U. S. Department of the Interior 

Bureau of Land Management 

Alaska State Office 

222 West 7th Avenue, #13 

Anchorage, Alaska 99513 

BLM~Alaska Open File Report 83 

BLM/ AK/ST ~O 1 /002+3090+933 

October 2000 

Mineral Investigations in the Stikine Area, 

Central Southeast Alaska, 1997-1998 

Peter E. Bittenbentier 

Jan C. Still 

Mitchell E. McDonald, Jr. 

Edward C. Gensler 
Authors 

Peter E. Bittenbender is a geologist in the Division of Lands, Minerals, and Resources, working 

for the Juneau Mineral Information Center, Bureau of Land Management, Juneau, Alaska. 

Jan C. Still is a mining engineer in the Division of Lands, Minerals, and Resources, working for 

the Juneau Mineral Information Center, Bureau of Land Management, Juneau, Alaska. 

Mitchell E. McDonald, Jr. is a geologist currently working for the Department of Transportation, 

State of Alaska, in Juneau, Alaska. 

Edward G. Gensler is an environmental engineer in the Division of Lands, Minerals, and 

Resources, working for the Juneau Mineral Information Center, Bureau of Land Management, 

Juneau, Alaska. 

Cover Photograph 

Sampling iron-stained rock in a roof pendent of the Coast Mountains Batholith, Stikine Area, 

central Southeast Alaska. · 

Open File Reports 

Open file reports present the results of inventories or other investigations published outside the 

formal BLM-Alaska technical publication series. These reports can include preliminary or 

incomplete data and are not published and distributed in quantity. Copies of this report may be 

obtained from the Juneau Minerals Information Center at 100 Savikko Rd., Mayflower Island, 

Douglas, AK 99824, by calling (907) 364-1553, or oy faxing (907) 364-1574. Related 

publications are listed on the Internet at http://juneau.ak.blm.gov. 

Copies are also available for inspection at the Alaska Resources Library and Information 

Services in Anchorage, at various libraries of the University of Alaska, at other Federal and State 

agencies in Alaska, at the USDI Natural Resource Library in Washington, D.C., and at the BLM 

Service Center Library in Denver. 

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Mineral Investigations 

in the Stikine Area, 

Central Southeast Alaska, 1997-1998 

Peter E. Bittenbender 

Jan C. Still 

Mitchell E. McDonald, Jr 

Edward C. Gensler 

BLM-Alaska Open File Report 83 

October 2000 

U. S. Department of the Interior 

Bureau of Land Management 
l 
TABLE OF CONTENTS 

Abstract ..................................................................... 1 

Acknowledgments ............ .' ................................................ 2 

Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 

Location, Access, Land Status .................................................... 4 

General Geology and Deposit Types ............................................... 8 

Prospects in the Stikine Area ........................ · ............................ 13 

KillU ISLAND ........................................................... 15 

Allied Mine Group E ........ · ............................................ 16 

Cornwallis Peninsula .................................................... 17 

Keku Islet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 

Little Creek ........................................................... 21 

Kuiu Lead-Zinc ........................................................ 22 

Katherine ............................................................. 25 

Saginaw Bay ........................................................... 27 

Hungerford ............................................................. 28 

Com ................................................................. 31 

Saginaw Bay Barite .............................. · ..................... , . 33 

Kadake Bay ........................................................... 34 

Kuiu .......................................................... _. ...... 35 

Point Saint Albans ...................................................... 36 

KUPREANOF ISLAND ................................. · ................... 39 

Pinta Point . . . . . . . . . . . . . . . . . . . . . . . . ... : . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 40 

Kake Area Road System ................................................. 42 

Gunnuk Creek ......................................................... 44 

Kane Peak ........................................ · .................... 45 

Portage Bay Pit ......................................................... 4 7 

Northern Copper ....................................................... 49 

Towers Creek .......................................................... 53 

Salt Chuck ............................................................ 54 

Portage Creek .......................................................... 56 

Taylor Creek .......................................................... 58 

Indian Point ............................................................ 60 

West Duncan .......................................................... 61 

Kupreanof Pyrite ....................................................... 62 

Castle Island Mine ...................................................... 64 

East Duncan Pyrite ...................................................... 66 

Spruce Creek ................................................... · ....... 68 

Ni cirque .............................................................. 70 

Southwest Duncan ...................................................... 71 

TB .................................................................. 72 

Monongehela .......................................................... 73 
WOEWODSKI ISLAND .................................................... 75 

Scott ................................................................. 79 

Lost Show ............................................................ 81 

Helen S Mine ................................................ .' ......... 83 

Harvey Creek ........................................................... 86 

Maid of Mexico Mine ................................................... 87 

East of Harvey Lake ..................................................... 89 

Mad Dog 2 ............................................................ 90 

Fortune ............................................................... 91 

Hattie ................................................................ 92 

Brushy Creek .......................................................... 94 

MITKOF ISLAND ......................................................... 95 

Freel & Durham ........................................................ 96 

Road Show ............................................................ 97 

Mitkof Island, FS Rd 6245 ................................................ 98 

ZAREMBO ISLAND ....................................... .- ............... 99 

Zarembo Island, FS Rd 52009 ............................................ 100 

Frenchie ............................................................. 101 

Zarembo Island Homblendite ............................................ 103 

Lost Zarembo ......................................................... 104 

Zarembo Island Fluorite ................................................. 105 

ZF ................................................ · .................. 106 

Round Point ....................................................... ~ .. 107 

WORONKOFSKI ISLAND ................................................. 109 

Exchange ............................................................ 110 

Sunrise .............................................................. 111 

ETOLIN ISLAND ........................................................ 113 

Steamer Bay .......................................................... 114 c A 

WRANGELL ISLAND AND NEARBY ISLANDS .............................. 115 

Wrangell Airport Pit ......................... · .......................... 116 

Salamander Creek Pit ................................................... 117 

Bruiser .............................................................. 118 

. Niblack Island ........................................................ 119 

MAINLAND ............................................................ 121 

K & D Mine .......................................................... 123 

Sun ................................................................. 125 

The Islander .......................................................... 126 

Cascade Mine ..................................... · .................... 128 

Buck Bar .................................. . · ... : ....... ..... · ......... 130 

Andrew Creek ........................................................ 13 2 

Groundhog Basin Area .................................................. 135 

North Silver ....................................................... 136 

Northeast Cliffs .................................................... 142 

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AMAX Molybdenum ................................................ 144 

Groundhog Basin ................................................... 146 

South Silver ....................................................... 150 

Copper Zone ....................................................... 152 

North Marsha Peak ................................................. 154 

East Marsha Peak ................................................... 156 

Nelson Glacier ..................................................... 160 

Huff ............................................................. 163 

West Nelson Glacier ................................................ 166 

Glacier Basin ...................................................... 168 

Lake ............................................................. 171 

Berg Basin ........................................................ 173 

Copper King ...................... _ ................................. 17 5 

Berg ................................................................ 177 

Black Crag ........................................................... 178 

Craig River Area ...... · ................................................ 179 

Craig Claims Area ..................................................... 181 

North Bradfield River Skam ............................................. 183 

Mt. Lewis Cass ........................................................ 185 

Upper Marten Lake .................................................... 186 

Bradfield River ........................................................ 188 

Summary ................... _ ........................................ : ....... 189 

References . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ·. . . . . . . . . . . . . . . . . . . . 191 

Appendix A - Analytical Results ................................................ 205 

Sampling and Analytical Procedures .......................................... 205 

Sampling methods ..................................................... 205 

Minimum Detection Limits by Analytical Technique ............................. 206 

Fire assay methods ..................................................... 206 

X-ray fluorescence spectroscopy (XRF) ................................ _ .... 206 

Instrumental neutron activation analysis .................................... 207 

Atomic abs~rption spectrophotometry (AA) ................................. 207 

Inductively coupled argon plasma (ICP) spectroscopy ......................... 207 

Analytical Results for Samples from Mines, Prospects, and Mineral Occurrences and from 

Reconnaissance Investigations ........................................... 208 

Units of measure ...................................................... 208 

Abbreviations ......................................................... 208 

Table A-1. Analytical results for samples from mines, prospects, and mineral occurrences 

· · · · · · · · · · · · · · · · · · · · · · · - · · · · · · · · .................................... 211 

Table A-2. Analytical results for reconnaissance investigation samples ....... · ....... 247 

Table A-3. Analytical results for rare earth element samples ....................... 257 

Appendix B - Lists of Mines, Prospects, and Mineral Occurrences ..................... 259 

Table B-1. Alphabetical list ................................................ 259 

Table B-2. Latitudes and longitudes .......................................... 261 

iii 
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LIST OF ILLUSTRATIONS 

Figure 1 - Location map of the Stikine study area, central Southeast Alaska . · ............... 5 

Figure 2 - Tectonostratigraphic terranes and physiographic provinces in the Stikine area ...... 9 ! · 

Figure 3 - Map of Woewodski Island showing prospects and sample locations ............. 77 

Figure 4 - Map of the Groundhog Basin area showing prospects and sample locations ...... 137 

Plate 1 - Location map for samples collected from mines, prospects, and occurrences . in pocket 

Plate 2 - Location map for reconnaissance investigation samples . . . . . . . . . . . . . . . . . . in pocket 

iv i 

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ABSTRACT 

The U.S. Department of the Interior, Bureau of Land Management (BLM) is conducting a 4-year 

mineral resource assessment of the Stikine area in central Southeast Alaska that began in 1997. 

The 5.7 million-acre study area encompasses the mainland bordering Frederick Sound and 

Kupreanof, Kuiu, Zarembo, Wrangell, Etolin, and nearby islands. The study area covers the 

Stikine Mining District and additional lands not included in adjacent mining district studies. As 

the main land manager in the area, the U.S. Department of Agriculture, Forest Service, requested 

that the BLM assess the mineral potential in the Stikine area for the purpose of generating 

information that will aid the agency in future judgements regarding land management. 

This report details information gathered during the 1997 and 1998 field seasons. Subsequent 

reports will include results from the years 1999 and 2000. Descriptions and assessments of over 

90 mines, prospects, and anomalous mineral occurrences are included herein. 

The Stikine area hosts a variety of mineral deposit types, including volcanogenic massive sulfide 

(VMS), replacement, polymetallic vein, vein gold, skarn, porphyry molybdenum, magmatic 

segregation, and veins of barite. In addition, there are minor deposits of placer gold, uranium, 

and coal. The Castle Island Mine produced 787,000 tons of barite between 1966 and 1980 

(Carnes, 1980). Minor gold production came from the Maid of Mexico (Chapin, 1918) and Helen 

S (Wright and Wright, 1908) mines in the early part of the twentieth century, and from the 

Cascade Mine in 1948 (U.S. Bureau of Mines, Mine Production Records). 

The Duncan Canal-Zarembo Island-Etolin Island, Groundhog Basin, and Cornwallis Peninsula 

areas have the most significant mineral potential in the study area. There are 18 sites with known 

or suspected VMS mineralization along Duncan Canal, and on Woewodski and Zarembo islands. 

These occurrences share Triassic host rocks of the Alexander terrane with deposits of known 

significance to the north, the Greens Creek Mine on Admiralty Island and the massive Windy 

Craggy deposit in northwestern British Columbia. 

Thirteen prospects containing replacement and polymetallic vein mineralization occur in the 

Groundhog Basin area on the mainland near Wrangell. There is also some potential in that area 

for porphyry molybdenum deposits, in addition to the zones of silver, lead, and zinc that have 

encouraged significant exploration over the years. 

The Cornwallis Peninsula, on the northern end of Kuiu Island, is host to several small deposits of 

barite and witherite, and there are two well-known deposits of lead and zinc. As presently 

understood, these occurrences are small and discontinuous, but share the same Triassic Alexander 

terrane host rocks as the VMS deposits in the area. 

1 
Acknowledgments 

The authors would like to thank the people who graciously shared minerals 

information from the Stikine area. These include Dr. Phil Beardslee, Paul Piper, 

Ken Eichner, and Cliff Taylor. We are grateful for the historic and current mineral 

exploration industry information that Cyprus Amax Minerals and Boliden, Inc., 

shared with us. We thank numerous personnel from the Forest Services's 

Wrangell and Petersburg Ranger Districts for the information and logistical 

support they provided. Thanks go to the helicopter and charter boat services of 

Temsco Helicopters, Alpine Helicopters, and Gary Mc Williams and the M/V 

Hyak. The figures in this report were created by Shirley Mercer, BLM 

Information Specialist, Juneau, Alaska. We are also grateful to Shirley for the 

support she provided in the field. 

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INTRODUCTION 

This interim report contains information generated in the first two years of an on-going, 4-year 

mineral assessment being conducted by the U.S. Department of the Interior, Bureau of Land 

Management (BLM). The mineral potential within the Stikine area of central Southeast Alaska is 

the focus of this study (Figure 1 ). 

Under Section 1010 of the Alaska National Interest Lands Conservation Act, 1980, the BLM is 

responsible for assessing the mineral potential of Federal lands throughout Alaska. This study is 

being done in accordance with Section 1010 at the request of the U.S. Department of Agriculture, 

Forest Service. Information gained from the assessment is of primary importance to that agency. 

As the major land manager in the area, the Forest Service requires a thorough understanding of 

the mineral endowment and its development potential in order to accomplish the agency's 

multiple-use management objective. 

The BLM intends to define the mineral potential of the Stikine area by: 

1. Identifying the number, type, and distribution of mineral deposits. 

2. Determining resource estimates whenever possible. 

3. Conducting economic feasibility studies for selected deposits. 

4. Addressing land use and resource issues related to mining activity. 

To accomplish this, BLM personnel began locating, sampling, surveying, and mapping mineral 

deposits at historic mines and prospects, in addition to performing reconnaissance investigations 

to identify new resources. 

Preliminary results of field work done in 1997 were published in 1998 (McDonald and others, 

1998). This interim report contains information gathered during both the 1997 and 1998 field 

seasons and includes individual property descriptions. A subsequent comprehensive report is 

scheduled for release in 2001, which will include results from the years 1999 and 2000, as well as 

prospect maps. 

More than 90 mines, prospects, and mineral occurrences are individually described herein, with 

sections on the location and access, history, and mineral assessment of each. These site 

descriptions are organized within the text according to their locations--beginning in the west with 

those on the most outboard islands within the study area and moving eastward to include those 

found on the mainland (Plate 1). Appendix B provides the latitude and longitude of each site and 

is organized by map number as shown on Plate 1. Appendix B also lists all the sites 

alphabetically. Further delineations in the Appendices include analytical results for rock and 

stream sediment samples presented in Appendix A. These are then subdivided into two tables: 

3 
Table A-1 contains results from samples taken from known mines, prospects, and mineral 

occurrences; and Table A-2 contains results of reconnaissance investigation samples. 

The area under examination encompasses a variety of mineral deposit types, including 

volcanogenic massive sulfide (VMS), replacement, polymetallic vein, vein gold, skarn, porphyry ( · 

molybdenum, magmatic segregation, and veins of barite. In addition, there are minor deposits of i 

placer gold, uranium, and coal. 

There has only been limited mineral production from the Stikine area. The major producer, the 

Castle Island Mine, produced 787,000 tons of barite between 1966 and 1980 (Carnes, 1980). The 

Maid of Mexico and Helen S mines on W oewodski Island apparently produced minor amounts of 

gold between about 1902 and 1933, but specific production numbers are unknown (Chapin, 1918; 

Wright and Wright, 1908). The Cascade Mine on Thomas Bay made a small test shipment of 

gold-bearing ore in 1948 (U.S. Bureau of Mines, Mine Production Records). 

In an effort to better assess the mineral potential of the study area, an airborne geophysical survey 

was carried out under a joint agreement between the BLM, Alaska Division of Geological and 

Geophysical Surveys (ADGGS) and the City of Wrangell. The U.S. Geological Survey (USGS) 

contributed to the project with the publication of 1 :63,360-scale geological maps (Brew, 

1997a-m) and the re-analysis of existing geochemical samples (Smith, 1998). Additionally, the 

USGS has completed geologic mapping (Karl and others, 1999), structural analysis (Haeussler 

and others, in press), predictive geophysical modeling (McCafferty and others, in press), and 

detailed, ground-based geophysical follow-up (Wynn and others, in press). 

The geophysical survey covers a belt of Triassic rocks that crops out on Kupreanof Island (along 

Duncan Canal), on Woewodski and Zaremba Islands, and on western Etolin Island that is of 

significant interest. These Triassic rocks have been correlated with those that host the VMS 

deposits to the north at the Greens Creek Mine on Admiralty Island and at the world-class Windy 

Craggy deposit in northwestern British Columbia, Canada. The extent of this Triassic belt within 

the Stikine area is better defined as a result of the geophysical survey. 

The Groundhog Basin area (Figure 4) is also included in the geophysical survey because it hosts 

numerous replacement and polymetallic vein deposits. In addition, there is some potential for 

porphyry molybdenum. High silver, lead, and zinc values along significant strike lengths have 

encouraged exploration by many private companies and individuals over the years; however, no 

production has come from the Groundhog Basin area. 

LOCATION, ACCESS, LAND STATUS 

The Southeast region of Alaska stretches 560 miles from south of Ketchikan to Icy Bay northwest 

of Yakutat. The lands involved in this mineral assessment are located in central Southeast Alaska 

and are referred to here as the Stikine study area (Figure 1 ). "Stikine" is derived from a Tlingit 

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1 :63,360 Quadrangle grid 

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Figure 1. - Location map of the Stiki ne area, Central Southeast Alaska 

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name meaning "Great River." The Stikine River, the mouth of which is in the study area, is an 

historically important transportation route from the coast, through the Coast Mountains to the 

interior. Encompassing 5.7 million acres, the Stikine study area extends throughout all of the 

Forest Service's Petersburg and Wrangell Ranger Districts and parts of the Juneau and Thome 

Bay Ranger Districts. It includes the Kupreanof and most of the Petersburg historic mining 

districts (Ransome and Kerns, 1954). From east to west, it stretches from the U.S.-Canadian 

border to the outboard islands of the Alexander Archipelago-including the islands of Wrangell, 

Etolin, Zarembo, Mitkof, Kupreanof, Kuiu, and Coronation, as well as the interspersed smaller 

islets. From north to south, it stretches approximately 100 miles on the mainland, from its 

northern boundary at the head of Endicott Ann, south to Bradfield Canal. 

The geography of the Stikine area is diverse. To the east on the mainland, peaks reach altitudes 

of 10,000 feet. Ice fields and alpine glaciers predominate; the LeConte Glacier is the 

southernmost in North America to flow directly into salt water. Although the topography of the 

islands is· generally subdued compared to elsewhere in southeastern Alaska (much of Kupreanof 

Island consists of extensive, flat, low-lying regions), peaks do reach altitudes of approximately 

3,700 feet on both Kupreanof and Etolin Islands. The entire study area was glaciated in the 

geologically recent past. 

. Southeast Alaska is famous for its lush rainforest. The islands of the Alexander Archipelago are 

typical of this rainforest Vegetation includes muskegs in poorly drained areas and.thick conifer 

forests of primarily western hemlock, Sitka spruce, and scattered red and yellow cedar. The tree 

line is variable, but is generally found around an altitude of2,000 to 2,500 feet. 

The towns of Petersburg and Wrangell have the largest populations in the area-approximately ~ 

3,600 and 3,100 respectively. Each is served by daily scheduled jet service from the major 

Southeast cities of Juneau and Ketchikan (connecting to Seattle), scheduled Alaska Marine 

Highway System ferries, commercial barge companies, and local chartered air service. Smaller air 

taxi services also provide access between Petersburg and Wrangell, along with scheduled daily 

flights to other southeastern Alaska communities and charter services to remote areas. Helicopter 

service is available from Petersburg and on a prearranged basis from elsewhere in the study area. 

The two municipalities are the main supply centers in the area. Lodging is available from 

numerous establishments. Car rental is also available to access the network of roads extending 

from both cities. There are approximately 200 miles of roads extending from Petersburg and 140 

from Wrangell; these include municipal, state, and Forest Service roads, both paved and unpaved. 

Kake (population: 700) is located on western Kupreanof Island approximately 40 miles northwest 

of Petersburg. It is served daily by scheduled flights from air taxi services and twice weekly by 

scheduled state ferry and barge service. Overnight accommodations are available. Car rental is 

negotiable. Generally to the north and east of Kake, an extensive logging road network includes 

Forest Service and Kake Tribal Corporation roads (the area's Native village corporation as 

established by the Alaska Native Claims Settlement Act of 1971). 

7 
The climate of the Stikine area is moderated by maritime influences; summers are cool and winters 

are mild. Snow is common during the winter and at higher elevations, but rain falls at all times of 

the year. Wrangell and Petersburg experience similar average temperatures-30.5°F in January 

and 58.1 °Fin July. The average annual rainfall is higher in Petersburg, at 110 inches per year, as 

opposed to 82.4 inches in Wrangell. Snowfall in Wrangell is 64 inches. About half of the 

precipitation in the area falls in October, November, and December (www.wrangell.com and 

www .petersburg.org/visitors/climate.html). 

About 90 percent of the land in the Stikine study area is managed by the Forest Service. Much of 

that land is open to mineral entry, however the Stikine-Leconte, Petersburg Creek-Duncan Salt 

Chuck, and Kuiu wilderness areas are closed to mineral development. Native lands are those that 

were withdrawn from mineral entry in 1971 by the Alaska-Native Claims Settlement Act for 

selection by the area's Native regional and village corporations. The Sealaska regional Native 

corporation holds the mineral rights to all Native lands. The largest block of Native land in the 

study area is on the northwest end of Kupreanof Island, owned by the Kake Tribal Corporation. 

State lands in the area are concentrated near the towns of Petersburg and Wrangell as well as near 

Cape Fanshaw, Thomas Bay, the south end of Mitkof Island, on the northeast side of Zimovia 

Strait, and at the head of Bradfield Canal. Small private land parcels and active mining claims are 

scattered throughout the study area. One should consult the Forest Service, BLM, or State of 

Alaska to get more precise information on the land status in the Stikine area before commencing 

mineral development activities. 

GENERAL GEOLOGY AND DEPOSIT TYPES 

Eight tectonic assemblages are present within the Stikine area (Figure 2). They represent a . 

diverse array of rock types ranging in age from Paleozoic to Holocene (Gehrels and Berg, 1994; 

Brew and others, 1984). The eight assemblages include five lithic and three tectonostratigraphic 

terranes. Some of the mineral deposits found in the Stikine area are restricted to certain tectonic 

assemblages. From west to east, the terranes are the Alexander, Taku, and Stikinia. The lithic 

assemblages include the Gravina Belt overlap sequence, metamorphic rocks within the Coast 

Range Batholith, plutonic rocks of the Coast Range Batholith, plutonic rocks west of the 

batholith, and Quaternary and Tertiary volcanic and sedimentary rocks. The assemblages 

generally form elongate, northwest-trending belts (Gehrels and Berg, 1994). 

Volcanogenic massive sulfide (VMS) deposits are the most significant in the Stikine area. They 

occur in Triassic rocks on the inboard margin of the Alexander terrane and are part of a 375-milelong belt that stretches the entire length of Southeast Alaska. The belt includes the Greens Creek 

deposit on northern Admiralty Island, about 100 miles to the northwest of the Stikine area, and 

the Windy Craggy deposit, about 250 miles to the northwest, in British Columbia, Canada. 

Within the Stikine area, the VMS deposits in the Alexander terrane extend along both sides of 

Duncan Canal on Kupreanof Island, south across Zaremba Island, and onto the western side of 

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Etolin Island. (See Plate 1 for geographic references.) They are hosted in volcanic and 

sedimentary rocks of the Hyd Group as mapped by Karl and others (1999). Triassic carbonates in 

the area contain replacement-type minerals that may also be related to the VMS deposits, e.g., the 

lead-zinc-barite deposits on-Cornwallis Peninsula on northern Kuiu Island (C.D. Taylor, oral 

commun., 1998). 

Two subterranes of the Alexander, known as the Craig and Admiralty, date from Paleozoic to 

Cenozoic and make up the western part of the Stikine area. These subterranes are interpreted as 

distinct crustal fragments only until Permian time; from that point, their depositional and tectonic 

histories appear similar (Gehrels and Berg, 1994). Triassic VMS and related deposits in the 

Stikine area are, therefore, not affected by the distinction in the subterranes. 

Rocks of the Jurassic to Cretaceous Gravina Be~t overlie the eastern margin of the Alexander 

terrane. In light of information generated by the recent airborne geophysical survey, work by Karl 

and others (1999) suggests that the Gravina Belt rocks do not extend as far to the west on 

Kupreanof Island as earlier maps have depicted. This means that the Alexander terrane is exposed 

farther to the east than previously thought, and therefore the potential for Triassic VMS deposits 

is also extended eastward. 

Within the study area, the Taku terrane is exposed to the east of the Gravina Belt and consists of 

deformed and metamorphosed rocks of pre-Permian(?) to Late Triassic age (Gehrels and Berg, 

1994). To the southwest, Taku rocks ~e thrust over the Gravina Belt. To the northeast, they 

have been intruded by the Coast Range Batholith, and the terrane boundary has been obscured. 

Metamorphic pendants and inliers in the batholith are indistinguishable from Taku terrane rocks to 

the west (Gehrels and Berg, 1994). Although the mineralized rocks of Groundhog Basin are 

hosted in the Taku terrane, they are secondary deposits related to the much later intrusion of 

rocks of the Coast Range Batholith (Newberry and Brew, 1989). 

The Coast Range Batholith makes up the eastern side of the Stikine study area. It consists mainly 

of two belts of plutonic rocks: the Great Tonalite Sill Belt (L. Cretaceous to Early Eocene) and 

the Coast Mountains Belt (Early Eocene to Middle Eocene) (Brew and Morrell, 1983; Brew, 

1994). Younger plutons (Late Oligocene to Miocene) are also found within the batholith, 

specifically around Groundhog Basin and in the Cone Mountain area (Brew, 1994). Mineral 

occurrences in the batholith include polyrnetallic skarn deposits and small, structure-controlled 

polymetallic veins. The area also holds the potential for resources of porphyry molybdenum, 

uranium, and rare-earth elements. 

Rocks of the Stikinia terrane are mapped in only a few places within the study area (Gehrels and 

Berg, 1994). However, the terrane hosts numerous mineral deposits in Canada-of particular 

interest are the precious-metal deposits of the Iskut Camp and the precious- and base-metal-rich 

deposits to the south in the Stewart Mining Camp. The potential exists for related deposits in the 

S ti kine area. 

11 
Cenozoic rocks west of the Coast Range Batholith are found in a belt of Late Oligocene to 

Miocene plutons that extends the length of Southeast Alaska (Brew, 1994). As it appears in the 

study area, it is referred to as the Kuiu-Etolin Volcanic-Plutonic Belt and mainly consists of 

granitic rocks with some diorites to gabbros. It is exposed on northern Kuiu Island, southwestern 

Kupreanof Island, Zarembo Island, and Etolin Island (Brew and Morrell, 1983; Brew and others, 

1984). 

Tertiary volcanic rocks in the study area are related to the intrusives of the Kuiu-Etolin VolcanicPlutonic Belt. They are made up of basalt and andesite flows~ rhyolite flows and tuffs; and 

volcanic breccias (Brew and others, 1984). A field of Holocene volcanics of mainly olivine basalt 

lies on southern Kupreanof Island (Brew, 1994). Although color anomalies in the young 

volcanics attracted the attention of investigators, no significant deposits have been found to date. 

Analysis of geochemical samples from the area has revealed the potential for rare-earth elements 

(Smith, 1998). 

12 

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PROSPECTS IN THE STIKINE AREA 

(PLATE 1) 

13 
14 

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i 

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KUIUISLAND 

Property name ................ Plate 1, Map no. 

Allied Mine Group E . . . . . . . . . . . . . . . . . . . . . . . . 1 

Cornwallis Peninsula . . . . . . . . . . . . . . . . . . . 2.1-2.4 

Keku Islet· . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 

Little Creek . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 

Kuiu Lead-Zinc ....................... 5.1-5.2 

Katherine ............................ 6.1-6.2 

Saginaw Bay .............................. 7 

Hungerford . . . . . . . . . . . . . . . . . . . . . . . . . . 8.1-8.2 

Com ..................................... 9 

Saginaw Bay Barite ........................ 10 

Kadake Bay . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 

Kuiu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12.1-12.4 

Point Saint Albans ................... 13.1-13.3 

15 
ALLIED MINE GROUPE 

(Plate 1, Map no. 1) 

Location/ Access 

The Allied Mine Group Eis located on northwest Kuiu Island at the mouth of Saginaw Bay. It 

lies 14 miles from Kake. Barite veins are exposed along a rocky, wave-worn point on the 

southwest side of the bay near the high-tide line. The site can be reached by boat, float plane, or 

helicopter during low tide. 

History 

The Allied Mine Group E was originally staked for barite in 1955 by Roy and Rachel Strong 

(Alaska Kardex, 1982). No development work or additional activity is reported. 

Mineral Assessment 

The deposit lies within a narrow exposure of Silurian or Devonian volcanic breccia (Muffler, 

1967). A few pillow structures are also distinguishable in the volcanics. The barite is present as 

a series of pods and irregular veins that strike 000° to 033° and dip 40° to 46° to the southeast. 

Veins range in width from 0.1 to 1.4 feet and in length from a few feet to 80 feet. The barite is 

pinkish white, fine- to coarse-grained, and is commonly found in association with carbonate 

minerals, which may include witherite. No sulfides were found associated with this deposit. 

Field relations show the barite veins are crosscut by younger faults in the volcanics. 

ELM personnel took three samples of different barite veins cropping out intermittently across the 

prope11y (Map no. 1, samples 9604-06). In each sample, the barium values were greater than 

2.0 percent. 

Conclusions 

This site is characterized by nan-ow, discontinuous, and scattered veins of barite in subeconomic 

concentrations. No attempt was made to trace these veins inland due to the extensive cover. 

16 

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CORNWALLIS PENINSULA 

(Plate 1, Map nos. 2.1-2.4) 

Location/ Access 

The Cornwallis Peninsula occurrence includes approximately 2 miles of beach on the northeast 

shore of Kuiu Island, approximately 10 miles southwest of Kake. The beach is a broad expanse of 

gravels and outcrop exposed during low tide. Access to this area is via boat, float plane, or 

helicopter at low tide. 

History 

Barite, witherite, and calcite were first discovered at this site by Hungerford, who staked three 

claims in 1923. Additional claims were staked by Barrows later in 1923 (Buddington, 1925); 

George Comstock, in 1931; and Jack Whitfield, Lueria Jordan, and Pete Hooper, in 1949 (Alaska 

Kardex, 1982). No development work has been reported. 

Mineral Assessment 

The Cornwallis Peninsula occurrence is hosted almost entirely within the Triassic Keku Volcanics. 

However, at the northwestern edge, the Keku Volcanics are in contact with the overlying Triassic 

Cornwallis Limestone (Muffler, 1967). Fracture-filling veins of barite and witherite, as well as 

fine-grained, disseminated pyrite, sphalerite, and a trace of chalcopyrite make up the occurrence. 

Barite stringers and veins occur in felsic volcanics, volcanic breccia, and limestone. The stringers 

and veins trend generally northwest to northeast with steep to near-vertical dips. Veins vary in 

width from 0.1 to 2.3 feet and can be traced along strike for up to 200 feet. A 2-foot-wide barite 

vein, hosted in felsic volcanics and traceable for approximately 200 feet, contained greater than 

2.0 percent barium (Map no. 2.3, sample 155). A 300-foot-wide zone of barite stringers and 

veins is hosted in limestone, conglomerate, and fossiliferous mudstone. A sample of a 2.3-footwide vein in this zone contained 44.46 percent barium (Map no. 2.3, sample 9612). 

Disseminated pyrite, sphalerite, and chalcopyrite are contained in conglomerate and iron-stained 

volcanics. A sample from a conglomerate with disseminated sulfides in the matrix contained 

660 ppm copper and 553 ppm zinc (Map no. 2.3, sample 156). A sample of iron-stained 

volcanics with disseminated sphalerite and pyrite contained 8,382 ppm zinc (Map no. 2.2, 

sample 167). 

While investigating the southwest shoreline of one of the islets just offshore of the main deposit, 

BLM personnel observed disseminated pyrite, sphalerite, and galena in a Carboniferous crinoidal 

limestone (Muffler, 1967). A sample from this location contained 2.0 percent zinc and 660 ppm 

lead (Map no. 2.4, sample 9611). 

17 
Conclusion 

This occurrence is characterized by scattered veins and stringers of barite and low-grade, 

disseminated sulfides-including sphalerite, plus minor chalcopyrite and galena. The low grades 

and scattered character of the mineralization at Cornwallis Peninsula do not encourage 

exploration. 

18 
KEKUISLET 

(Plate 1, Map nos. 3.1-3.3) 

Location/ Access 

The Keku Islet occurrence lies less than a mile offshore of Kuiu Island, on one of the many islets 

that dot Keku Strait. It is 7 .5 miles southwest of Kake. The deposit is located along the 

northwest shoreline of the island and is covered at high tide. Access to the island is best 

accomplished by boat or float plane. Helicopter access is possible during low tide. 

History 

The zinc occurrence at Keku Islet was first described by Buddington(1925) during a visit to the 

area in 1923. The Bureau of Mines examined the property in 1949. At that time, three claims 

were held by Jack Whitfield, Lueria Jordan, and Pete Hooper called the Spallright 1, 2, and 3. 

The Bureau of Mines concluded that the quantity of mineralized rock was insufficient to warrant 

further development (Jermain and Rutledge, 1949). 

Mineral Assessment 

The larger island of the Keku Islands has been mapped as Permian Halleck Formation that has 

been intruded by numerous gabbro dikes (Muffler, 1967). The country rock can be divided into 

three major types: a tan, well-bedded, bioturbated (scattered burrows) limestone that strikes 010° 

to 050° and dips between 18° and 20° to the southeast; a thinly interbedded sandstone and 

·· mudstone; and a poorly sorted, pebble conglomerate. These units are cut by a system of 

subparallel, Triassic or Tertiary mafic dikes that strike 286° to 292° and dip 81 ° to 84° to the 

northeast. The dikes are aphanitic, black to mottled brown, and have altered, tan margins. 

The Keku Islet occurrence is associated with one of the mafic dikes, which is cut at nearly right 

angles by several small veinlets of sphalerite to form ladder veins. The dike extends 240 feet from 

tide water across the intertidal zone to vegetative cover and has an average width of 10 feet. The 

sphalerite veinlets range from 0.1 to 2.0 inches in width and strike 005° to 030° with nearly 

vertical dips. A few sphalerite veinlets also trend parallel to the dike. Pyrite is associated with 

some of the sphalerite veinlets. Calcite veinlets also crosscut the dikes. 

BLM personnel mapped and sampled the two most heavily mineralized outcrops of the ladderveined dike. They took six continuous chip samples across several sphalerite veinlets cutting the 

dike (Map no. 3.1, samples 161, 9617-21). All the samples contained high zinc and most had 

anomalous amounts of tungsten. Zinc values ranged from 7,773 ppm to 13.6 percent and 

tungsten values from less than 20 to 149 ppm. The tungsten values are directly proportional to 

zinc values in all six samples. However, in samples with zinc concentrations over 1.0 percent, 

analytical interference will cause tungsten values to be enhanced. 

Field personnel mapped and sampled another similarly mineralized dike approximately 0.75 miles 

(straight-line distance) southeast of the one at the Keku Islet deposit. Discontinuous outcrops of 

the dike extend northwest along the beach for approximately 350 feet with an average width of 8 

19 
feet. Investigators collected five continuous chip samples at different points along the dike (Map 

no. 3.3, samples 162-166). All samples contained high zinc values and anomalous tungsten 

values. Zinc values ranged from 6.1 to 31.2 percent; and tungsten, from 58 to 254 ppm. Again, it 

is important to note that zinc values greater than 1.0 percent will enhance tungsten values. 

Conclusions 

Sphalerite mineralization at the Keku Islet deposit is characterized by fracture-filling veins in 

mafic dikes. These very small, widely spaced veinlets are found in a small percentage of the dikes 

on the island. The zinc values across the dikes range from 7,773 ppm to 13.5 percent. Each of 

the samples collected showed anomalous tungsten values, which are possibly lab artifacts caused 

by high zinc values. The limited extent of mineralized veinlets at the Keku Islet deposit 

discourages further exploration. 

20 

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LITTLE CREEK 

(Plate 1, Map no. 4) 

Location/ Access 

The Little Creek deposit is located on the north shore of Cornwallis Peninsula on Kuiu Island, 8.5 

miles southwest of Kake. Reports indicate it lies approximately 0.25 miles inland, at an elevation 

of 200 feet (Buteau of Land Management, MAS). Access to this area is via boat, float plane, or 

helicopter to the beach and then overland by foot. The occurrence is on land that was withdrawn 

from mineral entry in 1971 by the Alaska Native Claims Settlement Act for selection by the 

Sealaska and. Kake Tribal Corporations (the area's Native regional and village corporations) and 

is currently listed as interim conveyed, pending patent. 

History 

Little Creek was staked in 1969 by G. Fennimore, H.W. Coleman, A.J. Tanner, and L. Strong. 

It consists of only one claim, listed as a lode gold deposit. There has been no activity recorded 

since the original staking (Alaska Kardex, 1982). 

Mineral Assessment 

The Little Creek area consists of Triassic Keku Volcanics (Muffler, 1967). Limited outcrop 

appears to be mostly rhyolite flows with scattered jasper veinlets. Above an elevation of 180 

feet, the country rock is more altered and outcrops of coarse volcanic breccia are present. . . 

Because little information about this property exists, mineralized targets are poorly defined. 

BLM personnel collected two samples along a very small creek, presumably Little Creek, which 

ends in a 10-foot-high waterfall at the beach. A stream sediment sample contained 401 ppm lead 

and 176 ppm barium (Map no. 4, sample 159). This lead value corroborates an anomalous lead 

value previously reported by Cathrall and others (1983) of 300 ppm. A sample of altered 

volcanics contained 1,359 ppm barium (Map no. 4, sample 160). 

Conclusions 

Although the Little Creek area was originally staked for gold, only trace amounts of gold were 

obtained from a stream sediment sample taken in the vicinity of the deposit. However, anomalous 

lead values were obtained. Altered rhyolites contain veinlets of jasper along with barium and 

traces of zinc. Continued exploration might reveal more limestone, which could be the host for 

replacement deposits similar to those at the Kuiu Lead-Zinc prospect (Map nos. 5.1-5.2). 

21 
Location/ Access 

KUIU LEAD-ZINC 

(Plate 1, Map nos. 5.1-5.2) 

The Kuiu Lead-Zinc prospect is located along the northeastern shore of Cornwallis Peninsula, on 

the north end of Kuiu Island, 8 miles southwest of Kake. The workings are located approximately 

800 feet inland. They lie at an elevation of 80 feet, on the east bank of a small north-flowing 

stream. The area is thickly wooded, and the stream contains abundant dead fall. The topography 

is gently sloping from the beach to the workings, but steepens inland from there. The beach is 

accessible by boat, float plane, or helicopter at low tide. Travel inland is by foot along the creek. 

The deposit is on land that was withdrawn from mineral entry in 1971 by the Alaska Native 

Claims Settlement Act for selection by the Sealaska and Kake Tribal Corporations (the area's 

Native regional and village corporations) and is currently listed as interim conveyed, pending 

patent. 

History 

Mineralized rock was first discovered at the Kuiu Lead-Zinc prospect by Ted Hungerford prior to 

1937. By 1937 a group of 32 lode claims, called the Keku Group, had been staked by I.M. 

Holfsted, L. Dyrdahl, and H. Hawks (Roehm, 1937). Dyrdahl continued to hold these claims, 

with various partners, at least until 1951 (Williams, 1951 b ). 

·• Between 1937 and 1938, 150 to 200 tons of high-grade zinc and lead ore were removed from an 

opencut at the Kuiu Lead-Zinc prospect and piled in the creek approximately 600 feet inland from 

the beach (Roehm, 1938b ). This rock was reported by the owners to contain 4 to 18 percent 

zinc, 5 to 6 percent lead, trace to 0.07 oz/ton gold, and.0.6 to 5.9 oz/ton silver (Thome 1948). 

However, channel samples taken from the opencut by Roehm (1938b) contained only 0.18 to 0.29 

percent zinc across 5 feet. A select grab sample from the ore pile in the creek ran only 2.75 

percent zinc (Roehm, 1938b). The BLM found no reports of what was done with the stockpiled 

lead-zinc ore. 

A 55-foot adit, with a winze and 25-foot sublevel, was completed on the Kuiu Lead-Zinc prospect 

sometime prior to Roehm's visit in 1946. No specific information detailing who did the work or 

when it was done could be found. Reports indicate that the lead-zinc ore was not intersected in 

the workings. By 1946 the winze and sublevel were reportedly flooded (Roehm, 1946). 

The owners of the Kuiu Lead-Zinc prospect earned out a drilling program sometime around 

1946. The Alaska Territorial Department of Mines assisted this project with geologic mapping, 

logging drill core, and locating drill targets (Roehm, 1946). Approximately 14 diamond drill holes 

were completed, although the exact number and total feet is uncertain. No significant intercepts 

or resources were defined by the drilling program. 

22 

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(_ __ _ 
Mineral Assessment 

The Kuiu Lead-Zinc prospect is located in the Triassic Keku Volcanics (Muffler, 1967). A 

detailed geologic map of the prospect, produced by Roehm ( 1946), depicts a sequence of felsic 

lavas and agglomerates that are overlain by dolomitic limestone with localized replacement-type 

mineralized rock. The dolomitic limestone is, in tum, overlain by slightly mineralized 

agglomerates and capped by a unit of intermediate lavas. This rock package has been gently 

folded along a northwest to southeast fold axis and faulted (Roehm, 1946). 

The mineralized rock at the Kuiu Lead-Zinc prospect is hosted primarily by dolomitic limestone 

that is locally replaced by small irregular bodies and pods of sphalerite and galena. The original 

showing on the property was located approximately 600 feet inland on the south bank of the 

creek, apparently where the creek makes a sharp bend. This showing was mined out (Roehm, 

1938b) and not observed during the BLM's visit. However, a detailed petrographic examination 

of the ore revealed very fine-grained sphalerite in small, rounded masses. Galena was described 

as subordinate (Roehm, 1937). This irregular ore body was depicted as 30 feet long, 40 feet 

wide, and exposed along its dip for 200 feet (Roehm, 1938b). 

A small adit, driven into the dolomitic limestone, is located approximately 200 feet upstream from 

the original showing. No mineralization is intercepted by these upper workings, which confirms 

earlier reports (Roehm, 1946). The winze and sublevel are flooded. A surface cut, located on a 

steep face of the stream bank just upstream from the adit, does contain small pods of galena and 

sphalerite replacing dolomite. The pods. are irregularly spaced and 2 to 3 inches in scale. 

Conspicuous, black manganese oxide coats the outcrop. High-grade samples from this cut 

contained 313.6 ppm to 21.72 oz/ton silver, 10.31 to 20.54 percent lead, and 7.7 to 13.4 percent 

zinc (Map no. 5.2, samples 9578, 9615). 

A third exposure of mineralized dolomite was described in a small creek, parallel to and east of 

the original mined-out showing. Here a 15-foot width of dolomitic limestone with disseminated 

galena reportedly crops out in the creek bed, roughly on strike with the other two showings 

(Roehm, 1937). 

The BLM surveyed for radioactivity near the Kuiu Lead-Zinc workings using a hand-held 

scintillometer. Background readings are 60 counts per second, with readings inside the adit 

ranging between 100 and 150 counts per second. 

Conclusions 

Previously reported high lead and zinc values, as well as those obtained in this study, encourage 

additional investigation of the Kuiu Lead-Zinc prospect. Because of the irregular nature of the 

replacement-type mineralization and reports of minor mineralized areas in the vicinity, care should 

be taken to investigate all exposures of the dolomitic limestone; for instance, the small parallel 

stream to the east may have mineralized rock along strike from the adit. Sampling of the adit 

would be useful to verify whether minerals of interest are present, especially the very fine-grained 

sphalerite described by Roehm ( 1937), which might not show up readily in hand specimens. The 

23 
agglomerate units noted here should be compared to the green volcanic breccias seen at the 

Hungerford prospect (Map no. 81-8.2), located approximately 1.4 miles southeast along the 

beach. If th~ two units correlate, the potential exists for a replacement-type deposit structurally 

below the Hungerford prospect. 

24 

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KATHERINE 

(Plate 1, Map nos. 6.1-6.2) 

Location/ Access 

The Katherine occurrence is located on one of the Keku Islets off the northeastern end of Kuiu 

Island, approximately 7 miles southwest of Kake. The occurrence lies along the shoreline, on the 

northeast and northwest ends of the islet. These locations can be observed during low to medium 

tides. Access is via boat, float plane, or helicopter at low tide. 

History 

Discoveries of barite and witherite at this location were first discussed by Buddington (1925). He 

described fissure-filling veins of barite at the northeast end of the island. In 1949 Jack Whitfield, 

Lueria Jordan, and Pete Hooper staked the Acme No. 1 and No. 2 claims (Rutledge, 1949). The 

Acme No. 2 was staked over the discovery mentioned earlier by Buddington (1925). The Acme 

No. 1 was staked on a similar zone at the northwest end of the island. These were later restaked 

in 1953 as the Katherine claims (Alaska Kardex, 1982). The only reported development is a "test 

pit" at the Acme No.I claim (Rutledge, 1949). 

Mineral Assessment 

The island is made up of Silurian Kuiu Limestone, which has been locally faulted and intruded by 

gabbro dikes (Muffler, 1967). The limestone contains short veins, stringers, and small pods of 

barite and witherite. · 

At the northwest end of the island, BLM personnel sampled a barite stringer zone 1.5 feet wide, 

striking 338° and dipping 70° to 90° to the east (Map no. 6.1, sample 9613). The zone contains 

both irregular stringers and small pods of coarse-grained, bladed barite along with scattered 

sphalerite and galena. Sample 9613 contained 3.2 percent zinc, 2,355 ppm lead, and greater than 

2.0 percent barium. A large stringer of witherite, extending 46 feet and having a strike of 004 ° to 

025° and a dip of 75° to 85° to the. southeast, was reported by Twenhofel and others (1949) at 

this location. 

At the northeast end of the island, the limestone contains a zone of vuggy quartz veins and 

stringers, with drusy quartz lining the vugs. The zone is approximately 50 feet wide and extends 

50 feet to tide water. It contains stringers of barite and pyrite with trace galena and pods of 

massive pyrite up to 0.6 feet wide and 1.0 foot long. The orientations of the veins, stringers, and 

pods are highly variable. Two samples were collected at this location. Pods of barite with pyrite, 

oriented north-south, contained 1,602 ppm arsenic and 7,107 ppm barium (Map no. 6.2, sample 

9614). A sample of a pyrite lens contained 2,725 ppm arsenic and 8,498 ppm barium (Map no. 

6.2, sample 157). 

25 
Conclusions 

This deposit includes relatively wide zones of fissure-filling veins of barite and small, 

discontinuous sulfide lenses in limestone. Mineralized rock was observed at both the northwest 

and northeast ends of the island, but the relationship between the two locations is unknown. 

Additional exploration inland might reveal larger replacement-type occurrences; however, any 

potential resource would be constrained by the size of the islet. 

26 
Location/ Access 

SAGINAW BAY 

(Plate 1, Map no. 7) 

At one time, the Saginaw Bay prospect included a block of claims covering sections 24, 25, and 

36 of T. 57 S., R. 71 E. on the Port Alexander D-1 quadrangle. The block extended across the 

center of Cornwallis Peninsula on northern Kuiu Island, approximately 10 miles southwest of 

Kake. The occurrence can be reached by boat or helicopter, although on the north side of the 

peninsula, landing zones are scarce. 

History 

Between 1978 and 1979, Mapco Inc. staked 108 claims in the Saginaw Bay area and listed zinc 

and lead as target commodities (Bureau of Land Management, MAS). The company's drilling 

program was limited to one hole that was located in the west-central part of section 24, T. 57 S., 

R. 71 E. of the Port Alexander D-1 quadrangle (Hedderly-Smith, 1993 ). 

Mineral Assessment 

The Saginaw Bay prospect includes four stratigraphic units as mapped by Muffler (1967). The 

various rock types and orientations on the claim block are (1) Carboniferous crinoidal limestone, 

north-central; (2) the Permian Pybus Formation, southern; (3) the Triassic Keku volcanics, central 

(and structurally highest); and (4) the !riassic Cornwallis Limestone, extreme northwestern. 

BLM personnel investigated the Pybus Formation along a small creek at the southern end of the 

claim block. The creek is located adjacent to the ruins of an old cannery on the northeast shore of 

Saginaw Bay. Field personnel collected one stream sediment and two rock chip samples (Map no. 

7, samples 151-153). None of the these contained significant base- or precious-metal 

concentrations. The stream sediment sample, however, returned 1,079 ppm barium (Map no. 7, 

sample 153 ). 

Conclusions 

It is not known what the original discovery was at this prospect or what the drilling target was 

besides the general lead and zinc commodity description. However, it is possible that lead and 

zinc sulfides were found replacing limestones. If this could be verified, then the potential extent 

of these replacement minerals would stretch from this occurrence to the Hungerford (Map nos. 

8.1-8.2), approximately 3.8 miles to the southeast. 

27 
HUNGERFORD 

(Plate 1, Map nos. 8 .1-8 .2) 

Location/ Access 

The Hungerford prospect is located along the beach on the northeast side of Kuiu Island, 

approximately 7 .5 miles southwest of Kake. The occurrence extends inland from the beach along 

a medium-size creek, locally called Hungerford Creek, that flows to the northwest. The· shoreline 

southeast of the mouth of Hungerford Creek is steep, with bluffs adjacent to the intertidal zone. 

To the northwest, the shoreline is made up of moderately sloping gravel beaches. The area can be 

accessed by boat, float plane, or helicopter at low tide. This area was withdrawn from mineral 

entry in 1971 by the Alaska Native Claims Settlement Act for selection by Sealaska and Kake 

Tribal Corporation (the area's Native regional and village corporations) and is currently listed as 

interim conveyed, pending patent. 

History 

Mineralized rock at the Hungerford prospect was first discovered by E.S. 'Ted' Hungerford in 

1937 (Thome, 1948), and in 1938 he staked the Children group of claims, presumably at the 

location of his discovery the year before. These included six placer and two lode claims (Alaska 

Kardex, 1982). The lode claims were reported by Roehm (1938a) to contain mineralized 

dolomites and conglomerate and to extend 3,000 feet inland from the mouth of Hungerford 

Creek. The placer claims, also described by Roehm (1938a), covered the area between the coast 

and the first mountain ridge inland. These contained considerable amounts of manganese. There 

is no report of how long these claims were held. 

Conflicting reports indicate that in 1948 the Hungerford prospect was restaked. Thome (1950a) 

states that six claims, the Hope 1 to 6, were staked by F.M. Hungerford and D.M. Hungerford in 

July 1948. However, Thome (1948) also reports that E.S. Hungerford staked four claims in the 

same area-the White Hope, Bantam, Winner, and Heavyweight-in June of 1948. Regardless, by 

October 1948, the property was deeded to the Q-U Mining and Milling Co. by F.M. and D.M. 

Hungerford. Development on the property included a small cabin, several opencuts, blasting, and 

drilling (Thome, 1950a). 

At the request of the owner, the Bureau of Mines carried out a limited drilling program in January 

and February of 1949. The program consisted of drilling, sampling, and mapping the property 

and resulted in 982 total feet of diamond drilling in five holes (Thome, 1950b). 

Mineral Assessment · 

The Hungerford prospect is located in the Triassic Keku Volcanics, very near an inferred fault contact 

with the lower volcanic member of the Carboniferous Saginaw Bay Formation and Silurian Kuiu 

Limestone (Muffler, 1967). During its investigation of the property in 1949, detailed mapping by the 

Bureau of Mines delineated six distinct units and three d~fferent types of lead-zinc mineralization. These 

units include (1) a slightly mineralized, poorly sorted, green, white, and red conglomerate exposed in the 

28 

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bed of Hungerford Creek, (2) an interbedded basalt and metamorphosed shale, (3) a dolomitic limestone 

with replacement mineralization along fractures, (4) a graywacke, (5) a gray to green amygdaloidal 

basalt with disseminated galena and sphalerite, and (6) a massive basalt with galena in narrow veins of 

quartz and calcite (Thome, 1950a). These units seem to roughly correlate with those repqrted at the top 

of the Keku Volcanics by Muffler (1967). However, it should be noted that the unit mapped by the 

Bureau of Mines as a conglomerate appears to more closely resemble a sequence of green volcanics that 

has been fractured, with emplacement of pinkish barite, jasper, and disseminated galena in the fractures. 

At the Hungerford prospect, lead and zinc mineralization appears in amygdaloidal basalt as disseminated 

galena and sphalerite. This can be seen in outcrop along a small bluff approximately 100 to 200 feet 

southeast of the mouth of Hungerford Creek. A sample of very fine-grained, disseminated galena and 

sphalerite from this outcrop assayed 84.7 ppm silver, 2.23 percent lead, and 7,028 ppm zinc (Map no. 

8.2, sample 154). The Bureau of Mines drilling program defined this unit as the "ore body" and 

estimated a resource of " ... 63,000 tons of submarginal ore assaying 2.4 oz/ton silver, 1.35 percent lead, 

and 0.45 percent zinc" (Thome, 1950b, p.1 ). The mineralized rock delineated by the diamond drilling 

and eight surface channel samples has an approximate thickness of 78 to 93 feet, trends northwest to 

southeast along a strike length of 280 feet, and dips 34 ° to the northeast. This mineralized unit runs into 

Keku Strait, both along the strike to the northwest, and down dip to the northeast. · It is open along 

strike to the southeast, and similar mineralization was reported by F.M. Hungerford approximately 1,000 

feet to the southeast of the delineated deposit. The diamond drilling indicates that the grade of the 

mineralized rock tends to decrease with depth (Thome 1950a, 1950b). 

Galena and sphalerite also appear as a stockwork of veins within a very conspicuous unit of fractured 

green volcanics in the bed of Hungerford Creek. This unit was previously mapped as a conglomerate 

(Thorne, 1950a). The sulfides are disseminated in a gangue of barite and jasper. A sample from this 

location yielded 16.4 ppm silver, 5,625 ppm lead, 6,019 ppm zinc, and greater than 2.0 percent barite 

(Map no. 8.2, sample 158). A similar unit crops out along the beach 1,400 feet to the northwest and has 

been described in earlier reports as the Hungerford "beach deposit" (Thome 1950a). The outcrop 

displays textural evidence of open-space filling by pink barite and galena and subsequent brecciation. A 

sample from this outcrop contained 5.82 oz/ton silver, 2.84 percent lead, 2,228 ppm zinc, and 70 ppm 

barium (Map no. 8.1, sample 9577). Similarly mineralized rock was reportedly located on the beach 500 

feet to the southeast of Hungerford Creek (Thome 1950b ). 

Sphalerite and galena have also been reported to replace dolomite, where the dolomite is cut by fractures 

(Thome, 1948). Thome (1948) describes this replacement-type mineralization as cropping out in the 

"Bluff Deposit" located in the bluffs along the beach, presumably near the mouth of Hungerford creek. 

Conclusions 

Lead and zinc are found disseminated in amygdaloidal basalt, as fracture- and open-space-filling veins in 

volcanics and volcanic breccia, and as replacing dolomite where it is cut by fractures. A BLM sample of 

mineralized amygdaloidal basalt, though not representative of the ore body, compared well with the 

grades reported by the Bureau of Mines (Thome, 1950b ). Further investigation of this property is 

warranted to characterize the prospect more completely and attempt to better define the extent of the 

29 
mineralized rock to the southeast. Additionally, the sulfide replacement of dolomite at the "Bluff 

Deposit" should be looked at more carefully and compared to the sulfide replacement in dolomites at the 

Kuiu Lead-Zinc prospect (Map nos. 5.1-5.2) located approximately 1.4 miles to the northwest. 

30 
Location/ Access 

CORN 

(Plate 1, Map no. 9) 

The Com group of claims is located on the east shore of the Cornwallis Peninsula on northern Kuiu 

Island. The claims cover almost 1.8 miles of bluffy shoreline from the Hungerford prospect (Map nos. 

8.1-8.2) southeast to a pronounced point, or nose, of the main ridge line on Cornwallis Peninsula. 

Mixed forest and muskeg cover the landscape inland from the beaches, and rock exposure is confined 

mostly to creeks. The beaches are accessible by small boat, float plane, or helicopter at low tide. 

Access inland must be by foot or helicopter, since the northeastemmost extent of the Kuiu Island 

logging roads ends short of the southern boundary of the claims. Much of the area was withdrawn 

from mineral entry in 1971 by the Alaska Native Claims Settlement Act for selection by Sealaska and 

Kake Tribal Corporation (the area's Native regional and village corporations). The land status is 

currently a mixture of selected Native and patented Native, including i!}terim conveyances. 

History 

From 1973 to 1974, two men, presumably working for Resource Associates of Alaska (RAA), staked 

the Com group of claims, which consisted of 121 adjoining placer and lode claims (Alaska Kardex, 

1982). These were leased to Cominco America in the mid-1970's, which then carried out detailed 

sampling, geophysical surveying, and a limited drilling program consisting of only two to three 

diamond drill holes. Mapco Inc. also leased the Com claims from RA~.sometime in the late 1970's 

and drilled at least one diamond drill hole in the area (but the descript~<;W of its location is not on the 

Com group of claims). RAA allowed the claims to lapse sometime in the 1980's (Hedderly-Smith, 

1990). 

Mineral Assessment 

The Triassic Keku Volcanics crop out across most of the Com claims. However, in the southeastern 

and northeastern comers of the claim block, Triassic Cornwallis Limestone is exposed. The northcentral part of the claims includes an uplifted block of Carboniferous volcanic rocks (Muffler, 1967). 

BLM personnel accompanied by a USGS geologist investigated the northern part of the claim block; 

this included starting in the area of Hungerford Creek, going upstream to an upper tributary, and 

continuing up this northeast-flowing tributary to an elevation of 420 feet. Throughout the examination, 

field personnel observed mottled, light-brown-weathering rhyolite (maroon on fresh surfaces). In 

places, the rhyolite is brecciated. Barite was found in the upper tributary at elevations of 280 feet, 290 

feet, and 400 or 420 feet. The lower exposure is a series of small pods, veins, and stringers of coarsegrained barite hosted in rhyolite. These outcrops are exposed intermittently across 200 feet of the 

creek bed. A barite boulder 1.3 feet long, 0.8 feet wide, and 0.6 feet thick was encountered at 290 feet 

elevation in the main creek. A sample of this boulder ran greater than 2.0 percent barite and 1.5 

percent zinc with traces of copper and lead (Map no. 9, sample 9610). At an elevation of 

approximately 400 or 420 feet, small veins of barite are found in rhyolite with disseminated pyrite. 

31 
Conclusions 

The examination up Hungerford Creek revealed a thick section of rhyolite volcanics without significant 

sulfide concentrations and only a few barite veins. Sulfide mineralization appears to be confined to the 

vicinity of the Hungerford prospect along the faulted contact with older Carboniferous volcanics and 

Silurian marine elastic rocks. An examination of the shoreline to the east and up the small creek that 

empties into Keku Strait in the southeastern comer of section 34, T. 57 S., R. 72 E. would allow a 

comparison of the upper rhyolite section to that observed in Hungerford Creek. Additional 

mineralization might be expected along the beach to the east where Muffler (1967) has mapped a fault. 

32 

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SAGINAW BAY BARITE 

(Plate 1, Map no. 10) 

Location/ Access 

The Saginaw Bay Barite occurrence is located on northwest Kuiu Island, midway along the southwest 

shoreline of Saginaw Bay, 12.5 miles southwest of Kake. The property lies along a narrow, rocky 

beach that drops steeply to the water. Access is via boat or float plane. 

History 

The discovery of barite at the Saginaw Bay prospect is first mentioned by Buddington while describing 

his field work in 1923 (Buddington, 1925). No staking or development work is mentioned by him, nor 

are there any other subsequent references. 

Mineral Assessment 

Barite at the Saginaw Bay occurrence is hosted in vuggy, black-weathered,·thinly bedded limestone 

that strikes 320° and dips 50° to the northeast. The unit has been mapped as Silurian Kuiu Limestone 

by Muffler (1967). The barite crops out in a series of irregularly spaced, subparallel veins exposed 

along approximately 200 feet of shoreline. The veins strike 355° to 025° and dip 60° to 80° to the 

west. They pinch and swell along strike and have widths ranging from stringers to 2.5 feet. The most 

extensive vein is traceable along strike for 20 feet before being obscured by vegetative cover and tide 

water. The veins are composed of pinkish white, coarse-grained blades of barite with subordinate 

calcite stringers and, likely,, witherite. 

Two samples were taken of the barite veins exposed along the shoreline. Results show barium values 

greater than 2.0 percent (Map no. 10, samples 148, 9607). 

Conclusions 

The presence of barite here is restricted to relatively small veins that are widely spaced. Similar to 

others on Cornwallis Peninsula, this occurrence, as exposed,.is subeconomic. 

33 
Location/ Access 

KADAKEBAY 

(Plate 1, Map no. 11) 

The Kadake Bay occurrence is located on northeastern Kuiu Island along a small peninsula bounded to 

the west by Kadake Bay and to the east by Port Camden. It is approximately 12 miles south of Kake" 

The occurrence is exposed near the low-tide line and can be reached by boat, float plane, or helicopter. 

History 

Uranium anomalies were first reported in the area by Eakins (1975) during an investigation of uranium 

locations in Southeast Alaska. His work included reconnaissance mapping, geochemical sampling, and 

a ground-based radiometric survey of approximately 5 miles of beach-from the mouth of Kadake Bay, 

south along the west side of Port Camden. In addition, Dickinson (1979) collected a series of samples 

that returned anomalous uranium values along the intertidal zone at the north end of the peninsula. 

Mineral Assessment 

The rocks in the Kadake Bay area have been described in detail by Wright and Wright (1908), 

Buddington and Chapin (1929), and Muffler (1967). They consist of nonmarine sandstone, 

conglomerate, and lesser shale of the Lower Tertiary Kootznahoo Formation (Muffler, 1967). These 

sediments are thought to have been deposited in lakes or shallow basins with some areas of marsh land 

(Wright and Wright, 1908). The Kadake Bay occurrence lies mostly within medium-grained, angular 

quartz arenite. Thin beds (1 to 4 inches thick) of black carbonaceous shale with plant fossils are found 

in the sandstone; these give scintillometer readings slightly above background values. 

The BLM collected samples from different fossiliferous shale beds that yielded values up to 46 ppm 

uranium, 23 ppm lanthanum, and 41 ppm cerium (Map no. 11, samples 174-175; Table A-3). These 

results, though anomalous, represent only a limited extent of the exposed rock. 

Conclusions 

Anomalous rare-earth values were obtained in both sandstone (Dickinson, 1979) and black 

carbonaceous shale from the Kadake Bay area. However, the values are well below those required for 

an economically viable deposit. Based on the BLM' s investigation, there seems to be little potential 

here for a rare-earth resource. · 

34 
KUIU 

(Plate 1, Map nos. 12.1-12.4) 

Location/ Access 

The Kuiu occurrence is located on the east side of Kuiu Island, between Kadake Bay and Port Camden, 

approximately 12 miles south of Kake. It can be reached by small boat, float plane, or helicopter at 

low tide. Boat access into Kadake Bay is limited to medium and high tides due to the large tidal flats 

exposed at low tide. 

History 

T.F. Schorn staked the Kuiu 1-9 claims.for gold at this location in 1976. Mapco Inc. staked the Krista 

claims at the same location in 1979. The Krista block of 21 claims may have overlapped the Kuiu 

claims or may have been located adjacent to them. There is no record of development work beyond the 

initial staking of both blocks (Alaska Kardex, 1982). This area was also investigated for uranium by 

Eakins (1975) and Dickinson (1979). 

Mineral Assessment 

The Kuiu occurrence lies within a section of the Tertiary Kootznahoo Formation that has been intruded 

by Tertiary gabbro (Muffler, 1967). Nonmarine Kootznahoo sediments crop out just inside the tree 

line along the beach. · 

·· BLM personnel collected one pan concentrate and eight stream sediment samples from several very 

small streams along the northwest side of Port Camden. The pan concentrate sample was taken from 

fine-grained sand found in a wooden box lying just ab~ve the high-tide line. This sample contained 

2,255 ppb gold (Map no. 12.3, sample 170). Stream sediment samples contained up to 24 ppb gold and 

37 to 130 ppm zinc (Map nos. 12.1-12.4, samples 168-169, 171-173, and 9624-26). 

Conclusions 

Stream sediment samples from the numerous small creeks draining into the northwest side of Port 

Camden revealed low gold and base-metal concentrations. 

35 
Location/ Access 

POINT SAINT ALBANS 

( Plate 1, Map nos. 13.1-13.3) 

The Point Saint Albans occurrence is located 1.5 miles north of Point Saint Albans on the southeast tip 

of Kuiu Island, 60 miles south of Kake. Access is by boat or helicopter at low tide. 

History 

The earliest recorded activity at the Point Saint Albans occurrence is credited to Fred Magill sometime 

prior to 1952. At that time, J.R. Houston visited Magill's zinc property to evaluate it for uranium 

potential (Houston and others, 1958). Claim records for Magill's Hot Spot claim appear in 1954 

(Alaska Kardex, 1982), but there is no record of subsequent activity. 

Mineral Assessment 

The country rock in the general vicinity of the Point Saint Albans occurrence has been mapped as 

Silurian sedimentary rocks (Gehrels and Berg, 1992). Locally these fine-grained, medium-bedded 

rocks have been intruded by hornblende diorite and homfelsed, cut by basaltic dikes, and faulted. The 

occurrence consists of shear zones containing sulfide minerals and small, sulfide-rich veins along dike 

margins. These zones are typically iron-stained, contain irregular quartz-calcite lenses, and range in 

width from 0.1 to 2.4 feet. They generally strike 280° to 325° and dip 20° to 56° to the southwest, but 

one shear dips 15° to the north. The mineralization is characterized by .coarse-grained, disseminated 

sphalerite; very fine-grained, disseminated galena; very fine-grained, disseminated arsenopyrite; and 

fine-grained, disseminated pyrite. The sulfides commonly, although not exclusively, are found in the 

quartz-rich parts of the shear zones. 

BLM personnel collected eight samples from different mineralized outcrops at the occurrence. Seven 

of the eight samples contained zinc values that ranged from 2,186 ppm to 2.4 percent (Map nos. 13.1-

13.3, samples 177, 179-180, 9628-31). A sample from a I-inch-wide band of pyrite, arsenopyrite, and 

sphalerite found along the margins of a hornblende diorite dil<:e contained 5,535 ppb gold and 8,409 

ppm zinc (Map no. 13.1, sample 9628). A sheared, sedimentary breccia with galena, sphalerite, and 

arsenopyrite contained 342.2 ppm silver, 8.15 percent lead, and 1.1 percent zinc (Map no. 13.2, sample 

9631). A sample of a quartz vein containing galena, sphalerite, pyrite, and arsenopyrite returned 161.7 

ppm silver, 9,834 ppm lead, and 2.4 percent zinc (Map no. 13.2, sample 180). During Houston's visit 

in 1952, a vein containing sphalerite was sampled and analyzed for uranium. The result is reported as 

0.001 percent equivalent uranium (Houston and others, 1958). 

Conclusions 

Samples from the Point Saint Albans occurrence contained high concentrations of silver, zinc, and 

lead. One sample contained a high concentration of gold. These samples also contained anomalous 

amounts of antimony, arsenic, and cadmium. Although precious- and base-metal concentrations are 

. elevated, samples were collected from scattered, narrow zones across a relatively wide area along the 

shoreline. The zones are too narrow and widespread to make a large, low grade deposit, but their large 

36 

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aerial extent and high grade encourages further exploration. Further work to identify and more precisely 

characterize the mineralization at this occurrence is warranted. 

37 
38 

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KUPREANOF ISLAND 

Property name ................ Plate 1, Map no. 

Pinta Point . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 

Kake Area Road System .............. 15-16, 18 

Gunnuk Creek ...................... 17.1-17.3 

Kane Peak ......................... 19.1-19.3 

Portage Bay Pit ........................... 20 

Northern Copper .................... 21.1-21.3 

Towers Creek . . . . . . . . . . . . . . . . . . . . . . 22.1-22.3 

Salt Chuck . . . . . . . . . . . . . . . . . . . . . . . . . 23 .1-23 .2 

Portage Creek . . . . . . . . . . . . . . . . . . . . . . 24.1-24.2 

Taylor Creek ....................... 25.1-25.2 

Indian Point . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26 

West Duncan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 

Kupreanof Pyrite .......................... 28 

Castle Island Mine ................... 29.1-29.3 

East Duncan Pyrite . . . . . . . . . . . . . . . . . . . . . . . . 30 

Spruce Creek ....................... 31.1-31.3 

Nicirque ................................. 32 

Southwest Duncan Canal ................... 33 

TB ..................................... 34 

Monongehela . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 

39 
PINTA POINT 

(Plate 1, Map no. 14)' 

Location/ Access 

Pinta Point is situated at the northernmost tip of Kupreanof Island, 9 miles north-northeast of 

Kake. The occurrence at Pinta Point is exposed along the shoreline, in the intertidal zone and 

above the high-tide line. The area is accessible by boat and by helicopter. Land in the area is 

controlled by Kake Tribal and Sealaska Corporation (the area's Alaska Native Claims Settlement 

Act (ANCSA) Native village and regional corporations). 

History 

BLM personnel discovered anomalous mineral concentrations during a reconnaissance 

investigation along the north shore of Kupreanof Island. No mention of this prospect is known in 

published literature. 

Mineral Assessment 

The occurrence at Pinta Point is hosted in graphitic schist that is part of a unit mapped as 

metamorphosed, Upper Mesozoic, Stephens Passage Group (Brew and others, 1984). Near Pinta 

Point, the unit includes interlayered limestone, chert, felsic schist, and greenstone. The rocks are 

metamorphosed and have been multiply deformed. 

The host graphitic schist is commonly silicious, dark gray, and well foliated. It has been 

penetratively and multiply deformed with tight to isoclinal folds, commonly on a scale of inches 

to a few feet. Foliation in the area trends generally northwest with steep dips. Near Pinta Point, 

the schist includes finely disseminated and massive sulfides, mainly pyrite and pyrrhotite, that 

can be found along approximately 500 feet of the shoreline. In places the sulfides make up 

~O percent or more of the rock, in layers up to about 1 foot thick. One 15-foot-wide zone 

contains about 10 percent sulfides across its entire width. This zone is exposed for about 30 feet, 

between the boulder-strewn shoreline and brush inland. In another area, the graphitic schist with 

seams of pyrite is exposed in cliffs above the intertidal zone. Here the rock is poorly indurated, 

and its appearance is slaty. The sulfides at Pinta Point are mainly pyrite and pyrrhotite with 

small amounts of sphalerite and chalcopyrite. 

BLM personnel sampled the mineralized rock; two samples were collected from the 15-foot-wide 

zone and one from the poorly indurated rock described above. Sample results indicate low 

precious- and base-metal values (Map no. 14, samples 2363-64, 2391). A representative sample 

across 11 feet of the zone contained 43 ppb gold, 143 ppm copper, and 624 ppm zinc (Map no. 

14, sample 2363). A reconnaissance sample collected 1,000 feet west of Pinta Point from an 

isolated 1.5- by 2-foot lens of massive sulfide contained 661 ppm copper and 1,595 ppm zinc 

(Plate 2, Map no. R4, sample 2365). 

40 

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Conclusions 

Sample results indicate very low precious- and base-metal values associated with the sulfides at 

Pinta Point; however, the broad extent of the minerals encourages further investigation of the 

area. This area lies within a belt of rocks that elsewhere hosts prospective volcanogenic massive 

sulfides (VMS) deposits. Additional work in the area is warranted. · 

41 
KAKE AREA ROAD SYSTEM 

(Plate 1, Map nos. 15-16, 18) 

Location/ Access 

The small village of Kake (population 700) on northwestern Kupreanof Island is accessible by 

scheduled air service and by Alaska Marine Highway System ferry. The Kake Area Road 

System refers to the network of logging roads surrounding the village. The system includes the 

roads generally north of Kake belonging to the Kake Village Corporation (the area's ANCSA 

Native village corporation), as well as those east and southeast of Kake on Forest Service land. 

Many of the logging roads are still accessible by truck. However, some are overgrown with 

alders and are impassible. Still others are washed out or the bridges have been removed. 

Consequently, much of the area is only accessible by foot. The occurrences discussed below are 

all situated on Native land holdings. 

History 

Only one occurrence is noted in the Kake area: Gunnuck Creek, located on Native Corporation 

land about 3 miles northeast of Kake. Four claims were staked in the area in 1968 that 

reportedly targeted lode gold (Alaska Kardex, 1982; Bureau of Land Management, MAS 

database). No production is known to have taken place on the property (see Gunnuck Creek, 

Map nos. 17.1-17.3). 

BLM personnel discovered three anomalous mineral concentrations during reconnaissance of the 

Kake road system in 1998. There is no known mention of these in published literature. 

Mineral Assessment 

The Kake road system area is made up mainly of Mississippian and Devonian argillite and 

graywacke of the Cannery Formation and Mesozoic phyllite and slate of the "Duncan 

Canal/Zarembo Island/Screen Island" sub-belt of Brew and others (1984). Cretaceous 

homblendite and hornblende gabbro crop out at Tum Mountain, and several units of the Triassic 

Hyd Group are exposed west of there (Brew and others, 1984). All of these units are within the 

Alexander terrane (Silberling and others, 1994). Rocks in the area are unmetamorphosed or 

metamorphosed only to prehnite-pumpellyite or lower greenschist facies (Dusel-Bacon and 

others, 1996). Structures in the area trend generally to the northwest. 

BLM personnel examined numerous rock pits along the Kake logging road system, particularly 

those of Kake Tribal Logging to the north of town. They also collected many reconnaissance 

samples from the pits (Plate 2), mostly of pyrite seams and segregations hosted in the argillite of 

the Cannery Formation. Three occurrences of note were discovered during the logging road 

examination: one consists of narrow sulfide veins; another, a lens or layer of massive barite; and 

the third, a shear hosting a layer of pyrite with chalcopyrite. 

One mile northwest of Kake, two to three veins of sulfide minerals hosted in silicious argillite 

with calcite gangue are exposed in a rock pit. The veins average about 1 inch thick and extend 

42 

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for about 20 feet where they are cut off by a fault in one direction and by cover in the other. 

Coarse, crystalline calcite is common adjacent to and within the sulfide veins as well as in 

veinlets in the silicious argillite. A representative sample of the sulfide-rich veins contained 

1,135 ppb gold, 30.5 ppm silver, 7,327 ppm copper, and 5.4 percent zinc (Map no. 18, sample 

3700). 

About 3 miles southwest of Tum Mountain, BLM personnel sampled a lens of massive barite 

that also contains galena and sphalerite. The lens, about 2 feet thick and about 6 feet long, is 

exposed in unconsolidated soil above a logging road, so its relation to the country rock in the 

area is unknown. The country rock is mapped as Cannery Formation (Brew and others, 1984) 

and consists mainly of argillite. Clasts of argillite are common in the massive barite of the lens. 

A select sample of the lens contained 13.1 ppm silver, 1.02 percent lead, 3.0 percent zinc, and 

48.37 percent barium (Map no. 16, sample 3705). 

A small shear zone filled with quartz, potassium feldspar, epidote, and layers of pyrite and 

chalcopyrite was discovered about 1 mile south-southeast of Tum Mountain. The northeasttrending shear cuts hornblende diorite and is exposed in a rock pit. A layer of coarsely 

crystalline, weathered pyrite 1 to 3 inches thick with lenses of chalcopyrite is exposed for about 

15 feet in a wall of the pit. A select high-grade sample of the sulfides contained 30.6 ppm silver, 

11.2 percent copper, and 1,253 ppm molybdenum (Map no. 15, sample 3711). 

Conclusions 

The sulfide vein near Kake is too small to be considered a resource. Additional follow-up work 

in the area may reveal the presence of other mineral concentrations, but a precious-metal 

resource hosted in small veins is unlikely. 

The massive barite·prospect is worthy of additional investigation. Barite is associated with other 

volcanogenic massive sulfide deposits in the area, so determining the mineralizing process 

related to the barite deposition is worthwhile. Finding additional barite and examining its 

relationship to the surrounding country rock would be beneficial. 

The shear hosting pyrite and chalcopyrite is very limited in extent. Additional investigation is 

probably unwarranted. 

43 
Location/ Access 

GUNNUK CREEK 

(Plate 1, Map nos. 17.1-17.3) 

The Gunnuk Creek prospect is located about 3 miles northeast of Kake along Gunnuk Creek, 

which flows into Keku Strait at Kake. At this location, the creek flows gently within relatively 

subdued topographical relief. The area is accessible from the Kake road system; one of the Kake 

logging roads crosses Gunnuk Creek just below the prospect. The land in the area is controlled 

by Kake Tribal and Sealaska (the area's ANCSA Native village and regional corporations). 

History 

Very little is known about the claims. They were originally staked in 1968 as the "ABC" claims 

in a 4-claim block. The target was apparently lode gold (Alaska Kardex, 1982). 

Mineral Assessment 

BLM personnel searched the Gunnuk Creek area where the prospect is reported to have been 

located (Alaska Kardex, 1982), but found no evidence of mineral activity. They collected five 

stream sediment samples from the area, but none of the samples revealed significant metal 

values (Map nos. 17.1-17.3, samples 3728-30, 8688-89). 

Conclusions 

There is not enough information available about the Gunnuk Creek claims to assess their 

significance. However, the lack of information itself suggests that any deposit, if one did exist, 

would_ be of little importance. 

44 

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KANE PEAK 

(Plate 1, Map nos. 19.1-19.3) 

Location/ Access 

The Kane Peak prospect is 13 miles northwest of Petersburg, on the northeast side of Kupreanof 

Island. Kane Peak is the easternmost member of the Missionary Range on the north end of 

Lindenberg Peninsula. The mineralized intrusive at the prospect extends east from near the 

summit of Kane Peak to the vicinity of Cape Strait on Frederick Sound. The area around the 

peak is relatively steep and rugged, but the terrain slopes more gently closer to tidewater at 

Frederick Sound. The mineralized intrusive body is exposed from sea level to an elevation of 

over 3,000 feet near the summit. 

Most of the area is covered with muskeg, brush, and timber; the best mineral outcrops are at the 

shoreline and above the tree line. The use of a boat or float plane is the best way to access the 

shoreline. But the higher-elevation exposures on Kane Peak are most easily accessed by 

helicopter. 

History 

A.F. Buddington's examination of the Kane Peak area in 1923 is the first record of activity at the 

site (Buddington and Chapin, 1929). Kennedy and Walton of the USGS investigated the area in 

August 1943 and described the geologic features of the intrusive complex. They did not collect 

any samples for analysis, however, because the sulfide-bearing pyroxenite was reported to 

contain only 1 to 2 percent sulfides (Kennedy and Walton, 1946). · 

Kennedy and Tolstoy made a topographic map of the area in 1946. They also produced a 

detailed geologic map, but their study of the area was confined mainly to the southwestern part 

of the complex (Walton, 1951). 

In 1960 the first known mineral claims on the site were staked by Joe Bigelow for magnetite. 

These coincided with a low ridge, parallel and adjacent to tidewater, about 1,000 feet northnorthwest of the mouth of Twelvemile Creek (Banister, 1962). In 1961 Joe and Esther Bigelow 

staked the Joyce Ann and Esther E. claims for iron. These were situated on the northwest side of 

Twelvemile Creek, south of Kane Peak (Alaska Kardex, 1982). No other claims or prospecting 

are known in the area. 

In 1961 the Bureau of Mines, in connection with an iron resource study of Southeast Alaska, 

investigated the area for iron (Banister, 1962). There has been no production from the Kane 

Peak prospect. 

Mineral Assessment 

The occurrence at Kane Peak is associated with Cretaceous intrusive rocks of the Klukwan-Duke 

Plutonic Belt (Brew and Morrell, 1983). The ultramafic complex consists of wehrlite, dunite, 

and clinopyroxenite. Zone boundaries are poorly developed, and the major rock types are 

45 
gradational (Brew, 1971). The ultramafic body has intruded graywacke and biotite-quartz gneiss 

and is in tum intruded on the northwest by monzodiorite. According to Kennedy (1946), the 

central part of the complex is composed of dunite, wehrlite, and diopside pyroxenite. This 

ultramafic part of the complex is exposed in most of the outcrops on the peak. A band of 

homblendite borders the ultramafic body on the north and south sides. Looking northward from 

a small lake south of Kane Peak, one can see a conspicuous band of brick-red stained, sulfidebearing pyroxenite on the peak's south slope. The staining is likely due to oxidation of sulfide 

minerals that make up only a small proportion of the ultramafic body (Kennedy, 1946). 

Walton (1951) describes "appreciablen amounts of sulfide minerals "sporadically distributed" in 

the southwestern part of the complex-specifically pyrrhotite, pentlandite, and chalcopyrite. 

Although no economically significant masses of sulfides were discovered, Walton (1951) 

suggests that such masses may exist. 

The Bureau of Mines examined an area north of Twelvemile Creek near tidewater, but nothing 

of economic significance was found. The work included a magnetometer survey that reportedly 

indicated subeconomic grades of iron (Banister, 1962). The iron-bearing magnetite bodies in 

homblendite that were examined were too small and too low-grade to be of economic interest. 

A representative sample analyzed for titanium, vanadium, and copper also revealed low values 

(Banister, 1962). 

In the summer of 1998, BLM personnel examined and collected 12 sa 1::les (Map nos. 19.1-

19.3, samples 392-398, 2810-14) from the shoreline exposure of the 1. • ,,1mafic body at Kane 

Peak. They collected six stream sediment and six rock chip samples. Exposures higher on the 

peak, especially the stained pyroxenite on the south slope, were not examined in 1998 due to 

poor weather. Analytical results from samples of the shoreline outcrops and stream sediments 

showed generally low metal values. Some samples had slightly elevated nickel (Map no. 19.2, 

samples 393-396) and chromium (Map nos. 19.1-19.2, samples 2813-14, 392-394). The highest 

were 316 ppm nickel (Map no. 19.2, sample 394) and 390 ppm chromium (Map no. 19.1, 

sample 2814). BLM personnel analyzed the samples for platinum group metals as well, but 

detected no anomalous values. 

Conclusions 

The ultramafic body at Kane Peak is similar to others in Southeast Alaska that have been· 

prospected for iron, chrome, and platinum group elements. To date, no significant quantities of 

these elements have been found at Kane Peak. 

46 

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Location/ Access 

PORTAGE BAY PIT 

(Plate 1, Map no. 20) 

The Portage Bay Pit is located on northern Kupreanof Island, half a mile south of the head of 

Portage Bay. The site is 14 miles northwest of Petersburg. The occurrence is exposed in a 

borrow pit from which material was removed to construct part of the Portage Bay road system. 

The road system extends around the bay, connecting the borrow pit at the head of the bay with 

the log transfer facility and logging camp near its mouth. The bay is accessible by boat or float 

plane; and the pit, by road or helicopter. 

History 

In 1998 BLM personnel discovered copper and molybdenum in a borrow pit south of Portage 

Bay. No mention of this site is known to exist in published literature. 

Mineral Assessment 

The country rock exposed in the Portage Bay Pit is a fine- to medium-grained, dark gray to dark 

green diorite(?). Geologic maps of the area do not indicate the presence of an intrusive body in 

the immediate area; however, Cretaceous age quartz monzonite to diorite bodies have been 

mapped to the north and south of the pit (Brew and others, 1984; Brew, 1971). 

·· Pyrrhotite is almost ubiquitous in the intrusive and makes up about 1 to 2 percent of the rock. 

Very fine-grained, disseminated chalcopyrite is also common across the pit, but makes up only a 

fraction of a percent of the rock. Pyrite is also comm<?n. The sulfides commonly occur as thin 

coatings on fracture surfaces. Rare coatings of molybdenite are also present on fracture surf aces. 

Several faults cut the intrusive in the pit. Along the faults, sulfides are commonly concentrated 

in the sheared and altered rocks. One of the faults, oriented approximately 315°, 77 northeast, 

contains bands of sulfides that include mainly pyrrhotite with chalcopyrite, sphalerite, galena, 

arsenopyrite, and pyrite. 

To the north of the pit, the homfels that hosts the intrusive is exposed. The host rock is finegrained and well indurated, with evidence of bedding planes in some places indicating that it is 

likely a metasediment. The rocks in the area have been mapped as Cretaceous phyllite, derived 

from sediments of the Jurassic to Cretaceous Seymour Canal Formation (Brew and others, 1984; 

Brew, 1971). 

BLM personnel surveyed the Portage Bay rock pit and collected 12 samples. The average of 

four random, representative samples collected across the pit was 163 ppm copper (Map no. 20, 

samples 2803-06). These samples ranged in length from 8 to 20 feet. Higher-grade samples 

were collected from sulfide-rich, silicified zones that seem to be concentrated near faults. 

Examples of these altered zones were found in one place on the northwest side of the pit as well 

as in rubble on the pit floor. One select sample of sulfide-rich material contained 3,271 ppb 

47 
gold, 13.9 ppm silver, 3,025 ppm copper, 4,708 ppm lead, 1.4 percent zinc, and 9,762 ppm 

arsenic (Map no. 20, sample 3674). Other samples contained up to 855 ppm molybdenum (Map 

no. 20, sample 3678), and 1,365 ppm nickel (Map no. 20, sample 3682). 

Conclusions 

The disseminated nature of the pyrrhotite and minor chalcopyrite in the intrusive rock exposed 

in the Portage Bay Pit suggests the potential for a porphyry-type deposit. However, there are no 

significant porphyry systems of Cretaceous age known in the area. The altered zones, which 

returned noteworthy analytical results, deserve additional investigation. An attempt could be 

made to determine the extent of the intrusive and any additional fault-related mineralized zones. 

48 

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Location/ Access 

NORTHERN COPPER 

(Plate 1, Map nos. 21.1-21.3) 

The Northern Copper prospect is located at the north end of Duncan Canal on north-central 

Kupreanof Island, 17 miles west-northwest of Petersburg. The prospect sits at an elevation of 

approximately 1,300 feet on the south face of Kupreanof Mountain. The topography in the area 

is moderately steep. Dense conifer forest covers the ridge slopes, and muskegs are common on 

the ridge crest. Covering the prospect are four patented mining claims (MS 652) that at one time 

were an inholding within the Petersburg Creek-Duncan Salt Chuck Wilderness area (as defined· 

by the Alaska Native Claims Settlement Act (ANILCA), 1980). The patented claim holders 

subsequently turned the property over to the Forest Service to manage as wilderness. Access is 

most easily accomplished by taking a helicopter to the ridge crest above the property (which 

marks the boundary of the wilderness area) and then descending to the prospect on foot. 

History 

The claims at Northern Copper were first staked in 1900 (Wright and Wright, 1908). They were 

active between 1900 and 1901 and between 1918 and 1921. Between 1900 and 1901, the claims 

were held by the Portage Mountain Mining Co., which also held claims about 6 miles to the east 

on Portage Mountain. This company prospected the claims with adits and shafts (Wright and 

Wright, 1908). Sometime after 1906, the property was acquired by the Kupreanof Mining Co., 

which began the construction of a plank road to tidewater in 1918. The road was intended to 

connect to an aerial tram, which, in tum, was to connect to the prospect on the mountainside 

above (Buddington, 1923). The tram was apparently never constructed, as no evidence or 

mention of its existence was found. In 1920 the claims were purchased by the Northern Copper 

Co., which began developing the prospect by extending adits as well as cutting trenches, 

opencuts, and pits (Buddington, 1923). Development ceased in 1921, and the property remained 

idle until it was restaked in 1944 (U.S. Bureau of Mines, 1945). Bureau of Mines and USGS 

personnel examined the property in the 1940's (U.S. Bureau of Mines, 1945; Twenhofel and 

others, 1949). The renewed interest was probably driven by demands of the war effort. After 

the 1940's, there is no published evidence of activity at the site until the late 1970's. 

In 1978 Amoco Minerals Co. (Amoco) staked a large block of claims at the north end of Duncan 

Canal that covered the Northern Copper prospect. In 1978 and 1979, the company carried out 

airborne geophysical surveys; ground electromagnetic, magnetic, and gravity surveys; geologic 

mapping; soil and stream sediment geochemical sampling; and core drilling. In the Northern 

Copper area, weak airborne EM anomalies were further delineated by ground EM and soil 

geochemical surveys. Six diamond drill holes were subsequently drilled to evaluate the 

anomalies (Zelinski, 1979?; Amoco Minerals Company, 1979). · 

Four claims belonging to the Kupreanof Mining Co. were patented in 1907 (Bureau of Land 

Management, MAS) in the name of John Johnston (Patent No. 44523; Patent Plat), who may 

have been a representative of the Portage Mountain Mining Co., the likely claim holders at the 

49 
time of patent. These four claims were acquired by Boochever, Dubuar, and Hansen, who then 

deeded the property to the Forest Service for inclusion in the Petersburg Creek-Duncan Salt 

Chuck Wilderness area in 1995. 

Mineral Assessment 

The Northern Copper prospect lies within an undifferentiated belt of volcanic rocks (Brew and 

others, 1984; Brew, 1997m) that elsewhere in the Duncan Canal area are associated with VMS 

deposits. New mapping in the area by Karl and others (1999) after the release of airborne 

geophysical data (ADGGS, 1997a-m) dates the Northern Copper host rocks as Devonian. The 

mineralized rock has been described as a replacement-type deposit by past investigators 

(Buddington, 1923; U.S. Bureau of Mines, 1945; Twenhofel and others, 1949) and, as such, may 

not be related to Triassic VMS deposits in the area. 

Historic developments at Northern Copper include numerous workings, many of which are 

now caved and overgrown. Most of these are concentrated at an elevation of about 1,300 feet, 

where a shaft and at least eight trenches, opencuts, and pits have been developed. The shaft, 

when examined in 1998, was 28 feet deep, although two earlier reports give different 

descriptions-SO feet deep (U.S. Bureau of Mines, 1945) and 40 feet deep with a drift at the 

bottom (Twenhofel and others, 1949). Three adits were also developed on the property. One, at 

an elevation of about 1,200 feet, was driven to undercut the mineralized rock exposed in the 

shaft. It is presently caved, but was reportedly 354 to 375 feet long (U.S. Bureau of Mines, 

1945, and Twenhofel and others, 1949, respectively). A second adit, 30 feet long, lies about 

·· 1,500 feet northeast of the shaft at an elevation of about 1,100 feet. It was cut to follow a band 

of mineralized rock exposed in a small, adjacent creek bed. BLM personnel located a third adit 

at an elevation of about 1,180 feet on the north side of a small creek that flows to the east, 

draining the area of the main workings. The adit extends for 285 feet and exposes bands or 

layers of mineralized rock from near its portal to its face. 

The BLM' s investigation included surveying the main workings; mapping and sampling the 

shaft and two open adits; and mapping and sampling where mineralized rock was easily exposed 

in the trenches, pits, and opencuts. Because much of the area is overgrown, the investigation 

was confined to discrete outcrops, which present an incomplete picture of the nature of 

mineralization in the area. 

Mineralized rock is exposed in three main places in the Northern Copper area; (1) near the main 

workings, in the shaft and adjacent trenches (Map nb. 21.3), (2) in the 285-foot adit (Map no. 

21.2), and (3) in the 30-foot adit (Map no. 21.1). 

Mineralize,d rock in the area of the main workings consists of sulfide-bearing greenstone and 

greenstone schist. The sulfides are mainly pyrrhotite with pyrite, chalcopyrite, and sphalerite. 

They occur in massive lenses, as well as patches and disseminations within the host rock. Two 

lenses of massive sulfide are partially exposed in the main trench. Their largest dimensions are 

only about 2-3 feet. The lenses are hosted by greenstone schist at the base of a massive 

greenstone bed. Disseminated sulfides are found concentrated in the greenstone along with 

50 

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skam minerals. The massive lenses generally contain more chalcopyrite than sphalerite; 

whereas, the disseminated sulfides in the greenstone generally consist of more sphalerite than 

chalcopyrite. 

Skarn minerals include garnet and radiating crystals of pyroxene, likely altered to amphibole. 

The skarn minerals are generally restricted to the massive greenstone units and are commonly 

accompanied by silicification of the greenstone. Pure, coarsely crystalline marble is found in 

layers and lenses that are commonly oriented parallel to the foliation/layering in the greenstone 

schist and greenstone. Nowhere were sulfides, particularly massive sulfides, found associated 

with the marble. 

The second mineralized interval in the main workings area is described in an unpublished 

Amoco report on the Northern Copper area (Zelinski, 1979?). It occurs in gray argillites about 

80 feet stratigraphically below the massive greenstone bed exposed in the main trench. The 

massive sulfides in this interval are mainly pyrrhotite with variable amounts of chalcopyrite. 

Samples as high as 22.4 percent copper were collected, but the massive sulfide layer was not 

found to exceed a thickness of 2 feet at any point. The zone is said to be relatively continuous, 

but the grades are variable (Zelinski, 1979?). 

BLM personnel collected 36 samples form the shaft, trenches, pits, and dumps in the main 

workings area. Analytical results revealed elevated concentrations of copper and zinc, with 

minor silver and trace gold. The highest copper values were 1.7 percent copper over 1.5 feet 

(Map no. 21.3, sample 8684) 1.4 percent copper over 1.8 feet (Map no. 21.3, sample 3714), and 

3.5 percent copper in a select sample from an outcrop (Map no. 21.3, sample 3666). Zinc values 

ranged up to 1.2 percent over 3 feet (Map no. 21.3, sample 108) and 2.4 percent over 1.5 feet 

(Map no. 21.3, sample 3715) in silicified greenstone. Silver and gold values ranged up to 32.6 

ppm silver (Map no. 21.3, sample 3666) and 165 ppb gold in a massive sulfide lens (Map no. 

21.3, sample 3725). 

Mineralized rock exposed in the 285-foot adit consists of two types: massive sulfide layers and 

disseminated sulfides. A continuous layer of massive pyrrhotite with chalcopyrite and minor 

sphalerite, 0.2 to 1.7 feet thick, is exposed for about 100 feet near the face of the adit. The layer 

is offset in four or five places by apparent dip-slip movement on northeast-striking, southeastdipping faults. The massive sulfide layer is hosted by greenstone schist and is commonly on or 

near the contact with dark gray to black, fine-grained phyllite, which it structurally overlies. 

Samples across the layer of massive sulfide ranged up to 3.1 percent copper and 1,427 ppm zinc 

over 0.6 feet (Map no. 21.2, 3685), and 2.5 percent copper over 1.4 feet (Map no. 21.2, sample 

3806). Precious metal values in the massive sulfide are low; they range up to 29 ppb gold (Map 

no. 21.2, 3806) and 11.5 ppm silver (Map no. 21.2, 3685). 

The second type of mineralized rock in the 285-foot adit consists of a silicious band of 

greens tone schist containing pyrrhotite (both disseminated and in veinlets) and very minor 

chalcopyrite. This band structurally underlies the layer of phyllite described above. Analytical 

51 
results indicate little significance to this second type of mineralized rock. Results ranged up to 

860 ppm copper and 369 ppm zinc over 2.2 feet (Map no. 21.2, samples 3810, 3687). 

The 30-foot adit northeast of the main workings was driven to cut a band of massive sulfide 

exposed in a small creek. The band is concordant to foliation in the host rocks; it strikes 

330° to 345° and dips about 10° to 30° to the southwest. The band is from 0.25 to 2 feet thick 

and is exposed for about 20 feet along strike, both in the adit and in the adjacent creek. It 

consists of pyrrhotite, pyrite, and chalcopyrite. Samples from the band of sulfides contained up 

to 12.4 percent copper over 2 feet (Map no. 21.1, sample 415). Precious metal values from 

samples of the sulfide band were higher than elsewhere in the Northern Copper area, but still 

were low. Gold values ranged up to 440 ppb (Map no. 21.1, sample 417) and silver to 37.7 ppm 

(Map no. 21.1, sample 415). 

Conclusions 

Since the Northern Copper property is now part of the Petersburg Creek-Duncan Salt Chuck 

Wilderness area, evaluation of the property is useful only to provide insight into other mineral 

prospects in the Duncan Canal area. Karl and others ( 1999) assign Devonian age to the rocks in 

the Northern Copper area, and as such, the rocks would not be associated with Triassic VMS 

deposits in the area. As a replacement deposit, the occurrence at Northern Copper is of less 

significance. The mineralized zones are relatively thin. And though they are exposed over a 

large area, they make up only a small percentage of the host rock. Precious-metal values are 

also low. 

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TOWERS CREEK 

(Plate 1, Map nos. 22.1-22.3) 

Location/ Access 

The Towers Creek prospect is located above a waterlall in Towers Creek, at an elevation of 

140 feet. It is about 1.5 miles from the head of Towers Arm and 18 miles west-northwest of 

Petersburg. The topography of the area is gently sloping, with muskegs, dense brush, and thick 

timber stands. Short cliffs border the creek near the prospect, and access is most easily 

accomplished by helicopter. Investigators must land nearby and hike down a short cliff to the 

prospect in the creek. 

History. 

In 1978 Amoco Minerals Co. staked a large block of claims covering the Towers Creek prospect 

at the north end of Duncan Canal. In 1978 and 1979, the company carried out airborne 

geophysical surveys; ground electromagnetic, magnetic, and gravity surveys; geologic mapping; 

. soil and stream sediment geochemical sampling; and core drilling on their claims. 

Mineral Assessment 

The Towers Creek prospect is located near the contact between Devonian schists and phyllites, 

and Triassic Hyd Group argillite (Karl and others, 1999). The rocks trend west to northwest and 

dip 25° to the northe'=1st. 

The BLM' s examination of this prospect revealed an outcrop/boulder in the middle of the creek 

that consists of iron-stained, limey, silicified schist containing disseminations and narrow bands 

of pyrite with sparse chalcopyrite. Six samples across the schist and pyrite bands contained from 

175 to 713 ppm copper (Map no. 22.1, samples 111-113, 270-272). Two stream sediment and 

three rock chip samples collected in Towers Creek, downstream from the prospect, did not 

contain significant metal values (Map nos. 22.2-22.3, samples 2345-47, 9558-59). 

Conclusions 

The BLM' s examination of the Towers Creek prospect did not reveal significant mineralized 

rock. 

53 
SALT-CHUCK 

(Plate 1, Map nos. 23.1-23.2) 

Location/ Access 

The Salt Chuck prospect is located on the peninsula between Towers Arm and North Arm at the 

head of Duncan Canal on Kupreanof Island, 15 miles west of Petersburg. The topography of the 

area is gently sloping, with muskegs, dense brush, and thick timber stands. The area was 

temporarily withdrawn from mineral entry in 1978 until RARE II (Roadless Area Review and 

Evaluation) wilderness areas had been designated by Congress. In 1980 the prospect was 

included in the Petersburg Creek-Duncan Salt Chuck Wilderness area (defined by ANILCA, 

1980). Access to the prospect is by boat, on foot, or by helicopter-if special permission is 

obtained to access the wilderness area. 

History 

In 1978 Amoco Minerals Co. (Amoco) staked a large block of claims covering the Salt Chuck 

prospect at the north end of Duncan Canal. The company's geologists were among the first to 

recognize the importance of volcanogenic massive sulfide deposits in the Duncan Canal area. In 

1978 and 1979, the company carried out airborne geophysical surveys; ground electromagnetic, 

magnetic, and gravity surveys; geologic mapping; soil and stream sediment geochemical 

sampling; and core drilling. In the Salt Chuck area, airborne EM anomalies were further 

delineated by ground EM and soil geochemical surveys. Five diamond drill holes were 

subsequently drilled to evaluate these anomalies (Zelinski, 1979?); Amoco Minerals Company, 

1979). 

Mineral Assessment 

The Salt Chuck prospect is hosted in Devonian phyllite, schist, and greenstone (Karl and others, 

1999). The rocks trend northwest and dip steeply to the east. 

The prospect is defined by an 8,000-foot-long, northwest-trending geophysical anomaly identified 

by airborne and ground geophysics. Three verified bedrock conductors are shown on an Amoco 

map. Five holes were drilled into the Salt Chuck anomaly. They range in length from 600 to 

1,000 feet and explore the anomaly about 5,000 feet along strike. Amoco describes the massive 

sulfide bands on this prospect as thin, discontinuous, and generally low-grade. The best 

intersections occurred in one hole where 1.7 feet averaged 1.86 percent copper and another 

10 feet averaged 0.877 percent copper (Zelinski, 1979?; Amoco Minerals Company, 1979). 

Amoco geologists discovered two mineralized outcrops during their examination of the prospect. 

The westernmost is located on the peninsula between Towers and North Arms, 3 miles north of 

the peninsula's tip and 2,000 feet inland from North Arm. The outcrop is located midway along 

the length of the anomaly and is described as a IO-foot-long by 5-foot-wide band of chalcopyrite 

hosted in rhyolite. (There is an inconsistency between the text description given above and an 

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Amoco map that indicates a 16-foot sample/outcrop.) Amoco samples collected across the 

outcrop averaged 6.3 percent copper, 0.02 percent zinc, and 0.32 oz/ton silver. The other 

mineralized zone is located 2,000 feet to the east, on the west side of Towers Arm. Here, three 

sulfide bands are exposed along the beach; each is less than 6 inches wide and composed.of 

chalcopyrite, sphalerite, and galena hosted in rhyolite. The bands contain from 0.01 to 0.13 

percent copper, 0.10 to 25.3 percent lead, 0.15 to 7.8 percent zinc, and from 0.2 to 13.62 oz/ton 

silver (Zelinski, 1979?; Amoco Minerals Company, 1979). 

The BLM's examination of the Salt Chuck prospect revealed bands of disseminated to massive 

sulfides at two locations, called the "Salt Chuck Copper" to the west and "Salt Chuck Zinc" to 

the east (Map nos. 23.1-23.2). These are at or near the two mineralized locations described 

above by Amoco geologists. 

The Salt Chuck Copper occurrence consists of a band of sulfides exposed in three cuts. The cuts 

are up to 4 feet wide and are aligned along strike and separated by 84 feet and 30 feet of muskeg. 

The host rock is rusty yellow, iron-stained, silicified chlorite schist. It is more resistant to 

weathering than the surrounding rock, so it forms ridges that stand out above the surrounding 

muskeg. The mineralized band is conformably hosted in schist that strikes 320°, dips steeply to 

the northeast, and is coincident with the geophysical anomaly. The band contains disseminated to 

massive pyrite and chalcopyrite. Samples averaged across 3.8 feet at the northernmost outcrop 

contained 0.8 percent copper and 3.4 ppm silver (Map no. 23.1, samples 279-280). A 1.0-footlong sample across the most mineralized part of the middle outcrop contained 3 .0 percent copper 

and 3.4 ppm silver (Map no. 23.1, sample 269). A 1.3-foot-long sample across the southernmost 

outcrop contained 1.1 percent copper and 2.8 ppm silver (Map no. 23.1, sample 513). A 0.4-

foot, high-grade sample from the northernmost outcrop contained 7 .1 percent copper and 9 .9 

ppm silver (Map no. 23.1, sample 109). 

At the Salt Chuck Zinc location, silicified schist hosts narrow, conformable quartz veins. One of 

these veins, 0.5 feet thick, contains blebs and bands of pyrite and sphalerite. A sample across it 

contained 5,898 ppm zinc (Map no. 23.2, sample 115). A 1.2-foot sample across adjacent 

pyritized, silicified schist did not contain significant metal values (Map no. 23.2, sample 114). 

A 0.075-foot-thick vein in the vicinity contained 2.3 percent zinc (Map no. 23.2, sample 9647). 

Conclusions 

The Salt Chuck prospect is hosted in Devonian rocks (Karl, and others, 1999) instead of the 

Triassic rocks that are known to contain numerous significant volcanogenic massive sulfide 

deposits in the Duncan Canal area. However, the conformable character and extent of the sulfide 

mineralization suggests volcanogenic massive sulfiqe origins. The prospect has been sufficiently 

explored by shallow drilling to preclude a significant near-surface deposit. It would be of interest 

to recheck the Amoco map where a 16-foot-wide zone averaging 6.3 percent copper is described 

(Amoco Minerals Company, 1979). The wilderness land designation covering the Salt Chuck 

prospect prohibits exploration and mining in the immediate area. 

55 
PORTAGE CREEK 

(Plate 1, Map nos. 24.1-24.2) 

Location/ Access 

The Portage Creek prospect is situated on Portage Mountain, east of the head of Duncan Canal 

on Kupreanof Island. It is about 12 miles northwest of Petersburg and lies within the Petersburg 

Creek-Duncan Salt Chuck Wilderness area. The prospect is located at an elevation of about 

400 feet on the west side of Portage Mountain. Mineralized rock is found mainly on the north 

side of a small creek that flows west-southwest. The slopes of the mountain extend from sea level 

to an elevation of over 3,600 feet. The area is covered by conifer forest. Access is easiest by 

helicopter to a muskeg north of the creek exposure; however, helicopter access is restricted due 

to the area's wilderness designation. Overland access is possible from North Arm on Duncan 

Canal. 

History 

Several authors have written about prospects that were active in the early 1900's on the west side 

of Portage Mountain. Review of the early reports indicates that at least two different prospects 

are described, one now called "Portage Creek" and the other called "Portage Mountain Group." 

The Portage Creek prospect refers to sulfides in homblendite; the Portage Mountain Group refers 

to gold in quartz veins. Two other names are associated with prospects in the area, the Portage 

Mountain Mining Co_. and the Portage Bay Copper Co. (Wright, 1907; Roehm, 1945). Both of 

these ai:e believed to be associated with the Portage Mountain Group prospect; however, this 

prospect was not examined by BLM personnel in 1997 or 1998, and it is not included in this 

interim report. 

The date of discovery of Portage Creek is unknown. Buddington (1923) reports opencuts on the 

Silver Star claim in 1921, which along with the Silver King claim, made up the 2-claim block in 

the area. No other development has_taken place at the prospect. 

Mineral Assessment 

The mineralized rock at Portage Creek consists of seruns and disseminations of sulfides in 

hornblendite that appears to be a magmatic segregation from the dioritic country rock in the area. 

An Upper Cretaceous mafic intrusive has been mapped in the area and described as quartz 

monzodiorite to diorite (Brew and others, 1984). 

Mafic segregations with sulfides are exposed in Portage Creek between about 360 and 480 feet in 

elevation. In this area, at least five outcrops of hornblendite or hornblende diorite with 

disseminated pyrrhotite, pyrite, and chalcopyrite can be found. Three are on the north side of the 

creek, and two are on the south side. The rock is commonly green-gray to black, coarsely 

crystalline with prominent phenocrysts of hornblende and biotite. Much of the hornblende-rich 

rock deteriorates upon weathering and crumbles easily. 

56 
The largest outcrop of mineralized rock is exposed along the north bank of the creek at an 

elevation of about 450 feet. Poorly indurated, hornblendite is bounded by hornblende diorite and 

exposed for about 60 feet along the creek bank. The homblendite is cut by partially assimilated 

dikes of diorite and broken basalt dikes. Foliation in the homblendite strikes west to northwest 

and dips steeply. Veinlets and stringers of pyrite and pyrrhotite up to 1 inch thick are common in 

the homblendite and make up about 5 percent of the rock. Copper staining indicates the presence 

of copper minerals, but they likely make up less than 1 percent of the hornblendite. 

BLM personnel collected 17 samples from the outcrops along Portage Creek (Map nos. 24.1-

24.2). All of them indicate the presence of minor amounts of copper, and some contained·a 

trace of platinum and palladium, but little else. Seven samples were collected from the main 

outcrop on the northwest side of Portage Creek, where the highest copper values were found 

(Map no. 24.1, samples 138-141, 2367-69). Samples ranged up to 4,666 ppm copper over 15 

feet (Map no. 24.1, sample 139) and 2,597 ppm copper over 40 feet (Map no. 24.1, sample 

2367). Ten samples collected from other sulfide-bearing outcrops below the main one on Portage 

Creek indicate lower copper values. Of these, a grab sample yielded the highest copper value of 

925 ppm (Map no. 24.1, sample 62). The highest platinum value was 39 ppb (Map no. 24.1, 

sample 9600), and the highest palladium value was 59 ppb (Map no. 24.2, sample 136) over 18 

and 27 feet respectively. 

Conclusions 

The deposit at Portage Creek appears to be a magmatic segregation of sulfides from the mafic 

portion of an intrusive mass. Although sulfide mineralization is exposed for a large distance along 

Portage Creek, the precious- and base-metal values are low. In addition, the area is covered by a 

wilderness designation, which prohibits mineral development. 

57 
Location/ Access 

TAYLOR CREEK 

(Plate 1, Map nos. 25.1-25.2) 

The Taylor Creek prospect is located near the head of Duncan Canal, 16 miles west of 

Petersburg. The prospect is exposed in Taylor Creek (about 1.5 miles upstream from tidewater) 

and on a small knoll to the north. The topography of the area consists of low hills covered by 

brush, timber, and muskeg flats. The outcrop in the creek lies at an elevation of about 160 feet; 

the outcrop on the knoll to the north, at about 400 feet. Access by helicopter is easiest; however, 

boat access to the mouth of Taylor Creek is possible at high tide. 

History 

Claims were first located at Taylor Creek in 1903 (Kerns, 1950) or 1904 (Wright and Wright, 

1908). Early development to expose mineralized rock consisted of a 30-foot trench (Wright and 

Wright, 1908). Additional claims were staked in the area in 1912 (Alaska Kardex, 1982), but the 

trench remained the only development on the property until the 1940's (Kerns, 1950). 

In 1946, six claims were staked over the property, and a few small pits were excavated (Kerns, 

1950; Alaska Kardex, 1982). In 1948 the Bureau of Mines cut 280 feet of trenches and drilled 

770 feet of core in four holes to evaluate the property (Kerns, 1950). 

No published work has been accomplished at Taylor Creek since the 1940's. It has been 

investigated briefly by various workers, more as part of an inventory than an investigation of 

mineral potential (e.g., Grybeck and others, 1984; C.D.Taylor, written commun., 1998). In 1997 

Kennecott Exploration, Inc., staked a block of claims that covered the Taylor Creek prospect, but 

results of its investigation have not been released to the public. 

Mineral Assessment 

The Taylor Creek prospect is ·hosted by dolomite that has been included in a unit of 

undifferentiated Hyd Group rocks of Triassic age (Karl and others, 1999). Units in the area strike 

to the northwest and dip to the northeast. Regional structures include broad, open folds with 

northwest-oriented axes and southwest-verging thrust faults (Karl and others, 1999). 

)3ecause of the detailed evaluation, including mapping, trenching, and drilling by the Bureau of 

Mines at Taylor Creek, BLM personnel restricted their investigation to corroborating the 

published geology and sample results. The following geologic description is taken from Kerns 

(1950, pp. 4-5): 

The deposit was found to occur as patches that appear to replace the dolomitic 

limestone. The patches of mineralization are small, irregularly shaped, and 

distributed and do not occur in any recognizable pattern. The mineralized sections 

of the dolomitic limestone are better cemented and more blocky than the 

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surrounding broken and fractured dolomitic limestone. The patches of minerals 

range from 2 to 12 feet in width and 4 to 10 feet in length. 

The deposit consists of a dissemination of galena and sphalerite associated with 

much pyrite and some marcasite. Pyrite is the predominant mineral, and the 

greatest amount of galena and sphalerite occurs where there is an abundance of 

pyrite. 

Very little sulfide was found in the gray-banded limestone that appears to underlie 

the buff dolomitic limestone or in the greenstone that appears to underlie the graybanded limestone. 

The four Bureau of Mines drill holes at Taylor Creek ranged in length from 66 to 291 feet. The 

best intercept was 5 feet of 0.8 oz/ton silver, less than 0.1 percent lead, and 2.5 percent zinc. The 

highest lead value was in a 3-foot intercept of 0.6 percent lead, 0.5 oz/ton silver, and 0.35 percent 

zinc. Surface samples that were cut across patches of mineralized rock exposed in the trenches 

north of Taylor Creek had higher values. Results include: 9 feet of 0.5 oz/ton silver, 0.7 percent· 

lead, and 4.3 percent zinc and 12 feet of 1.0 oz/ton silver, 0.45 percent lead, and 1.4 percent zinc 

(Kerns, 1950). · 

BLM personnel collected seven samples from outcrops, trenches·, and dumps at Taylor Creek. 

The best samples include 0.7 feet at 25.9 ppm silver, 7.72 percent lead, and 6.9 percent zinc (Map 

· no. 25 .1, sample 53 ), a select sample with greater than 500 ppm silver, 7,217 ppm lead, and 2.1 

percent zinc (Map no. 25.1, sample 54), and a grab sample of gossan that returned 903 ppb gold, 

160 ppm silver, 9.69 percent lead, and 3.0 percent zinc (Map no. 25.1, sample 226). Several 9f 

the Taylor Creek samples also had elevated concentrations of arsenic, barium, and mercury. 

The results of the Bureau of Mines drilling indicated the lack of an ore body at Taylor Creek, so 

no attempt was made to estimate tonnage and grade (Kerns, 1950). H.M. Fowler, a mining 

engineer with the Alaska Territorial Department of Mines, suggested that a lack of trenching prior 

to the drilling caused the Bureau of Mines to misplace their drill sites, which resulted in the 

agency's failure to adequately evaluate the mineralized zone (Fowler, 1948). No additional 

published work has been done at Taylor Creek, so the presence of an ore body is still in question. 

Conclusions 

The extensive work done by the Bureau of Mines at Taylor Creek, as well as the work of others, 

suggests only a minor potential for a significant deposit at the site. The replacement nature of the 

mineralized rock at Taylor Creek is similar to that in other places in the Stikine area, e.g., 

Cornwallis Peninsula. Although the replacement-type mineralization may be related to the VMS 

deposits in the area, it seems to have less mineral development potential than the bedded VMS 

deposits. 

59 
INDIAN POINT 

(Plate 1, Map no. 26) 

Location/ Access 

The Indian Point occurrence is located in the intertidal zone near Indian Point, about 14 miles 

west-southwest of Petersburg. Access to the prospect is by boat. 

History 

Four lode claims were staked at Indian Point in 1977 (Alaska Kardex, 1982). No other published 

reference to the site is known. r 

Mineral Assessment 

The Indian Point prospect is hosted in Mesozoic phyllite and slate near its contact with Mesozoic 

gabbro (Brew, 1997j). 

The BLM's examination revealed a 0.15-foot-thick, silicified pyrite band conformably hosted in 

sericite schist. Foliation in the schist strikes 350° and dips 32° to the east. The band is exposed· 

through beach gravel in the intertidal zone for about 10 feet. Samples collected from the band 

contained up to 187 ppb gold (Map no. 26, samples 50, 224 ). 

Conclusions 

The sulfide occurrence at Indian Point is of very limited extent and contains low base- and 

precious-metal values. As a consequence, this area is unlikely to attract mineral exploration 

interest. 

60 

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Location/ Access 

WEST DUNCAN 

(Plate 1, Map no. 27) 

The West Duncan prospect is located on the west side of Duncan Canal about 16 miles southwest 

of Petersburg. Situated near the intertidal zone at the mouth of a creek 2 miles north of Castle 

River, West Duncan is accessible by helicopter, float plane, or boat; however, float plane and boat 

access are inhibited by tidal mud flats that extend for over a mile. 

History 

Grybeck and others (1984) first described mineralized rock at the West Duncan prospect, but they 

called it the "Castle River." The same location was called the "Halobia" in 1998 (Grybeck and 

Berg, 1998). Pacific Alaska Resources Co. has a large block of claims covering the West Duncan 

prospect. This company had a plan of operations filed with the Forest Service to drill up to 12 

holes during 1998 and again in 1999. To the authors' knowledge, these plans were never carried 

out. 

Mineral Assessment 

The West Duncan prospect is hosted in Mesozoic phyllite and slate (Brew, 1997). The rocks at 

this site are almost certainly Triassic Hyd Group strata (Grybeck and Berg, 1998). 

USGS' investigators describe upper Triassic phyllite hosting zones 9' to 12 feet wide by 90 to 

120 feet long containing lenses of massive sulfides up to 0.75 feet wide and 3 feet long. Grab 

samples from these sulfide lenses contained up to 100 ppm copper, 100 ppm silver, and 

1,000 ppm arsenic (Grybeck and others, 1984; Grybeck and Berg, 1998). 

:rhe BLM's examination of the West Duncan prospect revealed bands of disseminated to massive 

sulfides up to 1.5 feet thick hosted in carbonaceous and silicified phyllite. These bands strike 

about east-west; dip 50° to the south; conform to foliation in the phyllite; and contain pyrite, 

sphalerite, and galena. They are exposed across the creek bed for distances of up to 40 feet. 

Cover obscures the bands on either side of the creek. Samples across the bands contained up to 

30.8 ppm silver, 5,400 ppm lead, and 5.4 percent zinc (Map no. 27, samples 2622, 9645). 

Conclusions 

The West Duncan prospect is likely Triassic in age and is characteristic of volcanogenic massive 

sulfide deposits in the Duncan Canal area. These factors make the area an attractive exploration 

target. 

61 
Location/ Access 

KUPREANOF PYRITE 

(Plate 1, Map no. 28) 

The Kupreanof Pyrite prospect is located in the intertidal zone on the west side of Duncan Canal, 

about 1.3 miles north of Castle River. It is about 16 miles southwest of Petersburg. The 

intertidal area is covered with beach grass and kelp. Farther inland, brush, timber, and secondgrowth timber cover the gently to moderately sloping topog~aphy. Access is possible by boat, 

float plane, or helicopter; however, over a mile of tidal mud flats can cause problems for access by 

boat and float plane. 

History 

In 1921 Buddington (1923) noted a 4-foot-thick by 50-foot-long pyrite zone exposed near the 

high-tide line at the Kupreanof Pyrite prospect. Grybeck and others ( 1984) describe a similar 

zone. 

Pacific Alaska Resources Co. has a large block of claims covering the Kupreanof Pyrite area, and 

the company had a plan of operations filed with the Forest Service in which it proposed to drill up 

to 12 holes during 1998. A representative of Pacific Alaska Resources Co. indicated that 

mapping, soil sampling, geophysics, and trenching were done at a location about 1 mile west of 

the Kupreanof Pyrite prospect. Soil sampling revealed significant anomalies, and trenching 

·• revealed a large gossan (Barry Hoffman, oral commun., 1999). 

Mineral Assessment 

! [ 

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The Kupreanof Pyrite prospect is hosted in Mesozoic phyllite and slate (Brew, 1997j). The rocks I 

at this site are almost certainly Triassic Hyd Group strata (Grybeck and Berg, 1998). 

Grybeck and others (1984) describe a I-mile-long zone offelsic metatuff that locally contains · I 

massive layers of pyrite at this location. Grab samples from massive sulfide zones up to several 

meters thick contained up tolO ppm silver, 700 ppm lead, and 350 ppm zinc (Grybeck and others, [ 

1984). 

The BLM' s examination of the Kupreanof Pyrite prospect revealed two lenses of pyrite about 6 [ 

feet thick that are exposed through kelp and sea grass near the high-tide line. Both lenses are 

conformably hosted in silicified phyllite and schist, ihe foliation of which strikes 035° and dips 42° · [ 

to 65° to the southeast. The lenses are separated by about 300 feet and align approximately along 

strike. A zone of disseminated pyrite extends between the lenses. Small amounts of sphalerite are 

found with the pyrite. Two 6-foot chip samples across the widest parts of the sulfide lenses 

contained up to 31.8 ppm silver, 1,304 ppm lead, 1.7 percent zinc, and 1,268 ppm arsenic (Map 

no. 28, samples 278, 9646). i [ 

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Conclusions 

The Kupreanof Pyrite occurrence is likely Triassic in age and is characteristic of volcanogenic 

massive sulfide deposits in the Duncan Canal area. These factors make the area an attractive 

exploration target. 

63 
Location/ Access 

CASTLE ISLAND MINE 

(Plate 1, Map nos. 29.1-29.3) 

The Castle Island Mine is located on a small island in Duncan Canal, 0.1 mile south of Big Castle 

Island and 14 miles southwest of Petersburg. The island is covered by a patented mining claim. 

The topography of the island is one of moderate relief, and the landscape is covered with thick 

brush. Access to the prospect is by boat, float plane, or helicopter. 

History 

The USGS noted the presence of barite on the Castle Islands in 1913 (Burchard, 1914). 

Recognizing the potential importance of associated base metals and gold, the Alaska Treadwell 

Gold Mining Co. staked the deposit in 1913. The claim was patented in 1929 (MS1452) as the 

Red Cliff Lode and subsequently sold to the Alaska Juneau Mining Co., which drilled the deposit 

for its barite and gold content in 1931. The gold and silver assays were low (Carnes, 1980; 

Williams and Decker, 1932). 

In 1966 the Alaska Barite Co. acquired claims at Castle Island and started mining an outcrop on 

the northeast end of the island. Between 1966 and 1969, the company mined 234,000 tons of 

barite from above the high-tide line (Carnes, 1980). In 1969 Inlet Oil Corporation acquired the 

claims and proceeded to mine barite below tidewater. But in 1975 the company declared 

bankruptcy, and the mine was purchased by Chromalloy American. From 1970 to 1980, the 

companies mined 552,888 tons of barite from an underwater, openpit operation. Drilling and 

blasting liberated the ore, which was recovered by a clam shell crane (Carnes, 1980). In 1980, 

with economic reserves exhausted, the mine closed, and by the next year, the mill and most of the 

camp were removed (Carnes, R.D., oral commun., 1995). By 1996 all mining equipment and 

signs of habitation had been removed from the island. The site is now overgrown with alder and 

brush. 

Mineral Assessment 

The Castle Island Mine is located in Upper Triassic Hyd Group rocks that are in contact with 

Devonian limestone and Quaternary basalt (Karl and others, 1999). Berg and Grybeck (1980) 

describe the deposit as a dismembered volcanogenic massive sulfide deposit. 

The Castle Island barite lens occupies a small syncline and has a strike of 330°.and a dip of 60° to 

the northeast. Its hanging wall consists of limestone and gray schist. The limestone is mostly 

massive, with abundant veinlets of white calcite. The gray schist is finely foliated with scattered 

veinlets of white calcite and abundant lenses of black chert. In places there is an abundance of 

conformable, fine-grained sulfides in thin layers. The footwall consists of graphite-carbonate 

schist that contains abundant lenses of white calcite and quartz and conformable, thin sulfide 

layers. The sulfides are pyrite, sphalerite, galena, chalcopyrite, and tetrahedrite. The barite is 

intercalated with the host rocks along both the hanging wall and footwall (Wiese, 1977; Carnes, 

1980; Williams and Decker, 1932; Burchard, 1914; Kazda, 1972; Berg and Grybeck, 1980). 

64 

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R.D. Carnes (oral commun.,1999) estimates that the interbedded barite and schist constitute 

several million tons of mineralized, low-grade rock. 

Most of the Castle Island barite lens has been mined. It was 300 feet long and 200 feet wide and 

extended from 35 feet above sea level to 130 feet below. The barite ore was massive, gray to 

white and 90 percent pure. It contained 5 percent silica and about 2 to 4 percent sulfides 

consisting of pyrite, pyrrhotite, sphalerite, galena, bomite, chalcopyrite, and tetrahedrite. Small 

amounts of magnetite, ilmenite, pyrolusite, and quartz were also present (Carnes, 1980; Williams 

and Decker, 1932; Burchard, 1914). Prior to mining, an analysis of the barite ore included 0.006 

oz/ton gold, 1.2 oz/ton silver, 0.05 percent copper, 0.60 percent lead, and 1.80 percent zinc 

(Williams and Decker, 1932). A more recent analysis returned 0.01 ppm gold, 1.05 ppm silver, 

0.04 percent copper, and 1.38 percent zinc (Carnes, 1980). 

By 1980 the deposit had been mined to a depth of about 90 feet below sea level. Carnes (oral 

commun., 1999) estimates that several irregularly shaped barite lenses at a depth of 60 feet below 

sea level are located to the north of the main ore body and that detrital barite material is lying 

offshore of the main lodes. In 1977 he inferred 390,000 tons of low-grade barite resources at a 

grade of 85 percent BaS04 and 315,000 tons of higher-grade barite resources (Carnes, 1980). 

Holdsworth (1980) at the request of Chromalloy American, estimated 69,600 tons of ore-grade 

material in 1980. (From 1977 to 1980, 35,000 tons of barite were mined from the Castle Island 

Mine.) 

The BLM' s examination consisted of sampling waste dumps on the small island where the mill 

was located. The dumps consist of barite with disseminated sulfides, barite with bands of sulfides, 

and grey schist with bands of barite and sulfides. Samples from these rocks contained up to 347 

ppb gold, 42.8 ppm silver, 518 ppm copper, 7,783 ppm lead, and 2.3 percent zinc, and greater 

than 2 percent barium (Map no. 29.1, samples 42-43, 46). 

Conclusions 

The Castle Island Mine was exhausted of economic reserves in 1980; although according to 

Carnes (1980) and Holdsworth (1980), some underwater barite resources remain. 

65 
EAST DUNCAN PYRITE 

(Plate 1, Map no. 30) 

Location/ Access 

The East Duncan Pyrite occurrence is exposed along a logging road on the east side of Duncan 

Canal, opposite Big Castle Island. The logging road is part of the Lindenberg Peninsula _road 

network, which is accessed from a pier at a site called "Tonka," on the west side of Wrangell 

Narrows. The occurrence is located 12 miles southwest of Petersburg. The area has moderately 

steep topography and is covered for the most part by conifer forest, except in places where clearcutting has occurred. The site can also be reached by helicopter or by taking a boat to Duncan 

Canal and then continuing on foot. 

History 

The location of a pyrite occurrence on the east side of Duncan Canal was mentioned to the BLM 

by USGS investigators. A petrographic report in the BLM files (Bureau Of Land Managem~nt, 

MAS) also contains a mention of pyrite-bearing rock exposed along a logging road on the east 

side of Duncan Canal. No other reference is known to exist in published literature. 

Mineral Assessment 

The East Duncan Pyrite occurrence is situated near the boundary between the Alexander terrane 

to the west and the Gravina Belt overlap sequence to the east (Silberling and others, 1994 ). 

Recent follow-up of airborne geophysical data (ADGGS, 1997a-m) from the Duncan Canal area 

by the USGS is likely to move the Alexander-Gravina contact farther to the east than previously 

thought (S.M. Karl, oral commun., 1998). Therefore, the East Duncan Pyrite prospect would lie 

in Alexander terrane rocks, within Brew and others' ( 1984) "Duncan Canal/Zarembo 

Island/Screen Island" sub-belt that hosts volcanogenic massive sulfide deposits in the area. The 

unit hosting the pyrite has been mapped as undifferentiated Mesozoic phyllite and slate (Brew and 

others, 1984; Brew, 1997). 

Medium to dark gray slate hosts the pyrite at the East Duncan Pyrite occurrence. The pyrite is 

medium- to fine-grained and occurs in layers, knots, and lenses that are generally parallel to 

foliation in the hosting slate. No sulfides other than pyrite were noted. The pyrite-rich zone is 

about 3 feet thick and exposed for about 10 feet along strike, beyond which it is covered by dirt 

and vegetation. Foliation in the slate strikes north to northwest and dips moderately to the, 

northeast. There is a sharp contact between the footwall slate and the pyrite-rich zone; foliation 

in the slate across this contact varies noticeably, indicating a possible fault. Above the footwall, 

the slate is more silicified; particularly where the pyrite is concentrated. The contact between the 

pyrite-rich zone and the hanging wall slate is gradational. 

BLM personnel collected three measured samples from the East Duncan Pyrite occurrence. They 

contained low precious- and base-metal values. The highest gold value was 9 ppb, highest silver 

was 2 ppm, highest copper was 98 ppm, and highest zinc was 244 ppm. Each of the samples 

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contained about half a percent barium and had elevated values of nickel (204 to 332 ppm) and 

chromium (113 to 122 ppm [Map no. 30, samples 2862, 3817-18]). 

Conclusions 

The mineralized rock at the East Duncan Pyrite prospect is limited in extent and has low metal 

concentrations. It is interesting, however, because it may be related to other VMS occurrences in 

the area. This would be the first indication of VMS-type mineralization on the east side of 

Duncan Canal. Alternatively, the possibility that a fault forms the footwall and that the pyrite is 

concentrated where silicification is most pronounced means that the mineralization may be 

secondary and not related to other VMS deposits in the area. Additional examination of the east 

side of Duncan Canal should be undertaken, while keeping in mind the potential for VMS 

mineralization. · 

67 
Location/ Access 

SPRUCE CREEK 

(Plate 1, Map nos. 31.1-31.3) 

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The Spruce Creek prospect is located on Lindenberg Peninsula near Forest Service road 6352, l-· 

10 miles south-southwest of Petersburg. The topography of the area ranges from gently sloping 

to moderately steep with elevations ranging from 400 to 1,000 feet. Vegetation consists of 

muskegs, dense brush, thick timber, and clear-cuts. Access to the prospect is by helicopter or by 

vehicle. (It is a 6-mile drive from the Tonka pier on the west side of Wrangell Narrows, which is 

about 6 miles south of Petersburg.) 

History 

Paul Pieper of Petersburg discovered and staked the Spruce Creek prospect in 1983. In 1992 

Westmin Resources Limited (Westmin) optioned the property and performed geophysical surveys 

along with mapping and sampling. Westmin dropped the property in 1993. Results of their work fhave not been made public. Paul Pieper drilled several shallow, small-diameter holes on the 

• property (oral commun., 1998). He currently holds 10 claims covering the prospect. 

Mineral Assessment 

The Spruce Creek prospect is hosted in Upper Cretaceous phyllite according to Brew (1997). 

Revised mapping in 1998 indicates th~ country rock in the area consists of Permian and 

Mississippian rocks of the Cannery Formation in fault contact with Triassic Hyd Group volcanic 

and sedimentary rocks (Karl and others, 1999). The rocks trend west to northwest and dip 

steeply to the east. 

The BLM' s examination revealed three areas of sulfide mineralization: one on the west side of 

;Forest Service road 6352 near a borrow pit (elevation 580 feet [Map no. 31.1]), another 2,500 

feet east-southeast of the borrow pit below a waterfall (elevation 480 feet [Map no. 31.2]), and 

the third 7,500 feet southeast of the borrow pit in a clear-cut (Map no. 31.3). 

The mineralized rock near the borrow pit consists of a 0.3-foot-thick quartz vein with sericite and 

chlorite conformably hosted in greenstone schist. The vein is exposed for several feet in a road 

cut but beyond that is covered. It strikes to the northwest and dips steeply to the northeast. 

Pyrite, galena, and sphalerite are found in the quartz and along partings in the schist. A sample 

across the vein contained 213 ppb gold, 1,690 ppm lead, and 4,163 ppm zinc (Map no. 31.1, 

sample 351). A 19-foot diamond drill hole was collared at this location in 1996 (Paul Pieper, 

oral commun., 1998). 

The mineralized rock near the waterfall is exposed on a steep face on the north side of the small 

creek that forms the waterfall. It consists of gray bands of fine sulfides hosted in limestone with 

bedding that trends northwest and dips steeply to the northeast. A 1 .4-foot sample across the 

sulfide bands containeq 416 ppb gold, 14.9 ppm silver, 820 ppm lead, and 5,221 ppm zinc (Map 

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no. 31.2, sample 407). Thirteen additional samples in this area contained no significant metal 

values (Map no. 31.2, samples 408-412, 2823-30). 

The mineralized rock in the clear-cut consists of a 4-foot-thick bed of marble hosted in greenstone 

that has been exposed by a cut. The marble strikes 300° and dips 55° to the north. A 0.4-foot 

band of the marble contains sphalerite and galena. A sample across this band contained 779 ppb 

gold, 59.1 ppm silver, 5.62 percent lead, and 2.1 percent zinc (Map no. 31.3, sample 421). 

Conclusions 

The three mineralized areas exposed on the Spruce Creek prospect are too small to attract 

development. Mapping in 1998 indicates that at least parts of the prospect are in Triassic rock 

(Karl and others, 1999), which hosts prospective deposits elsewhere in the Duncan Canal area. 

There is little rock exposed at the prospect, so much of it remains unexplored. Soil sampling and 

follow-up geophysics may point to more significant mineralized zones. 

69 
Location/ Access 

NICIRQUE 

(Plate 1, Map no. 32) 

The Nicirque prospect is located at an elevation of 2,300 feet, about 3 miles north-northeast of 

Pearl Island on the south side of Lindenberg Peninsula. It is about 11 miles south-southwest of 

Petersburg. The topographic relief in the area is moderate and covered with muskegs, dense 

brush, thick timber, and clear-cut areas. Access to the prospect is easiest by helicopter. Alternate 

access is by a combination of boat, vehicle, and foot (requiring a 6-mile drive from the Tonka 

pier, which is 6 miles south of Petersburg on Wrangell Narrows, and then a hike to the prospect). 

History 

Paul Pieper of Petersburg discovered, named, and staked this prospect in 1983 (oral commun., 

1998). There is no known mention of it in published literature. 

Mineral Assessment 

The Nicirque prospect is hosted in Permian and Mississippian rocks of the Cannery Formation 

that are in fault contact with Triassic Hyd Group volcanic and sedimentary rocks (Karl and others, 

1999). The owner reports a Triassic fossil location ori this prospect (Paul Pieper, oral commun., 

1998), so the mapped boundary between the Cannery and Hyd Group rocks may be subject to 

change. 

The mineralized rock at the prospect is reportedly a massive pyrite vein in a breccia zone (Paul 

Pieper_, written commun., 1998). The BLM's investigation was confined to collecting a 3.5-foot, 

representative chip sample of slate with pyrite bands near the reported location of the fossils. The 

sample contained 56 ppb gold, 2.6 ppm silver, and 333 ppm zinc (Map no. 32, sample 465). 

Conclusions 

The reported massive sulfide· location (Paul Pieper, oral commun., 1998) on this prospect is 

worthy of examination. 

70 

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SOUTHWEST DUNCAN 

(Plate 1, Map no. 33) 

Location/ Access 

The Southwest Duncan prospect is located at a borrow pit near sea level on the west side of 

Duncan Canal, south of Little Duncan Bay. It is about 18 miles south-southwest of Petersburg. 

Thick brush predominates in the area. Access to the prospect is by boat or helicopter. 

History 

Field maps generated during Amoco Minerals Co.'s 1978 to1979 investigation of the Duncan 

Canal area indicate copper in a borrow pit at the Southwest Duncan prospect (Zelinski, 1979?). 

There is no mention of this site in published literature. 

Mineral Assessment 

The prospect is hosted in Mesozoic greenstone and greenschist (Brew, 1997). Karl and others 

(1999) consider these rocks to be part of the Triassic Hyde Group. 

The BLM' s examination of the borrow pit and the shoreline in the Southwest Duncan area 

revealed greenstone containing small amounts of disseminated pyrite and chalcopyrite. Grab 

samples of rubblecrop from the more mineralized areas contained from 15 to 821 ppb gold, 

954 to 1,189 ppm copper, and 21 to 1,906 ppm arsenic (Map no. 33, samples 188-189, 9634-35). 

Conclusions 

The Southwest Duncan prospect is hosted by Triassic Hyd Group rocks that elsewhere in the 

Duncan Canal area host prospective VMS deposits. The combination of gold, copper, and arsenic 

in the greenstone along with the Triassic age makes the property interesting for exploration. 

71 
TB 

(Plate 1, Map no. 34) 

Location/ Access 

The TB prospect is located 3 miles northwest of Totem Bay on the south side of Kupreanof 

Island. It is about 30 miles southwest of Petersburg. Timber, muskeg, and thick brush 

predominate in the area. Access to the prospect is by helicopter. 

History 

A large block of claims was staked in the area in 1973 (Alaska Kardex, 1982), presumably by 

Resource Associates of Alaska (Bureau of Land Management, MAS). The USGS reports vivid 

exposures of orange-yellow, altered rhyolite in the area, which is indicative of a large, felsic, 

hydrothermal system (Grybeck and Berg, 1998). 

Mineral Assessment 

The TB prospect is hosted in a thick sequence of Quaternary-Tertiary rhyolite (Brew, 1997). The 

USGS reports locally disseminated pyrite, but no evidence of other ore minerals (Grybeck and 

Berg, 1998). 

The BLM' s examination was confined to a few hours of walking along a creek bed examining 

rusty, red-yellow rhyolite that extends for many miles in the area. In places, the rhyolite contains 

numerous quartz vugs, chalcedony, and green and red jasper. A grab sample of silicified, 

brecciated, pyrite-bearing rhyolite contained 425 ppm zinc (Map no. 34, sample 2626). 

Conclusion 

There is insufficient information about the TB prospect to reach a definitive conclusion about its 

mineral potential. Although no evidence of ore minerals has been found yet, the extent of the 

altered zone encourages further examination of the area. 

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Location/ Access 

MONONGEHELA 

(Plate 1, Map no. 35) 

The Monongehela claims are located on the west side of Little Totem Bay on the south side of 

Kupreanof Island. They are about 31 miles southwest of Petersburg. Thick brush and heavy 

timber predominate in the area. Access to the prospect is by boat. 

History 

The Totem Bay area was examined in 1952 by Houston and others (1958) to determine if 

radioactive veins similar to those found'on northern Prince of Wales Island extend farther north 

onto Kupreanof Island; no such veins were found. Nonetheless, nine claims were later staked in 

the Little Totem Bay area in 1955 that reportedly covered a radioactive mineral potential (Alaska 

Kardex, 1982), but no subsequent activity has been reported. 

Mineral Assessment 

The Monongehela prospect is hosted in Quaternary-Tertiary rhyolite (Brew, 1997g). These 

volcanic rocks are part of a large package of Quaternary· and Tertiary, predominantly extrusive, 

igneous rocks that cover the southwest part of Kupreanof Island (Brew and others, 1984). 

Houston (1958) mentions finding 0.003 percent equivalent uranium in andesite on the west shore 

·· of Little Totem Bay in 1952. BLM scintillometer surveys of the same area revealed a 3-foot by 3-

foot zone of rhyolite at the tide line that is about 60 percent above background radiation. A 

sample across this zone contained 7 ppm uranium, 17 ppm thorium, 43 ppm neodymium, 38 ppm 

lanthanum, and 110 ppm cerium (Map no. 35, sample 181). 

Conclusions 

The low uranium/rare-earth values at Little Totem Bay discourage exploration for such deposits 

in the area. 

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74 
WOEWODSKI ISLAND 

Property name ............... Figure 3, Map no. 

Scott .............................. 36.1-36.2 

Lost Show ............................... 37 

Helen S Mine ....................... 38.1-38.1 

Harvey Creek ............................. 39 

Maid of Mexico Mine ...................... 40 

East of Harvey Lake . . . . . . . . . . . . . . . . . . . . . . . 41 

Mad Dog 2 ......................... 42.1-42.2 

Fortune .................................. 43 

Hattie ................................... 44 

Brushy Creek ............................. 45 ,-

75 
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38.2 

1:31,680 

0 0 (] . BIG SALTER 

I. 

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WoEWObSKI ISLAND 

0.5 0 0.5 

Miles 

Base map modified from U.S.G.S. 1:250,000 scale quadrangle (Petersburg} 

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(..,J ...,_ _______________________________ ...,... ________________ ~G: 

Figure 3. - Map of Woewodski Island showing prospects and sample locations 
SCOTT 

(Figure 3, Map nos. 36.1-36.2) 

Location/ Access 

The Scott prospect is located at an elevation of 700 feet in the north-central part of Woewodski 

Island. It is about 16 miles south of Petersburg in an area of the island that is moderately steep, 

with brush and timber cover. The prospect is located in a steep gulch on the east side of the 

highest point on W oewodski Island and can be accessed by helicopter using a muskeg to the 

northwest as a landing site. 

History 

The Scott prospect was staked during the 1970's and early 1980's, as was most of the northern 

part of Woewodski Island. Cominco, Colony Pacific, Amselco, Kennecott, Houston 

International Minerals, and Westmin Resources were all active in the area sometime between 

1978 and 1998. During the late 1980's and early 1990's, soil sampling and diamond drilling 

(about 3 holes) were used to evaluate the Scott prospect (J. McLaughlin, C. Rockingham, oral 

commun., 1998). The claims are currently active. 

Mineral Assessment 

The Scott prospect is located in semischist and phyllite (Brew 1997j). According to Karl and 

others (1999), these are Triassic Hyd Group rocks. Maps by Houston International Minerals 

indicate that the area bedrock consists predominately of rhyodacite with some andesite and basalt 

(Houston International Minerals, 1980). 

The BLM' s investigation of the Scott prospect revealed a steep-walled gulch that contains 

massive bands/lenses and disseminations of sulfides. The gulch, formed by a shear zone that 

appears to conform to the grain of the country rock, trends 075°. The banding and schistosity 

trend in a similar direction and dip from 65° to 90° to the southeast. The BLM identified basemetal sulfides and barite at scattered locations from elevations of 710 to 755 feet over a strike 

distance of 300 feet. Examination of the gulch to the east (down the gulch) failed to reveal 

additional mineralized rock. Muskeg, heavy brush, and timber cover the mineralized rock to the 

west and provide few outcrops. 

The most significant mineralized rock is confined to massive barite, pyrite, galena, and sphalerite 

bands from 0.1 to 2.0 feet thick. These sulfide bands are found at scattered locations in lengths 

up to 30 feet. They occur in about 60 linear feet of the 300 feet mapped. Twenty-two samples 

were collected from these bands. They contained up to 1,122 ppb gold, 47.3 ppm silver, 2.63 

percent lead, and 40.9 percent zinc (Map no. 36.2, samples 329, 336, 9679). Sphalerite is the 

predominate sulfide. The highest zinc value, 40.9 percent, was confined to a 0.3-foot width in the 

hanging wall of a 1.0-foot-thick lens (Map no. 36.2, sample 329). A 0.7-foot-long sample at the 

same location contained only 14.2 percent zinc (Map no. 36.2, sample 326). Samples from the 

bands/lenses also contained up to 56.35 percent barium (Map no. 36.2, sample 331 ), greater than 

2,000 ppm cadmium, and greater than 50 ppm mercury (Map no. 36.2, sample 329). Samples of 

79 
the schist hosting disseminated sulfides contained from 214 ppm to 1.5 percent zinc (Map no. 

36.2, samples 327, 333, 338-339, 341, 343, 9672, 9680). 

Reconnaissance investigations 1,000 feet north of the Scott prospect revealed rubblecrop .of pale 

gray, silicified volcanics with sphalerite. A representative chip sample of the rubblecrop contained 

1,449 ppb gold, 12.6 ppm silver, 2,559 ppm lead, 1.3 percent zinc, and 13.6 percent barium (Map 

no. 36.1, sample 9682). 

Conclusions 

The apparent conformity of the bands and lenses of sulfides with the grain of the country rock is 

permissive of a volcai:iogenic origin for the Scott deposit. Later shearing resulted in the 

truncation of some mineralized bands. Although the bands are too scattered, narrow, and lowgrade to be considered for development, sufficient mineralized rock is exposed to warrant further r 

exploration in the vicinity. 

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LOST SHOW 

(Figure 3, Map no. 37) 

Location Access 

The Lost Show prospect is located on the northwest side of W oewodski Island, about 16 miles 

south-southwest of Petersburg. The topography is gently sloping, with brush, timber, and muskeg 

covering the area. Access to the property· can be gained by float plane or boat to the Helen S 

Mine (Map no. 38), and from there, a trail leads across private property to the northeast side of 

Lost Lake and the Lost Show prospect. Alternate access is by helicopter. 

History 

Most of the northwestern part of Woewodski Island was staked during the late 1970's and early 

1980's. Cominco, Colony Pacific, Amselco, Kennecott, and Westmin Resources were all active in 

the area sometime between 1978 and 1998. A number of area prospects were examined through 

soil sampling, geophysical surveying; and diamond drilling (J. McLaughlin, oral commun., 1998). 

The Lost Show prospect was discovered by Cominco geologists in 1985. Between 1986 and 

1988, Amselco, in partnership with Cominco, drilled 16 shallow holes there. In 1993 Westmin 

entered into a partnership with Amselco and in 1996 carried out a program of mapping, soil 

sampling, JP geophysical surveying, and prospecting of both the Lost Show site and the area 

between it and the Scott prospect (Map no. 36). The IP survey failed to detect the Lost Show 

mineralization. In 1998 Westmin announced a "geological reserve'' for the Lost Show prospect 

(Terry, 1998). Boliden Ltd. acquired the property in its take-over of Westmin and continues to 

maintain active claims at the site. 

Mineral Assessment 

The Lost Show prospect is located in the Upper Triassic Hyd Group (Karl and others, 1999) 

that consists of felsic and intermediate volcanic flows and breccia, limestone, and argillite (Brew, 

1997j). Rocks exposed at the prospect consist of tan schists ·that have been identified by Westmin 

geologists as meta-andesite (Terry, 1998). Studies and analysis by Newberry and Brew (1997) 

indicate that the "andesite" is actually an altered, more mafic rock, likely a metabasalt. 

Based on 16 shallow drill holes and surface outcrops, Westmin published a "geological reserve" 

(resource) for the Lost Show prospect of approximately 500,000 tons grading 8.1 percent zinc, 

0.6 percent lead, and 2.5 oz/ton silver (Terry, 1998). Information on the drilling was not made 

available for this study. 

The BLM' s investigation revealed three mineralized outcrops· or cuts, roughly aligned along a 

strike of 072°. The mineralized rock is approximately conformable to the grain of the host 

metabasalt and dips steeply. The first (No. 1) outcrop/cut is located at the edge of Lost Lake, the 

second (No. 2) is located 90 feet (at 072°) from the first, and the third (No. 3) is located 200 feet 

(at 072°) from the first. The area surrounding the outcrops/cuts is covered with muskeg, brush, 

and timber. 

81 
The No. 1 outcrop or cut exposes a 5-foot-thick, steeply dipping, massive sulfide band hosted in 

tan-weathering schist. The sulfides are pyrite, galena, and sphalerite. A 4.4-foot chip sample 

across part of the zone contained 153.8 ppm silver, 5,519 ppm lead, and 11.5 percent zinc (Map 

no. 37, sample 198). A 0.6-foot sample across the remainder of the zone gave similar results 

(Map no. 37, sample 197). At outcrop No. 2, two narrow sulfide bands dip 64° to the south and 

contain pyrite, galena, and sphalerite. They are hosted in the same tan-weathering schist as 

outcrop No. 1. A 7.5-foot sample across this outcrop assayed 83.9 ppm silver, 5,180 ppm lead, 

and 4.5 percent zinc (Map no. 37, sample 9639). The No. 3 outcrop or cut exposes brownweathering schist that hosts a steeply dipping, LI-foot-thick band of sulfides. This band assayed 

282 ppm silver, 2.79 percent lead, and 24.2 percent zinc (Map no. 37, sample 9697). These 

sample results correlate well with Westmin's reserve (resource) grades of 2.5 oz/ton ·silver, 0.6 

percent lead, and 8.1 percent zinc (Terry, 1998). 

Conclusions 

The Lost Show has sufficient indications of grade and extent to be a prospective target for 

exploration, both down dip and along strike. The general vicinity, particularly the area between 

the Lost Show and the Scott (Map no. 36), is also a prospective exploration area. 

82 
HELENS MINE 

(Figure 3, Map nos. 38.1-38.2) 

Location/ Access 

The Helen S Mine is located on the northwest side of Woewodski Island, about 17 miles southsouthwest of Petersburg. The mine is located on patented mining claims (MS 614) that extend 

from tidewater to an elevation of 300 feet. The topography is gently sloping. Brush, old-growth, 

and second-growth timber cover the claims. Access to the property can be gained by boat, float 

plane, or helicopter. Trails lead from the beach to the mine workings. A private cabin is located 

on the beach in the southwest comer of the claims. 

History 

The Helen S claim group was first staked in 1902 by the Olympic Mining Co (Wright and Wright, 

1908). These claims, staked on gold-bearing quartz veins 5 to 15 feet thick, were surveyed for 

patent in 1904 (Wright and Wright, 1905). By 1907 improvements to the claims included a 

twenty-stamp mill, a 100-foot shaft, another shaft located 400 feet to the north, 650 feet of drifts 

and crosscuts, and several opencuts. A small test run had also been processed in the mill, and the 

gold values were reported as principally confined in the ·concentrate (Wright and Wright, 1908). 

Shortly after 1915, the surface improvements were dismantled, and the property abandoned (Berg 

and Cobb, 1967). In 1945 J.C. Roehm examined the property for the Alaska Territorial · 

Department of Mines. He reported vegetation _covering most of the mineralized areas. He also 

·· reported the ore that was milled averaged $3.66 per ton (gold at $35/oz). A sample collected 

from pyritized schist assayed 0.06 oz/ton gold and 0.2 oz/ton silver (Roehm, 1945). 

Mineral Assessment 

The Helen S Mine is located in the Upper Triassic Hyd Group (Karl and others, 1999) and 

consists of felsic and intermediate volcanic flows and breccias, limestone, and argillite. On the 

northwestern part of the property, hornblende diorite intrudes the volcanic flows (Brew, 1997j). 

The gold-bearing veins at the Helen S Mine are hosted in greenstone schist. The schistosity of the 

metavolcanic rocks strikes north-south and dips 70° to the east. The quartz veins strike northeast, 

dip vertically, and contain galena, pyrite, and sphalerite (Wright and Wright, 1905). A 

disseminated lode about 40 feet wide and at least 1,000 feet long (Berg and Cobb, 1967) strikes 

north-south and dips 50° to the east. This is describ~d as the principal deposit. It consists of a 

belt of schist that is mineralized with quartz-calcite stringers and small masses and disseminations 

of pyrite, galena, and sphalerite. A shaft was reportedly sunk on this zone (Wright and Wright, 

1908; Berg and Cobb, 1967). Historic references regarding the development and production from 

the Helen S Mine are confused with the nearby Maid of Mexico Mine (Figure 3, Map no. 40) and 

Hattie prospect ( Figure 3, Map no. 44) and are not completely clear. 

A lineament occupied by a creek extends north-south across the Helen S Mine patented claims. 

Some parts of the lineament may be man-made as the result of excavation. The location of each 

83 
working is described according to its position along this south-flowing creek, i.e., the distance 

from the mouth of the creek at the beach to each location. 

The BLM' s examination of the Helen S Mine was confined to exposures in trenches, pits, and the 

tops of caved or flooded shafts. The examinations revealed mill ruins 150 feet from the beach, 

and two shafts located 400 feet (the southern shaft) and 640 feet (the northern shaft) up the creek. 

There are tailings in the intertidal zone, and a 120- by 150-foot dump is located north of the mill. 

The southern shaft is caved about 10 feet from the collar and does not expose bedrock. The 

northern shaft is flooded, with the water level about 10 feet below the collar. Pits and trenches 

are located at distances of 150,470, 750, and 1,100 feet up the creek. 

BLM personnel collected 28 samples from the workings at the Helen S Mine. Twenty-five of 

these contained below 152 ppb gold. Three contained from 4,248 ppb to 0.328 oz/ton (11,246 

ppb) gold (Map no. 38.1, samples 30, 36, 213). The lowest-grade of the three, which contained 

4,248 ppb gold, was a grab sample of slightly iron-stained, silicified schist collected from the 

trench located 1,100 feet up the creek (Map. no. 38.1, sample 36). Another sample from the 

same location contained only 11 ppb gold (Map. no.38.1, sample 381). At the shaft 640 feet up. 

the creek, a 1.5-foot-thick quartz vein contained 0.328 oz/ton gold (Map no. 38.1, sample 30). 

The 1.5-foot vein is exposed in the east and west walls of the shaft, but is covered along strike. A 

grab sample of quartz from the shaffs dump assayed 4,536 ppb gold (Map no. 38.1, sample 213). 

Additional elements found in the three highest-grade gold samples include silver up to 22.7 ppm, 

copper up to 570 ppm, lea~ up to 795 ppm, zinc up to 1,042 ppm, and arsenic up to 1,471 ppm. 

Mill tailings samples did not contain detectable gold, but did contain up to 16.5 ppm silver, 1,888 

ppm lead, 1.4 percent zinc, and 371 ppm arsenic (Map no. 38.1, samples 40-41). 

A sample collected from a 0.1-foot-thick quartz vein, located about 1,000 feet south of the Helen 

S Mine, contained 3,878 ppb gold and 3,494 ppm arsenic (Map no. 38.2, sample 281). This vein 

is located on the beach and can only be traced for a few feet. 

The highest silver, lead, and zinc values were found in the pit located 470 feet up the creek and in 

a trench and adjacent cut located 750 feet up the creek. The lower pit exposes a massive sulfide 

lens hosted in greenstone/greenstone schist in its south wall. The lens, or zone, strikes about 340° 

and dips 30° to the southeast. It is exposed for about 10 feet and grades from massive sulfides to 

silicified schist with about 10 percent sulfides. The sulfides consist of pyrite, galena, and 

sphalerite. A 1.6-foot sample across the massive sulfide zone contained 65 ppm silver, 9,560 ppm 

lead, and 2,540 ppm zinc (Map no. 38.1, sample 382). A sample across a 0.7-foot-thick part of 

the lens contained 3,078 ppm lead and 3.0 percent zinc (Map no. 38.1, sample 383). Select 

samples from the dump and of flyrock in the vicinity contained from 38.9 to 113.5 ppm silver, 

from 7,539 ppm to 2.5 percent lead, and from 4.0 to 5.4 percent zinc (Map no. 38.1, samples 32, 

215, 9642). 

The trench and cut located 750 feet up the creek exposes silicified zones containing pyrite, galena, 

and sphalerite hosted in brecciated schist and slate. The silicified zones trend 004 °, 64 ° east and 

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015°, 54° east. A sample 0.9 feet long taken across one zone contained 1.78 oz/ton silver, 1.09 

percent lead, and 12.8 percent zinc (Map no. 38.1, sample 9565). Dump and rubblecrop samples 

collected in the vicinity contained up to 2.13 oz/ton silver, 1.74 percent lead, and 8.5 percent zinc 

(samples 38-39, 2359, 9700). 

The BLM's sampling indicates that gold is not associated with the base-metal, massive sulfide 

zones exposed at the Helen S Mine. Gold is confined to narrow quartz veins. Arsenic is more 

directly associated with the gold-bearing veins than the base-metal sulfide zones. 

Conclusions 

Surface sampling is insufficient to evaluate reports of gold and base-metal mineralized rock at the 

Helen S Mine. Early reports were apparently based on owner reports and underground exposure 

of the mineralized rock. The BLM's surface examination failed to identify the 40-foot-wide by 

1,000-foot-long zone of base-metal or gold mineralization referred to by Berg and Cobb (1967). 

85 
HARVEY CREEK 

(Figure 3, Map no. 39.1-39.2) 

Location/ Access 

The Harvey Creek prospect is located on the northwest side of W oewodski Island, 19 miles 

south-southwest of Petersburg. It is situated along the 0.5-mile-long creek that drains Harvey 

Lake to the west. Although the banks of the creek are steep in places, the area topography is 

gently sloping, with thick brush and timber cover. A Forest Service trail crosses the Harvey 

Creek prospect. The trail leads from Duncan Canal along the north bank of the creek to a Forest 

Service cabin on the west side of Harvey Lake. Access is via float plane or boat. 

History 

There is no reference to the Harvey Creek prospect in published literature, but some development 

work ~as accomplished at the site in the past. Just below the trail, 0.35 miles from Duncan 

Canal, the portal of an old caved adit is located on the north side of the creek. 

During 1997 a Petersburg resident drilled two core holes to evaluate the mineralized rock at the 

prospect. One hole is located east of the caved adit at an elevation of 140 feet and is 189 feet 

deep. The other is located on a bank overlooking the creek west of the adit at an elevation o( 

60 feet and is 94 feet deep. Both holes were drilled vertically (P. ·Beardslee, oral commun., 

1997). Active claims cover the Harvey Creek prospect and are held by the Petersburg resident 

·· who accompli-shed the core drilling. 

Mineral Assessment 

Rocks in the Harvey Creek prospect area are mapped as Upper Triassic (Karl and others, 1999) 

felsic and intermediate volcanics of the Hyd Group (Brew, 1997j). Outcrops along the creek 

include phyllite that is locally silicified and pyritized. The phyllite strikes 315° to 010° with a 

shallow dip. Both core holes drilled at Harvey Creek contained gray phyllite and greenschist with 

up to 5 percent pyrite. No base-metal sulfides were observed in the core of either hole. 

Samples of quartz below the adit and of silicified, iron-stained phyllite from along and to the north 

of the creek contained up to 340 ppm copper and 365 ppm zinc (Map no. 39.2, samples 9591, 

9643). A soil sample collected at the western end of the Harvey Lake trail contained 1,208 ppb 

gold (Map no. 39.1, sample 9569). 

Conclusions 

Sampling and shallow drilling failed to reveal significant mineralized rock at the Harvey Creek 

prospect. 

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MAID OF MEXICO MINE 

(Figure 3, Map no. 40) 

Location Access 

The Maid of Mexico Mine is in the north-central part of W oewodski Island, about 17 miles south 

of Petersburg. It is located 1 1⁄2 miles east of the Helen S Mine (Map no. 38), on the nort~east side 

of Harvey Lake, at an elevation of 340 feet. The area topography is gently sloping to moderately 

steep, with brush and timber covering the property. Access to the mine can be gained by float 

plane to Harvey Lake and then by a short trail from the northeast side of the lake. Alternatively, a 

trail leads to the mine from tidewater on the Helen S property. 

History 

The Maid of Mexico Mine was first staked in 1906 on a gold-bearing quartz vein (Nelson, 1931). 

By 1908 a 40-foot adit had been driven (Wright, 1909). By 1916 workings consisted of a 130-

foot crosscut, 170 feet of drift, a short adit, and pits and trenches. A test shipment was made by 

1916 (Chapin, 1918). Buddington (1923) reports that the vein averaged 41⁄2 feet thick at $20 per 

ton (1 oz/ton) and had been traced for 2,000 feet. 

A report by Nelson (1931) indicates that the Maid of Mexico vein could be traced for 750 feet on 

the surface. He reported a small stope had been started on the vein, and a 10-stamp Straube Mill 

was being installed. A partly legible ass~y plan is attached to the Nelson report. Seven samples, 

collected from the drift or raise with vein widths varying from 6 to 15 inches, range in value from 

$2.64/ton to $98.81/ton and average $40.62/ton (gold at $20.67/oz). Eight samples were 

collected down the shaft with widths ranging from 6 to 20 inches. Although values are not all 

readable on the Nelson map, six are below $1.00/ton and two are above, at $9 .30 and $23 .98/ton 

(Nelson, 1931). By 1939 over 1,000 feet of underground workings are reported (Smith, 1941). 

In 1953 mining engineer James A. Williams examined the property for the Alaska Territorial 

Department of Mines (Williams, 1954). He reported a 130-foot crosscut and 260 feet of drift 

along the vein, with a flooded winze and a raise to the surface. He collected eight samples at five 

locations along the vein. Williams' sample results are markedly lower than those reported by 

Nelson in 1931. Adjacent to a sample reported by the prospect owner to assay $98/ton (2.8 

oz/ton at $35/oz gold), Williams obtained 0.06 oz/ton. At another location, Williams' samples 

across the vein averaged less than 0.02 oz/ton across 44.5 inches. Samples across stringers from 

2 to 3 inches thick contained from 0.47 to 0.64 oz/ton. Williams attributes the disparity in sample 

values to spotty gold occurrence in the vein (Williams, 1954). 

No activity was reported on the property from 1953 to 1998. The Maid of Mexico Mine claims. 

are currently held by a Petersburg resident. 

Mineral Assessment 

The Maid of Mexico Mine is located near the contact between units mapped as Mesozoic 

semischist and phyllite, Mesozoic phyllite and slate, and Triassic felsic and intermediate volcanics 

87 
(Brew, 1997j). At the mine scale, the vein is located near the contact between slate and siliceous 

dolomite (Berg and Cobb, 1967), with slate in the hanging wall and dolomite in the footwall 

(Nelson, 1931). An underground map shows the vein striking east to northeast and dipping 65° 

to the south (Williams, 1954). Williams (1954) reports that the 2- to 7-foot-thick quartz vein 

contains small amounts of pyrite, galena, sphalerite, and free gold. 

The BLM' s investigation revealed the remains of a sheet metal and wood cabin, a wood cabin 

with a tarp top, and the remains of a Straube mill. Investigators located and examined three adits: 

the No.I, or main adit, is caved at the portal (elevation 340 feet), the No. 2 is 30 feet long 

(elevation 385 feet), and the No. 3 is 45 feet long (elevation 404 feet). A shaft (elevation 453 

feet) that connects to the No.I adit is caved near its collar. Several trenches or cuts expose the 

vein on the surf ace above the adits. 

The three adits are collared in slate near a northeast-trending contact between carbonate and slate·. 

The Nos. 2 and 3 adits expose slate, dolomite, and narrow, discontinuous quartz stringer zones. 

Samples collected from the Nos. 2 and 3 adits contained from 11 to 1,462 ppb gold (Map no. 40, 

samples 2381-85, 2620). 

Surface cuts and trenches expose a quartz vein up to 1.8 feet thick above the Nos. 2 and 3 adits 

for a distance of about 160 feet. This vein strikes east to northeast and dips 73° to 80° to the 

south. Personnel collected two samples from the vein and a third from quartz rubble. They 

contained from less than 5 ppb to 546 ppb gold (Map no. 40, samples 2386-87, 9575). 

The old Straube mill, located below the No. 1 adit, contained remnant mill feed and concentrate. 

A sample of the feed contained 2,098 ppb gold, 1,358 ppm lead, 693 ppm zinc, and 425 ppm 

arsenic (Map no. 40, sample 2388). Samples of the sulfide-rich concentrate contained up to 

1.076 oz/ton gold, 3.17 oz/ton silver, 1,224 ppm copper, 2.05 percent lead, 746 ppm zinc, and 

4,297 ppm arsenic (Map no. 40, samples 2389-90). 

Conclusions 

The gold values in samples collected by the BLM and by mining engineer James A. Williams 

(1954) are markedly lower than those reported on the assay map attached to Nelson's (1931) 

report or the average mined grade of 1 oz/ton reported by Buddington (1923). This disparity in 

values could be the result of higher-grade ore having been mined out prior to sampling, the spotty 

occurrence of gold in the vein, or selective sampling and reporting. 

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EAST OF HARVEY LAKE 

(Figure 3, Map no. 41) 

Location Access 

The East of Harvey Lake prospect is located on the north-central part of W oewodski Island, 

about 17 miles south of Petersburg. The topography is gently sloping, with brush, muskeg, and 

timber covering the area. Access to the prospect is gained by taking a helicopter to a nearby 

muskeg landing site and then following a narrow stream to a cut in the stream's western bank. 

History 

The area surrounding Harvey Lake was staked during the late 1970's and early 1980's. Cominco, 

Colony Pacific, Amselco, Kennecott, and Westmin Resources were all active in the area sometime 

between 1978 and 1998. Diamond drilling, soil sampling, and geophysical surveying were carried 

out east of Harvey Lake (J. McLaughlin, oral commun., 1998). A "discovery diamond drill hole" 

containing significant zinc values is reported in the vicinity of the east end of Harvey Lake (P. 

Beardslee, oral commun.,1998). The drill logs of the hole were not available for this study. 

Mineral Assessment 

The East of Harvey Lake prospect is located in Mesozoic semischist and phyllite (Brew 1997j). 

According to Karl and others (1999) these are Triassic Hyd Group rocks. 

BLM investigators found a 5-foot-high by 17-foot-long outcrop in the western bank of a small 

stream in an area with extensive brush, timber, and muskeg cover. The outcrop consists of ironstained, silicified schist with 10 percent pyrite that is disseminated and in conformable bands. The 

schist strikes about 315° and dips 27° to 43° to the southwest. Four samples collected from the 

outcrop did not contain significant metal values (Map no. 41, samples 384, 8650, 9571, 9699). 

Conclusions 

The East of Harvey Lake prospect lacks significant metal values and is not an important 

exploration target; however, the Triassic rocks in the general area are. Soil sampling or drilling in 

the vicinity might reveal more significantly mineralized rock. 

89 
MADDOG2 

(Figure 3, Map nos. 42.1-42.2) 

Location/ Access 

The Mad Dog 2 prospect is located on W oewodski Island, about 18 miles south of Petersburg. 

It is located southeast of Harvey Lake, along a small, stream-formed gulch at an elevation of 

400 feet. The area is moderately steep, with muskeg, brush, and timber covering the site. Access 

is via float plane to Harvey Lake and bush wacking to the site or by helicopter. 

History 

The Mad Dog 2 prospect (and most of the northwestern part of Woewodski Island) was staked 

during the late 1970's and early 1980's. Cominco, Colony Pacific, Amselco, Kennecott, and 

Westmin Resources were all active in the area sometime between 1978 and 1998 (J. McLaughlin, 

C. Rockingham, oral commun., 1998). A Petersburg resident now holds the claims covering the 

Mad Dog 2 prospect. The claimant drilled two shallow diamond drill holes on the claims in 1998-. 

Mineral Assessment 

The Mad Dog 2 prospect is located in Triassic Hyd Group volcanic flows and breccia (Karl and 

others, 1999). 

The BLM' s investigation of the Mad Dog 2 prospect revealed a sulfide band conformably hosted 

in iron-stained schist at an elevation of 360 feet. It is exposed in the northwest bank of a small 

creek. The sulfide band ranges in thickness from 0.3 to 0.8 feet, strikes 035°, and dips 45° to the 

southeast. It contains pyrite, chalcopyrite, and sphalerite. A small excavation for a drill platform 

and a cut in the bank of the creek expose this band for about 25 feet along strike. 

BLM personnel collected six samples from the sulfide band. They contained from 67 to 2,867 

ppb gold, from 2.4 to 27.1 ppm silver, from 240 to 1,512 ppm copper, and from 732 ppm to 2.9 

percent zinc (Map nos. 42.1-42.2, samples 344-347, 9570, 9702). The diamond drill hole was 

collared just below this sulfide band and failed to encounter significant mineralized rock. Another 

drill hole, collared 260 feet at 030° from this hole, also failed to encounter significant mineralized 

rock. Investigation and sampling up the small creek to an elevation of 450 feet revealed no 

notable mineralized rock (Map no. 42.2, samples 348-350). 

Conclusions 

The Mad Dog 2 prospect contains interesting values in gold, silver, copper, and zinc. However, 

the two drill holes failed to encounter significant mineralized rock. The Triassic rocks in the area 

are worthy of additional examination. 

90 

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Location Access 

FORTUNE 

(Figure 3, Map no. 43) 

The Fortune prospect is located on the south end of Butterworth Island, off the west coast of 

Woewodski Island. It is about 20 miles south-southwest of Petersburg. The mineral occurrence 

is located in the intertidal zone. The topography of Butterworth Island is gently sloping, with 

brush and timber cover. Access is by boat or helicopter. 

History 

The Fortune claims were staked for gold, silver, and pyrite in 1955. Starting in 1978, the area 

was the site of activity by Cominco, Colony Pacific, Amselco, Kennecott and Westmin Resources. 

The Fortune area was staked around the same time as most of the northwestern part of 

Woewodski Island (J. McLaughlin, oral commun., 1998). It is currently part of the Mad Dog 

group of active claims_. 

Mineral Assessment 

The southern tip of Butterworth Island consists of Mesozoic greenschist and greenstone (Brew, 

1997j) that have been identified as Triassic (Karl and others, 1999). The remainder of the island 

is mapped as Upper Cretaceous hornblende diorite (Brew, 1997j). 

The BLM' s examination of the Fortune prospect revealed mineralized rock that is largely covered 

•with silt and kelp in the intertidal zone. Exposures reveal silicified, iron-stained, greenschist with 

confonoable bands of sulfides from 0.075 to 1.0 feet thick. These bands consist of pyrite, black 

sphalerite, galena, and, based on high silver content, tetrahedrite. The area of silicified volcanic 

rock containing the bands of sulfides is about 15 feet wide and extends for 160 feet along strike. 

The bands strike 280° and dip 40° to the south. The mineralized exposure is covered by beach 

gravel immediately to the west and is not found farther to the west where hornblende diorite crops 

out. To the east, the mineralized zone is covered by tidewater. It is not found on Woewodski 

Island farther east, nor on the small island to the south of Butterworth Island. 

BLM personnel collected four samples from the more highly mineralized parts of the 15-foot-wide 

zone. Values ranged from 255 to 1,590 ppb gold, 54 to 630.4 ppm silver, 341 ppm to 9.76 

.percent lead, and from 3,951 ppm to 20.1 percent zinc (Map no. 43, samples 28-29, 211-212). 

Conclusions 

The relatively wide mineralized zone and the substantial values in silver, lead, and zinc make the 

Fortune prospect an attractive exploration target. 1t'is the only massive sulfide in the Duncan 

Canal area to contain significant silver. However, the limited extent of mineralized rock to the 

northeast and the likelihood that further exploring and, potentially, mining would be carried out 

under tidewater discourages exploration of the prospect. 

91 
HATTIE 

(Figure 3, Map no. 44) 

Location/ Access 

The Hattie prospect is located about 20 miles south of Petersburg on the southwest side of 

Woewodski Island. It is about 21⁄2 miles south of the Helen S Mine (Map no. 38). The prospect 

workings are located 500 feet from tidewater at an elevation of 60 feet. The area topography is 

gently sloping, with brush, old-growth, and second-growth timber covering the area. Access can 

be gained by boat, helicopter, or float plane to the beach, although rough seas can preclude float 

plane access. A trail leads to the mine from the beach. 

History 

The Hattie prospect was first staked in 1900 as 'the property of the Olympic Mining Co. It 

originally consisted of 60 claims (Alaska Kardex ,1982). Wright and Wright (1908) show the 

claim group extending from near sea level to over 560 feet elevation at Harrys Lake. They refer 

to the Hattie as the Lower Smith camp. According to Wright and Wright (1908), active 

development first started on the claims in 1901. A gold-bearing quartz breccia zone was explored 

by a 360-foot adit and a 135-foot winze with levels at 62 and 134 feet. Surface developments at 

the property consisted of a 1,000-foot tram, a wharf, and various buildings. By 1907 the mine 

winze was flooded (Wright and Wright, 1908). No additional development was reported on the 

property, but the claims were active ii:t 1937 (Alaska Kardex, 1982). The Hattie area is included 

in the Gurrently active Mad Dog claim group. 

Mineral Assessment 

The Hattie prospect is located in Triassic Hyd Group greenstone and greenschist (Karl and others, 

1999). In the immediate prospect area, the quartz veins are hosted in greenschist that has been 

identified as metarhyolite by the USGS (D.J. Grybeck, oral commun., 1996). Wright and Wright 

(1908) report a quartz and breccia zone or vein 5 to 20 feet thick that is hosted in greenstone. 

The zone or vein can be traced for seve~al hundred feet and reportedly strikes northeast and dips 

steeply. Pyrite, chalcopyrite, galena, and sphalerite constitute 1 to 3 percent of the vein (Wright 

and Wright, 1908). 

The BLM' s investigation of the Hattie prospect revealed an adit with an unstable, partly caved 

portal at an elevation of 60 feet and an inclined raise at an elevation of 140 feet, which intersects 

the adit at a distance of about 130 feet from the adit portal. The portal is cut in a 6-foot-thick 

quartz vein that strikes 070° and dips 68° to the south. The raise is collared in a 5-foot-thick 

quartz vein that also strikes 070° to the east, but with vertical dip. The vein at the adit level is 

covered along strike. The vein at the top of the raise can be traced for about 60 feet to the 

northeast; from there it is covered. 

BLM personnel collected five samples from the vein at the top of the raise and one sample each 

from the vein at the ad\t portal and from the dump (Map no. 44, samples 27, 2630-34, 2636). All 

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the samples contained 10 ppb or less gold. The silver, copper, lead, and zinc values were affvery 

low as well. 

Conclusion 

The historic description of the mineral occurrence at the Hattie prospect sounds very similar to 

that of the Helen ·s Mine (Map no. 38). Previous investigators have expressed confusion between 

the descriptions of the Helen S Mine and Hattie prospect (Grybeck and others, 1984). 

The BLM' s examination of the surface exposures and dump at the Hattie failed to reveal 

significant metal values. Underground access is necessary to better determine the nature of the 

prospect's mineral occurrence; however, the adit portal is collared in an unstable shear zone that 

prevents safe access to the underground workings. 

93 
Location/ Access 

BRUSHY CREEK 

(Figure 3, Map no. 45) 

The Brushy Creek prospect is located on the south end of Woewodski Island, about 21 miles 

south of Petersburg. The topography is moderately sloping, with brush and timber covering the 

area. Access to the prospect can be gained by boat to the south side of W oewodski Island and 

then on foot, 0.25 miles to the first outcrops, or by helicopter to muskegs near the eastern end of 

the prospect. 

History 

Westmin Resources was active in the Brushy Creek area during 1996 (Chris Rockingham, oral 

commun., 1998). Recently flagged surveying grids on the prospect indicate detailed work in the 

area (possibly soil sampling or ge~physical surveying). 

Mineral Assessment 

The Brushy Creek prospect is located in Mesozoic greenschist and greenstone near its contact 

with Upper Cetaceous hornblende diorite (Brew, 1997j). According to Karl and others (1999), 

the greenstone and greenschist are Triassic Hyd Group volcanic rocks. 

The BLM' s investigation revealed a series of cuts in bluffs on the south side of a narrow creek. 

The creek, which follows a shear zone, trends about 075° to 085°. The foliation in the hosting 

greenstone schist trends about 055° to 085° and dips from 15° to 40° to the south. Five cuts that 

expose iron-stained, mineralized rock were examined and sampled. The cuts range in elevation 

from 90 feet to 170.feet and are scattered along 3,000 feet. The continuity of units between the 

cuts was not determined. Mineralized rock consists of disseminated, thinly banded sulfides hosted 

in silicified, limey volcanics. The sulfides are pyrite, sphalerite, and galena. 

BLM personnel collected nine samples. The most prominent sample was a 2-foot chip that 

contained 423 ppb gold, 27.9 ppm silver, 7,380 ppm lead, and 2.6 percent zinc (Map no. 45, 

sample 195). Seven of the remaining samples contained from 1,735 ppm to 2.2 percent zinc (Map 

no. 45, samples 190, 192-195, 9636-37). 

Conclusions 

Mineralized rock at the Brushy Creek prospect is scattered over a distance of 3,000 feet and 

contains interesting silver, lead, and zinc values. These factors make the Brushy Creek prospect a 

potential exploration target. 

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MITKOF ISLAND 

Property name ................ Plate 1, Map no. 

Freel & Durham . . . . . . . . . . . . . . . . . . . . . . . . . . . 46 

Road Show . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 7 

Mitkof Island, FS Road 6245 .. ~ ............. 48 

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FREEL & DURHAM 

(Plate 1, Map no. 46) 

Location/ Access 

The Freel & Durham prospect is located on the east side of Mitkof Island, 9 miles southeast of 

Petersburg. The site is in an unnamed drainage 1 1⁄2 miles west of Frederick Sound and a mile 

northeast of the head of Falls Creek. The drainage bottom is covered by large, mature timber, but 

the drainage passes through a 3-square-mile area predominated by muskeg. The prospect's 

location averages 170 feet in elevation. Access to the property can be gained by driving Forest 

Service road 6204 and then walking about a mile downhill to the southeast, across muskeg~ to the 

drainage containing the claim. 

History 

The earliest known record of activity in the Freel & Durham area is the staking of a mining claim 

for lode gold in 1957 (Alaska Kardex, 1982). Investigators found no other record of activity in 

published literature, nor did they find signs of mining activity in the area during a site visit in 

1998. 

Mineral Assessment 

The Freel & Durham prospect lies within metamorphosed Upper Cretaceous, Stephens Passage 

Group rocks. The rocks associated with this unit are schist and hornfels (Brew, 1997i). 

BLM personnel searched the location described in the records (Alaska Kardex, 1982), but could 

find no outcrop in the area. They collected six samples from stream branches draining the areathree stream sediment and three quartz float samples (Map no. 46, samples 399-400, 2815-18). 

The samples had low precious- and base-metal values. 

Conclusions 

Not enough is known about the Freel & Durham prospect to tnake definitive conclusions. 

However, the paucity of information and lack of evidence of mineral activity suggest the prospect 

is of little significance. 

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ROADSHOW 

(Plate 1, Map no. 47) 

Location/ Access 

The Road Show prospect is located on the east side of Mitkof Island, 14 miles southeast of 

Petersburg. Located on a southeastern tributary of Big Creek, which empties into Frederick 

Sound, the site is immediately upstream from where Forest Service road 6235 crosses the 

tributary. 

History 

The Road Show prospect was staked for placer gold by Steve Homer and Annie Taylor in 1972 

and held through 1973 (Alaska Kardex, 1982). No other record of activity is known in published 

literature, nor was there any sign of mining activity found during the BLM' s site examination. 

Mineral Assessment 

The Road Show prospect lies within Upper Cretaceous intrusive rocks of the AdmiraltyRevillagigedo Plutonic Belt of Brew and Morrell (1983). The rocks associated with this unit in 

the Mitkof Island area are hornblende-biotite tonalite, granodiorite, quartz monzodiorite, and 

quartz diorite (Brew, 1997i). 

BLM personnel examined the Road Show prospect area in 1998 and collected one pan _ 

concentrate, one grab sample of quartz vein float, and two stream sediment samples (Map no. 47, 

samples 401-402, 2819-20). Investigators found no outcrops in the area of the prospect. Float 

consists of metamorphosed sediments, metamorphosed volcanics, and quartz diorite. The float 

did not contain metallic minerals. The samples contained insignificant values for any elements of 

economic interest. 

Conclusions 

The insignificant metal values, the absence of evidence of prospecting activity, and the lack of . 

published informaiion about the Road Show prospect suggest the site is of little economic 

importance. 

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MITKOF ISLAND, FS RD 6245 

(Plate 1, Map no. 48) 

Location/ Access 

The Mitkof Island, FS Road 6245 occurrence is situated in a borrow pit, 20 miles south-southeast 

of Petersburg. The pit is on Forest Service road 6245, at an elevation of about 120 feet and 

within a quarter of a mile of the shoreline of Blind Slough on Sumner Strait. Access is by road. 

History 

While doing a reconnaissance examination of the road cuts and borrow pits on Mitkof Island, 

BLM personnel discovered iron-stained rubble containing massive pyrrhotite in a borrow pit. The 

pit had been used for fill and road surfacing of logging roads in the area, and as such, all 

production was for that purpose (Forest Service, oral commun., 1998). There is no published 

reference to this site, other than as a source for rock. 

Mineral Assessment 

The FS Road 6245 pit occurrence lies within a belt of Upper Cretaceous intrusive rocks. The 

rocks associated with this belt are homblende-biotite tonalite, granodiorite, quartz monzodiorite, 

and quartz diorite (Brew, 1997i). 

BLM personnel collected one sample of iron- and copper-stained rubble containing massive 

pyrrhotite in homblendite. The sample contained 1,007 ppm copper, 303 ppm lead, and 395 ppm 

zinc (Map 48, sample 391). 

Conclusions 

The BLM's examination of the FS Road 6245 pit indicates a small, low-grade occurrence. 

Mineralized rock was only found in rubble, and the analytical result showed low metal values. 

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ZAREMBO ISLAND 

Property name . . . . . . . . . . . . . . . . Plate 1, Map no. 

Zaremba Island, FS Road 52009 .............. 49 

Frenchie ................................. 50 

Zaremba Island Homblendite . . . . . . . . . . 51.1-51.4 

Lost Zaremba . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 2 

Zaremba Island Fluorite .............. 53.1-53.4 

ZF ..................................... 54 

Round Point . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 5 

99 
ZAREMBO ISLAND, FS RD 52009 

(Plate 1, Map no. 49) 

Location/ Access 

The Zaremba Island, FS Road 52009 occurrence is located on the northwest side of Zarembo 

Island on Forest Service road 52009, about half a mile southwest of St. John Harbor. It is about 

24 miles west of Wrangell. The area topography is gently sloping and covered with secondgrowth timber and thick brush. Access to the site is by boat and on foot or by helicopter. 

History 

BLM personnel discovered the Zaremba Island, FS Road 52009 occurrence during this study. 

Mineral Assessment 

The Zaremba Island, FS Rd 52009 occurrence is located in an area of Quaternary and Tertiary 

rhyolite (Karl and others, 1999). 

The BLM' s investigators found vuggy and drusy quartz and purple fluorite scattered in road fill. 

The rocks are similar to the Zaremba Island Fluorite occurrence (Map no. 53), which is located 

11 miles to the south. A grab sample of sulfides in the road fill contained 546 ppb gold and 

826 ppm arsenic (Map no. 49, sample 9651). The road fill appears to be near its place of origin; 

howev~r, I?ineralized rocks were not found in outcrop. 

Conclusions 

The Zarembo Island, FS Rd 52009 occurrence is worthy of follow-up to locate the source of the 

gold- and arsenic-bearing road fill. 

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FRENCHIE 

(Plate 1, Map no. 50) 

Location/ Access 

The Frenchie prospect is located on Zarembo Island about half a mile south of the head of St. 

John Harbor. It is about 22 miles west of Wrangell. The area topography is gently sloping and is 

covered with second-growth timber and thick brush; however, the prospect itself is located 

between 15-foot-high creek banks. It can be reached by following up the northern branch of the 

creek that flows into the southwest side of St. John Harbor. Access is by boat to St. John Harbor 

and then by foot up the creek. Alternate access is by helicopter, which may be able to make a 

difficult landing in the creek upstream from the occurrence. 

History 

The Frenchie prospect was first described by Buddington (1923) who visited it in 1921. He 

describes it as a 7.5-foot-thick, shallow-dipping, conformable, tabular layer of pyrite hosted in 

siliceous schist. The pyrite layer is exposed along the creek for a length of 130 feet and is 

explored by an adit 100 feet long and a shaft located about 100 yards north of the adit 

(Buddington, 1923). 

In 1978 BP Alaska Exploration staked 34 claims, mapped and sampled the prospect, and 

recognized its import_ance as a strata-bound, massive sulfide deposit. In 1979 the company 

conducted a helicopter EM and magnetic survey, stream sediment and soil sampling, and followup ground geophysics over the 10 square miles of ground that contained the deposit and its host 

rocks (Brewer, 1979). 

By the early 1980's, the USGS considered the Frenchie prospect "largely forgotten" and 

unrecognized as a volcanogenic massive sulfide deposit, but they later became the first to 

"relocate its prominent outcrop along the creek bank" and to rediscover it as ·a volcanogenic 

massive sulfide deposit (Grybeck and Berg, 1998). 

In 1984 three holes were drilled on the Frenchie prospect. In 1996 Westmin Resources drilled 

another five holes (Rockingham, 1996). 

Mineral Assessment 

The Frenchie claim block occupies an 8- by 3-mile area in the central valley of Zarembo Island, 

which consists of Triassic Hyd Group and Permian and Mississippian Cannery Formation rocks 

(Karl and others, 1999). "Throughout the area, fine-grained, weakly metamorphosed, 

argillaceous sediments and minor argillaceous limestone predominate. Tuffaceous interbeds, tuffs, 

and massive to weakly foliated hornblende andesites are common locally (Brewer, 1979).'' 

The massive sulfide mineralized band at the Frenchie prospect is conformably hosted in silicified 

graphitic phyllite, argil~ite, and lesser slate, chert, and argillaceous limestone. These units strike 

west-northwest and dip 15° to 20° to the southwest. Where exposed, the footwall consists of 

101 
siliceous, pale green quartz-muscovite phyllite. The hanging wall consists of a thin layer of black 

phyllite and up to 18 inches of pale, siliceous argillite and chert with up to 10 percent pyrite and 

sphalerite. Above this hanging wall, pyritized argillite and schist predominate to the top of the 

cliff, a distance of about 15 feet (Brewer, 1979). 

The massive sulfide mineralized band is exposed near the base of cliffs on either side of the creek 

that follows the strike of the band. The band is up to 6.5 feet thick and is exposed for 460 feet 

along the creek. The western limit is obscured by cover, and the eastern limit is defined by a fault. 

"The massive sulfide band consists of 20 to 35 percent fine-banded pyrite, subordinate pyrrhotite, 

and minor sphalerite, galena, and chalcopyrite in a quartz-barite gangue. Barite varies between 5 

and 20 percent (Brewer, 1979)." Thirteen samples were collected across the sulfide band at 

locations along its 460-foot length. They averaged 0.047 oz/ton gold, 0.42 oz/ton silver, 0.55 

percent copper, 0.08 percent lead, and 1.48 percent zinc (Brewer, 1979). 

BP Alaska Exploration conducted a helicopter EM and magnetic survey with a spacing of 1 / 5 mile 

over the Frenchie deposit and its host rocks. One line, specifically flown over the Frenchie 

massive sulfide band to determine its signature, gave a weak electromagnetic response. The 

remaining area gave a number of low-ranking responses. Soil and stream sediment sampling, and 

in some cases ground geophysics, were used to follow up these anomalies. The results were 

negative (Brewer, 1979). 

The BL.M's investigation of the Frenchie.prospect was confined to examining the massive sulfide 

band. The results of the examination verified the work and descriptions done by BP Alaska 

Exploration. A shallow-dipping, sulfide band that averages 5 feet thick is exposed along a creek 

for a distance of 460 feet. A 35-foot-long, partly flooded adit is driven into the sulfide zone. The 

shaft described by Buddington (1923) was not found. Chip samples from the sulfide band and 

from within the general vicinity contained up to 1,204 ppb gold, 16.1 ppm silver, 5,453 ppm· 

copper, 3,973 ppm lead, 4.9 percent zinc, and 2,406 ppm arsenic (Map no. 50, samples 17-18, 

305, 9660, 9662). The average of eight chip sample lines across the massive sulfide band was 

0.019 oz/ton gold, 0.32 oz/ton silver, 0.25 percent copper, 0.16 percent lead, 2.4 percent zinc, 

and 0.08 percent arsenic (Map no. 50, samples 17-18, 207,305,308, 2616-17, 9662). These 

results compare well with the numbers obtained by BP Alaska Exploration (Brewer, 1979). 

Conclusions 

The Frenchie deposit, as it is now known, is too small and too low-grade to be considered for 

development. Further exploration down dip, along the massive sulfide band, or of the Triassic 

rocks in the vicinity might. reveal a larger, higher-grade deposit. However, the lack of a 

distinctive geophysical signature will hamper further exploration. 

102 

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Location/ Access 

ZAREMBO ISLAND HORNBLENDITE 

(Plate 1, Map nos. 51.1-51.4) 

The Zarembo Island Homblendite prospect is located on the northeast side of the island, north of 

Deep Bay. It is 10 miles west-southwest of Wrangell. The area topography is of moderate relief 

and covered with second-growth timber and thick brush. Access to the prospect is by boat. 

History 

The Gallavantin claims were staked for iron and copper in the area of the Zarembo Island 

Hornblendite prospect in 1974 (Alaska Kardex, 1982). However, other than the Kardex 

reference, a literature search revealed no mention of a prospect in the area. This study is the first 

to describe the copper mineralization at the Zarembo Island Homblendite prospect. 

Mineral Assessment 

The Zarembo Island Homblendite prospect is located in what has been mapped as Cretaceous 

gabbro (Karl and others, 1999). In places it consists predominantly of coarse- to fine-grained 

hornblende and could be considered a homblendite. It has a 0.8- by 0.4-mile outcrop pattern. It 

is exposed along the beach for 1,900 feet, in a road cut at an elevation of 100 feet, and along an 

overgrown road to an elevation of 200 feet. 

The BLM' s examination revealed blebs and disseminations of chalcopyrite along with pyrite and 

magnetite hosted in homblendite. Vegetative cover prevented determining the true extent of the 

chalcopyrite-rich zones. Where exposed on the beach and in the road cut, the homblendite with 

visible chalcopyrite extends up to tens of feet. 

A sample of the best copper mineralization found on the beach contained 2,760 ppm copper, 

10 ppb platinum, and 28 ppb palladium (Map no. 51.1, sample 9666). A 0.2-foot grab sample of 

the best copper mineralization found in the road cut contained 1,172 ppm copper, 10 ppb 

platinum, and 7 ppb palladium (Map no. 51.3, sample 301). A 0.4-foot grab sample collected at 

an elevation of 200 feet contained 1,291 ppm copper, 6 ppb platinum, and 3 ppb palladium 

(Map no. 51.4, sample 298). 

BLM investigators collected three stream sediment samples from drainages in the homblendite. 

One was slightly anomalous in platinum at 11 ppb (Map no. 51.1, sample 311). The other two 

did not contain significant metal values (Map nos. 51.1-51.2, samples 313, 9665). 

Conclusions 

Where exposed, the Zarembo Island Homblendite prospect contains anomalous values in copper, 

platinum, and palladium. Detailed examination of the area may reveal more extensive, highergrade mineralized rock. 

103 
LOST ZAREMBO 

(Plate 1, Map no. 52) 

Location/ Access 

The Lost Zarembo prospect is located on Zarembo Island, in a borrow pit 6 miles from St. John 

Harbor along Forest Service road 6590. It is 21 miles west-southwest of Wrangell. The area is 

covered with second-growth timber and thick brush. Access to the prospect is by boat and foot_ 

or by helicopter. 

History 

The Lost Zarembo prospect was first described by Grybeck and others in 1984 as a Triassic 

volcanogenic massive sulfide deposit that consists of three massive sulfide layers hosted in 

orange-weathering, greenish gray metarhyolite. · The most prominent sulfide layer is 3.5 feet thick 

and extends for 45 feet (Grybeck and others, 1984). 

Mineral Assessment 

The Lost Zaremba prospect is located in an area mapped as Quaternary and Tertiary rhyolite 

(Karl and others, 1999). The occurrence itself is hosted in a small fault block of Triassic volcanic 

rocks (Grybeck and others, 1984). 

The BLM' s examination of the Lost Zarembo prospect revealed a block of banded, iron-stained, 

silicified greenstone that strikes 270° to 310° and dips 30° to 50° to the north. It is exposed in the 

northwest wall of a borrow pit. The block extends about 50 feet along strike and is bounded on 

the southwest by a fault contact with rhyolite and on the northeast by cover and a basalt dike. 

Within this block, three conformable bands of massive sulfides, 0.4, 0.8, and 2.6 feet thick, are 

separated by 1.2 to 3.0 feet of less silicified greenstone. The massive bands extend for about 

45 feet. To the northeast, they are bounded by cover and a basalt dike; to the southwest, they 

pinch out. They contain pyrite, pyrrhotite, chalcopyrite, galena, sphalerite, and barite. 

Samples across the sulfide bands at Lost Zarembo contained from 8.3 to 27 .6 ppm silver, 966 to 

3,781 ppm copper, 818 to 3,567 ppm lead, 1.9 to 4.6 percent zinc, and from 1.53 to 10.10 

percent barium (Map no. 52, samples 316, 318, 321). Samples across the greenstone between the 

sulfide bands contained from 331 to 2,038 ppm zinc (Map no. 52, samples 317, 319). A grab 

sample of higher-grade sulfides contained 5.5 percent zinc (Map no. 52, sample 2625). A 

representative sample across barite- and sphalerite-bearing rubblecrop contained 4.9 percent zinc 

and 29.3 percent barium (Map no. 52, sample 9667). 

Conclusions 

The massive sulfide-barite bands at the Lost Zaremba prospect are too small and dismembered to 

be significant exploration targets in themselves. Other Triassic rocks in the area, however, 

particularly the banded silicified greenstones, are likely to attract mineral industry exploration 

attention. 

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ZAREMBO ISLAND FLUORITE 

(Plate 1, Map nos. 53.1-53.4) 

Location/ Access 

The Zarembo Island Fluorite occurrence is located on the southwest side of Zarembo Island, 

between Macnamara Point and Point Nesbitt. It is about 25 miles southwest of Wrangell. Rocks 

in the intertidal zone and along the shoreline are well exposed; however, inland, the area is 

covered with second-growth trees and thick brush. Access to the prospect is by boat or 

helicopter. 

History 

The Zarembo Island Fluorite occurrence was first recognized by Buddington in 1923 

(Buddington, 1923). In 1962 the Bureau of Mines examined 10 miles of beach between 

Macnamara Point and Point Nesbitt and collected petrographic, pan concentrate, stream sediment, 

and rock chip samples (Van Alsti'ne and Berryhill, 1963). In 1991 the USGS visited the site and 

studied its geodes for rare-earth elements (Philpots and Evens, 1992). 

Mineral Assessment 

The Zarembo Island Fluorite occurrence is located in an area of Quaternary and Tertiary rhyolite 

and andesite (Karl and others, 1999). The fluorite mineralization is hosted in rhyolite (Grybeck 

and others, 1984). 

The Bureau of Mines examination of the area in 1962 revealed fluorite as fracture fillings with 

drusy quartz in vuggy breccia zones and in geodes for 1,200 feet along the shoreline. The fluorite 

fracture fillings arc~ up to 1 inch thick, widely scattered, and predominately hosted in banded 

volcanic rocks. The geodes are 0.25 to 12 inches in diameter. A few brecciated shear zones up 

to 3 feet thick and 100 feet long are filled with cream-colored chalcedony. Samples failed to 

reveal significant concentrations of fluorite, radioactive elements, or other economic minerals 

(Van Alstine and Berryhill, 1963). 

In 1991 the USGS examined the geodes in the Zarembo Island Fluorite vicinity. Only trace 

amounts of rare-earth elements were identified (Philpots and Evens, 1992). 

The BLM's work at the prospect included checking the geodes and quartz-fluorite veins for 

minerals of economic interest. A scintillometer survey revealed slightly elevated radiation levels 

in the geodes. Samples collected from geodes, silicified zones, and fluorite contained up to 291 

ppb gold, 1,768 ppm barium, and 38 ppm lanthanum (Map no. 53.4, samples 19, 21). 

Conclusions 

The Zaremba Island Fluorite occurrence does not contain significant concentrations of fluorite, 

radioactive elements, or other minerals of economic interest. The mineralized rock is scattered 

and low-grade. The occurrence is unlikely to attract mineral exploration. 

105 
ZF 

(Plate 1, Map no. 54) 

Location/ Access 

The ZF prospect was originally covered by a large block of claims located on the southeast 

quarter of Zarembo Island, approximately 21 miles southwest of Wrangell. The site examined by 

the BLM is located at an elevation of 1,700 feet on the rounded top of a mountain in the center of 

sec. 29, T. 64 S, R. 81 E. This area of Zarembo Island has a well-developed, subparallel, 

northeast-southwest drainage pattern between Meter Bight to the northeast and Stikine Strait to 

the southwest. The vegetation is mixed muskeg and small timber. Access is via helicopter or by 

foot from the nearby logging road system. 

History 

The ZF block of 242 lode claims was staked in 1978 by NERCO Exploration Co. An option on 

the claim block was g~anted to Resource Associates of Alaska in 1979 (Bureau of Land 

Management, MAS) and in 1981 to Houston Oil and Minerals (Bundtzen and others, 1982). The, 

claim block was dropped by NERCO in 1986 (Bureau of Land Management, ALIS). 

Mineral Assessment 

The ZF prospect lies within a unit of Quaternary and Tertiary rhyolites, rhyodacites, and related 

siliceous intrusive and extrusive rocks (Brew, 1997e). This unit is part of a belt of Quaternary to 

Tertiary felsic to intermediate igneous rocks that crops out along the southwestern half of 

Zarembo Island. The igneous belt is in contact with Paleozoic and Mesozoic metamorphic rocks 

to the northeast and is bounded by the Clarence Strait Fault to the southwest (Brew, 1997e; Brew 

and others, 1984 ). 

Rocks in the vicinity of the prospect are mostly rhyolites with a bleached white appearance. They 

are massive to thinly bedded and commonly sheared, with milky quartz deposited along the shear 

surfaces. No sulfides were observed in any of the outcrops examined by BLM investigators. One 

sample collected from the site contained only trace amounts of precious- and base-metals (Map 

no. 54, sample 293 ). 

Conclusion 

Further work is needed to define the occurrence at the ZF prospect. No information was found 

regarding the deposit type or commodity targeted by the NERCO claim block. 

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ROUND POINT 

(Plate 1, Map no. 55) 

Location/ Access 

The Round Point occurrence is located in the southeastern quarter of Zarembo Island, 

approximately 18 miles southwest of Wrangell. The main body of the claim block covers the 

ridge complex west of Round Point and southeast of the major drainage flowing into Meter Bight. 

The steep flanks of the mountains are well timbered, and the rounded peaks are covered with 

mixed muskeg and scrub timber. Peaks rise to elevations of 2,457 feet and are incised by steep 

river valleys that descend to sea level within a few miles. Access to this area is via helicopter. 

History 

In 1978 Mapco Inc. staked three claim blocks in the Round Point area: the Hazel, with 344 

claims; the Erica, with 36 claims; and the Frances, with 6 claims (Bureau of Land Management, 

ALIS). The commodities listed include molybdenum, fluorine, and uranium, although no 

. information was found describing the discovery locations of the commodities (Interagency 

Minerals Coordinating Group, 1999). The Hazel claims cover all or part of sections 22 to 28, 33 

to 36 ofT. 64 S, R. 81 E; sec. 3, T. 65 S, R. 82 E; and sec. 31, T. 64 S, R. 82 E. The Erica 

claims cover part of sec. 30 of T. 64 S, R. 82 E, and part of sec. 25 of T. 64 S, R. 81 E. The 

Frances claims are in sec. 28, T. 64 S, R. 81 E (Bureau of Land Management, MAS). 

Mineral Assessment · 

The Round Point prospect lies within a belt of Quaternary to Tertiary intrusive and extrusive 

igneous rocks. In the southeastern part of the prospect, a unit of Mesozoic greenschist and 

greensfone crops out (Brew, 1997e) that has been defined as Triassic Hyd Group (Karl and 

others, 1999). 

After observing a prominent iron-stained zone during aerial reconnaissance of the area, BLM 

personnel traversed along a creek that flows southeast across-sec. 36, T. 64 S, R. 81 E. The 

rocks exposed in the creek are mapped as Upper Mesozoic greenschist and greenstone (Brew, 

1997e). Approximately 0.3 miles downstream from a small lake that feeds the creek, between 

1,500 and 1,600 feet elevation, investigators found an outcrop of iron-stained schist with sulfides, 

both in the creek and in sparse outcrops to the east of the creek. The sulfides appear to be 

concentrated along a contact with a basalt sill. BLM personnel found a I-inch-diameter drill hole 

at this location. As they continued down the creek to an elevation of 1,120 feet, they found no 

other mineralized rock. 

The schist contains chalcopyrite and sphalerite, both as disseminations and in conformable finegrained, wispy bands. A conformable mineralized band 0.1 to 0.9 feet thick that strikes 007° and 

dips 15° east is exposed above a waterfall in the creek. It is hosted in the iron-stained schist and 

is exposed for 15 feet in the creek bed. It is covered to the north and south. Chip samples across 

this band contained from 17.2 to 55 ppm silver, from 5,588 ppm to 2.1 percent copper, and from 

3,827 ppm to I.I percent zinc ( Map no 55, samples 354, 356). 

107 
Other chip samples collected from the iron-stained schist at locations downstream, upstream, and 

to the east of the mineralized band contained up to 2,521 ppm copper and 7,000 ppm zinc. A 

select sample contained 1.5 percent zinc (Map no. 55, sample 9687). 

Conclusions 

The BLM' s investigation of the Round Point area located a small occurrence of copper and zinc. 

Although minor, this occurrence encourages additional reconnaissance in the area for bedded 

massive sulfide deposits. 

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WORONKOFSKI ISLAND 

Property name ................ Plate 1, Map no. 

Exchange ................................ 56 

Sunrise .................................. 57 

109 
EXCHANGE 

(Plate 1, Map no. 56) 

Location/ Access 

The Exchange prospect is located on the northwest side of W oronkofski Island, near Wedge 

Point, about 7 miles southwest of WrangelL The topography in the area is gently sloping and 

covered with second-growth timber and thick brush. The prospect is located on the shoreline, 

and access is by boat or helicopter. 

History 

The Exchange claims were first staked in 1900. The prospect consists of a 12- to 15-foot-wide 

quartz vein with moderate gold values, exposed by surface cuts and a 45-foot-long adit (Wright 

and Wright, 1908). The claims were active in the mid-1970's (Alaska Kardex, 1982), but there is 

little evidence of what transpired on the claims in the intervening years. 

Mineral Assessment 

The prospect area is mapped as Jurassic to Cretaceous Seymour Canal Formation turbidites (Karl 

and others, 1999). However, the prospect is underlain by felsic intrusive rocks that are likely a 

continuation of the Cretaceous quartz monzodiorite mapped nearby (Karl and others, 1999). 

The BLM' s examination of the Exchange prospect revealed an irregular quartz vein up to 16 feet 

thick, intermittently exposed through cover for 250 feet, in the intertidal zone, in a creek bed, and 

in a 45-foot-long adit. The vein is hosted in a granite porphyry and contains small amounts of 

galena. It strikes north-south and dips 30° to the west in the intertidal zone, and it strikes 310° 

and dips 20° to the south in the adit. 

Investigators collected nine samples from the quartz vein. The highest gold value came from a 

sample across 5 feet of a 16-foot-wide part of the quartz vein in the creek bed. It contained 923 

ppb gold, 26.6 ppm silver, and 944 ppm lead (Map no. 56, sample 206). The next highest value 

was from a sample collected underground across 3 feet of a larger vein. It contained 532 ppb 

gold, 58 ppm silver, and 2,660 ppm lead (Map no. 56, sample 10). The other seven samples 

contained from less than 5 to 131 ppb gold. A stream sediment sample from a creek that crosses 

the quartz vein did not contain significant metal values (Map no. 56, sample 14). 

Conclusions 

The gold values found at the Exchange prospect are too low to attract further exploration of this 

deposit. However, the existence of the relatively large quartz vein with low but anomalous gold 

values encourages additional exploration in the area. 

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SUNRISE 

(Plate 1, Map no. 57) 

Location/ Access 

The Sunrise placer prospect is located on the northwest side of Woronkofski Island, at the mouth 

of the creek that drains Sunrise Lake. It is about 7 miles southwest of Wrangell. The topography 

in the area is gently sloping and is covered with second-growth timber and thick brush. Access to 

the prospect is by boat or helicopter. 

History 

The Sunrise 1 and 2 placer claims were staked for gold in 1974 (Alaska Kardex, 1982)., A 

literature search revealed no additional mention of this prospect. 

Mineral Assessment 

The 2-mile-long creek that drains Sunrise Lake cuts Cretaceous quartz monzodiorite and Jurassic 

to Cretaceous Seymour Canal Formation slate (Karl and others, 1999). Gravels from the creek 

consist of slate and diorite fragments. 

The BLM' s examination of the Sunrise placer claims consisted of collecting a pan concentrate and 

two stream sediment samples. The samples did not contain gold or any other significant metal 

values (Map no. 57, samples 63-65). 

Conclusions 

The area has little potential for placer gold. 

111 
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ETOLIN ISLAND 

Property name ................ Plate 1, Map no. 

Steamer Bay ........................ 58.1-58.2 

113 
STEAMER BAY 

(Plate 1, Map nos. 58.1-58.2) 

Location/ Access 

The Steamer Bay occurrence is located at the head of Steamer Bay on the west side of Etolin 

Island, just south of the confluence of Stikine Strait and Clarence Strait. It is approximately 

26 miles south-southwest of Wrangell. The site encompasses five streams that drain the Keating 

Range to the northeast. Steamer Bay can be reached by boat from Wrangell, float plane, or 

helicopter. The inland creeks are accessible by foot only. A Forest Service cabin is located at 

the mouth of Steamer Bay on the northeastern shore. 

History 

The Steamer Bay occurrence was staked for lead by Paul Pieper in 1972 and held through 1973. 

It consisted of the Plumb 1-22 claims and the Plumb fractions 23-26. The only activity 

mentioned took place on the Plumb 1-5; however the type of activity was not described (Alaska 

Kardex, 1982). 

Mineral Assessment 

The occurrence lies along the margins of the Steamer Bay Fault, which cuts the Jurassic to 

Cretaceous Brothers Volcanics/Douglas Island Volcanics. Steamer Bay and Porcupine Creek are 

the surface expressions of this northwest- to southeast-trending fault. The rocks associated with 

this unit are andesite to basalt flows, volcanic breccias, volcanic graywacke, tuff, phyllite, and 

slate (Brew, 1997a, 1997b). 

BLM personnel made short traverses up the two streams that drain into Steamer Bay. They 

collected two samples from float in the streams (Map no. 58.1, samples 467, 8719). Sample 467, 

from a-piece of silicified breccia, contained 10.9 ppm silver, 1,407 ppm copper, 1.01 percent 

lead, and 1.9 percent zinc. Because of time and weather constraints, BLM personnel were unable 

to make a complete examination of the area. 

Conclusions 

Of the five streams included in this prospect, only two have been examined briefly. It is 

necessary to examine the other three streams to determine the nature and extent of mineralization 

in the area. 

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WRANGELL ISLAND AND NEARBY 

ISLANDS 

Property name . . . . . . . . . . . . . . . . Plate 1, Map no. 

Wrangell Airport Pit ....................... 59 

Salamander Creek Pit . . . . . . . . . . . . . . . . . . . . . . 60 

Bruiser .................................. 61 

Niblack Island ............................ 62 

115 
Location/ Access 

WRANGELL AIRPORT PIT 

(Plate 1, Map no. 59) 

The Wrangell Airport Pit is located adjacent to the northwest end of the Wrangell airport. It is 

accessible by road; however, the entrance to the pit itself is blocked by a locked gate that 

prevents vehicular access, but does not prevent access by foot. The pit belongs to the State of 

Alaska and has been used by the State Department of Transportation for construction projects. 

History 

Reference to granites near the town of Wrangell was made in a report published in 1891 by Frank 

Adams of McGill University in Montreal, Quebec, Canada (Adams, 1891). Adams, while on the 

staff of the Geological Survey of Canada, was given samples collected in 1887 by participants of 

an expedition to the Yukon and northern British Columbia and asked to make an examination. 

Of the rocks received, three, including a granite specimen from near Wrangell, were 

extraordinary enough that Adams made a detailed study. His findings indicate that the Wrangell 

granite contains epidote and associated allanite (Adams, 1891). Allanite is a rare-earth silicate. 

Mineral Assessment 

The Wrangell Airport Pit exposes an intrusive rock that has been mapped as a Cretaceous 

homblende-biotite tonalite. Similarly mapped units are exposed to the northwest on Mitkof and 

·xupreanof Islands (Brew and others, 1984). 

BLM personnel collected three samples from the Wrangell Airport Pit to assess the potential for 

a rare-earth resource (Map no 59, samples 3821-23). Analytical results indicate low rare-earth 

values in the samples collected. 

Conclusions 

This prope1ty should probably not be considered an occurrence. Allanite, though a ceriumbearing epidote that in places contains yttrium, apparently is fairly common in the area. In 

addition, cerium and yttrium silicate minerals don't appear to be significant sources for these 

elements. Instead, these elements are more likely produced from oxides. 

116 

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Location/ Access 

SALAMANDER CREEK PIT 

(Plate 1, Map no. 60) 

The Salamander Creek borrow pit is located near the Salamander Creek picnic area, which is 

7.5 miles from the beginning of Forest Service road 6265 on Wrangell Island. It is about 14 miles 

south-southeast of Wrangell. The topography in the area is moderately steep with second-growth 

timber and brush cover. Access to the prospect is by vehicle. 

History 

The Salamander Creek borrow pit is spectacularly iron-stained with orange, red, and yellow. It 

was reported by a helicopter pilot as well as by USGS geologist Dave Brew. Brew was the first 

to map this pit in detail, and he reported its potential importance to the BLM via electronic mail in 

1998. 

Mineral Assessment 

The Salamander Creek borrow pit is located in Upper Cretaceous, metamorphosed, Stephens 

Passage Group rocks near their contact with Upper Cretaceous biotite granodiorite (Brew, 

1997c). 

The BLM' s examination revealed a cont_act zone between biotite granodiorite, and schist and 

slate. The contact zone is irregular, locally brecciated, silicified, and contains disseminations and 

blebs of pyrite and pyrrhotite in biotite and muscovite schist. Locally the zone contains green and 

red garnets. Investigators collected seven samples from various parts of the contact zone. The 

two highest-grade samples contained 227 ppm copper and 17 ppm molybdenum (Map no. 60, 

samples 76, 78). 

Conclusions 

Limited BLM sampling indicates that the Salamander Creek borrow pit does not contain 

significant metal values. However, the contact zone is sufficiently interesting to encourage 

examination of the area for additional occurrences. 

117 
BRUISER 

(Plate 1, Map no. 61) 

Location/ Access 

The Bruiser property is located on the west side of Found Island, which is off the southern tip of 

Wrangell Island. It is approximately 28 miles south-southeast of Wrangell. The rocks of interest 

lie in the short cliffs along the high-tide line and are best seen at medium to low tide. Inland, the 

vegetation is very dense. The isla1:')d can be reached by boat from Wrangell. Alternatively, float 

plane and helicopter access is possible at low tide. 

History 

The Bruiser No. 1 claim was first staked on Found Island by Clint Payne in 1961. Besides the 

fact that the claim was staked for gold, information regarding the property is vague. It appears as 

though the claim was active through 1967 and again between 1970 and 1977 (Alaska Kardex, 

1982). 

Mineral Assessment 

Found Island has been mapped as Jurassic to Cretaceous sediments (Gehrels and Berg, 1992). 

Along the west-central shoreline, a network of concordant quartz veins is hosted in black sandy 

slates and staurolite schist. The veins vary in width from stringers to 3.0 feet, strike 020°, and dip 

31 ° to the southeast. The quartz v~ins appear to be nearly barren, with only minor amounts of 

pyrrhotite present. · 

BLM personnel conducted a brief reconnaissance along the western shoreline of Found Island. 

The quartz veins described above were the only rocks observed with any associated sulfides. 

Samples of the quartz veins contained up to 417 ppm tungsten, but no other significant metal 

':'alues (Map no. 61, samples 468-469, 8720-21). 

Conclusion 

The Bruiser prope~y consists of a network of barren quartz veins with no apparent mineral value. 

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NIBLACK ISLAND 

(Plate 1, Map no. 62) 

Location/ Access 

The Niblack Island occurrence is located 31 miles south-southeast of Wrangell on a small group 

of islands in Ernest Sound. The claims associated with the occurrence are on the two largest 

islands. Access to the islands is best by boat, although float plane access is possible in fair 

weather, and helicopter access is possible at low and medium tide. 

History 

In 1956 as many as ten claims were staked by six different people at various locations on the 

Niblack Islands. All the claims were staked for copper; however, there is no information of 

development work (Alaska Kardex, 1982). 

Mineral Assessment 

The rocks on the Niblack Islands are mapped as Tertiary granites (Gehrels and Berg, 1992). In at 

least one area, these granites were observed to contain small amounts of chalcopyrite. 

The BLM' s investigation of the Niblack Island occurrence consisted of three short traverses: one 

around the northern tip of the large central island, the second around the northern tip of the small 

island to the north of the long Niblack Island, and the third around the northern tip of the long 

island .. A sample of granite, collected from the north side of the small island on the second 

traverse, contained 1,725 ppm copper (Map no. 62, sample 8716). 

Conclusions 

The large number of claims staked in the Niblack Island area by six different people in the same 

year make this prospect interesting. However, the BLM' s investigation did not reveal significant 

sulfide mineralization. · 

119 
120 
MAINLAND 

Property name . . . . . . . . . . . . . . . . . . Plate 1, Map no. 

K &DMine ................................ 63 

Sun ................................. 64.1-64.2 

The Islander . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65 

Cascade ................................... 66 

Buck Bar Placer ....................... 67.1-67.6 

Mary Moose . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68 

Andrew Creek ........................ 69.1-69.9 

Groundhog Basin Area . . . . . . . . . . Figur~ 4, Map no. 

North Silver .................... 70.1-70.5 

Northeast Cliffs .................. 71.1-71.2 

AMAX Molybdenum ................... 72 

Groundhog Basin ................ 73.1-73.4 

South Silver .......................... 74 

Copper Zone .................... 75.1-75.2 

North Marsha Peak ............... 76.1-76.2 

East Marsha Peak . . . . . . . . . . . . . . . . 77 .1-77 .2 

Nelson Glacier .................. 78.1-78-2 

Huff ........................... 79.1-79.7 

West Nelson Glacier .................... 80 

Glacier Basin ......................... 81 · 

Lake . . . . . . . . . . . . . . . . . . . . . . . . . . 82.1-82.2 

Berg Basin ........................... 83 

Copper King .................... 84.1-84.2 

Property name .................. Plate 1, Map no. 

Berg ...................................... 85 

Black Crag ........................... 86.1-86.4 

Craig River area ............................. 87 

Craig Claims area ..................... 88.1-88.2 

North Bradfield River Skarn ............. 89.1-89.7 

Mt Lewis Cass ........................ 90.1-90.3 

Upper Marten Lake .......................... 91 

Bradfield River ....................... 92.1-92.3 

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K&DMINE 

(Plate 1, Map no. 63) 

Location/ Access 

The K & D Mine is on the north side of Libby Creek, which is on the mainland east of Stephens 

Passage, between Hobart Bay and Windham Bay. It is about 51 miles north-northwest of 

Petersburg. The prospect workings are about 1.5 miles from the shoreline of Stephens Passage 

and are within 50 feet of the stream embankment. The references that describe the location of 

the K & Das 2.5 miles from the beach, as it is shown on the USGS Sumdum B-5 quadrangle 

map, are in error. The site may be accessed by helicopter or on foot by walking about 0.25 

miles upstream from a logging road that crosses over Libby Creek. The logging road is part of 

the Hobart Bay logging road system of Sealaska Regional Native Corporation. The Libby Creek 

drainage is Sealaska land and the entire area around the prospect has been logged. 

History -

The K & D Mine is named after Herman Kloss and Jack Davis, the earliest recorded claimants of 

the property (U.S. Bureau of Mines, Mine Production Records). The exact date of discovery is· 

unknown. In 1939 the property was listed in Bureau of Mines records as the "Marie." The same 

records show that a 2-ton Gibson mill was on the site and that there was 90 feet of drift. In 1939 

to 1940, a total of 42 tons of ore was processed by amalgamation treatment that recovered 15 

ounces of gold and 6 ounces of silver. In 1947 to 1948, the only other years of recorded 

production, a total of 16 tons of ore was processed by amalgamation, and 10 ounces of gold and 

4 ounces of silver were recovered (U.S. Bureau of Mines, Mine Production Records). By the 

summer of 1948, the operation included a 145-foot-long adit with an associated 38-foot inclined 

shaft (Stewart, 1949). Aside from annual maintenance, no further extension of underground 

workings were reported after that time (Alaska Kardex, 1982). 

In 1950 the Bureau of Mines collected and analyzed five samples from the K & D Mine. Three of 

the samples had notable gold values: 1.95, 0.71, and 0.50 oz/ton gold (Peterson, 1950). Also 

noteworthy is the presence of native antimony, which is found near the face of the underground 

workings (Stewart, 1949). 

Mineral Assessment 

The K & D Mine area is covered by metamorphosed, Permian to Cretaceous sedimentary and 

volcanic rocks (Gehrels and Berg, 1992). The mineralized vein at the prospect is conformable 

with the structure in a graphitic, gray schist (Williams, 195 la). 

The mineralized rock at the K & D consists of a large quartz vein up to 25 feet thick. The vein is 

exposed by an adit and trenches, as well as in the bed of Libby Creek near the workings. The 

creek generally follows the strike of the vein. The vein s~rikes from 022° to 050° and dips from 

20° to 44 ° to the northwest. The vein is traceable in the adit and stream bank for 200 feet. 

123 
There were probably several periods of shearing during vein formation at the K & D, which 

allowed for multiple mineralizing episodes and the development of a complex mineral suite. The 

main quartz vein is locally thick and massive, but much of the vein is highly fractured and 

ribboned with 1- to 6-inch-thick, parallel quartz layers that make up the full width of the vein. 

The vein contains stibnite, galena, sphalerite, arsenopyrite, jamesonite, native antimony, and gold, 

which are primarily found in shoots, or in shears or fractures, within wide quartz bands. The 

strike and dip of the shoots varies somewhat from that of the main vein (Williams, 1951a). 

In 1998 BLM personnel mapped and sampled the surface features and outcrops at the K & D site. 

At the time of examination, the adit portal was partly caved and the workings flooded, so the 

underground features were not examined or sampled. 

Five of the BLM's 12 samples collected from the K & D Mine had gold concentrations at or 

above 800 ppb. The highest-grade sample contained 0.757 oz/ton gold, 50 ppm silver, 1.27 

percent arsenic, and anomalouslY. high lead, zinc, and cadmium over 23 feet (Map no. 63, sample 

3693). This sample was taken from the northeast side of a small, shallow, inclined shaft located 

southwest of the main adit. Field observations and chemical analyses indicate that the gold in this 

sample was probably associated with arsenopyrite. The sample with the next highest grade was 

collected from the same location. It contained 7,447 ppb gold, 169 ppm silver, 1.06 percent lead, 

over 10,000 ppm arsenic, and anomalously high levels of zinc, cadmium, mercury, and antimony 

(Map no. 63, sample 3694). All of the samples with high gold values also had anomalously high 

arsenic values. 

Conclusions 

Although the quartz vein at the K & D Mine is relatively large and continuous, elevated preciousmetal contents are .restricted to isolated parts of the vein. The mineralized parts of the vein are 

generally thin and discontinuous. As now known, the K & D Mine is unlikely to become a 

significant precious- or base-metal resource. 

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SUN 

(Plate 1, Map nos. 64.1-64.2) 

Location/ Access 

The Sun prospect is located on the south side of Glory Lake, east of Port Houghton and about 

36 miles north of Petersburg. The prospect is located near the mouth of the longest drainage that 

flows into the south side of Glory Lake, near its eastern end. The easiest access to the site is by 

helicopter or float plane. In the past, access was available by a trail that lead from Farragut Bay, 

along the Farragut River, across Farragut Lake, and on to Glory Lake. The prospect is situated at 

an elevation of 500 feet in steep topography. Vegetation in the area is re-establishing itself 

following recent glaciation. 

History 

Glenn Reid of Petersburg, Alaska, held the Sun claims in 1974 (Alaska Kardex, 1982). There is 

no other published record of activity at the site. Except for a single exploratory drill hole, BLM 

investigators found no evidence of mining activity. 

Mineral Assessment 

Detailed geologic maps are not available for the Sun prospect area, but a regional map describes a 

tonalite of Paleocene or Cretaceous age in the vicinity (Gehrels and Berg, 1992). In the · 

immediate area of the prospect, the host rock is a gneiss. The foliation in the gneiss strikes 311 ° 

·· and dips 82° to the northeast. 

The Sun prospect consists of a band of galena and sph~lerite, 0.1 feet wide by 11 feet long, that is 

conformably hosted in gneiss. Located on the western side of the drainage, the band is exposed at 

the base of a small cliff only a few hundred yards from the lakeshore. The exposure measures 

approximately 3 feet horizontally and 10 feet vertically. 

BLM personnel collected two samples from the Sun prospect. One sample from the sulfide band 

contained 1,411 ppb gold, 1,245.5 ppm silver, 9.99 percent lead, 7.1 percent zinc, 726.3 ppm 

cadmium, and 3.54 ppm mercury (Map no. 64.2, sample 389). Investigators took a select sample 

from a boulder they found in the stream adjacent to the Sun occurrence. The boulder contained 

pyrite and a small amount of chalcopyrite. It had an elevated copper content of 1,888 ppm (Map 

no. 64.2, sample 8656). They also took a stream sediment sample from a drainage to the west of 

the Sun occurrence. The sample contained 71 ppb gold (Map no. 64.1, sample 2807). 

Conclusions 

Although the assay of the vein at the Sun occurrence is quite high, the vein is only 0.1 foot wide. 

Additional examination of the area might be warranted, but as now known, the prospect is of little 

economic significance. 

125 
Location/ Access 

THE ISLANDER 

(Plate 1, Map no. 65) 

The Islander prospect lies on the east side of Steamboat Bay, 0.3 miles southeast of Foot Island 

and 6 miles north of Cape Fanshaw. It is 39 miles northwest of Petersburg and is accessible by 

boat, float plane, or helicopter. The property occupies a small, low-elevation peninsula that 

extends westerly a few hundred feet into Steamboat Bay from the mainland. At high tide, the 

peninsula becomes an island, with its highest point no more than 10 feet above sea level. Some 

grass and a few small trees grow on the highest part of the island. 

History 

The first record of mineral exploration activity at The Islander prospect is a claim filed by S.A. 

Wilson in 1952 (Alaska Kardex, 1982). An examination of the property was made by James A. 

Williams of the Alaska Territorial Department of Mines also in 1952 (Williams, 1952). The 

BLM's examination of the prospect in 1998 revealed no evidence of mining activity. 

Additional prospecting in the area has occurred on the northeast side of Foot Island, half a mile to 

the northwest of The Islander. Mineralized rock, similar to that at the prospect, was reported by 

H.T. Olson on Foot Island (Williams, 1952). In 1953 there was also a prospect listed as 

"Discovery Zinc" in the southeastern comer of Steamboat Bay. The reported location would 

place it about a quarter of a mile east of The Islander prospect (Alaska Kardex, 1982). 

Mineral Assessment 

The country rock at The Islander prospect is a fractured graywacke, which has zones or stringers 

of dark, bluish gray calcium carbonate cutting through it (Williams, 1952). The carbonate 

stringers include zones heavily mineralized with sulfides, particularly pyrite and sphalerite. 

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Williams took five samples from the carbonate zones, which measured from 3 to 12 inches in l. 

width. The assays of the samples showed from 0.16 to 0.48 oz/ton gold and 1.91 to 7.5 percent 

zinc (Williams, 1952). 

BLM personnel examined the Islander property in 1998. The veins at the site strike from 055° 

to 095°, with most from 085° to 095°. Dips are as little as 24°, but most are more than 50° to the t . 

south. The veins with the highest gold values tend to dip very steeply (greater than 79°) to the 

south or east. As Williams (1952) noted, the veins tend to be short, discontinuous, and narrow 

(no greater than 1 to 12 inches in width). 

BLM personnel collected five samples of mineralized veins at the prospect. A sample from an 11-

foot-long vein on the western side of the island contained 7,352 ppb gold, 2.5 percent zinc, and 

anomalously high levels of copper, cadmium, and mercury (Map no. 65, sample 385). A sample 

from a 19-foot-long vein on the southern side of the island contained 1.077 oz/ton gold, 9.7 

percent zinc, over 10,000 ppm arsenic, and anomalously high levels of silver, copper, cadmium, 

and mercury (Map no. 65, sample 387). Sample 8654 (Map no. 65) had 0.669 oz/ton gold, 8.2 

126 \ 

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percent zinc, over 10,000 ppm arsenic, and anonymously high levels of silver, copper, cadmium, 

and mercury. Most of the samples that had anonymously high gold values also had anonymously 

high arsenic, silver, copper, cadmium, and mercury values. 

BLM investigators collected several samples from sulfide-bearing graywacke that hosts the 

mineralized veins. Sample 8653 across 7.5 feet contained 1,645 ppb gold and 1.5 percent zinc; 

sample 8652 across 0.45 feet contained 7,584 ppb gold and 8.6 percent zinc. 

Conclusions 

Although the precious-metal content of the veins at The Islander prospect is relatively high, there 

is insufficient tonnage to make them a likely exploration or development target. However, the 

veins at the prospect strike generally east-west. So the mainland east of The Islander might 

provide an opportunity for finding additional occurrences. S .A. Wilson, the original claimant, 

reportedly examined that area, but to no avail (Williams, 1952). 

127 -
Location/ Access 

CASCADE MINE 

(Plate 1, Map no. 66) 

The Cascade Mine is located on the east side of Thomas Bay, a quarter of a mile southeast of 

Spray Island and half a mile south of the mouth of Cascade Creek .. The property is 14 miles 

northeast of Petersburg and is accessible by boat, float plane, or helicopter. There is a trench 

located adjacent to the shoreline just above high-tide level. _There are also two adits less than 200 

feet inland at elevations· of 20 and 36 feet. The topography within half a mile of the beach is 

moderately steep and is covered by vegetation of thick brush and timber typical of Southeast 

Alaska's rainforest. 

History 

The original discovery date of the Cascade Mine is not known, but records show that the property 

was held by Colp and Lee of Petersburg in 1920 and for a few years thereafter (Wright, 1945). 

Sometime before 1921, a vein-reportedly carrying pyrite, arsenopyrite, and minor chalcopyrite, 

pyrrhotite, and argentiferous galena-was explored by a short tunnel" (Berg and Cobb, 1967). The 

property was restaked by Harry D. Colp, F.R. Porter, and Fred H. McGill in 1944 (Wright, 1945). 

In 1948 the production of 4 tons of ore yielding 6 ounces of gold and 1 ounce of silver was 

reported by Don Thomas to the Bureau of Mines (U.S. Bureau of Mines, Mine Production 

Records). 

Mineral Assessment 

The rock units in the Cascade Mine area are mapped as Cretaceous to Tertiary, metamorphosed, 

bedded, and intrusive rocks. Units include biotite schist, biotite gneiss, and gneissic biotite 

granodiorite and quartz monzodiorite (Brew and others, 1984). Buddington (1923) describes the 

rocks hosting the gold-bearing veins at the prospect as hornblende and quartz-mica schists. 

The Bureau of Mines made its first examination of the Cascade Mine in 1944 and took two 

samples for analysis. The Bureau of Mines returned in 1989 to map and sample the claim again. 

During this examination, investigators observed that the mineralized rock is associated with two 

individual fault zones that strike 280° and dip 65° to the northeast. An isolated high-grade sample 

from an opencut yielded 0.22 oz/ton gold (Maas and Redman, 1989). 

The rocks hosting the mineralization at the Cascade Mine are predominantly felsic schists. They 

include garnet-biotite-chlorite schist, quartz-biotite schist, and more silicified schist. The fault 

zones that concentrate the mineralization are more strongly silicified than the surrounding host 

rocks and include numerous quartz stringers. Sulfides in the fault zones include pyrite and 

arsenopyrite. In places the silicified schist also contains bands of fine-grained sulfides, mainly 

pyrite, that are parallel to the foliation in the schist as well as in crosscutting stringers. 

The mineralized rock at the Cascade Mine is controlled by faults, where silicification is 

accompanied by the introduction of sulfides including pyrite, galena, and arsenopyrite. BLM 

128 

r . 
investigators collected eight samples from the surface and underground workings at the Cascade 

Mine. The sample with the highest grade contained 589 ppb gold over 3.5 feet (Map no. 66, 

sample 2801 ). The series of eight samples showed a correlation between elevated gold and 

arsenic values. 

Conclusions 

The BLM' s examination of the Cascade Mine reaffirmed the conclusions of earlier investigators 

that there are insufficient grades and tonnages at the property to consider development. To date, 

similar mineralization is unknown in the Cascade area, so the potential forrdiscovery of an 

economically significant deposit is considered to be low. 

129 
BUCKBAR 

(Plate 1, Map nos. 67.1-67.6) 

Location/ Access 

The Buck Bar prospect is 20 miles northeast of Wrangell, on the north side of the Stikine River. 

References do not give an exact location, but descriptions suggest it is between Shakes Slough 

and the mouth of the Ketili River. In that area, the northern side of the Stikine River is flat and 

brushy for about a mile north of the river. Access to the area is by boat or float plane. Helicopter 

access is restricted because the site is within the Stikine-Leconte Wilderness area. 

History 

In 1863 W.P. Blake observed that the Buck Bar area contained fine gold in "coarse river drift" 

and that some miners had staked claims in the vicinity. The Buck Bar occurrence was supposed 

to have been discovered in 1861 and to have been the first gold to be profitably mined in Alaska 

(Brooks, 1923). It is not known how much gold may have been recovered. After 1923 there 

apparently are no additional references to the Buck Bar prospect in published literature. 

Mineral Assessment 

Brooks (1923) specifically refers to the Buck Bar prospect on the lower Stikine River in his 

description of bar deposits. He goes on to describe bar deposits as a special type of fluviatile 

placer deposit in which gold is deposited on stream bottoms as a result of eddy curren_ts. The~e 

deposits, usually of small volume, consist of very fine gold (Brooks, 1923). Although typically 

,-

\ 

low-grade, some flood deposits can be profitably worked for a short time every year following the t. 

annual river flood. 

The BLM collected 12 samples at the Buck Bar prospect, 10 of which were within the flood plain 

qf the Stikine River (Map nos. 67.1-67.6, samples 86-89, 249-253, and 2856-58). Three samples 

were pan concentrates and nine were stream sediment samples. None of the 12 samples had 

significant gold contents. The highest gold value was 80 ppb (Map no. 67.4, sample 251). 

Conclusions 

The BLM' s examination of the Buck Bar area failed to reveal even modest amounts of gold in the 

river deposits. In explanation, either the water level was too high to expose the bar deposits, the 

wrong locations were sampled, or the published records are in error. It is also possible that the 

river's flow patterns have changed over the years and that the bar deposits exploited in 1861 are 

occurring elsewhere in the river. If the historic Buck Bar occurrence was truly a bar deposit as 

described by Brooks (1923), its potential for hosting a sizeable deposit is small. The wilderness 

land status around the Buck Bar prospect also limits the potential for development of occurrences 

in the area. 

130 
Location/ Access 

MARY MOOSE 

(Plate 1, Map no. 68) 

The Mary Moose placer prospect is 14 miles north-northeast of Wrangell. It is located near the 

mouth of Andrew Creek, about half a mile upstream of its confluence with the Stikine River. The 

area is relatively flat river flood plain with thick brush. It is only about 20 feet above sea level. 

Access is by boat or float plane. Helicopter access is restricted because the site is within the 

Stikine-Leconte Wilderness area. 

History 

Little is known about the Mary Moose prospect. A Mine Safety and Health Administration 

(MSHA) file is the only reference. On August·30, 1979, the prospect was classified by MSHA as 

permanently abandoned, and all information regarding it was removed from their files (W. W. 

Wilson, MSHA, written cornmun., 1999). There has been no known production from the 

prospect. 

Mineral Assessment 

The BLM carried out an aerial reconnaissance of the Mary Moose placer looking for any evidence 

of past mining activity. Nothing was detected. Investigators collected four stream sediment 

samples from the ar~a reported to be the prospect site (Map 68, samples 84-85, 247-248). None 

of the samples contained significant inetal values. The highest gold value was 29 ppb (Map no. 

68, sample 248). 

Conclusions 

Because the Mary Moose placer prospect is within the Stikine-LeConte Wilderness, further 

exploration is not permitted and none seems warranted. There is no obvious physical evidence of 

previous mining activity in the prospect area. 

131 
Location/ Access 

ANDREW CREEK 

(Plate 1, Map nos. 69.1-69.9) ! 

I 

Andrew Creek flows into the Stikine River from the south, about 14 miles north-northeast of f 

Wrangell. The Andrew Creek occurrence is located near the head of the South Fork of Andrew 

Creek, about 8 miles from its mouth, and 12.5 miles northeast of Wrangell. The broad, U-shaped 

valley of the South Fork of Andrew Creek is typical of many Southeast Alaska valleys; the floor is 

gently sloping along its length, but steepens at its sides where the surrounding ridges rise to about 

3,000 to 4,000 feet. The valley floor is covered with alder brush, stunted conifers, and muskeg 

grasses. The occurrence is situated within the Stikine-LeConte Wilderness. It is accessible by 

helicopter, although helicopter access is restricted due to the wilderness status in the area. An 

alternate means of access would be an arduous hike from the mouth of Andrew Creek on the 

Stikine River. 

History 

BLM personnel discovered visible gold in a piece of quartz float on the South Fork of Andrew 

Creek in 1997. They did a follow-up investigation in the area in 1998. The Mary Moose placer 

claims (Map no. 68) were staked at the mouth of Andrew Creek sometime prior to 1979. 

However, there is no mention of a lode occurrence farther up the drainage. 

Mineral Assessment 

The Coast Range megalineament of Brew and Ford (1978) runs along the South Fork of Andrew 

Creek (Brew, 1997H). The area is marked by Cretaceous intrusions southwest of the 

megalineament and Tertiary intrusions to the northeast. Hosting the intrusions are schists and 

gneisses, which have commonly been migmatized by the intrusions. Metamorphic grade increases 

to the northeast and reaches amphibolite to upper amphibolite facies in the South Fork area 

(Brew, 1997H). 

The South Fork of Andrew Creek is along strike with the mineralized rocks of Groundhog Basin 

to the southeast. However, gold in quartz veins is not known in the Groundhog Basin area. 

A general reconnaissance examination of the South Fork of Andrew Creek area in 1997 led to the 

discovery of a small amount of visible gold in quartz from stream float on the southeast side of the 

creek (0.822 oz/ton gold; Map no. 69.3, sample 146). Bi.M investigators collected 21 stream 

sediment samples and 1 pan concentrate sample in 1998 in an attempt to locate the source of the 

gold. The stream sediment samples contained up to 493 ppb gold (Map no. 69.3, sample 363) 

and the pan concentrate sample had 1,058 ppb gold (Map no. 69.1, sample 2859). The sample . 

results did not indicate a source area for the gold. In addition to the stream samples, investigators 

examined drainages above the visible gold sample site. They did not discover any more visible 

gold nor obviously prospective outcrops. However, they did sample additional quartz float. One 

sample contained 1,992 ppb gold (Map no. 69.5, sample 2850). Other float samples contained 

from 137 to 693 ppb gold (Map nos. 69.3-69.5, samples 2849-51, 3750, 3800, 9688-90). 

132 
Conclusions 

The potential exists for a lode gold resource in the upper Andrew Creek valley. Not only was 

visible gold found in a piece of quartz float, but historic placer claims were located near the mouth 

of the creek. So far, BLM samples have indicated elevated gold values only in a restricted area on 

the floor of the Andrew Creek valley. This area is within the Stikine-LeConte Wilderness. 

Additional work in the area might include examination of the margins of the valley, above the area 

where elevated gold samples were collected-outside the wilderness. 

133 
[ ' 

[ 

134 
GROUNDHOG BASIN AREA 

135 
NORTH SILVER 

(Figure 4, Map nos. 70.1-70.5) 

Location/ Access 

The North Silver prospect is located at the northern end of the Groundhog Basin area (Figure 4), 

_about 13 miles east of Wrangell. The topography and vegetation in the area are alpine with 

glaciers and permanent snowfields to the south and east. Elevations range from 3,000 feet to 

4,300 feet. Access is by helicopter. 

History 

During the late 1950's, the Moneta Porcupine Company staked claims and explored in the 

Groundhog Basin area, but subsequently dropped its claims. With the permission of Moneta 

Porcupine, two former company prospectors, William Huff and James Fucas, continued work in 

the area and staked new claims (Berryhill, 1964). William Huff discovered the North Silver · 

prospect in 1963. In 1965 the clai~s were optioned by the Bunker Hill Mining Co., which drilled 

7 holes, ranging in length from 85 to 224 feet, and blasted several pits. The property was 

dropped at the end of the field season (Bunker Hill Company, 1965). From 1968 to 1970, 

Humble Oil and Refining Co. optioned the property (Humble Oil and Refining Company, 1970a). 

Later, El Paso Natural Gas Co. optioned the property from 1971 to 1973 and conducted 

geophysics and sampling on the western side of the prospect (George and Wyckoff, 1973). 

AMAX Exploration Inc. optioned the property from 1976 to 1981 (AMAX Exploration Inc., 

1981). Five claims were active in the North Silver area in 1999. 

Mineral Assessment 

The Groundhog Basin area consists of a belt of metamorphosed, Paleozoic sediments and 

volcanics about 1.5 miles wide that strikes about 330° and dips_ about 50° to the northeast. The 

belt is bounded on the east by the 60- to 70-rnillion-year-old great tonalite sill (Brew and Morrell, 

1983; Brew, 1997h) and on the west by 90-rnillion-year-old granodiorite (AMAX Exploration 

Inc., 1981). On the northern side of Groundhog Basin, a 16.3-million-year-old biotite granite 

stock intrudes the metamorphic rocks. Sills and dikes of rhyolite composition extend from the 

stock to form predominately concordant quartz porphyry. The rhyolite sills predominate in the 

western third of the metamorphic belt (George and Wyckoff, 1973; AMAX Exploration Inc., 

1981). Studies by Newberry and Brew (1989) indicate that the biotite granite stock is a 

. zinnwaldite "tin" granite and that several base-metal deposits in the area are related to this tin 

granite. 

The belt of sedimentary and volcanic rocks in the Groundhog Basin area has been metamorphosed 

to upper greenschist or lower amphibolite facies to form quartz-mica schists and hornblendebiotite-pyroxene-feldspar gneiss. Metamorphism has also produced granulite ( calc-silicate 

gneiss) along layers in the metamorphic rocks (George and Wyckoff, 1973). 

136 

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0.5 

L 

GROUNDHOG BASIN 

1 :31,680 

N 

0 0.5 

Miles 

Base map modified from U.S.G.S. 1 :250,000 scale 

quadrangles (Petersburg, Bradfield Canal) 

1 

Figure 4. - Map of the Groundhog Basin area showing prospects •'/32°5' 132°00' 
Studies by El Paso indicate two major fault trends in the belt of metamorphic rocks (George and 

Wyckoff, 1973). One trend is parallel to foliation and bedding; the rhyolite sills intrude along 

this trend. A crosscutting trend strikes about 025° (range 005° to 030°) and dips 45° east to 

vertical. 

Polymetallic veins and mineralized zones follow this crosscutting trend and replace small parts 

of marble beds in the North Silver area. 

The BLM' s investigation of the North Silver prospect revealed three areas of mineralization. 

The southernmost is called the Whistlepig adit area. The other two are ~eferred to simply as the 

west and north areas: the west area is located about 1,000 feet northwest of the Whistlepig adit; 

and the north area is located 4,000 feet north of the Whistlepig adit. 

Whistlepig adit area (Figure 4, Map nos. 70.4-70.5): 

The Whistlepig adit is located on a southwest-facing cliff at an elevation of 4,050 feet, just 

below the pass between Nelson Gla~ier and Groundhog Basin. The adit was likely started 

during the 1970's to intersect narrow, silver-bearing, galena-quartz veins that are exposed in the 

cliff above and to the north of the adit. The adit was started, but never completed,. and consists 

of only 20 feet of trench that exposes sheared, iron-stained, silicified gneiss with small vugs of 

quartz and fluorite. A 3.6-foot sample across the gneiss contained 954 ppm lead, 399 ppm zinc, 

and 11.9 ppm silver (Map no. 70.4, sample 8694). · 

The narrow, quartz-sulfide veins exposed in the cliff (above and north of the adit at elevations of 

4,150 to 4,200 feet) strike northeasterly and dip steeply. The veins pinch and swell and may 

extend for up to 50 feet along strike. They are mineralized irregularly and are from 0.2 to 1.0 

foot thick. Samples from the veins contained from less than 5 to 4,345 ppb gold, 11.5 ppm to 

517.62 oz/ton silver, from 778 ppm to 39.75 percent lead, and from 377 ppm to 11.0 percent 

zinc (Map nos. 70.4-70.5, samples 438-439, 120-121, 430). These samples were collected near 

the top and bottom of the cliff. BLM investigators observed old, deteriorated, fixed ropes 

hanging in the middle of the cliff face where previous workers had presumably sampled the 

veins. The adit and veins exposed in the vicinity are not mentioned in previous company 

reports. 

West area (Figure 4, Map nos. 70.2-70.3): 

The westernmost area of mineralization is located on a bench about 1,000 feet northwest of the 

Whistlepig adit at elevations ranging from 4,000 to 4,300 feet. It consists of a crosscutting shear 

zone up to 10 feet thick that strikes 020° to 040° and dips from 50° to 89° to the southeast. This 

shear zone has a 0.5- to 4-foot-thick mineralized section in its footwall that consists of massive 

and disseminated sulfides. It is irregular, pinches and swells, and is hosted in schist and gneiss. 

Four pits, or cuts, expose the mineralization through soil and turf cover in the west area. The 

northernmost pit exposes the mineralization where it drops down the northern edge of the bench 

under a permanent snowfield. In the southernmost pit, located 185 feet from the northernmost, 

both the mineralization and shear are markedly dissipated. Examination of bedrock exposures 

139 
farther to the south failed to reveal the mineralized shear zone. Measured samples across 0.5 to 

4.9 feet collected from the three northernmost pits contained from 31.3 ppm to 79.46 oz/ton 

silver, from 1,795 ppm to 33.47 percent lead, and from 2,734 ppm to 9.8 percent zinc (Map no. 

70.2, samples 122, 431-432, 8693, 9584-85). A 4.0-foot sample across the southernmost pit 

contained 19.7 ppm silver, 1,678 ppm lead, and 1,286 ppm zinc (Map no. 70.2, sample 435). 

North area (Figure 4, Map no. 70.1): 

The north area of mineralization is located 4,000 feet north of the Whistlepig adit at elevations of 

3,500 to 3,900 feet. Here crosscutting, northeasterly trending, steeply dipping shears in gneiss 

and schist host irregular, pinch-and-swell, quartz-sulfide lenses and veins. ·The veins are up to 0.8 

feet thick, and systems of veins can be traced for hundreds of feet. Less than 10 percent of the 

length of the vein system contains significant mineralization. 

Samples collected across the more mineralized parts of the most prominent vein system were 

0.2 to 0.8 feet long and contained from 7.45 to 119.32 oz/ton silver, from 4.69 to 48.61 percent 

lead, and from 2.4 to 3.6 percent zinc (Map no. 70.1, samples 124, 126, 9586-87). A 3.3-footlong sample across a less mineralized part of the vein system contained 46.6 ppm silver, 

2,451 ppm lead, and 5,245 ppm zinc (Map no. 70.1, sample 125). 

The vein system described above was drilled by the Bunker Hill Mining Co. in the early 1960's 

(diamond drill hole [DDH] 23). Assays from the drilling for veins up to 1.0 foot thick revealed 

from 0.36 to 2.9 oz/ton silver, from 0.9 to 6.71 percent lead, and from 0.4 to 2.2 percent zinc 

(Bunker Hill Company, 1965). 

Two limestone beds, 50 feet apart and up to 20 and 30 feet thick, are located to the east of the 

veins described above. These beds strike 330°, dip 45° to the east, and can be traced for 

thousands of feet. The Bunker Hill Co. DDH' s 17 to 22 penetrate either one or both of these 

limestone beds along a strike length of about 1,500 feet (Bunker Hill Company, 1965). 

Apparently, only a small part of the limestone beds is mineralized. The best mineralized zone in 

DDH 18 was an 8.5-foot intercept that contained 2.34 oz/ton silver and 0.51 percent lead. In 

DDH 19, a 0.5-foot section assayed 1.2 oz/ton silver, 0.9 percent lead, and 3.1 percent zinc. In 

DDH 22, a 0.5-foot section assayed 3.16 oz/ton silver, 10.66 percent lead, and 1.4 percent zinc. 

DDH's 21 and 17 did not contain significant mineralized intervals (Bunker Hill Company, 1965). 

The crosscutting shears in the area were probably the conduit for mineralization in the limestone 

beds. 

Conclusions 

Only small areas within the veins and limestone beds examined by the BLM and private companies 

at the North Silver prospect are mineralized. The mineralized veins pinch and swell and have 

irregular values, so are not good candidates for mineral development. The mineralized limestone, 

as indicated by drilling, is low-grade and discontinuous. However, vein sample values up to 4,345 

ppb gold, 517.62 oz/ton silver, 48.61 percent lead, and 11.0 percent zinc (at higher-grade 

locations) encourage exploration of the area for more continuous mineralization. Whereas the 

140 

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L 
veins appear to be too narrow to encourage exploration, the size and extent of the limestone beds 

present an attractive exploration target. The limestone is apparently very reactive to the 

mineralizing solutions that deposited silver, lead, and zinc along the veins. This has been 

demonstrated by the mineralized rock intersected by drilling. Areas where the limestone is 

sufficiently sheared to form a conduit for mineralizing solutions may prove to be fruitful 

exploration targets. 

141 
NORTHEAST CLIFFS 

(Figure 4, Map nos. 71.1-71.2) 

Location/ Access 

The Northeast Cliffs prospect is located near the northern end of the Groundhog Basin area, 

about 13 miles east of Wrangell. The area is alpine and cliffy and ranges in elevation from 

3,100 to 4,200 feet. Access is by helicopter to the north or south of the prospect and then by foot 

to the mineralized outcrops. 

History 

The Northeast Cliffs prospect was investigated by AMAX Exploration Inc. between 1976 and 

1981 (AMAX Exploration Inc., 1981). The claims are currently inactive. 

Mineral Assessment 

The Groundhog Basin area consists of a belt of metamorphosed Paleozoic sediments and 

volcanics about 1.5 miles wide that strikes about 330° and dips about 50° to the northeast. The 

belt is bounded on the east by the 60- to 70-million-year-old great tonalite sill (Brew and Morrell, 

1983; Brew, 1997h) and on the west by 90-million-year-old granodiorite (AMAX Exploration 

Inc., 1981). On the northern side of Groundhog Basin, a 16.3-million-year-old biotite granite 

stock intrudes the metamorphic rocks. Sills and dikes of rhyolite composition extend from the 

stock to form predominately concordant quartz porphyry. The rhyolite sills predominate in the 

western third of the metamorphic belt (George and Wyckoff, 1973; AMAX Exploration Inc., 

1981). Studies by Newberry and Brew (1989) indicate that the biotite granite stock is a 

zinnwaldite "tin" granite and that several base-metal deposits in the area are related to this tin 

granite. 

The belt of sedimentary and volcanic rocks has been metamorphosed to upper greenschist or 

lower amphibolite facies to form quartz-mica schists and hornblende-biotite-pyroxene-feldspar 

gneiss. Metamorphism has also produced granulite (calc-silicate gneiss) along layers in the 

metamorphic rocks (George and Wyckoff, 1973). 

Studies by El Paso Natural Gas Co. indicate two major fault trends in the belt of metamorphic 

rocks (George and Wyckoff, 1973). One trend is parallel to foliation and bedding. The rhyolite 

sills intrude along this trend. A crosscutting trend strikes about 025° (range 005° to 030°) and 

dips 45° east to vertical. The mineralization at the Northeast Cliffs is situated along the bedding 

plane shears. 

The Northeast Cliffs prospect consists of a 0.5-mile-long, west-facing cliff made up of gneiss, 

schist, and rhyolite. Old, frayed, fixed ropes attest to previous examinations in the area. The 

BLM' s investigation of the prospect was confined to the northern and southern ends of the cliff.· 

Investigators found iron-stained, silicified gneiss and rhyolite that contained disseminated pyrite, 

chalcopyrite, galena, and sphalerite. They collected four samples up to 2 feet long from the most 

142 

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mineralized areas. The samples contained from 112 to 980 ppm copper and from 1,569 to 9,559 

ppm zinc (Map nos. 71.1-71.2, samples 419,427,418, 2834). 

AMAX collected 40 samples from the Northeast Cliffs area. They contained up to 840 ppm zinc 

and 13 ppm silver (AMAX Exploration Inc., 1981; Hamilton, 1982a) 

Conclusions 

The BLM and AMAX' s sampling of the Northeast Cliffs prospect failed to reveal significant 

mineralization. 

143 
AMAX MOLYBDENUM 

(Figure 4, Map no. 72) 

Location/ Access 

The AMAX Molybdenum prospect is located on the northern side of Groundhog Basin, about 13 

miles east of Wrangell. The area is predominated by steep cliffs and alpine vegetation; however, 

the lower elevations are brushy. Elevations range from 2,000 to 4,000 feet. Access is by 

helicopter and by climbing steep, loose rock. The prospect is centered on a granite stock. A 

small part of the western side of the stock and adjacent rocks is covered by patented mining 

claims (MS 1580). The remainder of the area is Federal land that is open to mineral entry. The 

claims that were staked to cover the molybdenum occurrence are not currently active. 

History 

Molybdenum in the Groundhog Basin area was first reported by Smith .(1930) and briefly 

described by Gault (1953). AMAX Exploration Inc. (AMAX) was the first company to drill the 

Groundhog Basin vicinity for porphyry molybdenum deposits. Between 1976 and 1981, AMAX 

drilled four holes, ranging in length from 506 to 2,727 feet, in the vicinity of a biotite granite stock 

(AMAX Exploration Inc., 1979[?], 1981). 

Mineral Assessment 

The Groundhog Basin area consists of a belt of metamorphosed Paleozoic sediments and 

volcanics about 1.5 miles wide that strikes about 330° and dips about 50° to the northeast. The 

belt is bounded on the east by the 60- to 70-million-year-old great tonalite sill (Brew and Morrell, 

1983; Brew, 1997h) and on the west by 90-million-year-old granodiorite (AMAX Exploration 

Inc., 1981). On the northern side of Groundhog Basin, a 16.3-million-year-old biotite granite 

stock intrudes the metamorphic rocks. Sills and dikes of rhyolite composition extend from the 

stock to form predominately concordant quartz porphyry. The rhyolite sills predominate in the 

western third of the metamorphic belt (George and Wyckoff, 1973; AMAX Exploration Inc., 

1981). Studies by Newberry and Brew (1989) indicate that the biotite granite stock is a 

zinnwaldite "tin" granite and that several base-metal deposits in the area are related to this tin 

granite. 

The belt of sedimentary and volcanic rocks has been metamorphosed to upper greenschist or 

lower amphibolite facies to form quartz-mica schists and hornblende-biotite-pyroxene-feldspar 

gneiss. Metamorphism has also produced granulite (calc-silicate gneiss) along layers in the 

metamorphic rocks (George and Wyckoff, 1973). 

The BLM' s investigation of the AMAX Molybdenum prospect revealed coatings of quartz and 

molybdenite along fractures in biotite granite and gneiss (Map no. 72, sample 144). Mapping by 

AMAX indicates the biotite granite stock forms a 1,000- by 2,000-foot outcrop. Drill logs 

indicate that the molybdenite is found along fractures in granite (up to two fractures per foot) and 

to a lesser extent along bedding plane fractures in gneiss and schist. The molybdenite is 

associated with qua11z and fluorite stringers and vugs, sericite, and chlorite alteration and small 

144 

I 
amounts of tungsten (Hamilton, 1982b ). Sixteen AMAX sutface samples collected from the 

northwest comer of the stock and from 1,000 feet into the surrounding volcanic and sedimentary 

rocks contained from 6 to 190 ppm molybdenum. Three AMAX samples collected south of the 

northwest comer of the stock contained from 250 to 5,000 ppm molybdenum (details regarding 

sample type and length were not available). Six AMAX samples collected over a distance of 600 

feet from the southeast part of the stock and from adjacent volcanic and sedimentary rocks 

contained from 6 to 65 ppm molybdenum (AMAX Exploration Inc., 1981; Hamilton, 1982a). 

The four AMAX drill holes were collared to the northwest,.west, and south of the granite stock. 

All were angled toward the stock. The northwest hole reached a depth of 2,454 feet and 

bottomed in the stock. The best 100 feC;?t from this hole averaged 25 ppm molybdenum. The west 

hole reached a depth of 2,072 feet, bottomed in the stock, and had a best 100 feet that averaged 

28 ppm molybdenum. Two holes were drilled from the south. One, in gneiss its entire length, 

reached a depth of 506 feet and contained no significant molybdenum values. The other reached a 

depth of 2,727 feet, bottomed in the stock and contained from 55 to 60 ppm molybdenum from a 

depth of 2,500 to 2,727 feet (AMAX Exploration Inc., 1981; Hamilton, 1982b). 

Conclusions 

The molybdenum mineralization revealed by surface sampling and drilling in the intrusive and 

adjacent metamorphic rock is too low-grade to be of economic significance. Similar zinnwaldite 

"tin'' granite intrusives may exist elsewhere in the Groundhog Basin area. They would be 

.. considered exploration targets for porphyry molybdenum dep<?sits. 

145 
GROUNDHOG BASIN 

(Figure 4, Map nos. 73.1-73.4) 

Location/ Access 

The Groundhog Basin deposit is located at the northwest end of the Groundhog Basin area, about 

13 miles east of Wrangell. The area consists of a deep gorge that trends north-northwest, with 

steep, loose rock cliffs to the east and west and a cirque at its southern end. Elevations range 

from 1,450 to 3,600 feet, with thick brush predominating at the lower elevations and bare rock at 

the top. Avalanche snow accumulates in the floor of the gorge and commonly covers the rocks 

until late in the season. Access to the prospect is via helicopter to a landing spot in the gorge. 

The area is covered by four patented claims. 

(. 

i 

\ 

History f · 

The Groundhog Basin deposit was discovered in _1904. Between 1915 and 1917, Don Alaska 

explored the deposit, which by 1917, had four adits started on the prospect (Buddington, 1921). [' 

In 1918 the Alaska Treadwell Gold Co. examined the property (Wernecke, 1918). Buddington 

investigated it in 1921 for the USGS (Buddington, 1923). In 1930 a patent (MS 1580) was 

issued for four claims on the property. 

In 1942 Ventures Ltd. optioned the property and by 1943 had sampled it and drilled 3 holes with j 

depths of 107 to 335 feet. A resource estimate of 116,000 tons at an average grade of 8.3 

percent zinc, 2.5 percent lead, and 2 oz/ton silver for a 4-foot average width was determined 

(Smith, 1943). In 1943 the USGS mapped the area and estimated several hundred thousand tons 

of solid ore at an average grade of 8 percent zinc, 1.5 percent lead, and 1.5 oz/ton silver and 

several hundred thousand tons of disseminated ore at an average grade of 2.5 percent zinc and 1.0 

percent lead (Gault, 1953). The Bureau of Mines also examined the property in 1943 and 

estimated 120,000 indicated tons and 350,000 inferred tons. Both of these estimates were based 

on an average grade of 8.3 percent zinc, 2.5 percent lead, and 2.0 oz/ton silver with an average 

width of 4 feet (Muir, 1943). A 1944 War Minerals report estimated the indicated tonnage at 

124,000 tons with an average grade of 8 percent zinc, 2 percent lead, and 2 oz/ton silver at an 

average width of 4 feet (U.S. Bureau of Mines, 1944). 

In 1965 the Bunker Hill Mining Co. optioned the Groundhog Basin property. The area optioned 

included 294 claims, known as the Whistlepig claims that cover areas to the north, east, and south 

of the Groundhog Basin deposit. The company collected surface samples and drilled 24 holes 

with lengths of 25 to 350 feet. No new reserves were reported as a result of this work, and the 

property was dropped at the end of the 1965 field season (Bunker Hill Company, 1965). 

Between 1968 and 1981, Humble Oil and Refining Co., El Paso Natural Gas Co., and AMAX 

Exploration Inc. optioned the Whistlepig-Groundhog Basin area. These companies concentrated 

their mapping, sampling, and drilling to the north, east, and south of the Groundhog Basin 

deposit. (Humble Oil and Refining Company, 1970a; George and Wyckoff, 1973; Hamilton, 

1982). 

146 
In 1983 Houston Oil collected 19 channel samples of massive sulfide ore from the Groundhog 

Basin deposit. The 19 samples averaged 7.3 percent zinc, 2.2 percent lead, 0.17 percent copper, 

0.39 percent tin, and 1.91 oz/ton silver with an average width of 3.25 feet (Oliver, 1994). This is 

the only reported tin average from the Groundhog Basin deposit. 

In 1988 Newberry and Brew (1989) examined core and previously published company data and 

reported on the classification of the Groundhog Basin deposit. In 1992 Kennecott Exploration 

Co. briefly examined the property and evaluated earlier company reports (Wakeman, 1992). 

Mineral Assessment 

The Groundhog Basin area consists of a belt of metamorphosed Paleozoic sediments and 

volcanics about 1.5 miles wide that strikes about 330° and dips about 50° northeast. The belt is 

bounded on the east by the 60- to 70-million-year-o)d great tonalite sill (Brew and Morrell, 1983; 

Brew, 1997h) and on the west by 90-million-year-old granodiorite (AMAX Exploration Inc., 

1981). On the northern side of Groundhog Basin, a 16.3-million-year-old biotite granite stock 

intrudes the metamorphic rocks. Sills and dikes of rhyolite composition extend from the stock to 

form predominately concordant quartz porphyry. The rhyolite sills predominate in the western 

third of the metamorphic belt (George and Wyckoff, 1973; AMAX Exploration Inc., 1981). 

Studies by Newberry and Brew (1989) indicate that the biotite granite stock is a zinnwaldite "tin" 

granite and that several base-metal deposits in the area are related to this tin granite. _ 

The b~lt of sedimentary and volcanic rocks has been metamorphose~ to upper greenschist or. 

lower amphibolite facies to form quartz-mica schists and homblende-biotite-pyroxene-feldspar 

gneiss. Metamorphism has also produced granulite (calc-silicate gneiss) along layers in the 

metamorphic rocks (George and Wyckoff, 1973). 

Studies by El Paso indicate two major fault trends in the belt of metamorphic rocks (George and 

Wyckoff, 1973). One trend is parallel to foliation and bedding; the rhyolite sills intrude along this 

trend. A crosscutting trend strikes about 025° (range 005° to 030°) and dips 45° east to vertical. 

The Groundhog B~sin deposit is situated in the western part of the belt of metamorphic rocks, 

adjacent to the granodiorite, which has an eastern contact that approximately follows the regional 

north-northwest grain of the regional rocks. Immediately north of the Groundhog Basin deposit, 

the 16.3-million-year-old biotite granite stock intrudes the metamorphic belt. In places sulfides 

replace the metamorphic rocks where they have been metamorphosed to pyroxene granulite. 

These sulfide zones are tabular, follow the original bedding in the rocks (330°), and have been 

called "ore beds" by previous workers (e.g., Gault, 1953). Rhyolite sills occur adjacent to the ore 

beds. 

Four ore beds have been delineated in Groundhog Basin. They are separated by 15 to 80 feet, 

with rhyolite sills, schist, and gneiss in between. The rhyolite sills become dikes and cross the ore 

beds at one point. Disseminated and solid ore have been identified in the beds. The solid ore, 

mainly confined to the northern (lower-elevation) parts of the beds, consists predominately of 

147 
massive bands of sulfides. The disseminated ore, mainly found in the southern (higher-elevation) 

parts of the beds, consists of disseminations, pods, and discontinuous bands of sulfides. The 

sulfides are pyrrhotite, pyrite, sphalerite, galena, and chalcopyrite with a gangue of quartz, 1 · 

hornblende, pyroxene, epidote, and garnet. Cassiterite is also found in the ore beds (Smith, 1943; 

U.S. Bureau of Mines, 1944; Berryhill,1964). 

The westernmost (No. 1, lowest stratigraphically) ore bed has been traced for 4,300 feet 

horizontally and 1,900 feet vertically (Bunker Hill Company, 1965). Gault (1953) reports that it 

contains zinc along its entire length. The next highest ore bed stratigraphically (No. 2) can only 

be traced a short distance. Sampling and mapping indicate that these two beds (Nos. 1 and 2) 

contain mostly disseminated sulfides (w.here mineralized) and are not sufficiently mineralized to be 

considered important economically. 

The two easternmost ore beds (Nos. 3 and 4) can be traced for 4,800 feet horizontally and 2,100 

feet vertically (Bunker Hill Company, 1965). Surface sampling, three adits, and three diamond 

drill holes have defined a solid ore resource that is 250 feet by 705 feet in the No. 4 ore bed and 

250 feet by 405 feet in the No. 3 over an average width of 4 feet. This deposit contains 116,000 

indicated tons (Smith, 1943) at an average grade of 8 percent zinc, 2.5 percent lead, 2 oz/ton 

silver, and 0.39 percent tin (Muir, 1943; Oliver, 1984). Both Muir (1943) and Oliver (1984) 

report that the solid ore extends 1,200 feet farther to the northwest, where talus now covers th_e 

bedrock. If this is true, an additional 350,000 tons can be inferred at the same grade (Muir, 

1943). These are indicated and inferred resources and do not ~onstitute "ore" in the economic 

sense. 

The Bunker Hill Co. sampled and drilled 23 shallow holes both in the four ore beds and in their 

general vicinity in 1965. This work tested the near surface of the ore beds through a horizontal 

distance of 4,800 feet and a vertical distance of 2,100 feet. Bunker Hill did not report new 

resource figures as a result of its efforts. Most of its work indicated grades well below the solid 

ore grades presented above (Bunker Hill Company, 1965). 

The BLM' s investigation of the Groundhog Basin deposit was mostly confined to taking grab 

samples from adits and dumps and tracing mineralized zones. Four prospect adits are located at 

elevations of 1,600 feet (No. 1), 1,850 feet (No. 2), 2,050 feet (No. 3), and 2,130 feet (~o. 4). 

The No. 1 adit is 17 feet long and open. It exposes the No. 1 ore bed. The No. 2 adit is 246 feet 

long and open. It exposes the Nos. 2, 3, and 4 ore b~ds. The No. 3 adit is located in the middle 

of a cliff and was not examined because of the precipitous surrounding ground. Its portal appears 

to be open. The No. 4 adit is 14 feet long and is open. It exposes the No. 4 ore bed. Samples 

from the adits and dumps contained up to 6.4 oz/ton silver, 3,400 ppm copper, 10.57 percent 

lead, 9.1 percent zinc, and 6,115 ppm tin (Map nos. 73.2-73.4, samples 98-100, 264-265, 2610-

11). 

148 

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Conclusions 

The Groundhog Basin deposit, as it is currently known, is too narrow and the tonnage is too small 

to be considered an attractive exploration target. The replacement nature of the ore beds, 

proximity of the intrusive to the mineralized zones, and mineralogy of the Groundhog Basin 

deposit indicate that the most suitable deposit classification is polymetallic replacement. Typical 

polymetallic replacement deposits contain about 1.8 million tons, and the largest deposits are 

between 14 and 90 million tons (Cox and Singer, 1986). To date, exploration of the Groundhog 

Basin deposit has been near the sutface. Exploration of the deposit to a greater depth may reveal 

an attractive development target. 

149 
SOUTH SILVER 

(Figure 4, Map no. 74) 

Location/ Access 

The South Silver prospect is located near the northern end of the Groundhog Basin area, about 

13 miles east of Wrangell. The area is alpine. Elevations range from 3,900 feet to 4,362 feet at 

the summit of a peak in the area. Access is by helicopter. 

History 

The South Silver prospect was first drilled and sampled by EI Paso Natural Gas Co. between 1971 

and 1973. The claims are not currently active. 

Mineral Assessment 

The Groundhog Basin area consists of a belt of metamorphosed Paleozoic sediments and 

volcanics about 1.5 miles wide that strikes about 330° and dips about 50° to the northeast. The 

belt is bounded on the east by the 60- to 70-million-year-old great tonalite sill (Brew and Morrell, 

1983; Brew, 1997h) and on the west by 90-million-year-old granodiorite (AMAX Exploration 

Inc., 1981). On the northern side of Groundhog Basin, a 16.3-million-year-old biotite granite 

stock intrudes the metamorphic rocks. Sills and dikes of rhyolite composition extend from the 

stock to form predominately concordant quartz porphyry. The rhyolite sills predominate in the 

western third of the metamorphic belt (qeorge and Wyckoff, 1973; AMAX Exploration Inc., 

1981). Studies by Newberry and Brew (1989) indicate that the biotite granite stock is a 

zinnwaldite "tin" granite and that several base-metal deposits in the area are related to this tin 

granite. -

The belt of sedimentary and volcanic rocks has been metamorphosed to upper greenschist or 

lower amphibolite facies to form quartz-mica schists and homblende-biotite-pyroxene-feldspar 

gneiss. Metamorphism has also produced granulite (calc-silicate gneiss) along layers in the 

metamorphic rocks (George and Wyckoff, 1973). 

Studies by El Paso indicate two major fault trends in the belt of metamorphic rocks (George and 

Wyckoff, 1973). One trend is parallel to foliation and bedding; the rhyolite sills intrude along this 

trend. A crosscutting trend strikes about 025° (range 005° to 030°) and dips 45° east to vertical. 

The mineralized rock at the South Silver prospect follows both the bedding plane and crosscutting 

shears. 

The BLM's investigation of the South Silver prospect revealed a quartz vein/stringer zone up to 

10 feet thick located near the summit of a 4,362-foot peak. The vein/stringer zone follows shears 

in the gneiss that are approximately parallel to foliation. Rhyolite sills and schist along with the 

gneiss form the country rock in the area. BLM investigators collected four samples from the 

mineralized zone (Map no. 74, samples 428, 8690-92). Sample 8691 contained 63.9 ppm silver 

and 1,417 ppm zinc. Sample 8690 contained 1,089 ppm tin. 

150 

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El Paso sampled along a line that extended from near the summit of the 4,362-foot peak in a 

south-southwesterly direction for 1,900 feet. The company collected over 200 samples along this 

line. The six best samples contained from 840 to 1,655 ppm zinc and from 320 to 2,720 ppm 

lead. These were from 5 to 10 feet long. El Paso collared a 149-foot-deep, inclined drill hole 

near the summit of the 4,362-foot peak that angled south-southwest. A 32-foot intercept 

consisted of rhyolite and granulite with sphalerite- and galena-bearing quartz stringers and 

averaged 0.7 percent zinc, 1.0 percent lead, and 0.3 oz/ton silver (George and Wyckoff, 1973). 

Conclusions 

Drilling and sampling of the South Silver prospect failed to reveal significant mineralized rock. 

151 
COPPER ZONE 

(Figure 4, Map nos. 75.1-75.2) 

Location/ Access 

The Copper Zone prospect is located on the north-facing wall of a cirque at the head of 

Groundhog Basin, about 13 miles east of Wrangell. The area, above tree line with permanent 

snowfields, ranges in elevation from 3,000 to 4,000 feet. Access is by helicopter via a helipad at 

3,600 feet elevation. The land in the area is Federal land and open to mineral entry. 

History 

The first reported work on the Copper Zone was by El Paso Natural Gas Co. During 1972 the 

company carried out a geophysical survey (EM), drilled 9 holes, and collected 1,044 rock chip 

samples (George and Wyckoff, 1973). There are currently no active claims in the area. 

Mineral Assessment 

The Groundhog Basin area consists of a belt of metamorphosed Paleozoic sediments and 

volcanics about 1.5 miles wide that strikes about 330° and dips about 50° to the northeast. The 

belt is bounded on the east by the 60- to 70-million-year-old great tonalite sill (Brew and Morrell, 

1983; Brew, 1997h) and on the west by 90-million-year-old granodiorite (AMAX Exploration 

Inc., 1981). On the northern side of Groundhog Basin, a 16.3-million-year-old biotite granite 

stock intrudes the metamorphic rocks. Sills and dikes of rhyolite composition extend from the 

stock to form predominately concordant quartz porphyry. The rhyo,Iite sills predominate in the 

western third of the metamorphic belt (George and Wyckoff, 1973; AMAX Exploration Inc., 

1981). Studies by Newberry and Brew (1989) indicate that the biotite granite stock is a 

zinnwaldite "tin" granite and that several base-metal deposits in the area are related to this tin 

granite. 

The belt of sedimentary and volcanic rocks has been metamorphosed to upper greenschist or 

lower amphibolite facies to form quartz-mica schists and homblende-biotite-pyroxene-feldspar 

gneiss. Metamorphism has also produced granulite (calc-silicate gneiss) along layers in the 

metamorphic rocks (George and Wyckoff, 1973). 

The BLM' s investigation of the Copper Zone revealed rhyolite sills up to 60 feet thick that 

generally follow the foliation in the gneiss and schist. Fractures that are parallel to and crosscut 

(trend to the northeast) the foliation host disseminated chalcopyrite. Rarely, lenses and bands of 

massive chalcopyrite and pyrrhotite up to 0.4 feet thick occupy the fractures. Chip samples up to 

0.7 feet long across the better-mineralized lenses and bands contained up to 4,580 ppb gold, 

19.65 oz/ton silver, 8.1 percent copper, 1.71 percent lead, 2.7 percent zinc, and 1,728 ppm tin 

(Map nos.75.1-75.2, samples 131, 133, 9596). 

El Paso's 1,044 rock chip samples from the Copper Zone area delineate a 125- by 160-foot zone 

that averages 0.11 perc~nt copper. Lower-grade samples define an anomalous strike length of 

152 

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about 500 feet. Sampling to the southwest of the known mineralized area indicate the zone is not 

continuous in that direction (George and Wyckoff, 1973). 

The 9 holes that El Paso drilled range in length from 58 to 442 feet, in the Copper Zone area. 

One hole penetrated the northwestern comer of the 125- by 160-foot zone and averaged 0.11 

percent copper over a length of 70 feet. This 70-foot intercept also contained from 135 to 6,650 

ppm zinc, from 2 to 66 ppm silver, and from 19 to 53 ppm molybdenum. The remaining 8 holes 

were collared up to 400 feet north, 1,500 east, and 1,500 feet southeast of the above hole. All 

failed to intersect significantly mineralized rock (George and Wyckoff, 1973). 

Conclusions 

The copper mineralization revealed by surface sampling and drilling in the rhyolite, schist, and 

gneiss of the Copper Zone is too small and too low-grade to be an attractive development target. 

• If areas down dip and along strike can be detected that are more fractured and that have a more 

reactive host rock, they may prov~ to be better exploration targets. 

153 
NORTH MARSHA PEAK 

(Figure 4, Map nos. 76.1-76.2) 

Location/ Access 

The North Marsha Peak prospect is located on the north ridge of Marsha Peak, about 13 miles 

east of Wrangell. The area is alpine and ranges in elevation from 4,000 to 4,400 feet. The 

Nelson Glacier is immediately to the east. Access is by helicopter. 

History 

In 1943 the USGS mapped the North Marsha Peak area (Gault, 1953). In 1965 this prospect was, 

optioned by the Bunker Hill Mining Co. The property was dropped at the end of the field season 

in 1965 (Bunker Hill Company, 1965). Between 1968 and 1970, Humble Oil and Refining Co. 

optioned the property and drilled two holes to the east of it through the Nelson Glacier ice 

(Humble Oil and Refining Company, 1970a, 1970b). El Paso Natural Gas Co. optioned the 

property from 1971 to 1973 and contj.ucted mapping and sampling. The company drilled three 

holes with lengths ranging from 116 to 230 feet (George and Wyckoff, 1973). AMAX 

Exploration Inc. optioned the property from 1976 to 1981 (Hamilton, 1982). In 1992 Kennecott 

Exploration briefly examined the property and the El Paso reports (Wakeman, 1992). No claims 

in the area are currently active. 

Mineral Assessment 

The Groundhog Basin area consists of a belt of metamorphosed Paleozoic sediments and 

volcanics about 1.5 miles wide that strikes about 330° and dips about 50° to the northeast. The 

belt is ~ounded on the east by the 60- to 70-million-year-old great tonalite sill (Brew and Morrell, 

1983; Brew, 1997h) and on the west by 90-million-year-old granodiorite (AMAX Exploration 

Inc., 1981). On the northern side of Groundhog Basin, a 16.3-million-year-old biotite granite 

stock intrudes the metamorphic rocks. Sills and dikes of rhyolite composition extend from the 

stock to form predominately concordant quartz porphyry. The rhyolite sills predominate in the 

western third of the metamorphic belt (George and Wyckoff, 1973; AMAX Exploration Inc., 

1981). Studies by Newberry and Brew (1989) indicate that the biotite granite stock is a 

zinnwaldite "tin" granite and that several base-metal deposits in the area are related to this tin 

granite. 

The belt of sedimentary and volcanic rocks has been metamorphosed to upper greenschist or 

lower amphibolite facies to form quartz-mica schists and hornblende-biotite-pyroxene-feldspar 

gneiss. Metamorphism has also produced granulite (calc-silicate gneiss) along layers in the 

metamorphic rocks (George and Wyckoff, 1973). 

Studies by El Paso indicate two major fault trends in the belt of metamorphic rocks (George and 

Wyckoff, 1973). One trend is parallel to foliation and bedding; the rhyolite sills intrude along this 

trend. A crosscutting trend strikes about 025° (range 005° to 030°) and dips 45° east to vertical. 

Polymetallic mineralized zones follow both the bedding plane and crosscutting trends in the North 

Marsha Peak area. 

154 

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BLM work at the North Marsha Peak prospect was confined to a brief investigation of the ridge 

crest at elevations from 4,300 to 4,400 feet and did not include the eastern side of the ridge near 

the glacier. Samples up to 2.4 feet long of the more strongly mineralized rock from a 10-footwide, silicified shear zone contained up to 5,661 ppb gold, 8.8 oz/ton silver, 1.7 percent copper, 

1,144 ppm lead, and 14.5 percent zinc (Map nos.76.1-76.2, samples 440, 2642-43, 8697-98). 

El Paso collected 228 surface samples, blasted three trenches, and drilled three holes between the 

elevations of 4,000 feet at the western edge of the Nelson Glacier and 4,400 feet on the north side 

of Marsha peak. The exploration targeted two bedding plane shear zones that are separated by 

750 feet of gneiss and rhyolite sills. These zones strike generally to the north and dip about 50° to 

the east (George and Wyckoff, 1973). 

The westernmost shear is from 4 to 12 feet wide and can be traced for 1,100 feet along strike. It 

is covered to the north by the Nelson Glacier. Samples from this zone indicate an average grade 

of 1.5 oz/ton silver, 0.3 percent copper, 0.22 percent lead, and 0.58 percent zinc (George and 

Wyckoff, 1973). 

The easternmost shear is about 4 feet thick and can be traced for 600 feet along strike to the north 

where it is covered by the Nelson Glacier. Sampling of select thin veinlets from more mineralized 

parts of the shear gave values up to 20.7 oz/ton silver, 70 percent lead, and 22 percent zinc 

(George and Wyckoff, 1973). 

Samples collected in the vicinity of the shear zones indicate a 15-foot section of gneiss that 

averages 1.70 oz/ton silver, 0.22 percent copper, 0.76 percent lead, and 6.02 percent zinc 

(George and Wyckoff, 1973). 

Three drill holes were collared in the North Marsha Peak vicinity. One hole, drilled parallel to 

fracturing in the country rock, averaged 1.1 percent zinc and 0.25 percent lead along its entire 

116-foot length. The second cut a 13-foot zone that averaged 0.87 oz/ton silver, 0.08 percent 

copper, 0.6 percent lead, and 4.31 percent zinc. The third hole failed to cut significant 

mineralized rock (George and Wyckoff, 1973). 

Conclusions 

As exposed by sampling and drilling, the North Marsha Peak mineralized shear zones are too 

narrow and low-grade to constitute an exploration target. 

155 
EAST MARSHA PEAK 

(Figure 4, Map nos. 77.1-77.2) 

Location/ Access 

The East Marsha Peak prospect is located on the northeastern slope of Marsha Peak, about 

13 miles east of Wrangell. The area is alpine with permanent snow fields, glaciers, and steep 

cliffs. Elevations range from 3,500 to 4,500 feet, and snow covers the prospect until late in the 

season. Access to the prospect is via helicopter to a rocky, uneven landing site east of the 

prospect's trenches at an elevation of about 4,000 feet. 

History 

The East Marsha Peak prospect was first mapped and sampled by El Paso Natural Gas Co. 

During 1972 three trenches, with lengths from 20 to 60 feet, were cut between the elevations of 

3,975 and 4,100 feet. El Paso collected 48 samples from the trenches and at least 26 more from 

the vicinity of the prospect (George and Wyckoff, 1973). They also flew a multilevel, helium 

magnetometer survey over the Whistlepig claim area (which included the East Marsha Peak 

prospect) in December 1972 (Quigley, 1973). Watts, Griffis, and McOuatt (WGM) Inc. revised 

previous El Paso maps of the East Marsha Peak prospect area in 1976 (WGM, 1976). In 1992 

Kennecott Exploration briefly examined the property and the El Paso reports (Wakeman, 1992). 

The claims are not currently active. 

Mineral Assessment 

The Groundhog Basin area consists of a belt of metamorphosed Paleozoic sediments and 

volcanics about 1.5 miles wide that strikes about 330° and dips about 50° to the northeast. The 

belt is bounded on the east by the 60- to 70-million-year-old great tonalite sill (Brew and Morrell, 

1983; Brew, 1997h) and on the west by 90-million-year-old granodiorite (AMAX Exploration 

Inc., 1981). On the northern side of Groundhog Basin, a 16.3-million-year-old biotite granite 

stock intrudes the metamorphic rocks. Sills and dikes of rhyolite composition extend from the 

stock to form predominately concordant quartz porphyry. The rhyolite sills predominate in the 

western third of the metamorphic belt (George and Wyckoff, 1973; AMAX Exploration Inc., 

1981). Studies by Newberry and Brew (1989) indicate that the biotite granite stock is a 

zinnwaldite "tin" granite and that several base-metal deposits in the area are related to thi~ tin 

granite. 

The belt of sedimentary and volcanic rocks has been metamorphosed to upper greenschist or 

lower amphibolite facies to form quartz-mica schists and homblende-biotite-pyroxene-feldspar 

gneiss. Metamorphism has also produced granulite (calc-silicate gneiss) along layers in the 

metamorphic rocks (George and Wyckoff, 1973). 

Studies by El Paso indicate two major fault trends in the belt of metamorphic rocks (George and 

Wyckoff, 1973). One trend is parallel to foliation and bedding; the rhyolite sills intrude along this 

trend. A crosscutting trend strikes about 025° (range 005° to 030°) and dips 45° east to vertical. 

156 

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Mineralizing solutions that followed the crosscutting trend formed the East Marsha Peak deposit, 

which is made up of the "main" and "secondary" shear zones. 

Main Shear Zone 

The main East Marsha Peak shear consists of a crosscutting shear zone that strikes northnortheast to northeast, dips 50° to 75° southeast, and extends from near the 4,525-foot-elevation 

summit of East Marsha Peak down the northeastern slope of the peak and beneath the Nelson 

Glacier at an elevation of 3,500 feet. Between the summit of East Marsha Peak and Nelson 

Glacier, the shear zone extends for 2,000 feet along strike. The shear zone is hosted in 

northwest-trending gneiss and varies from a width of 30 feet near the summit to 40 feet at the El 

Paso trenches between 3,975 and 4,100 .feet elevation. The hanging wall of the shear zone is 

highly silicified with vugs containing quartz and fluorite. Sphalerite, galena, chalcopyrite, and 

pyrrhotite form masses and disseminations within the gneiss breccia and gouge. Mineralized rock 

is found along a network of fractures that penetrate the gneiss for up to 40 feet from the main 

silicified shear (George and Wyckoff, 1973). 

The BLM' s examination of the main East Marsha Peak shear zone revealed three trenches at 

elevations of 3,975, 4,075, and 4,100 feet that test the shear zone for a distance of 162 feet along 

strike and through a vertical distance of 125 feet. The trenches are within the shear zone. They 

range in length from 20 to 60 feet. (These workings do not exactly conform to the El Paso m~p, 

dated September 26, 1972, of the two trenches at elevations of 4,075 and 4,100 feet. Additional 

work accomplished by El Paso in October 1972 is not shown on the map [George and Wyckoff, 

·· 1973].) The hanging wall and footwall limits of the mineralization are irregular and difficult to 

delineate. 

The BLM collected 16 samples from the 4,100-foot and 4,075-foot-elevation trenches and the 

immediate vicinity (Map no. 77.1, samples 441-445, 451-453, 8699-702, 8704-07). The samples 

indicate pervasive zinc-lead mineralization. Samples from 0.5 to 11 feet long contained from 119 

ppm to 2.42 percent lead and from 2,443 to 27.1 percent zinc. These samples also contained up 

to 78.7 ppm silver, 7,260 ppm copper, 288 ppm molybdenum, and 738 ppm tin. El Paso's 

sampling of the same trenches gave similar results. In the 4,075-foot-elevation trench, El Paso 

estimates a zone 20 to 30 feet thick that averages 3.19 percent zinc, 1.67 percent lead, and 1.99 

oz/ton silver. In the 4,100-foot-elevation trench, El Paso estimates a zone 13 feet thick that 

averages 1.45 percent zinc, 2.75 percent lead, and 1.23 oz/ton silver with an additional 18 feet 

that averages 1.79 percent zinc and is only slightly anomalous in lead and silver (George and 

Wyckoff, 1973). · 

The BLM collected five samples from the 3,975-foot-elevation trench, located 140 feet northeast 

and along strike from the 4,075-foot-elevation trench (Map no. 77.1, samples 446-447, 449-450, 

8703). The samples indicate a mineralized zone about 20 feet thick. A 6-foot sample across part 

of the more mineralized rock contained 2.4 percent zinc and 11.1 ppm silver (Map no. 77 .1, 

sample 450). A select sample from the trench contained 14.2 percent zinc, 7,169 ppm copper, 

157 
2,483 ppm tin, and 139.3 ppm silver (Map no. 77.1, sample 447). Steep cliffs and occasional 

rock fall precluded access to the zone between 3,975 feet and the glacier at 3,500 feet. 

Above an elevation of 4,100 feet (i.e., to the southwest), the shear zone is covered by ice, but is 

exposed again near the summit of East Marsha Peak ( 4,525 feet elevation). Near the summit, the 

zone is about 30 feet thick and consists of vuggy, sheared quartz and brecciated gneiss. Sulfide 

mineralization is sparse. Two 0.3-feet-Jong samples collected after a brief examination of the 

zone for sulfides, contained from 6.8 to 12.9 ppm silver, from 518 to 655 ppm copper, from 932 

to 3,980 ppm lead, and from 936 to 7,157 ppm zinc (Map no. 77.2, samples 134-135). 

An aerial, multilevel, helium magnetometer survey was earned out across the East Marsha Peak 

shear zone for El Paso in December 1972. It traces the zone to the east-northeast, under and to 

the other side of the Nelson Glacier. Quigley (1973) suggests that the south side of the shear 

zone is anomalous and a target for mineral exploration. 

Secondary Shear Zone 

A secondary mineralized shear zone is located west of the main East Marsha Peak shear zone 

described above. The BLM' s examination revealed a 30-foot trench at an elevation of 4,075 feet 

that exposes a 20-foot-wide shear zone, which trends to the north and dips 75° to the east. At 

4,075 feet, it is located 70 feet west of the main shear and is similar to it. A 4-foot-thick basalt 

dike intrudes along the center of the shear. A 2-foot sample collected from the most mineralized 

paq of the shear contained 49.6 ppm silver, 3.47 percent lead, and 16.1 percent zinc (Map no. 

77.1, sample 448). El Paso's sampling of the 4,075-foot-elevation trench indicated a 13-foot 

zone that averaged 1.35 oz/ton silver, 1.60 percent lead, 3.83 percent zinc, and 0.08 percent 

copper (George and Wyckoff, 1973). To the south, the shear zone is covered by ice, and to the 

north, it is only intermittently mineralized. About 150 feet north of the trench, a 5-foot-long 

sample of the shear contained 2.6 percent zinc, and at a distance of 240 feet north of the trench, a 

5-foot-long sample of the shear contained 4.24 percent zinc (George and Wyckoff, 1973). 

El Paso sampled along two grid lines each about 300 feet long; one was aligned northwestsoutheast, starting near the 4,100-foot-elevation trench, and the other was aligned northeastsouthwest, starting at the northwest end of the first line. The grid lines are to the northwest of the 

East Marsha Peak shear zone. They cover the secondary shear zone described above. Over 

lengths of 10 to 35 feet, El Paso's samples averaged from 0.15 to 4.05 percent zinc. One 5-footlong sample located between the two shear zones contained 23.1 percent zinc (WGM,-1976; 

George and Wyckoff, 1973). 

Conclusions 

The replacement nature of the East Marsha Peak shear zone mineralization suggests that the most 

suitable deposit classification is polymetallic replacement. Typical polymetallic replacement 

deposits contain about 1.8 million tons, and the largest deposits are between 14 and 90 million 

tons (Cox and Singer, 1986). The East Marsha Peak shear zone, as it is currently understood, has 

the width and potential extent to make it an attractive exploration target. To date, exploration of 

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the East Marsha Peak shear zone has been limited to the surface. Exploration of this shear zone 

by drilling along strike to the southwest and to the northeast under the Nelson Glacier may reveal 

an attractive development target. 

159 
Location/ Access 

NELSON GLACIER 

(Figure 4, Map nos. 78.1-78.2) 

The Nelson Glacier is located about 14 miles east of Wrangell. It is flanked on the north by the 

North Silver prospect, on the west by the AMAX Molybdenum, Copper Zone, Groundhog Basin, 

North Marsha Peak, East Marsha Peak, and Glacier Basin prospects, and on the southeast by the 

Huff prospect (Figure 4 ). Ranging in elevation from 2,200 to over 4,000 feet, the glacier is 

3 miles long and up to 1 mile wide. The area is alpine, with cliffs and mountains on the east and 

west sides of the glacier. Marsha Peak and East Marsha Peak dominate the west side of the 

glacier. Access is by helicopter. 

History 

During the late 1950's, Moneta Porcupine Company explored the Groundhog Basin area, but 

subsequently dropped its claims. With the permission of Moneta Porcupine, two former company 

prospectors, William Huff and James Fucas, continued work in the area and staked new claims 

(Berryhill, 1964). The Nelson Glacier was covered by a claim group that was optioned by a 

number of companies from 1965 to 1981. In 1965 the claims were optioned by the Bunker Hill 

Mining Co. The property was dropped at the end of the field season in 1965 (Bunker Hill 

Company, 1965). Between 1968 and 1970, Humble Oil and Refining Co. optioned the property 

and drilled two holes through the Nelson Glacier (Humble Oil and Refining Company, 1970a, 

·· 1970b). El Paso Natural Gas Co. optioned the claims from 1971 to 1973 and carried out 

geophysical surveys over the glacier (George and Wyckoff, 1973; Quigley, 1973). AMAX 

Exploration Inc. optioned the claims from 1976 to 198_1 (Hamilton, 1982). In 1992 Kennecott 

Exploration reported on the mineral potential under the Nelson Glacier (Wakeman, 1992). In 

1999 the block of claims that covered the Nelson Glacier were inactive except for five at the 

North Silver prospect. 

Mineral Assessment 

The Groundhog Basin area consists of a belt of metamorphosed Paleozoic sediments and 

volcanics about 1.5 miles wide that strikes about 330° and dips about 50° northeast. The belt is 

bounded on the east by the 60- to 70-million-year-old great tonalite sill (Brew and Morrell, 1983; 

Brew, 1997h) and on the west by 90-million-year-old granodiorite (AMAX Exploration Inc., 

1981). On the northern side of Groundhog Basin, a 16.3-million-year-old biotite granite stock 

intrudes the metamorphic rocks. Sills and dikes of rhyolite composition extend from the stock to 

form predominately concordant quartz porphyry. The rhyolite sills predominate in the western 

third of the metamorphic belt (George and Wyckoff, 1973; AMAX Exploration Inc., 1981). 

Studies by Newberry and Brew (1989) indicate that the biotite granite stock is a zinnwaldite "tin" 

granite and that several base-metal deposits in the area are related to this tin granite. 

The belt of sedimentary and volcanic rocks has been metamorphosed to upper greenschist or 

lower amphibolite facies to form quartz-mica schists and homblende-biotite-pyroxene-feldspar 

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gneiss. Metamorphism has also produced granulite (calc-silicate gneiss) along layers in the 

metamorphic rocks (George and Wyckoff, 1973). 

Studies by El Paso indicate two major fault trends in the belt of metamorphic rocks (George and 

Wyckoff, 1973). One trend is parallel to foliation and bedding; the rhyolite sills intrude along this 

trend. A crosscutting trend strikes about 025° (range 005° to 030°) and dips 45° east to vertical. 

Polymetallic mineralized zones follow both the bedding plane and crosscutting trends. Both 

granulite and marble beds are replaced by polymetallic sulfides in the Groundhog Basin area. 

A crude metal zonation is evident in the 1.5-mile-wide metamorphic belt of rocks in the 

Groundhog Basin area. Located immediately west of the glacier is the Copper Zone where 

copper predominates. Farther to the west, at the Groundhog Basin, North Marsha Peak, East 

Marsha Peak, and Glacier Basin prospects, zinc predominates. To the northeast, at the North 

Silver prospect, silver/lead predominates. And to the southwest, at the Huff prospect, lead 

predominates. Newberry and Brew (1989) report tin zonation centered around the 16.3-millionyear-old biotite granite stock northeast of Groundhog Basin. · 

The Nelson Glacier covers up to two-thirds of the Groundhog Basin area. Mineralized zones 

from the North Marsha Peak, East Marsha Peak, and the Huff prospects can be traced under the 

glacier. Marble beds up to 30 feet thick trend under the toe of the glacier and are exposed 2.5 

miles to the north-northwest at the head of the glacier. Farther to the north, these beds are 

mineralized at the North Silver prospec~. Predominantly lead minerals replace the marble beds at 

the Huff and North Silver prospects. Crosscutting shears are the conduit for the lead-mineralizing 

fluids. Some of the shears have high-grade silver contents as well, with up to 228.4 oz/ton at the 

Huff prospect (Map no. 79.2, sample 96) and up to 517.62 oz/ton at the North Silver prospect 

(Map no. 70.4, sample 121). 

To test the continuity of the North Marsha Peak mineralization under the Nelson Glacier to the 

northeast, Humble Oil drilled two holes through the ice. These holes were located 1,200 feet 

from the western edge of the glacier, northeast of the North Marsha Peak prospect. Both holes 

were vertical and over 1,700 feet deep. One penetrated 491 feet of ice and the other, 621 feet 

before encountering rock. Both holes were predominantly in gneiss, and neither encountered 

significant mineralized rock. The best mineralized zone averaged 1.7 percent zinc, 0.4 percent 

lead, and 0.5 oz/ton silver across 10 feet (Humble Oil and Refining Company, 1970a, 1970b). 

BLM investigators found massive sulfide float at the toe of the Nelson Glacier, located at about 

2,200 feet elevation, that was apparently coming from under the ice. Similar float was found at a 

nunatak, at an elevation of 3,200 feet. Samples from this float contained up to 8.43 oz/ton silver, 

1.5 percent copper, 8.21 percent lead, 30.0 percent zinc, and 904 ppm tin (Map nos. 78.1-78.2,. 

samples 117, 119, 129). Similar mineralized float was reported by a Kennecott geologist in 1991 

(Wakeman, 1992). 

161 
An aerial, multilevel, helium magnetometer survey was carried out in the Groundhog Basin area in 

December 1972 for El Paso in order to evaluate the potential for mineralization under the Nelson 

Glacier. The magnetometer survey traced the East Marsha Peak shear zone east-northeast under f 

the glacier and detected a north-south system of parallel shears intersecting the East Marsha Peak 

shear under the ice (Quigley, 1973). 

Conclusions 

The area under the Nelson Glacier is the least-explored part of the Groundhog Basin area. The 

intersection of mineralized east-northeast and north-south shear zones under the glacier and the 

presence of marble beds that also underlie the glacier make this an exploration target for zinc, 

lead, and silver replacement deposits. 

162 
HUFF 

(Figure 4, Map nos. 79.1-79.7) 

Location/ Access 

The Huff prospect is located on the east side of Nelson Glacier, near its toe, about 14 miles east 

of Wrangell. The area is alpine and is partly glaciated. Elevations range from 2,300 to 4,300 feet. 

Access is by helicopter. 

History 

During the late 1950's, Moneta Porcupine explored the Groundhog Basin area, but subsequently 

dropped its claims. With the permission of Moneta Porcupine, two former company prospectors, 

William Huff and James Fucas, continued work in the area and staked new claims (Berryhill, 

1964). The Huff prospect was one of those claims. It was discovered in about 1963 by William 

Huff. In 1963 W .A. Race mapped and sampled the prospect for the Alaska Territorial 

Department of Mines (Race, 1963). In 1965 the Huff claims were optioned by the Bunker Hill 

Mining Co. During 1965 the company mapped and sampled the prospect, but dropped its option 

at the end of the field season (Bunker Hill Company, 1965). Between 1968 and 1970, Humble 

Oil and Refining Co. optioned the property (Humble Oil and Refining Company, 1970a). El Paso 

Natural Gas Co. optioned the property from 1971 to 1973, carried out geophysical surveys, 

mapping, and sampling and drilled two holes with lengths of 99 and 149 feet (George and 

Wyckoff, 1973). WGM revised previous El Paso maps of the Huff prospect in 1976 (WGM, 

1976). _AMAX Exploration Co. optioned the property from 1976 to 1981 (Hamilton, 1982). In 

1992 Kennecott Exploration briefly examined the property and the El Paso reports (Wakeman, 

1992). The claims are not currently active. 

Mineral Assessment 

The Groundhog Basin area consists of a belt of metamorphosed Paleozoic sediments and 

volcanics about 1.5 miles wide that strikes about 330° and dips about 50° to the northeast. The 

belt is bounded on the east by the 60- to 70-million-year-old great tonalite sill (Brew and Morrell, 

1983; Brew, 1997h) and on the west by-90-million-year-old granodiorite (AMAX Exploration 

Inc., 1981). On the northern side of Groundhog Basin, a 16.3-million-year-old biotite granite 

stock intrudes the metamorphic rocks. Sills and dikes of rhyolite composition extend from the 

stock to-form predominately concordant quartz porphyry. The rhyolite sills predominate in the 

western third of the metamorphic belt (George and Wyckoff, 1973; AMAX Exploration Inc., 

1981). Studies by Newberry and Brew (1989) indicate that the biotite granite stock is a 

zinnwaldite "tin" granite and that several base-metal deposits in the area are related to this tin 

granite. 

The belt of sedimentary and volcanic rocks has been metamorphosed to upper greenschist or 

lower amphibolite facies to form quartz-mica schists and homblende-biotite-pyroxene-feldspar 

gneiss. Metamorphism has also produced granulite (calc-silicate gneiss) along layers in the 

metamorphic rocks ( G~orge and Wyckoff, 1973). 

163 
Studies by El Paso indicate two major fault trends in the belt of metamorphic rocks (George and 

Wyckoff, 1973). One trend is parallel to foliation and bedding; the rhyolite sills intrude along 

this trend. A crosscutting trend strikes about 025° (range 005° to 030°) and dips 45° east to 

vertical. Polymetallic mineralized zones follow this crosscutting trend and replace marble beds in 

the Huff prospect area. 

Marble Bed 

The BLM's investigation revealed a marble bed up to 30 feet thick located 1,500 feet from the 

eastern edge of the belt of metamorphosed Paleozoic rocks. The bed, hosted in schist and gneiss, 

strikes 325°, dips 40° to 55° to the northeast, and extends for a distance of about 4,500 feet. It is 

covered by rubble to the south and by the Nelson Glacier to the north. About 1,500 feet from its 

northern end, a 300-foot-long section of the marble bed is mineralized with sulfides. Polymetallic 

mineralizing fluids from crosscutting fractures and from along hanging wall fractures have 

replaced the marble to form a massive sulfide zone within the bed. Mineralized marble varying in 

width from 0.5 to 15 feet is confined to the hanging wall of the bed. Pyrrhotite, galena, 

sphalerite, and chalcopyrite replace the marble to form irregular lenses and bands of massive 

sulfides. The crosscutting shears that are the conduits for the replacement sulfides contain vugs 

with quartz and fluorite and are only locally mineralized with sulfides. 

BLM personnel collected four samples from four locations over a distance of 110 feet along strike 

of the better hanging wall mineralization. The samples ranged in length from 1 .4 to 7 feet and 

contained from 46.7 ppm to 4.6 oz/ton si_Iver, 2,688 to 7,330 ppm copper, 3.28 to 20.08 percent 

lead, and from 6.8 to 9.1 percent zinc (Map no. 79.4, samples 90-91, 254-255). Three 4-footlong samples collected by El Paso from the same area contained from 3.1 to 8.8 oz/ton silver, 0.7 

to 1.2 percent copper, from 15.9 to 24.9 percent lead, and from 7.1 to 9.3 percent zinc (George 

and Wyckoff, 1973). 

El Paso conducted ground geophysical surveys (EM) over the marble bed and, as a result, defined 

a sizeable zone of conductive material. In 1972 El Paso drilled two holes to intercept the marble 

bed and geophysical anomaly. One, 140 feet long, penetrated the massive sulfide zone 85 feet 

down dip. A 10-foot intercept averaged 1.55 oz/ton silver, 0.2 percent copper, 8.1 percent lead, 

and 4.55 percent zinc. The other hole, 99 feet long, failed to reach the mineralized zone (George 

and Wyckoff, 1973). 

BLM personnel examined the marble bed that hosts the massive sulfide zone, both to the south 

and north of the sulfide zone, but did not find significant mi_neralization. Other thinner marble 

beds located in the area were also examined by the BLM, but these too lacked significant 

mineralization. El Paso's ·drilling discovered marble beds in the sub surf ace that are not ex posed 

on the surface (George and Wyckoff, 1973). There remains some potential for buried mineralized 

marble beds. 

164 

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Cross Fractures 

BLM investigators examined numerous cross fractures to the north of the marble bed massive 

sulfide zone. Three of these, at distances of 500, 800, and 2,000 feet from the marble bed 

massive sulfide zone, contained significant metal values. They are irregularly mineralized with 

sulfides that pinch and swell. Druses and vugs of quartz and fluorite are common. The 

predominate sulfides are galena and sphalerite. Samples from the three cross fractures contained 

from 0.9 ppm to 228.4 oz/ton silver, 49 to 3,994 ppm copper, from 83 ppm to 6.24 percent lead, 

from 84 ppm to 5.1 percent zinc, and up to 1,295 ppm tin (Map nos.79.2-79.4, samples 92-93, 

96-97, 420,454). 

Conclusions 

The marble bed massive sulfide mineralization, as it is currently understood, is of sufficient grade 

· to be of exploration interest. Deposition of sulfide minerals in the marble bed is dependent on 

cross fractures as a conduit for mineralizing fluids and fractures within the marble bed to allow for 

permeation and replacement. The high silver value of 228.4 oz/ton in a cross fracture may be 

indicative of the potential for high-grade silver deposits in the area. Ground geophysics indicate a 

sizable conductor in the vicinity of the bed's mineralized zone. These factors encourage 

exploration of the marble beds in the Huff prospect area along strike and down dip by geophysics 

and drilling. Marble beds with sufficient fracturing, such as in fault zones where deposition of 

significant base-metal and silver deposits are more likely, would be targets. 

165 
Location/ Access 

WEST NELSON GLACIER 

(Figure 4, Map no. 80) 

The West Nelson Glacier prospect is located on the southwest side of Nelson Glacier, about 14 

miles east of Wrangell. The area is alpine, ranging in elevation from 2,300 to 2,400 feet. Access 

is by helicopter. 

History 

The West Nelson Glacier prospect is located within a block of 120 claims that were optioned by 

the Bunker Hill Mining Co. in 1965. The property was dropped at the end of the field season that 

year (Bunker Hill Company, 1965). Between 1968 and 1970, Humble Oil and Refining Co. 

optioned the property (Humble Oil and Refining Company, 1970a). El Paso Natural Gas Co. 

optioned the block of claims from 1971 to 1973, which by then had been expanded to 295 claims. 

AMAX Exploration Co. optioned thC? property from 1976 to 1981. The claims are not currently 

active. The mineralized rock at the West Nelson Glacier prospect is described herein for the first 

time in published literature. 

Mineral Assessment 

The Groundhog Basin area consists of a belt of metamorphosed Paleozoic sediments and 

volcanics about 1.5 miles wide that strikes about 330° and dips about 50° to the northeast. The 

belt is bounded on the east by the 60- to 70-million-year-old great tonalite sill (Brew and Morrell, 

1983; Brew, 1997h) and on the west by 90-million-year-old granodiorite (AMAX Exploration 

Inc., 1981). On the northern side of Groundhog Basin, a 16.3-million-year-old biotite granite 

stock intrudes the metamorphic rocks. Sills and dikes of rhyolite composition extend from the 

stock to form predominately concordant quartz porphyry. The rhyolite sills predominate in the 

western third of the metamorphic belt (George and Wyckoff, 1973; AMAX Exploration Inc., 

1981). Studies by Newberry and Brew (1989) indicate that the biotite granite stock is a 

zinnwaldite "tin" granite and that several base-metal deposits in the area are related to this tin 

granite. 

The belt of sedimentary and volcanic rocks has been metamorphosed to upper greenschist or 

lower amphibolite facies to form quartz-mica schists and homblende-biotite-pyroxene-feldspar 

gneiss. Metamorphism has also produced granulite (calc-silicate gneiss) along layers in the · 

metamorphic rocks (George and Wyckoff, 1973). 

Studies by El Paso indicate two major fault trends in the belt of metamorphic rocks (George and 

Wyckoff, 1973). One trend is parallel to foliation and bedding; the rhyolite sills intrude along this 

trend. A crosscutting trend strikes about 025° (range 005° to 030°) and dips 45° east to vertical. 

Polymetallic veins follow the crosscutting trend in the West Nelson Glacier area .. 

BLM work at the West Nelson Glacier prospect was confined to a brief investigation of the ridge 

crest southwest of the glacier at elevations of 2,300 to 2,400 feet. A crosscutting, 2-foot-wide, 

166 

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vuggy, silicified shear zone that traces for 80 feet, locally contains pyrite, chalcopyrite, galena, 

and sphalerite. The zone is hosted in gneiss. A 0.2-foot-long chip sample across the best sulfide 

mineralization contained 4.39 oz/ton silver, 2.70 percent lead, 9,577 ppm zinc, and 8,363 ppm 

arsenic (Map no. 80, sample 9603). 

Conclusions 

While the extent of the West Nelson Glacier mineralized zone indicates that it is of no economic 

importance, it and the other area prospects indicate pervasive silver-lead-zinc mineralization 

across a large area. 

167 
Location/ Access 

GLACIER BASIN 

(Figure 4, Map no. 81) 

The Glacier Basin prospect is located at the southeastern end of the Groundhog Basin area, about 

13 miles east of Wrangell. The area consists of a flat-bottomed valley trending east-northeast 

with steep slopes rising to the south. To the northwest, progressively steeper slopes rise from the 

valley floor (at 2,000 feet) to the summit of Marsha Peak (at 4,525 feet) over a distance of about 

1 mile. Thick brush predominates at the lower elevations with bare rock higher up. Avalanche 

snow accumulates in the gullies and on the floor of the valley until mid-season. Access to the 

prospect is via helicopter, with landing sites on the valley floor. 

History 

The Glacier Basin prospect was discovered in 1898 (Rappel, 1987). The area was prospected 

with three adits and numerous pits and cuts between 1898 and 1943. In 1943 the USGS mapped 

the area and crudely estimated resources (Gault and others, 1953). In 1963 the Bureau of Mines 

examined the Glacier Basin area and discovered that trace amounts of tin are associated with 

granulite, and beryllium is associated with quartz-fluorite breccia veins in the area (BerryhilJ, 

1964). 

During 1964 and 1965, claims were staked covering most of the mineralized rock in the 

Groundhog Basin area including Glacier Basin. In 1965 the Bunker Hill Mining Co. optioned the 

property, but dropped it the same year (Bunker Hill Company, 1965). Between 1968 and 1981, 

Humble Oil and Refining Co., El Paso Natural Gas Co., and AMAX Exploration Co. optioned the 

area. These companies concentrated their mapping, sampling, and drilling to the north and east of 

Glacier Basin and did little or no work in the basin itself (Humble Oil and Refining Company, 

1970b; George and Wyckoff, 1973; Hamilton, 1982a). 

Mineral Assessment 

The Groundhog Basin area consists of a belt of metamorphosed Paleozoic sediments and 

volcanics about 1.5 miles wide that strikes about 330° and dips about 50° to the northeast. The 

belt is bounded on the east by the 60- to 70-million-year-old great tonalite sill (Brew and Morrell, 

1983; Brew, 1997h) and on the west by 90-million-year-old granodiorite (AMAX Exploration 

Inc., 1981). On the northern side of Groundhog Basin, a 16.3-million-year-old biotite granite 

stock intrudes the metamorphic rocks. Studies by Newberry and Brew (1989) indicate that the 

biotite granite stock is a zinnwaldite "tin" granite and that several base-metal deposits in the area 

are related to this tin granite. Sills and dikes of rhyolite composition extend from the stock to 

form predominately concordant quartz porphyry. The rhyolite sills predominate in the western 

third of the metamorphic belt (George and Wyckoff, 1973; AMAX Exploration Inc., 1981). The 

Glacier Basin prospect is situated in the western part of the belt, in the area with numerous 

rhyolite sills. 

168 

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The belt of sedimentary and volcanic rocks has been metamorphosed to upper greenschist or 

lower amphibolite facies to form quartz-mica schists and homblende-biotite-pyroxene-feldspar 

gneiss. Metamorphism has also produced granulite (calc-silicate gneiss) along layers in the 

metamorphic rocks (George and Wyckoff, 1973). 

Studies by El Paso indicate two major fault trends in the belt of metamorphic rocks (George and 

Wyckoff, 1973). One trend is parallel to foliation and bedding; the rhyolite sills intrude along this 

trend. A crosscutting trend strikes about 025° (range 005° to 030°) and dips 45° east to vertical. 

In Glacier Basin, both bedding plane and crosscutting shears are occupied by quartz-fluorite veins 

with small amounts of galena, sphalerite, and more rarely beryllium. 

Galena and sphalerite replace pyroxene granulite in the metamorphic belt of rocks in the Glacier 

Basin area. These sulfide zones are tabular, follow the original bedding in the rocks, and have 

been termed "ore beds" by Gault and others (1953). 

The four ore beds that have been delineated in Glacier Basin are similar to those in Groundhog 

Basin (Map no. 73.1-73.4). They are confined to the north side of the basin and are found below 

3,000 feet in elevation. The ore beds are separated by 200 to 1,000 feet of rhyolite sills, schist, 

and gneiss. They range in thickness from 0.3 to 20 feet and extend up to 2,000 feet along strike. 

They strike north-northwesterly and dip 50° to 60° to the northeast. The ore beds consist of 

granulite replaced by disseminations, pods, and discontinuous bands of sulfides. The sulfides are 

pyrrhotite, pyrite, sphalerite, and galena with a gangue of quartz, feldspar, hornblende, pyroxene, 

· apatite, magnetite, and garnet. Trace amounts of cassiterite are also found in the ore beds 

(Berryhill, 1964). The USGS inferred a resource in the area of many hundreds of thousands of 

tons of pyroxene granulite that average 1.66 percent zinc and 1.09 percent lead. (Gault and 

others, 1953). 

The BLM's examination of the Glacier Basin prospect was confined to the easternmost ore bed in 

the vicinity of two adits at elevations of 2,285 feet and 2,253 feet. At the time of the examination, 

the portal of the lower adit was covered with snow. The upper adit is 40 feet long. Small areas 

of disseminated and massive sulfides are located in a silicified zone at the contact between a 

quartz rhyolite sill and gneiss just above the ad.it. Select samples collected of the best mineralized 

rock contained from 3.97 to 7 .98 oz/ton silver, 4.64 to 33.4 percent lead, and 4.3 to 7 .9 percent 

zinc (Map no. 81, samples 2608-09). 

USGS studies indicate that quartz-fluorite breccia veins are found on both the northwest and 

south sides of Glacier Basin, along both crosscutting and bedding plane shears. The veins pinch 

and swell, range in thickness from a few inches to 30 feet, and contain vugs of quartz and fluorite. 

Sulfides in the veins include disseminated galena, sphalerite, pyrrhotite, pyrite, and chalcopyrite. 

The gangue minerals are quartz, fluorite, and the silicate minerals of the metamorphic rocks 

(Gault and others, 1953). 

169 
The USGS estimates that at least six veins in Glacier Basin have a minimum thickness of 3 feet 

and a minimum strike length of 600 feet. An additional 6 veins are 5 feet or more thick and 

extend at least 1,000 feet along strike. These 12 veins were estimated to contain over 1,000,000 

tons grading 0.14 percent zinc and 0.09 percent lead (Gault and others, 1953). 

The Bureau of Mines' examination of quartz-fluorite breccia veins in Glacier Basin found that five 

contain beryllium. The veins are widely separated and were located by personnel using a 

beryllium meter on the northwest side of the basin at an elevation of 3,000 feet. The beryllium 

occurs as amorphous 1⁄2-inch blebs of pale blue beryl or as creamy white beryl, with an average 

grade of 0.1 percent beryllium oxide (Berryhill, 1964). 

Conclusions 

The Glacier Basin ore bed and vein deposits, as they are currently understood, are too low-grade 

to be considered an attractive exploration target. The discovery of beryllium by the Bureau of 

Mines inl963 added interest to the area, but did not result in the discovery of economic 

mineralization. However, the area is worthy of further examination for higher-grade beryllium 

deposits. 

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LAKE 

(Figure 4, Map nos. 82.1-82.2) 

Location/ Access 

The Lake prospect is located southwest of the Groundhog Basin area, approximately 11 miles 

east of Wrangell. The prospect workings are between 1,420 and 1,550 feet in elevation along the 

steep, northwestern flank of the ridge separating P01terfield Creek from Glacier Creek, 2 miles 

east of Virginia Lake. The terrain is heavily timbered and very steep. Access is via helicopter to a 

muskeg directly above the prospect at an elevation of 2,030 feet and then by foot down to the 

workings. Historically, access to this property was via a route that led first by trail from tide 

water at Eastern Passage inland, across Virginia Lake by boat, and again by trail along Porterfield 

Creek for approximately two miles. The trail subsequently led from the creek up the steep slopes 

of the ridge to the northern end of the property. 

History 

The Lake prospect was first staked as the Margery claims and was described as having a 40-foot 

adit in 1905 (Wright and Wright, 1905) and several opencuts and short tunnels by 1908 (Wright 

and Wright, 1908). Unpublished field notes taken by-Buddington in 1921 report that 1 ton of ore 

was shipped from the Lake deposit (Gault and others, 1953). In 1924 the prospect was the only 

one in the area being actively developed (Buddington, 1926). It was under the control of the 

Virginia Lake Mining Co. as early as 1925, when the claims were restaked as the Lake group 

(Alaska Kardex, 1982). Under this ownership, development of the underground workings · 

continued at least until 1927 (Smith, 1930) and probably later. A claim post found during the 

BLM's examination of the prospect contained a staking notice dated 1965 posted by K. Eichner, 

A. Lillie, and Huff. In 1978 the Pacific Coast Molybdenum Co., a subsidiary of U.S. Borax and 

Chemical Corp., restaked the prospect as the Port claims. The claims were dropped in 1986 

(Alaska Kardex, 1982; Bureau of Land Management, ALIS). 

Mineral Assessment 

A recent regional-scale map compilation describes the area of the Lake prospect as Cretaceous 

intrusives (Brew, 1997c). However, more detailed mapping done by the USGS prior to 1953, 

describes a package of metamorphic rocks including phyllite, schist, slate, and quartzite exposed 

in the workings of the prospect. These metamorphic rocks are inferred to be in contact with a 

unit of quartz diorite approximately 1,500 to 2,000 feet to the east of the workings (Gault and 

others, 1953). Mineralized rock at the prospect is found along a fault zone that strikes 025° to 

035°and dips 70° to 90° to the southeast. Examination during this study indicates the fault zone is 

up to 5 feet wide; however it is reported as up to 12 feet wide in some locations (Gault and 

others, 1953). It has been exposed by 3 adits, numerous trenches, and surface stripping over a 

strike length of approximately 1,450 feet. The fault contains quartz breccia and, locally, seams of 

fault gouge up to 1 foot thick. Intruding the fault zone is a narrow mafic sill that does not appear 

to be related to the mineralization. Mineralized rock is predominantly enriched with galena, with 

lesser amounts of sphalerite, pyrite, and minor chalcopyrite. The sulfides occur in the quartz 

breccia that fills the fault zone and also as distinct massive bands up to 0.5 feet wide, as pods, and 

171 
as veinlets, all within the fault zone. The zone is open along strike and at depth. One of the adits 

shows the fault to continue at least to a depth of 60 feet down dip. 

Adit 1, as described by Gault and others (1953), is the southernmost adit at an elevation of 1,425 

feet. The back of this 20-foot, L-shaped adit has caved onto the floor, but access is still possible. 

A select sample across a narrow vein of galena and sphalerite outside the portal, contained 161 

ppm silver, 8.54 percent lead, and 2.1 percent zinc (Map no. 82.1, sample 376). 

Adit 2, as described by Gault and others (1953), is located approximately 110 feet southwest of 

Adit 1, at an elevation of 1,420 feet. This T-shaped adit consists of a 100-foot crosscut and a 

135-foot drift. The fault zone is exposed along the entire length of the drift. A 3.0-foot sample 

across the fault zone in the north face of the drift contained only traces of silver, lead, and zinc 

(Map no. 82.2, sample 9695). A sample across the fault zone in the south face of the drift ran 

10.3 ppm silver, 1,058 ppm lead, and 1.3 percent zinc across 4.6 feet (Map no. 82.2, sample 

9694). A high-grade dump sample contained 4.73 oz/ton silver, 10.50 percent lead, and 6.6 

percent zinc (Map no. 82.2, sample 2613). 

A~it 3 is located 350 feet southwest of Adit 2 at an elev~tion of 1,550 feet (Gault and others, 

1953). Adit 3 was reported to be caved as early as 1943 and was not visited during this study. 

In addition to the three adits, numerous surface trenches and pits have been dug along the fault 

zone. BLM personnel took two samples in a trench that expo~es the surface trace of the fault 

zone above the drift in Adit 2. One contained 195 ppm silver, 2,049 ppm copper, 7.89 percent 

· 1ead, and 5.7 percent zinc across 0.5 feet of quartz breccia in the fault zone (Map no. 82.1, sample 

377). The other was taken across a high-grade vein of.massive galena and sphalerite 0.25 feet 

wide. It contained 411 ppm silver, 3,266 ppm copper, 25.10 percent lead, and 3.6 percent zinc 

(Map no. 82.1, sample 378). A grab sample from a trench dump, just uphill from Adit 3, 

contained 178 ppm silver, 13.21 percent lead, and 16.4 percent zinc (Map no. 82.1, sample 380). 

Conclusions 

The Lake prospect is locate~ 2 miles southwest of the contact between granodiorite and 

metamorphic rocks that forms the western boundary of the Groundhog Basin area. Host rocks, 

base-metal mineralization, and shear zone orientation at the Lake prospect are similar to many of 

the Groundhog Basin deposits, which suggests a relationship may exist between the ore-forming 

processes at both locations. 

The mineralization at the Lake prospect is contained within a persistent, predictable fault zone 

that has been traced for over 1,450 feet. However, the base-metal values are highly variable, and 

they occur only within a narrow part of the fault zone. As it is now understood, the 

mineralization at the Lake prospect is too narrow and low-grade to be of exploration interest. 

However, the fault zone and the area in general still hold the potential for hosting higher-grade or 

more extensive mineralized zones. 

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BERG BASIN 

(Plate 1, Map no. 83) 

Location/ Access 

The Berg Basin prospect is located at the southeastern end of the Groundhog Basin area, about 

14 miles east of Wrangell. The prospect is located on the east wall of a steep-sided gulch that 

drains from the northern side of Berg basin. An adit portal on the property is located at ·an 

elevation of 1,780 feet at the top of a steep talus slope and a short cliff. Access to the prospect is 

difficult. Early in the season, the area may be covered with heavy snow packs, but helicopter 

landing sites are available. Late in the season, the area is choked with brush, and helicopter 

landing sites are hard to find. 

History 

The Berg Basin prospect was discovered in 1907. By 1947 it was explored by an 840-foot adit 

and several surface pits. During 1947 and 1948, two diamond drill holes, totaling 742 feet, 

explored the prospect (Ray, 1953). The claims are not currently active. 

Mineral Assessment 

The Berg Basin prospect is located in the same belt of metamorphosed Paleozoic sediments and 

volcanics that hosts the Groundhog Basin area deposits. The belt of sedimentary and volcanic 

rocks has been metamorphosed to upper greenschist or lower amphibolite facies to form quartzmica schists and homblende-biotite-pyroxene-feldspar gneiss (George and Wyckoff, 1973). 

Studies by El Paso Natural Gas Co. indicate two major fault trends in the belt of metamorphic 

rocks (George and Wyckoff, 1973). One trend is parallel to foliation and bedding. A crosscutting 

trend strikes about 025° (range 005° to 030°) and dips 45° east to vertical. Basaltic and rhyolitic 

sills and dikes intrude along both trends. T~e sills predominate. At the Berg Basin prospect, 

sulfide mineralization is found within the basalt dikes and along the contacts of the basalt dikes 

with rhyolite, schist, and gneiss (Ray, 1953). 

In 1923 Buddington reported that the Berg prospect consists of a I-foot-thick quartz vein 

carrying moderate amounts of gold and silver hosted in a 12-foot-thick rhyolite sill. The sill is 

fractured with a network of narrow quartz veinlets containing pyrite, galena, and sphalerite. A 

400-foot-long adit was driven to intersect the vein at depth (Buddington, 1923). 

In 1947 Ray, of the USGS, mapped and sampled the prospect. He reported galena-sphalerite 

mineralization in lenses and pods within basalt dikes and along their contacts. Two samples, 

collected from blocks of galena from a discovery pit on the property, contained 29.9 and 28.7 . 

oz/ton silver. Other analyses from these samples were not reported (Ray, 1953). 

Ray (1953) writes that the I-foot-thick quartz vein on the property is reported to contain $14 per 

ton in gold (0.4 oz/ton). The 840-foot adit was driven to intersect the vein and the galenasphalerite mineralization at a depth of 170 feet below its surface exposure. Two diamond drill 

173 
holes with lengths of 180 and 540 feet were collared within the adit. Neither the gold-bearing 

quartz vein nor the galena-sphalerite mineralization were found in the adit or drill holes (Ray, 

1953). The BLM's examination of the Berg Basin prospect was confined to the bottom of a 

gulch below the adit. There was no sign of past activity in the area. In the creek, investigators 

found a single 0.4-foot-thick piece of quartz float, with blebs of sphalerite, galena and pyrite. 

Analysis of it indicated IO ppb gold, 75 ppm silver, 2.12 percent lead, 5.0 percent zinc, and 1,060 

ppm arsenic (Map no. 83, sample 2644). While leaving the area by helicopter, BLM personnel 

spotted the adit portal at the top of a steep talus slope in the face of a cliff. 

Conclusions 

Little is known about the grades of the Berg Basin base-metal and gold occurrence. Apparently a 

lot of development was accomplished on the property based only on a gold analysis from one 

vein. Resampling of the I -foot-thick quartz vein is warranted if it can be found. As it is now f 

understood, the Berg Basin mineralization is too discontinuous and low-grade to be an 

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COPPER KING 

(Plate 1, Map nos. 84.1-84.2) 

Location/ Access 

The Copper King prospect is located at the southeast end of the Groundhog Basin area, about 

16 miles east of Wrangell. The prospect is situated at an elevation of 1,300 feet, near a steepsided creek that drains into Aaron creek. The area is covered with timber and brush. Access to 

the prospect is via helicopter to a landing site in a muskeg at an elevation of 1,500 feet. 

History 

The Copper King prospect was staked in 1906 and restaked in 1951 (Berg, 1967). It was 

developed by a 9-foot-deep shaft and cuts. During 1956 it was examined by James A. Williams of 

the Alaska Territorial Department of Mines (Williams, 1957). The claims are currently inactive. 

Mineral Assessment 

The Copper King prospect is located in the same belt of metamorphosed Paleozoic sediments and 

volcanics that hosts the Groundhog Basin deposits. The belt is about 1.5 miles wide, strikes 330°, 

and dips about 50° to the northeast. The belt of sedimentary and volcanic rocks has been 

metamorphosed to upper greenschist or lower amphibolite facies to form quartz-mica schists and 

homblende-biotite-pyroxene-feldspar gneiss (George and Wyckoff, 1973). 

Studies.by El Paso Natural Gas Co. indicate two major fault trends in the belt of metamorphic 

rocks (George and Wyckoff, 1973). One trend is parallel to foliation and bedding; rhyolite sills 

intrude along this trend. A crosscutting trend strikes about 025° (range 005° to 030°) and dips 

45° east to vertical. At the Copper King prospect, a quart~-sulfide mineralized zone is found 

within a rhyolite sill (Williams, 1957). 

Examination of the Copper King prospect by Williams in 1956 revealed a 4.5-foot-thick quartz 

sulfide vein that strikes north-northwesterly and dips 80° to the east. The vein is exposed in the 

creek and by cuts on both sides for a distance of 45 feet. A 9-foot-deep shaft collared on the vein 

is located on the southeastern side of the creek. The shaft was flooded in 1956. Up dip, the vein 

grades into rhyolite. Down dip, the vein contains more quartz and sulfides. A sample collected 

from the upper part of the vein contained 0.15 percent zinc, whereas a sample collected from the 

shaft's dump contained 3.33 percent zinc and a trace of copper (Williams, 1957). 

The BLM' s examination of the Copper King prospect revealed the remains of an old cabin on the 

southeast side of the creek. Up the creek from the cabin, at an elevation of 1,320 feet, ·a banded, 

quartz-sulfide mineralized zone that strikes north-northwest and dips steeply is exposed in the 

creek. It is hosted in rhyolite. A trench, now sloughed, extends for a distance of about 30 feet 

from the northwestern side of the creek in a north-northwest direction along the trend of the 

mineralized zone. Overburden conceals outcrop between the creek and the flooded shaftt which 

is located on the southeastern side of the creek, opposite the trench. The quartz-sulfide 

mineralized zone is partly exposed for a distance of 4 feet along strike in the creek and contains 

175 
sphalerite, chalcopyrite, and pyrite. A 0.7-foot sample across the most mineralized part of the 

zone exposed in the creek contained 18.9 ppm silver, 5,639 ppm copper, and 2.1 percent zinc 

(Map no. 84.1, sample 374). A shaft dump sample contained 12 ppm silver, 4,694 ppm copper, 

and 1.9 percent zinc (Map no. 84.1, sample 375). 

A quartz vein is exposed in the creek on the Copper King prospect at an elevation of 1,200 feet, 

about 750 feet southwest of the shaft. The 1.6-foot-thick, northeast-striking, steeply dipping 

quartz vein contained 679 ppb gold (Map no. 84.2, sample 372). 

Conclusions 

As it in now understood, the Copper King occurrence is too low-grade and too narrow to be an 

attractive exploration target. 

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BERG 

(Plate 1, Map no. 85) 

Location/ Access 

The Berg claims are located on the north side of Berg Bay, near Berg and Aaron Creeks, about 

18 miles southeast of Wrangell (Alaska Kardex 1982). The area topography is moderately steep, 

with thick timber and brush cover. Access to the prospect is by boat and foot. 

History 

Lester Berg held lode gold claims at the mouth of Aaron Creek as early as 1907. He had a camp 

in the area at the time, and that is when the gold claims are assumed to have been staked (Alaska 

Kardex, 1982). The authors have found no other mention of these claims in published literature. 

There are currently no active claims in the area. 

Mineral Assessment 

The Berg claims are located in the same belt of metamorphosed Paleozoic sediments and 

volcanics that host the Groundhog basin area deposits (Brew, 1997c; Brew and Koch, 1997). 

The BLM' s investigation of the Berg claims area was confined to sampling stream sediment and 

quartz float in a stream that flows across the reported claim location. The samples did not contain 

significant metal values. 

Conclusions 

The Berg prospect seems to be of little significance. There is no mention of it in published 

literature, and there has been no subsequent mineral exploration activity either at the reported 

claim site or in the general vicinity. The reported claim location is too vague to recommend 

further follow-up. 

177 
Location/ Access 

BLACK CRAG 

(Plate I, Map nos. 86.1-86.4) 

The Black Crag prospect is located in a U-shaped valley 1 mile southeast of Black Crag Peak, 

about 27 miles east of Wrangell. The area topography is rugged alpine with cliffs, sharp peaks, 

glaciers, and ice falls on either side of the valley. Elevations in the area range from 1,400 to 5,000 

feet. Access to the prospect is by helicopter. 

History 

The Black Crag prospect and vicinity is not mentioned in published literature. However, a 

prospector reports drilling for molybdenum in the Black Crag vicinity during the 1950's (Paul 

Pieper, oral commun., 1998). An old, weathere'd post-possibly a claim post-was found in the 

area during this study and may indicate past activity. 

Mineral Assessment 

The Black Crag prospect is located near the contact between Miocene alkali-feldspar granite with 

associated quartz-porphyritic rhyolite dikes and flows and Mesozoic and Paleozoic 

metasedimentary and metavolcanic rocks (Elliott and Koch, 1981). 

A brief examination of the area during this study revealed copper- and molybdenum-bearing float 

on the east side of the valley at elevations between 1,400 and 2,300 feet. The float consists of 

quartz porphyritic rhyolite with molybdenum coatings along fractures; fine-grained, silicified 

felsite with a 0.01-foot-thick seam of molybdenum; and silicified, iron-stained intrusive with pyrite 

and chalcopyrite. Grab samples from the molybdenum-bearing rocks contained 735 and 1,348 

ppm molybdenum (Map nos. 86.2-86.3, samples 476, 480). The chalcopyrite-bearing rock 

contained 1,508 ppm copper (Map no. 86.3, sample 8733). The float probably originated from 

cliffs of intrusive and volcanic rock on the east side of the valley. In the valley floor, at an 

elevation of 2,400 feet, a 0.3-foot-thick, iron-stained, silicified breccia cobble with a pyrrhotite 

matrix contained 93 ppb gold, 43.5 ppm silver, and 558 ppm zinc (Map no. 86.1, sample 466). 

Conclusions 

The Black Crag prospect has indications of copper, molybdenum, and silver mineralization. The 

vicinity is worthy of more detailed examination. 

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CRAIG RIVER AREA 

(Plate 1, Map no. 87) 

Location/ Access 

The Craig River area is located near the U.S.-Canada border, about 7 miles west of Mt. Pounder, 

a border peak near the head of the North Fork of the Bradfield River. The area is 

40 miles east of Wrangell. The occurrence lies at about 3,100 feet elevation in a north-facing, 

glaciated cirque, south of the head of the Craig River. The general area is marked by rugged 

mountains with much of the area above tree line. Access is by helicopter. 

History 

There is no known published reference to the occurrence in the Craig River area. As part of the 

Alaska Mineral Resources Program, USGS sampling in the late 1970's revealed anomalous values 

of silver, gold, copper, and zinc in the upper Craig River area (Koch, 1997). During the current 

study, BLM personnel were directed to the immediate area by a helicopter pilot who had flown 

mineral industry geologists to the site in the 1990's. 

Mineral Assessment 

The occurrence in the Craig River area consists of skarn minerals with associated sulfides that are 

hosted in marble. Rocks in the area are mapped as Mesozoic or Paleozoic metasedimentary and 

lesser metavolcanic rocks with local marble. Two Eocene intrusive bodies are also mapped in the 

area. One is granodiorite and quartz diorite; the other is quartz monzonite and granodiorite 

(Elliot and Koch, 1981). 

Rock units in the Craig River area trend toward the northeast and dip moderately to the 

southeast. A banded marble layer that is associated with the skam is approximately 300 feet 

thick. It is structurally underlain by a layer of dark gray to dark green, well-foliated 

metasediments, approximately 500 feet thick, which in tum are in contact with a quartz monzonite 

and granodiorite. Structurally overlying the marble is another layer of metasediments. Based on 

mapped units, the expected contact between the marble and the intrusive is covered by an icefield 

to the southwest of the cirque skam occurrences. 

The 300-foot-thick layer of marble in the Craig River area is medium- to coarse-grained,· 

commonly white, with bands of interlayered schist and quartzite that show evidence of intense 

deformation. Skarn minerals are mainly garnet and epidote with patches and seams of massive 

pyrite, pyrrhotite, and minor chalcopyrite. Gossan is common where the sulfides associated with 

the skam have been oxidized. 

BLM personnel collected four samples in the Craig River area; three of them were of skamrelated sulfides and associated gossan. One select sample contained 1,781 ppm copper (Map no. 

87, sample 3747) and another contained 478 ppm molybdenum (Map no. 87, sample 3736). 

Neither of these samples represent significant extents of mineralization. Precious-metal values 

179 
from the samples were low; the highest gold value was 41 ppb across 2.2 feet of gossan (Map no. 

87, sample 3746). 

Conclusions 

The skarn occurrence in the Craig River area is very small and low-grade. The immediate contact 

between the mineralized marble layer and the quartz monzonite and granodiorite, with which the 

mineralization is likely associated, was not discovered. The contact is likely covered by ice sheets 

in the area. Based on the evidence gathered to date, the occurrence is of little significance. 

180 

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Location/ Access 

CRAIG CLAIMS AREA 

(Plate 1, Map nos. 88.1-88.2) 

The Craig Claims area is located near the U.S.-Canada border, about 2.5 miles west of Mt. 

Pounder, a border peak near the head of the North Fork of the Bradfield River. The area is 

45 miles east of Wrangell. The occurrence is reported to lie a few hundred feet below the foot of 

an icefield, at about 4,000 feet elevation (Grybeck and Berg, 1998). The area is marked by 

rugged mountains with sparse vegetation. Access is by helicopter. 

History 

Sixty claims, called the "Craig" claims, were staked by K. Eichner, B. Huff, W. Hawkins, and 

A. Lillie in 1977 (Alaska Kardex, 1982). By 1981 the claims were no longer active (Elliot and 

Koch, 1981). There is no known report of activity since the original claims were staked. 

Mineral Assessment 

BLM personnel examined the Craig Claims area, but were unable to locate the occurrence in 

outcrop. Instead, they sampled rubble from talus slopes· that was similar to the described 

mineralized rock. Elliot and Koch ( 1981) reported disseminated chalcopyrite, pyrite, and 

pyrrhotite in metasedimentary rock and chalcopyrite in thin veinlets. Float with skam minerals 

including magnetite and minor chalcopyrite is .also reported. The host rocks in the area have been 

·· mapped as Mesozoic or Paleozoic metasedimentary and lesser metavolcanic rocks with local 

marble (Elliot and Koch, 1981). 

BLM personnel collected seven samples in the Craig Claims area. Four of the samples were 

collected from rubblecrops at the foot of steep cliffs in the area of the reported occurrence. Two 

types of mineralization are evident-disseminated and layered sulfides.in schist and gneiss, and 

skam. A sample of hornblendite, which was likely formed as a skarn, contained about 25 percent 

sulfides, mostly pyrite and pyrrhotite, with 5,706 ppm copper and 3.1 percent zinc (Map no. 88.2, 

sample 3740). The skam is more commonly evident as inch-scale seams of coarsely crystalline 

pyrite. The disseminated and layered sulfides consist mainly of pyrite. Sample results indicate 

low base-metal values. The highest gold value from the area was only 30 ppb (Map no. 88.2, 

sample 3740). 

Investigators collected three samples from a ridge crest 0.7 miles west-southwest of the 

rubblecrops described above. Iron-stained, metasedimentary rocks and minor skarn were sampled 

from a roof pendent surrounded by quartz monzonite and granodiorite. The base- and preciousmetal values of the samples were low. One skarn sample contained 1,277 ppm copper and 2,288 

ppm zinc (Map no. 88.1, sample 3741). 

181 
Conclusions 

BLM personnel did not find significant mineralization in the Craig Claims area. The fact that the 

claims were held for less than 2 years also suggests that the occurrence is of limited significance. 

182 

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NORTH BRADFIELD RIVER SKARN 

(Plate 1, Map nos. 89.1-89.7) 

Location/ Access 

The North Bradfield River Skarn prospect is located 15 miles up the North Fork of the Bradfield 

River, about 39 miles east of Wrangell. An old, partly washed-out logging road extends from the 

head of Bradfield Canal up the North Fork of the Bradfield River to the prospect. The area 

topography is rugged, ranging in elevation from 400 to 4,000 feet. The lower elevations are 

brush- and timber-covered; the upper elevations are alpine. Access to the prospect is by 

helicopter. 

History 

Malachite-stained cliffs led pilot Ken Eichner to the discovery of the North Bradfield River Skarn 

iron-copper prospect in 1955. His partner, Paul Pieper, staked the area (Ken Eichner, oral 

commun., 1997), and by 1958 it was held with 41 claims (Alaska Kardex, 1982). Vancouver 

geologist Clive Ball examined and mapped it in 1956 (Ball, 1956). In 1957 it was examined by 

consultants for Takahashi C.T. & Co. and optioned until December 31, 1959. Takahashi mapped 

the prospect, conducted an aeromagnetic survey, and drilled 14 shallow holes (Roberts, 1958). 

From 1960 to 1962, Utah Construction optioned the property, mapped and sampled it in detail, 

drilled out at least 460 feet of core, and estimated resources (Utah Construction, 1960; 1962). In 

1960 the USGS mapped the prospect (MacKevett and Blake, 1963). According to recording 

office records, an adit was driven·on the prospect in 1967, and the prospect was drilled in 19-68 

and 1970 (Alaska Kardex, 1982). In 1977, 400 stream sediment and rock chip samples were 

collected from the prospect (Nieman and Ellison, 1977). There are no active claims in the area. 

Mineral Assessment 

The North Bradfield River Skam prospect is located in the northwestern comer of a large, 

metamorphosed roof pendent surrounded by intrusive rocks of the Coast Range Batholith. The 

pendent is 2 miles wide in the area of the prospect. It consists of Mesozoic and Paleozoic 

metasedimentary and metavolcanic rocks that are altered to gneiss and schist and are intercalated 

with beds of marble. The metamorphic rocks are in contact with Eocene quartz monzonite and 

are cut by felsic to intermediate dikes (Utah Construction, 1960; Elliott and Koch 1981). The 

iron-copper deposits are found in skam zones associated with beds of marble. According to 

MacKevett and Blake (1963), the marble beds form an overturned syncline; as interpreted by 

Sonnevil (1981), they form a homocline with northwest to northeast dips. Work by Utah 

Construction (1960) tends to support the homoclinal interpretation. 

The iron-copper deposits of the North Bradfield River Skam form a discontinuous series of pods 

and lenticular bands striking northwest and dipping 30° northeast to vertical. They form a belt 

0.5 mile wide by 2 miles long with an upper area of iron-copper deposits at elevations of 2,000 to 

3,600 feet and a lower area of deposits at elevations from 700 to 900 feet. Locally the marble is 

replaced by calc-silicate skam, which contains lenses and pods of magnetite with minor pyrrhotite, 

chalcopyrite, and pyrite (Utah Construction, 1960). 

183 
Based on trenching and drilling, Utah Construction has identified nine magnetite-copper lenses 

in the upper area that range in width from 15 to 150 feet, in length from 150 to 650 feet, and in 

depth from 100 to 500 feet. In the lower area, Utah Construction has identified four magnetitecopper lenses or zones that range in width from 15 to 20 feet, in length from 320 to 1,200 feet, 

and in depth from 150 to 400 feet. 

It is estimated that the upper area deposits contain 500,000 tons of proven and probable resources 

and 3,542,000 tons of possible resources, and the lower area deposits contain 500,000 tons of 

proven and probable resources and 939,000 tons of possible resources. Taken together, the lower 

and upper areas contain I million tons of proven and probable resources and 4,481,000 tons of 

possible resources. The grade is estimated to be 35 to 40 percent iron, 0.2 to 0.3 percent copper, 

and 3 to 4 percent sulfur (Utah Construction, 1960). 

The BLM's examination of the North Bradfield River Skarn prospect was confined to (1) 

sampling rock exposures at elevations from 700 and 750 feet along the North Fork of the 

Bradfield River at the northern end of the prospect and (2) sampling magnetite-copper and 

associated mineralization in the lower (northwestern) and upper (southeastern) parts of the 

prospect. At the northern end of the prospect, samples ~ollected from skam mineralized zones 

found in iron-stained schist and gneiss (in cliffs on the east side of the North Fork of the Bradfield 

River) contained up to 164 ppb gold and 1.3 percent copper (Map nos. 89.1-89.2, samples 45~-

456, 473, 2860-61, 8726). In the lower part of the prospect, samples collected from magnetite 

and associated skam mineralization contained up to 190 ppb gold, 6,629 ppm copper, and 168 

ppm molybdenum (Map nos. 89.3-89.4, samples 471, 474-475, 8725, 8727-29). In the upper part 

of the prospect, samples collected from magnetite and associated skarn mineralization contained 

up to 289 ppb gold, 3,351 ppm copper and 229 ppm molybdenum (Map nos. 89.5-89.7, samples 

472, 481-484, 487-488, 8735-38). In addition, two reconnaissance samples collected of 

magnetite, hematite, and quartz from the upper part of the prospect and analyzed by a different 

laboratory contained 1,360 and 3,600 ppb gold, 3.4 and 11.6 ppm silver, and 1,130 and 2,200 

ppm copper (Map no 89. 7, samples 2645-46). The BLM' s sample results for copper compare 

roughly with the Utah Construction resource estimates of 0.2 to 0.3 percent copper. The gold 

values in samples 2645 and 2646 are anomalously high when compared with the other samples 

collected from the prospect and may be analytical artifacts. 

Conclusions 

The resource estimate for the North Bradfield River.Skam prospect indicates a copper-iron 

deposit that is too small and too low-grade to be a development target. Exploration at greater 

depth and in the vicinity of the known deposit may reveal more significant mineralized rock. In 

addition, the high gold values in samples collected from the upper area are worthy of follow-up. 

184 

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MT. LEWIS CASS 

(Plate 1, Map nos. 90.1-90.3) 

Location/ Access 

The Mt. Lewis Cass occurrence is located 1.5 miles southwest of Mt. Lewis Cass, 48 miles cast 

of Wrangell. The area topography is alpine, with steep-walled, U-shaped valleys, glaciers, and 

sharp peaks. Elevations at the occurrence range from 2,400 to 4,100 feet. Access to the 

occurrence is by helicopter. 

History 

The Mt. Lewis Cass occurrence was discovered during this study. There is no mention of it in 

published literature. 

Mineral Assessment 

The Mt. Lewis Cass occurrence is located near the contact between Eocene granodiorite and 

Mesozoic and/or Paleozoic metasedimentary and metavolcanic rocks with some marble (Elliot 

and Koch, 1981). The granodiorite is exposed in a stream cut located at the bottom of a Ushaped valley (elevation 2,500 feet). The southern side of the valley consist of iron-stained, 

volcanic and sedimentary rocks. 

The granodiorite includes narrow quartz stringers that contain knots and blebs of sulfides. A 

5-foot-long by 0.3-foot-thick quartz stringer contains blebs of molybdenum. A 0.3-foot chip 

sample across it_assayed 1,240 ppm molybdenum (Map no. 90.2, sample 8718). Other stringers 

examined did not contain metallic sulfides. 

Iron-stained, silicified, metasedimentary and metavolcanic float, which is likely rubble from the 

cliffs on the southern side of the valley, contains pyrrhotite, magnetite, and chalcopyrite. The 

chalcopyrite is in blebs and narrow quartz stringers. Samples from the chalcopyrite-bearing float 

contain from 1,832 ppm to 1.3 percent copper, up to 289 ppb gold, and 17.6 ppm silver (Map 

nos. 90.1-90.2, samples 463, 8717). 

BLM personnel examined an area of iron-stained, volcanic rocks exposed between elevations of 

4,000 and 4,300 feet in a cliff on the southern side of the valley. In places, these rocks are 

silicified, contain small amounts of pyrite and pyrrhotite, and are intensely iron-stained. Metallic 

sulfide minerals were not found (Map no. 90.3, samples 470, 8723-24). 

Conclusions 

The Mt. Lewis Cass occurrence has indications of copper and molybdenum mineralization. Th~ 

area is worthy of more detailed examination. 

185 
UPPER MARTEN LAKE 

(Plate 1, Map no. 91) 

Location/ Access 

The Upper Marten Lake area is located about 25 miles southeast of Wrangell on the mainland. 

The occurrence is in the saddle of a ridge at an elevation of about 2,600 feet, about 1 mile eastsoutheast of the eastern end of Upper Marten Lake. The site is above the local tree line where the 

sparse vegetation includes brush and grasses. Access is best by helicopter. 

History 

The Upper Marten Lake area was brought to the attention of BLM personnel by a USGS stream 

sediment sample from the area that was anomalous for gold (Koch and Elliot, 1981). No other 

reference to the site is known. 

Mineral Assessment 

The Upper Marten Lake occurrence consists of mineralized rock associated with a fault zone that 

is oriented 330° and dips about 75° to the northeast. The fault zone forms a topographic low in 

which a stream now flows and from which an anomalous stream sediment sample was collected 

by the USGS (Koch and Elliot, 1981). The fault is hosted in rocks mapped as Mesozoic and/or 

Paleozoic schist and paragneiss and is situated near the contact with a Cretaceous diorite or 

granodiorite (Elliot and Koch, 1981). The occurrence is also situated about 2 miles ~est of t~e 

Coast Range megalineament (Brew and Ford, 1978) and great tonalite sill (Brew and Morrell, 

1983; Brew, 1997h) and, in a general way, is aligned along strike with the mineralized rock of 

Groundhog Basin and the gold occurrence at Andrew Creek, 15 to 20 miles to the northwest. 

Quartz stringers and veins are common in the fault zone along with clay-like fault gouge. The 

quartz and gouge in places contains sulfides, mainly pyrite and pyrrhotite. 

BLM personnel collected four samples of iron-stained quartz and fault gouge from the fault zone 

at Upper Marten Lake. One sample contained 475 ppb gold, 86.9 ppm silver, and 1,218 ppm lead 

(Map no. 91, sample 2847). The other samples had low precious- and base-metal values. 

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BLM personnel also collected one sample from an iron-stained quartz vein exposed along a ridge l 

crest about 2 miles north of the Upper Marten Lake occurrence. The vein trends 335° and dips 

about 75° to the northeast. It is hosted in schist, and the vein and schist foliation are 

approximately conformable. The vein pinches and swells from about 3 inches to 1 foot in width. 

It is exposed for about 20 feet. It contains only minor pyrite. Analytical results revealed 517 ppb 

gold across 0.7 feet of the vein (Plate 2, Map no. R92, sample 3749). 

Conclusions 

The known mineralized rock at the Upper Marten Lake occurrence is insufficient in size and grade 

to be of significance by itself. The occurrence is noteworthy because of its similar relative 

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position to the Coast Range megalineament.and great tonalite sill as the mineralized rock at 

Groundhog Basin and Andrew Creek. If the similarity of position is related to genesis of the 

mineralized rock, the area may be considered more prospective for hosting mineral deposits than 

previously thought. 

187 
BRADFIELD RIVER 

(Plate C Map nos. 92.1-92.3) 

Location/ Access 

The Bradfield River prospect is located near the mouth of the Bradfield River near the head of 

Bradfield Canal, 37 miles southeast of ·Wrangell (Alaska Kardex, 1982). The area topography is 

moderately steep with timber and brush cover. Access to the prospect is by boat and foot. 

History 

In 1962, 57 placer claims were staked for iron at the head of Bradfield Canal. In 197 4, three 

placer claims were also staked for iron at the mouth of the Bradfield River (Alaska Kardex, 

1982). There is no other mention of these placer claims in published literature. Currently, there 

are no active claims in the area. 

Mineral Assessment 

The tide and river flats at the head of Bradfield Canal and at the mouth of the Bradfield River 

include extensive sediments that contain wisps of magnetite-rich black sands. The source of the 

magnetite is likely the iron-rich North Bradfield River Skarn deposit and the intrusives of the 

Coast Range Batholith. 

The BLM's examination of the head of t~e Bradfield Canal was confined to collecting 12 stream 

sediment sample from magnetite-bearing sands exposed in river and tide flats. The samples 

averaged 9 percent iron. The two highest-grade iron samples contained 20.34 and 54.89 percent 

iron (Map no. 92.3, samples. 70, 238). None of the samples contained other significant metal 

concentrations. 

Conclusions 

The Bradfield River prospect does not contain sufficient iron or other metals to be an exploration 

target. 

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SUMMARY 

The Stikine area includes diverse physical geography, several tectonostratigraphic terranes and 

lithic assemblages, and varied mineral potential. Historical information and the Bureau's 

preliminary mineral assessment of the study area indicate three areas with higher relative mineral 

potential: (I) Duncan Canal - Zarembo Island, (2) Groundhog Basin, and (3) Cornwallis 

Peninsula. 

The greatest potential for hosting an economic mineral deposit in the Stikine area seems to be in 

the Duncan Canal - Zarembo Island area where the potential exists for Triassic-hosted 

volcanogenic massive_sulfide (VMS) deposits. Currently there are 18 prospects or occurrences in 

this area with suspected VMS style of mineralization. They are situated along the eastern margin 

of the Alexander terrane, a similar tectonic position to the Greens Creek and Windy Craggy 

deposits of major significance, 100 and 250 miles respectively, to the northwest. The only 

significant mineral production in the Stikine area came from the Castle Island Mine, a VMS 

deposit that produced 787,000 tons of barite between 1966 and 1980 (Carnes, 1980). 

The Groundhog Basin area has been the focus of mineral explo~ation for a variety of mineral 

exploration companies since the 1960's. The area hosts the potential for polymetallic replacement 

and polymetallic vein type deposits and porphyry molybdenum. Small, but high grade, 

mineralized intervals are widespread across the area. One of the most promising parts of the 

Groundhog Basin area is the intersection of a major shear zone that hosts base- and precious 

metals with a marble bed that also hosts mineralized rock. The projected inte~section of the two 

units is covered by the Nelson Glacier. 

The Cornwallis Peninsula area includes several replacement type deposits in Triassic host rocks. 

How these occurrences are related to the Duncan Canal· - Zarembo Island area Triassic VMS 

deposits is not clearly understood. This relationship though, along with the widespread nature of 

the mineralized rocks, suggest the Cornwallis area has the potential for hosting an economic 

mineral deposit. 

The Stikine area hosts a variety of other mineral deposit types and occurrences as well, but few 

have generated much exploration interest recently. These include vein gold, skam, magmatic 

segregation, and veins of barite. In addition to the production from the Castle Island Mine, minor 

gold production came from the Maid of Mexico, Helen S, and Cascade mines. 

This interim report presents the data collected by BLM personnel in the 5.7 million-acre Stikine 

area of Central Southeast Alaska during 1997 and 1998. It includes descriptions of over 90 

mines, prospects, and anomalous mineral occurrences. A final report, which will present the 

results of the entire 1997 to 2000 mineral assessment study of the Stikine area, is proposed for 

publication in 2001. 

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197 
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200 

r. 

\ 

\ 

L 
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202 

r~ 

I 

I 

l 

[ -

r 

/~ 

( 

; 

l~-
Van Alstine, P.V., and Berryhill R.V., 1963, Fluorite occurrences on Zarembo Island, 

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204 

r 
APPENDIX A -ANALYTICAL RESULTS 

SAMPLING AND ANALYTICAL PROCEDURES 

Sampling methods 

Several types of rock samples were collected to evaluate mineral deposits in the Stikine area. 

Channel samples are rock fragments, chips, or dust from a continuous channel of uniform width 

and depth across an exposure. Chip channel samples are chips of rock taken 'in a continuous 

line across a relatively uniform width and depth of an exposure. Continuous chip samples are 

chips of rock taken in a continuous line across an exposure. Representative chip samples are 

discontinuous chips of rock taken across an exposure. Spaced chip samples are chips of rock 

taken at a specified interval across an exposure. Random chip samples are chips of rock taken 

randomly across an exposure. Grab samples are rock chips or fragments taken more or less at 

random from an outcrop, float, or mine dump. Select samples are rock chips collected from the 

highest grade parts of a mineralized zone. 

Stream sediment and pan concentrate samples are collected in reconnaissance fashion to detect 

any anomalous metal values that may indicate the presence of mineralized rock in an area. 

Stream sediment samples are collections of silt- and clay-size particles taken from a stream 

bed. Pan concentrate samples consist of one pan full of gravel, sand, and/or fines reduced by 

standard panning methods .. The resultant concentrate of fines is then analyzed. 

Analytical Methods 

All analyses were conducted by a commercial laboratory. Rock samples were dried, crushed to a 

minus 10 mesh, split and pulverized to minus 150 mesh. Stream sediment samples were dried and 

sieved to a minus 80 mesh. Pan concentrate samples were pulverized to minus 150 mesh. For 

samples analyzed by inductively coupled argon plasma (ICP) and atomic absorption 

spectrophotometry (AA), a 0.5-gram sample was dissolved in aqua regia for measurement. For 

samples analyzed by X-ray fluorescence (XRF), a 10 gram ·pressed pellet was prepared for 

measurement. For samples analyzed by instrumental neutron activation analysis (INAA), a 

5-gram vial is measured. 

Samples were analyzed for gold by fire assay pre-concentration of a 30-gram sample followed by 

an AA finish with results reported in parts per billion. For gold values exceeding the upper 

detection limit of 10,000 ppb, a gravimetric finish was performed and results reported in ounces 

per ton. 

Silver, copper, lead, zinc, and molybdenum were analyzed by AA with results reported in parts 

per million. Those samples of copper, lead, zinc, and molybdenum that exceeded the upper 

detection limits were subjected to low-level assays consisting of a multiacid digestion and AA 

finish, with results reported in percent. Samples of silver that exceeded detection limits were 

205 
reanalyzed with gravimetric determination by fire assay using lead as a collector and results 

reported in ounces per ton. 

Platinum and palladium were analyzed by fire assay pre-concentration of a 30 gram sample and an 

ICP finish with results reported in parts per billion. 

Baiium was analyzed by XRF with results reported in ppm. Those samples exceeding the upper 

detection limits (20,000 ppm) were further analyzed by wet chemical high-grade assay methods 

utilizing carbonate fusion digestion and measured by AA. This pressed pellet method is preferred 

due to the incomplete dissolution of barite (BaSO4) by standard aqua regia and 

multiacid digestion methods used for ICP and AA analysis. For selected samples, tin and tungsten 

were also analyzed by XRF to improve the accuracy of data in areas where the BLM presumed a 

higher potential for these elements exists. 

Rare-earth elements (Ce, Eu, La, ;Lu, _Nd, Sc, Sm, Tb, Th, U, Yb) were·analyzed by INAA with 

values reported in parts per million. 

Mercury was analyzed by cold vapor AA methods with results reported in parts per million. 

The remaining 24 elements were analyzed by ICP with results reported as either parts per 

million or percent. In most circumstances, samples analyzed by this method that exceeded the 

upper detection limits were not reanalyzed, but were reported as greater than the corresponding 

upper detection limit. However, values above ICP detection limits were obtained for some 

samples using low-level assay methods consisting of a multiacid digestion and AA finish, with 

results reported in percent. 

MINIMUM DETECTION LIMITS BY ANALYTICAL TECHNIQUE 

Fire assay methods 

Element 

Au 

Au 

Ag 

Pd 

Pt 

Minimum. ppm 

0.005 

0.17 

0.7 

0.001 

0.005 

Finish Method 

atomic absorption (AA) 

gravimetric 

gravimetric 

inductively coupled argon plasma (ICP) 

inductively coupled argon plasma (ICP) 

X-ray fluorescence spectroscopy (XRF) 

Element 

Ba 

Sn 

w 

Minimum. ppm 

10 

4 

4 

206 

r 

( 

I 

L 
Instrumental neutron activation analysis 

Element 

Ce 

Eu 

La 

Lu 

Nd 

Sc 

Minimum, ppm 

2 

0.5 

2 

0.1 

5 

0.1 

Element 

Sm 

Tb 

Th 

u 

Yb 

Atomic absorption spectrophotometry (AA) 

Element 

Ag 

Cu 

Hg (cold vapor) 

Mo 

Pb 

Zn 

Minimum, ppm 

0.1 

1 

0.01 

1 

2 

1 

Inductively coupled argon plasma (ICP) spectroscop·y 

Element · Minimum, 12nm Element 

Al 0.01 % Mn 

As 5 Na 

Bi 5 Nb 

Ca 0.01 % Ni 

Cd 0.2 Sb 

Co 1 Sc 

Cr 1 Sn 

Fe 0.01 % Sr 

Ga 2 Te 

K 0.01% Ti 

La 1 V 

Mg 0.01 % w 

207 

Minimum, ppm 

0.1 

0.5 

0.5 

1 

0.5 

Minimum2 J2pm 

1 

0.01 % 

1 

1 

5· 

5 

20 

1 

10 

0.01 % 

1 

20 
ANALYTICAL RESULTS FOR SAMPLES FROM MINES, PROSPECTS, AND 

MINERAL OCCURRENCES AND FROM RECONNAISSANCE C 

INVESTIGATIONS 

Analytical and sample data are presented in Tables A-1 to A-3. In addition to the analytical 

results, the following information is listed in the tables: prospect or reconnaissance map number, 

sample number, sample location, sample type, sample size, and a brief sample description. The 

results are organized by map number on the mines, prospects, and occurrences sample location 

map (Plate 1) and by reconnaissance map number on the reconnaissance investigation sample 

location map (Plate 2). 

Units of measure 

Results are recorded under the element's chemical symbol in the following units, except where 

noted by an asterisk(*). The results marked by asterisks were from samples whose 

concentrations of the corresponding element exceeded the limits of the analytical technique used 

for evaluation. These over-detection-limit samples were reanalyzed, commonly using a different 

analytical technique with different units of measurement. 

Au, Pt, Pd - parts per billion (ppb) 

Ag, Cu, Pd, Zn, Mo, Ni, Co, As, Ba, Bi, Cd, Cr, Ga, Hg, La, Mn, Nb, Sb, Sc, Sn, Sr, Te, V, W -

parts per million (ppm) · 

Al, Ca, Fe, K, Mg, Na, Ti - percent(%) 

If followed by an asterisk, Au and Ag values are recorded in ounces per ton ( oz/ton) and Cu, Pb, 

and Zn, are recorded in percent(%). Asterisks in the Ba, Sn, and W columns indicate XRF 

analyses. 

Abbreviations 

Sample types: 

Rock Chip 

C 

cc 

CH 

G 

RC 

Rep 

s 

SC 

continuous chip 

chip channel 

channel 

grab 

random chip 

representative chip 

select 

spaced chip 

Stream Sample 

SS stream sediment 

PC pan concentrate 

208 

r--

1 

,; 
I. 

Sample sites: 

FL float TP trench, pit, or cut 

MD mine dump uw underground workings 

MT mine tailings OC outcrop 

RC rubblecrop 

Sample descriptions: 

@ at int intrusive 

alt altered ls limestone 

ar argillite mag magnetite 

aspy arsenopyrite mg medium-grained 

bt biotite meta metamorphic 

br breccia/brecciated ml malachite 

calc calcite/calcareous mo molybdenite 

carb carbonate/carbonaceous msv massive 

cg coarse-grained peg pegmatite 

chl chlori te/chloritic po pyrrhotite 

cp chalcopyrite porph porphyry/porphyritic 

dissem disseminated/disseminations PY pyrite/pyri tic 

dol dolomite/dolomitic qz quartz 

fel felsic sed sediment 

fest iron-stained SC schist 

fg fine-grained sil s1licified/siliceous 

gn galena sl sphalerite 

gp graphite/ graphitic sulf sulfide 

gw graywacke vn vein 

gs greenstone vole volcanic 

nbl hornblende w/ with 

209 
( 

t 

210 
Table A-1. Analytical results for s_amples from mines, prospeci:s, and mineral occurrences 

211 
1 9604 

l \L :9605 

1 

•·2,1:: 

2.2 

2{2\ 

2.3 

jt3.·•.'·• 

9606 

9622 

167 

91523 

155 

156 

2.3 9612 

2.4': . 961.1 

3.1 161 

3;1 9617 

3.1 9618 

:tf . 9619 

3.1 9620 

~;t ·•9621 

3.2 2614 

3.3 1Ei? 

3.3 163 

3>3 164 

3.3 165 

3.3 166 

4 159 

4< 160 

5.1 9616 

$i / 9578: 

5.2 9615 

~;1: 9613. 

Allied Mine Group E 

AW~d Miner(3r()LJP E 

Allied Mine Group E 

cornwaius Peninsula 

Cornwallis Peninsula 

. • Cornwallis Perii11s.ula 

Cornwallis Peninsula 

Corilwallis.Peninsola •··•· 

Cornwallis Peninsula 

Cornwallis Peni.risula 

Keku Islet 

Ke~u Islet 

Keku Islet 

KeKuJslet 

Keku Islet 

KekU Islet 

Keku Islet 

Keku .. lslet 

Keku Islet 

Keku·lslet 

Keku Islet 

Keku Islet 

Little Creek 

Little Creek 

Kuiu Lead-Zinc 

Kuiu Lead-Zinc 

Kuiu Lead-Zinc 

. Kathl;)rine •·· 

6.2 157 Katherine 

6:'.2 • ·· • 9614 •·• <.Katherine 

7 151 Saginaw Bay 

Z 11?? •· $?9in~w ~~y 7 153 Saginaw Bay 

8>1 > · . : 9.577 ,·.•·•·· HtJngeiiorq .. 

8.2 154 H~ng~rford 

~;f 158 ··· Hμrigerford 

9 9608 Corn 

9 9§Q~? • Corri 

9 9610 Corn 

~9ginc:1w Bay B~rite • · 

1 O 9607 Saginaw Bay Barite 

11 : : J74 ••• Kadake ~ay 

11 175 Kadake Bay 

1iii • ·· 176 l<ad~ke Bay · 

11 9627 Kadake Bay 

12)1 !;)9?§ · · Kuiu 

12.1 9626 Kuiu 

C 

Rep 

G 

G 

C 

SC . •G 

C 

Rep 

C 

C 

C 

C 

s 

C 

C 

C 

C 

C 

ss 

G 

RC 

>S 

s 

R(:)P 

G 

•··•R(:)P 

G 

G 

ss 

RC 

G 

G 

G· 

G 

••·•c: 

Rep 

C 

C 

c··. 

C ... ss 

ss 

Table A-1. Analytical results for samples from mines, prospects, and occurrences 

0.1 

O.A 

1.4 

0.3 

oc 

QC 

oc 

.•.•oc 

1 

2@0.5 

0,4· 

oc 

oc 

oc 

:FL 

oc 

QC 

oc 

QC 

oc 

oc 

oc 

QC 

oc 

2.3 

0:6 

4 

·2;4 

4.3 

3 

6 

2 

0.1 

t75 

0.07 

0;6 

0.07 

0.1 

•·• OG 

oc 

oc 

oc 

oc 

0.4 • RC 

oc 

TP 

TP 

1;5 

0.5 

1. 

0.3 

0::3 

15 

();6 

2 

Q:~r 

2.4 

o:r 

0.3 

·°'°7 

oc 

RC. 

iO :>.•·•.·oc 

FL 

FL 

oc· 

oc 

·:••de 

oc 

<>OC 

FL ••i•·•occ··· 

oc 

···oc · 

oc 

.··,•pc• 

Pink barite pod in volcaniclastics 

•·· aarif~r~rg vn •ff\iplc~h1Cl~$tiC$•······· 

Barite vn in volcaniclastics 

: ~~ w/c9 ~Ellq", ljtj'l()i'Jjf1:V 

Fest vole w/ py, limonite, fg sl 

~arjt.~ vns ifl co~r~~ ~f~pj~ 

Barite vn w/ calcite 

•Pqn9Jqm~rntg:w/py;@9e~I• 

Barite vn w/ fg py 

Lswl ois!i>ern $~If 

Basalt dike w/ sf ladder vns 

Alf l?~~~lt Qi~ w{~f !?g~efy~ib_l~!ti•····· .. 

Alt basalt dike w/ sl ladder veinlets 

Att.b¥sait.9i~~ jl slJ~dciervelnlijie 

Alt~~s~lt di~; V!l/ .~I. l~~~lilr ~:i~l~ts, py 

Alf!?i:J:S~lf di~l,:l wt $).l1:1gq~ry~il1ll,:ltS 

Fractured & br basalt w/ sl along fractures 

· · §ijS~lfqikeWI aj;~trirjgflf~ · · · ·· ·· · ·· 

SI veinlet in basalt 

Bas~1tw1 sr vn . ·. Basalt w/ sl vn 

Basaltw/ sl vn 

Kuiu vole outcrop in stream 

Rhyolite Wt.jasper 

Alt rhyolite 

•·. DoL}VI grl $: SI 

Doi w/ gn & black manganese oxide alt 

e1~r1~ ~mngets ilrriiriQfgrijn fa••········ · 

\/uggy, dr~syqz v11 ~/ py ~ gray sulf 

. $ii zqtj~ Wftjfl.lSY q.2:; PY ·• 

Cherty, sil boulder w/ bands of py & 

· q~~r:tWli:>~ri~~ & bl~~s qf PY · · Metavolc outcrop in stream 

'·• ~t~I P~ri~¢igi1, s.hJi!l$P¢f{&l'l~q+ 

,Arn~~~~l~id~J b~sal_t.~f pyBt ~iSl)S of waysulf 

HRH9!9m~@~~ WL pijfi!~i 1>! 

Sil rhyolite w/ scattered fg gray sulf 

: Si!.rhYPUt~:w{$P~4~f¢gfg !:@Y ~@ 

Barite w/ sl, gray sulf 

6arite\feinlefir(I~ . Cg bladed barite vn in Is 

· cartHcissiis. fo. shaie C~rb bed in Is . ' ' 

Ca/b bec1 irf)f 

OC Carb fossil seams in mg qz arenite 

/\/ <•·• M~i$ed~ gμt¢fop}!J$tr~~ot·•:· 

Metaseds outcrop in stream 

212 

~& 

6 

~5 

<5 

......... ... ... . ~s: 

<5 

<i~s 

<5 

6i1> 

1.9 

1;8 .. 

1.3 

-is ··•·· n~o:t 

<5 <0.1 

i-<S• · · <mo 

6 <0.1 

~5· )i:(M 

<5 <0.1 

24 •.>:.i.••~ctf/• 

6 <0.1 

,~-

26 

153 

••••· 191> 

126 

187 

24 

11 

12 

.1t 

1959 9 i: .. 

40 

51 

6 

1()\ . 

8 

JQii'·• 

8 

11 

66Q: 

15 

···.35· 

249 

401 

22 

302 

~9-~~:· 

10.31 * 

••/5625 

86 

4$4•••····· 

1691 

4+ 

4 

22 

8 

,x.•,x.-.10 

22 

. )4~::·· 

12 

8.8 * 

&.0." 

7773 

10.9 * 

8.6 * . 

76 

101 

287 

13.4,. 

7.7 * 

32 

423 

1.5 * 

7 

264 

168 

114 

121 

•·so·· 

37 

<1 

6 

20 

<1 .. :f 

2 

<1 

1 

2 

<;1 

<1 

B 

3 

••••• •:$1 2 

.• 6 

71 

. :: 20 

5 

..• 5 

9 

•'3 

<1 
1 9604 

1. .·.a605· · 

1 9606 

2:i 9622 

2.2 167 

2.t ~1523 

2.3 155 

2;3\? · 155 

2.3 9612 

2;4 ij$11• 

3.1 161 

3;1 961.7 

3.1 9618 

3tv· 9619 

3.1 9620 

a.r ae:2i· 

3.2 . 2614 

.3:3 F?1p2 

3.3 163 

3i3: 154·· 

3.3 165 

3i3 . 166 

4 159 

:if 1!:iO: 

5.1 9616 

5.2 9615 

6:1 9613 

6.2 157 

6:2.? : 9El14 

7. 151 

f3j)• 9577 

8.2 154 

a:2r ts8 

9 9608 

.9 / .. 9,6.()9 · 

9 9610 

:iP 148 

10 9607 

12;1 i.S625 

12.1 9626 

3 11 0.1 

2 2 0.1 

5 10 0.2 

4 1 .0 

15 10 0.3 

> <1 <:1 0 

1 2 0.1 

:.:,2 · 12 0:2 

2 

4 

29 

20 

39 

44 

43 

33 

12 

31 

32 

39 

34 

15 

3 

4 

4 

2 

7 

48 

38 

3 

2 

8 

·3. 

3 

3 

3 

3 ... 

3 

.3 

<1 0.1 

1 0 

31 0.4 

17 0.2 

35 0.8 

34 0.3 

31 0.2 

33 0.4 

15 0.3 

26 • .0.3 

22 0.3 

23 ().2. 

28 0.3 

16 0.3 

10 2.5 

<1 0:3 

<1 0.3 

1 0.1 

9 0'1 

29 0.1 

1.3 0:1 

<1 0.3 

<1 p;3 

14 2.1 

5 Q;1 

3 1.2 

.· 4 (f5 

<1 0.2 

<1 Q;2 

3 0.1 

2 0 

<1 <1 0 

.• 14 15 1 

3 2 0.1 

5 5 0,2 

5 5 0.2 

6 5 1J 

4 6 0.9 

Table A-1. Analytical results for samples from mines, prospects, and occurrences 

<5 >20000 * <5 4.7 <0.2 7 2.36 <2 0.238 0.02 9 1.05 2569 0.02 <1 <5 <5 <20 674 <10 <0.01 12 <20 

•s '?°4000Q ~ <5 4.5 · ;;0;2··· 25 •·· d.s9 ;.;20 · ct21 ();O!f ··4 0,23 ·.sas ,1;91 *1< · 5q: •· 5$ ·~20 /1410 ~10iM1 · ••7 <20 

19 >20000 * <5 0.3 <0.2 29 2.07 <2 0.186 0.13 6 0.12 736 0.05 <1 <5 <5 <20 761 <10 <0.01 21 <20 

11 308 ~ ..;;5 4Cf .:L7 2 o:86 -;:2: •0;3p5 :0;02 > 2 0.28 . 1113 OJ03 :::'$ . /~5 .:::$: '<20 < 302 ••i10 .;0.01 · 3 .-::20 

158 12805 .. <5 0.2 20.6 35 11.89 5 11.39 0.26 4 0.03 150 0.03 <1 28 6 <20 28 <10 <0.01 30 <20 

19 ?.20000 ~5 2.2 . f3 4 0,72 <;:2 !:tJ?:7 0:02 6 Oi97 . 14ij7< (tQ'.2 i~1i : "$ i<:$ 'k:20 ',f 415 ~jp. <i:QC01 i;.;:t <!20 

10 >20000 * <5 6.8 1.1 12 2.96 2 0.179 0.05 166 3.04 6207 0.01 1 <5 <5 <20 741 <10 <0.01 4 <20 

· 644 ?20000 !' · · · · <5 ·.. 4 3.4 ~f J§.J!3 < $ :~;~~#! Jtoe : 151 1.15: .. ~~(;l~>· o~Q2: · • ~1 .f §~ i •s.s .::20 · · <·sa ..;10 ~0.01 · 2 ¥.?Q/: 

37 44.46% * <5 1 0.7 20 2.28 <2 2.464 0.02 22 0.44 757 0.01 <1 <5 <5 <20 1180 <10 <0.01 <1 <20 

123 ~2pooQ ~ ~s 2s· 14s,a 19 1.74 · -::tr tsst 0:01 2. (:t~~ 9921 :0 .. 02 · a 22 <;5 $1W •1~~ 11 ~oio1 1 520 

34 980 * <5 3.1 608.1 51 2.87 8 7.32 0.31 <1 0.13 863 ·o.05 <1 8 16 <20 42 33 <0.01 92 83 

29 ·. 878.. <5 3,2 411,5 48 :1A6 : < i :4:18'5. 0;25 'A Q;()5 5()t, Q:Q~ :}i:;:f <5 8 <20 < 51 25 ~mo.1 56 64 

14 843 * <5 6.3 46.5 27 6.14 2 0.451 0.23 5 0.45 2989 0.12 <1 <5 26 <20 89 <10 0.05 162 <20 

80 903.~ s5 (4 345.t: <<52 t 8 7 3'.706 p.23 2 0,19 1014 0:0~ ~1 · / .14 •12 -;20: ·· ~Q i 22 s0,01 73 54 

26 475 * <5 2.2 1025 49 4 13 10.36 0.21 2 0.03 451 0.03 <1 10 9 <20 31 37 <0.01 42 149 

27 1QE3Q * 55. ~Ht 248:8 &1 3;3 < 5 2.823 0:31 •·· ·• 4. Jt1~ 1~17( Q:OSJ ii::1 <5 24 ·~t:~o> • • ~3 1 19 ..::0.01 101 . · :35 

12 30 4 6.2 >100.0 22 1.34 10 11.49 0.3 <10 0.05 1005 0.04 10 12 59 <.01 29 <10 

7 · 5o~e::r §<. :5i4•/3S5/F ·31: J\26 : 5 /3;78 C):2.$ <t( Q;Q4· :1P9:S:: )Q:Q4 :;.;1 . <5: f7 c¢20/ 74 .. i?X~q:91 ~5.) ./.~!3 

55 343 * <5 7.6 733.5 27 1.86 10 10.94 0.21 <1 0.04 1776 0.04 1 10 16 <20 101 35 <0.01 38 131 

··e1 21st·· .;5 a.:2 ·• 119s · 1,4 a.4s> • iE> 22.59 o,1e <1 o:<)4 ·· 930•·• .o.oa: ~1 · 1a ,1 ~20 · 49 43 ~0:01 ~3 254: .·. 

32 654 * <5 5.4 623.1 26 1.69 9 7.447 0.23 <1 0.03 1227 0.03 <1 8 18 <20 68 32 <0.01 54 101 

6 no~ <s s;s 524.9 2s :1 .. 12 >•s s.afa : 0;25 11 Q.tl4 : 1?1a : 9'.q4 <::1 :~ ·A? i.<20 · sa · ?6.;5q,91 i.;~2 77 

6 176 <5 0.1 0.8 8 2.57 6 0.226 0.09 34 0.09 3890 0.02 <1 <5 <5 <20 8 <10 0.01 27 <20 

9 r~l?~ • "s q.:.r: .oA • :141 2.1z : .1:2. o;oa~ ·tu1 4~ :9:r > :&§~ >0;01: :2 ~s .:;s ;.::20: 4o 110 <;Q.01 1 i20 

7 1231 * <5:0.01 2.3 105 1.16 2 0.089 0.27 29 <0.01 1054 0.02 <1 <5 <5 <20 5 <10 <0.01 <1 <20 

11 2292 * 

44 ?'20QQQ/' 

2725 8498 * 

1602 7107 *( 

465 2256 * 

11 222T~ 

23 1079 

.· : .. J•fr~ 70 

<5 4014 * 

7 >20000 *: 

54 14625 .. 

69 >20000 * 

449 >20000 * 

<5 >20000t·· 

<5 >20000 * 

18 1240t 

20 104 * 

6 1.050 '.".' 

6 2641 * 

. 9.· <5~ 

<5 159 

<5 0-4( •1.Q5T 25 )11:$ <i 17::43 0:07 : 12 . 0:1 ;:,.,20QOO ~Q;QJ •/*f·. 855 •Y~s ~iQ h : i ?O •34 -i:Q'.01 : '.<f <20: 

<5 1.4 546 30 14.74 11 12.85 0.02 13 0.21 5.41% 0.01 <1 221 <5 <20 27 26 <0.01 <1 70 

<s 1s 1sa.s 4F 2ta ;,i:2 a3:14 •·· 0:04 ,:4 3:o~r :2stai 0;01 < 2 •··· \44 · ~s · ~20/ , ••· 1f: :1~ r~o.of 2a 29 ·• 

<5 0.1 0.6 43 30.7 6 6.185 0.02 <1 0.02 74 0.01 <1 377 <5 <20 6 <10 <0.01 5 <20 

.. f9: 006 :}.:f< ~6 HP9 4 a.61.a :o~of :11 (f22 ~47 0:02 \~1 LC2O6/ flf ~~O. . q $1Q·~O:01 ' 3 ,s20 • 

<5 0.1 <0.2 73 11.8 5 0.525 0.19 29 0.03 232 <0.01 <1 123 <5 <20 21 <10 <0.01 4 <20 

·1s o *oi2 10 4.10..- 4 1ns6 io:2t· ·43: ~02ov 42 :~qrp1 .;::1 •·.:;s: :;;tr. {20 a. ;c1Q ~oJ>t · : z .:20 

<5 0.7 0.3 11 5.47 5 0.299 0.09 30 0.21 4010 0.02 1 <5 <5 <20 62 <10 0.03 45 <20 

· <5 oa .49:a 24 :7:1fl: \<:? ~424$ •0J1s ><s o.s1 1s1ei. o:oi i<:;f : (72) <5> f~o :zos '.'\910 ~om1 ~1 tzo 

<5 5.1 123.4 15 4.1 6 6.911 0,4 34 0.38 8800 0.03 1 27 8 <20 101 <10 <0.01 20 <20 

<5 1A: 53A 37 4:4l3 .. j 8'.768 . 0:25 .10 riAa 6880 ·' 6:03\ ~1 ~5 · 6 ~20> > 464 -c:tci k0.Q1 Hi. "21J 

<5 0.1 0.3 72 6.94 2 0.407 0.18 3 <0.01 15 <0.01 <1 10 <5 <20 22 <10 <0.01 <1 <20 

i5.:0;0.1 5 70 4'.89 2 CL$j? d).19 s .. ~O;OF. : :-7~ ~q,p1 st }16.: fp $2(f 5f;l i10 ~0:01 -;1 <t,:2Q 

<5 2.4 117.8 36 1.35 <2 3.07 0.04 21 0.03 543 <0.01 <1 347 <5 <20 143 <10 <0.01 <1 <20 

c::5 6;2 <0.2 3 t2T :,.r;:2 !):£339: 0:01 • :-;:f 0;65 . 963 0;02 1w ~p t -::5 i,::20> ':1220 {10 ..,;Q,01 6 

. <5 12 <0.2 4 0.37 <2 2.011 <0.01 <1 0.16 430 0.01 2 7 <5 <20 864 <10 <0.01 3 <20 

~s ta · 1.a · 48 3.aa · :~ :0;15 o:1v 2 :Q.9~ r 799 Q]>ct> M : · :.r;?< 14 >'.;.;20 · • ??~ 5fo ~p;Qt $6 52q 

<5 17 0.8 4 2.55 <2 0.033 0.02 <f .• f35. 1382 0.08 2 <5 <5 <20 1787 <10 <0.01 37 <20 

~5 9.7 0.5 8 ··3.08)} •~2 ,:p'.Q49 0.03 )51 · 3.33 14f5E) Q;OZi H~F ~5 <5 ;i::20 <883 tiP 1QiQ1 146 .r:;20 

<5 16 0.6 11 3.26 <2 0.04 0.04 8 4.76 1377 0.08 2 <5 <5 <20 1910 <10 <0.01 121 <20 

<s Q;3 ~ct?. 14• •3:s 4 Q,P:?i: Oioa 1~ 0;37 14~< 9:p~: :ri-;:1 ··· · <5 .•. ,.?~ :~zg · . :• :.24 ~to o,o~r 64 f2Q 

<5 0.3 <0.2 9 .. 3.76 4 0.119 0.04 5 0.18 531 0.02 <1 <5 <5 <20 34 <10 0.07 109 <20 

213 
M~pn.•·•.••• ... • .. •.· ... ·• .. ·.t .. •·.ao••·":..m·•·.•.·•.·.·.· •• ·•·· •.·.·.P ..... · •. 1.e··•.•.· J .. ocation No\ '"' 

12,2 962,4 K1.1i1.1 . 

12.3 168 Kuiu 

12;3 · 169 >• Kuiu 

12.3 170 Kuiu 

Ut3 171'. Kuiu 1i:f. 172 

12;4; 173 

13.1 9628 

f3,2 178 

13.2 179 

1$;2 1ij0 

Kuiu 

Kuili 

Point Saint Albans 

Point Sainf Aibans 

13.2 9629 Point Saint Albans 

1a:.2.< > 9s3o Point s~if'lf J\lt)~ns 

13.2 9631 

13.3 17} 

Point Saint Albans 

Point Sainff\lbari$ 

14 2363 Pinta Point 

'14 23M Pinta Point 

14 2391 Pinta Point 

PC 

· ;er 

C 

s 

··Rep 

Rep 

s· 

3710· 

3711 

Kake Area ffoad $ysteirt . 

Kake Area Road System 

s 

s 

s 

s 

s 

16 3705 

8671 

3728•· 

.• Kakf,l t,r~a R,oaq §ystern 

Kake Area Road System 

Gunn.1.Jk CfE)~K 

16 

·1111 

17.2 

1?:2 

3729 Gunnuk Creek 

• 8688 G.unnuk Creek 

17.3 3730 

17'.3/·· 8689 · 

18 3700 

19Ax·. 2,~t::i 

19.1 2814 

19.2i 392 

19.2 393 

1e:2 .. as4 · 1!f2·· 395 

1~f2 39E>:; 

19.2 

19;Z 

19.2 

1R3 

19.3 

io 

20 

·20 

20 

·20.•• ..... . 

20 

20•. 

2810 

2811 

2812 

397. 

398 

~~o~ 

2804 

2805 

2806 

3673 

3674 

3675 

Gunnuk Creek 

Gunnu~Cre~i< 

Kake Area Road System KaneP~ak . . . . .. 

Kane Peak 

Kane Peak. 

Kane Peak 

Ka11~f1E=1ak• 

Kane Peak 

Kane Peak 

Kane Peak 

Kane Peak 

Kane Peak 

· Kahe Peak 

Kane Peak 

Port~ge §ijyfN • 

Portage Bay Pit 

Port139~ Baypit 

Portage Bay Pit 

Portage Baypit 

Portage Bay Pit 

Portage··a;y Pit··· 

>SS 

ss 

Rep 

. THC> 

C 

Rep 

ss 

$$/ 

ss 

ss 

G 

G 

C 

ss 

ss 

rJ~~P 

Rep 

8,ep 

Rep .. s / 

s 

0.1 

;Q.ft• 

2.4 

1\1. 

0.4 

: . 1~5 

11 

3 

2 

2 

2p. 

12 

8 

8 

Table A-1. Analytical results for samples from mines, prospects, and occurrences 

$~!11pl~ $amp!$P~s¢rf!itioh Site·• ·· .···.•. t/ :{\ Ff>.•.·•••i ). : l / 

M~~$e~,.tj4t¢rop:in-ij{r¢1;1m 

Metased float in stream 

.v~& s.ma.11• §freijm:wJhba*Pci~ecfb~grqc~ q(.~pa.f 

Panned fg seds found in old box 

rvtet~~ed M~t in stf"~i:Jri,•· 

v:ry ~mall ~g~c1m ~I .~o e?'p~s~~ b:drock ~~ fle>~t 

V~ry §m.all ~tfe~rrt W/hQ ¢xpo$ed b~clfock Qr f!paf I . 

OC Gw w/ py band at margins of dike 

ocr : . <.if1~n~ y.d PY··· · · ·· ····· ·· · · · · ···· · ··· · 

OC Qz lens w/ blebs of sl 

•··oc Qz·yri-il/~spy/py{$1)gO·• 

OC Fault zone in gw w/ qz & sulf 

oc .. ·· · Feststi~ijrzonew/qz~iu!C 

OC 

oc·• 

oc 

oc· 

oc 

TP 

TP 

RC 

QG 

oc 

TP.. 

TP 

TP··. 

TP 

•re 

TP 

RC 

Sheared gw br w/ gn 

festqi~ri?ltQ ?Qn~ WlPY; tg j1 

Gp sc & chert w/ msv & dissem sulf 

.: Gp sctslateWl~~~ni; gfpy : 

Fel sc w/ layered sulf 

. Py Cir, hatroW.al($11~~r ~Pn~·Jr•~~I <:lipnf~ 

Msv cp, py in hbl diorite M~x t>~rit~ wish, ~r ...... . Barite w/ qz, sl, trace gn 

/tAri?1<1!¢rop1tjjr~~m~!~fig~~.min9rqziflq~t 

A.r out~r~psi~ .. ~.tre~~w/ar & ch~.rt~CJat 

· Artj~tc;rqpinc;r4=.~1(.·• · 

Ar 

Fest .... · ........ ·.·.·.··• .. < ~lp<J Horr:i l:>lenpit~ yv/ J'!ll;IQ; PY 

Hornblendite outcrops in stream 

Hornt?l?ntjft~24tprQp~Jn.w~~r11•, 

Hornblendite outcrops in stream 

8dfrlpl@~il$ q4tqrpps,• iri ~tr~~rn 

Hornblendite 

H2m~1~riqi1~wt.r:>~··/., 

Hornblendite w/ po 

· ··· ·~rgnlte~me~$eaftq~fio;treijm ·· Granite & metased float in stream 

lntWlpq 

Int w/ po 

lhtW/PO 

Int w/ po 

ipiqriW wt:~ijricJ~p/.~~if i~CIQ~Jhg)pp ~ pp;.,:•·•·· 

Fg sc w/ surf in shear zone along margin of int 

l11tw(!>c4nMof msyj~μlf .. . 

214 

<5 <().1 

f~i; <ID 

2255 0.2 \<p) ................... 4"@;1 

<5 <0.1 

12 0:2 

5535 33.6 

~s a:.2 

<5 6.8 

•<•22 .·····.•·.·1$11t: 

42 16.1 

7 . ~4-7· 

20 342.2 

91 ••57 

43 0.8 ··•1a··· •• 2r1 

81 0.9 

13 1 

454 30.6 

49• :4~:1 

27 3.3 .... ... . . ~& L • · : • io. t 

7 

>7'.4. 

3271 

·••:·.·•••·":·3tf····· .. 

~ I 

<0.1 

0:2> . 

. ·.:::0:1:. 

<0.1 

..,p;:1 . 

<0.1 

0.2 

0.3 

:cJ.e 

13.9 

J,~• 

.·.,r 

16 

. ·>15 

12 

14 

16 

16 

313 

..... •···.64 

25 

<ao: · 24 

45' 

30 

,a 

143 

•<•.•249 

165 

PQ 

11.2 * 

rt•••• >::6E:i 

69 

25:: 

24 

30 

48 

{2a· 

7327 

41Q< 

300 

. ••·• H19: 

24 

·· 10 

184 

•·.••:920 

3025 

·· ?Pez 

2? 

18 

14 

6 

········11>:·•····•.·•··· 

10 

23 

~~ 

111 

: 111 

77 

100 

96 

• 130 

8409 

Mo 

•v.,3;1 

<1 

51 

3 

~.1 

<1 

<:1 

152 

12a //214 

3 

4 

62 4 

~~34 

764 

:21oe· 

8.15 * 

381 

20 

• •:••·•·44r.· 

38 

5 

8 

1;02t 

2070 

•• A2•····• 

12 

11 

1.7 * 2;4,,·.· .. · 

7343 

2279 

1.1 * 

2186 

624 

878 

489 

ta··· 

275 

:<:;2. 

4 

2 

3 

2 

52 

52 

51 

27 

1253 

3;0 *- ·• . C.;1 

2.9 * <1 

119 <1 

122 <1 

161 4 

14 167 2 

13 .2 . \ 140· 

7 

e 

7 

g 

8 

>20 

23 

4f 

4708 

41 

1.4 * 

77 

2 

2 

·<1 

<1 

5 

4 

4 

37 
M$P .. 's~mPl~ .. 

NQ\\> ... No: 

1t4 :: 9624 

12.3 168 

j2,~ ·159 

12.3 170 

1?:J••····· 171 

12.3 

12.4 

13.1 

1;,tg 

13.2 

l?:'.~ 

172 

11~•·· 

9628 

178 

179 

180 

13.2 9629 

13:2· 99~Q 

13.2 9631 

13:3 177 

14 2363 

14 2364 

14 2391 

15 C .. 3710 

15 3711 

16 .. $105 

16 8671 

izJ 312a 

17.2 3729 

. 17:.2 ··•·· 8688 

17.3 3730 

17:3··· /~f>89 

18 3700 

19.1 2813 

19.1 2814 

19.2 392 

19.2 393 

19.:2 {~~ 

19.2 395 

1.~r,2 ·•· 396 

19.2 2810 

1$.i. ···2~11 

19.2 2812 

19'3 3Q7 

19.3 398 

20 . ??,0;3 

20 2804 

20• · ···?80p 

20 2806 

·20 t/ 3673 

20 3674 

·20 ·: :3675 

12 

9 

11 

15 

3 

13 

12 

7 

9 

10 

4 

6 

278 

427 

261 

23 

37 

3 

3 

23 

24 

91 

48 

34 

16 

111 

177 

42 

214 

316 

275 

259 

6 

47 

35 

24 

15 

27·· 

9 

24 

23 

35: 

30 

'74 

m 

31 

23 

22 

13 

21 

13 

18. 

9 

7 

2 

6 

4 

7 

3 

5 

21 

13 

24 

128 

35 

1 

1 

12 

13 

18 

16 

14 

44 

67 

68 

39 

33 

80 

43 

47 

32 

59 

41 

7 

6 

16 · 

16 

13 

17 

53 

51 

89 

% 

··•1:9 

2.3 <5 

;2,2 .. •· . ,;:5· 

1.7 <5 

1.5 

1.6 <5 

2;1 "<5 

0.6 1.55% 

0.3 70 

0.2 357 

0.8 1;46'1⁄4, 

0.2 7432 

Q:5 5.53% 

0.4 1.37% 

0.4 2.1_7% 

1.8 226 

0,§ 287 

1.2 279 

0.2 <:5 

1.1 <5 

0:1 16 

0.1 10 

1.5 9 

1.6 

1.8 

2 9 

1;7 11 

0.8 412 

0.2 <5 

0.2 6 

3 . •.:5 

0.5 <5 

1 5 

0.3 <5 

b,13 ~5 

2.3 <5 

2.2· . .::5 

2.5 <5 

0.6 7 

1.1 <5 

1i4 il7 

0.8 13 

1:t3 

0.9 

o.t 17 

0.5 9762 

0.7 38 

281 

: 448 

2444,. 

1401 

61 * 

<{10:r 

<5 

<5 

<5 

<5 

Table A-1. Analytical results for samples from mines, prospects, and occurrences 

Ee· J1@•: · % · ttr · 1

~ > :1 3⁄4 • 

EtS1 Q.1~7• O;p4 . . ().()9 

5.64 0.195 0.05 <1 <5 <20 <10 0.11 <20 

·· <0!2 \§;Oe, ·•. o.217. 0:05 · <1 . ,<s( ?<20 /~to<· Cl.09 · <20 

<0.2 285 3.4 4 0.154 0.1 0.38 758 0.07 5 <5 <5 <20 27 <10 0.09 <20 

0:3 ·14 4,~3· · ·•s Oit1Z .. 0.07 .:Qf~9 .· 39§~ 0;03 -:::1· · .. <5 >~5 ~20··• 97 ii:::10 . Q:0$ :c:;;i!Q : 

<5 0.3 17 4.45 5 0.64 0.1 0.63 891 0.02 <1 <5 7 <20 55 <10 0.05 79 <20 

~& o:8 11 •· , s 4 osio~ ::Ctos : fO~ 1s9fF o:os j<:;1 :: <;5 1 ·<20 · 11a ~1<r oj>s< 1a <20 

17 1.3 95.1 65 7.09 3 0.81 0.33 0.29 1815 0.03 <1 69 <5 <20 35 <10 <0.01 4 <20 

<5 3;1 1A ij1 3.65 1Z p;p~9 Q,lp 81<: Q,~~ : 477 Q;0.4 F1 '61 .;:5 520. /ij2 ~1o•<q.9., 14 i2Q .. 

<5 2.6 123.1 137 2.11 <2 1.655 0.07 1 0.59 561 0.02 <1 30 <5 <20 51 10 <0.01 17 <20 

~s 1A · 111..1 : es c4:o9 · 2 i;.11:. o.Qa <1 r o.;r · 14P7 Ju1.~ /1 o'44% •.5o · -:::20 ,: :22a ·· 14:.::0;01 ~9. 20 

350 * <5 4.7 32.6 64 4.64 <2 1.01 0.13 3 1.14 1780 0.03 <1 398 <5 <20 159 <10 <0.01 5 <20 

111'" <5 4.s 50;2 64.1:.aa· ·····2 (t2s2 (K1s•··:3 ,1,a.: f1s9•?0:oa· 5T. 21s -·•·:v <2Q 1ao; f10,~qA:>1 · 24>..;20 

106 * <5 4.8 123.4 60 4.67 <2 2.249 0.18 2 1.18 1275 0.03 <1 530 <5 <20 144 <10 <0.01 9 <20 

119_w; <s s 0:4 as· 4J~3 · <2 ro,~pij o,ta <1 1:os 143Pi o;o~ ~1 254 ~s <::20 17~ <19 ~p,01 >9 -;20 

952,. <5 5.3 3.9 132 20.07 <2 (>.°33 0.14 3 1.69 1019 0.01 5 12 9 <20 91 <10 0.01 150 <20 

746 ~' <=5 4.9 5A 77:17:41 <2 f~J~$ '.j!J1i 2 oAt jp1 ~Q(()f 1 27 L~5 ~?Cl>. 151 -<:1Q: kb:Qf 78 $?.O. : 

1201 * <5 1.7 2 83 24.87 <2 1.868 0.17 3 1.05 466 0.01 <1 7 <5 <20 11 <10 <0.01 90 <20 

45 .. <5 M4 · OA 56 ·40.;54 ii / _Q;Q1 .51 o.o~ 2e i<Q.Of ~1- <5 ><5. ,::20< <1.2 f10 ~Q,0.1 7 <20 

565 * 20 0.3 4.1 107 1i.~1 <2 0.06 <1 0.61 246 0.01 <1 <5 <5 <20 28 12 0.19 98 <20 

.ia:~~71% .. , • : <5 0:4 •1Jf?.5 9 QJ>Q> &i\ ·, 9-00 }C#{i o:1a 200 <0;01 ;n ?tt :::::<s ;;:20:> 109.i lZ<<;.0.01 2 · 21 

46.12% * 

1010 ~ 

953 * 

283 

993 * 

987 r • 

1051 * · 

1O~ 

<5 0.1 188.6 1s o.54 5 1.329 o.o3 <1 0.28 389 <0.01 <1 <5 <5. <20 192 12 <0.01 2 26 

'.95 OA 0;2 2a 3.45 a . 0}12 • a o.67 115_3 Q;Q2 51 <s -<5 ~20 ?& <to o.os: so · <20 

<5 0.4 0.2 28 3.31 3 0.11 8 0.69 1696 0.01 <1 <5 <5 <20 19 <10 0.05 48 <20 

<5 OA Q.8 5T ;iJ~~ 3 cfpf!~ 0:12 8: Q,9~ 21J32 < 0:01 : .c:1 : :S5 <5 <20 18 >,;to : 0.03: 56 <2Q . 

<5 0.8 0.5 45 4.11 3 0.2 9 1.16 1713 0.02 <1 <5 <5 <20 42 <10 0.09 59 <20 

t.;5 . ci:4 o:3 35 : :~117 ya.: o.qai P~l~ ?8 0/11 gq9Qr 0:02 <1< < ~s.: , ~s -,:20 2.2 <1o o.o4 s2 ,i;:ip 

33 0.1 196.1 52 25.41 4 0.05 <1 0.35 496 0.01 <1 6 <5 <20 8 43 <0.01 16 47 

c::s a.s ·· so,2 21a ·· g.~t ~2 p:p,~ q~o3 ~1: 2J)2 1$4 0~02 it·· >$5 s$ <20 < 12 -:;to > 0:01 14 ~20 

14 * <5 0.7 <0.2 390 4.4 <2 0.028 0.02 <1 6.74 486 0.02 2 <5 6 <20 19 <10 0.01 25 <20 

458 * -:-5 3.3 .(:t3 1.32 .~.{§ · 112 ' t:);og~ \1.18 '.<.1 2.71 7$7<. 0.48 31 ·. > .<5 . 2d. :~20 ?13 ~10 . 056 29:7 <20 

222 * <5 0.2 <0.2 102 3.25 <2 <0.01 0.04 4 3.97 696 <0.01 <1 <5 <5 <20 26 <10 0.04 46 <20 

A3at <5 0,3, ~0;2 1~1 ij}}§: ;;:'?;g to.o® 0;12- a 4_s2 ?1.$gno:9~I 1: /.~$ ::59 ~20 a2 ~:1<1 0.06 $Q 'f20 

161 * <5 0.1 <0.2 77 3.99 <2 <0.01 0.07 2 6.63 . 53~ <0.01 1 <5 <5 ~20 . 5 <10 0.03 55 <20 

349: t ;,;5 0.2 ~(l.2 :~5 4,,24 ;: ~2 O.Q.?a Oc2~) • a\ 6.04 pf3ij 9.:0~ :1⁄21 : :;..5 ~p; f'.?.Q 9 .;10 oSoz 60. <20 

266 * <5 4.2 0.3 13 8.73 6 0.02 0.76 <1 2.18 648 0.41 36 <5 16 <20 276 <10 0.05 340 <20 

~2~.. <5 2.8<. o.a : 70 8.45 c: <;2i 9;0$§ 0.12 -<.f .. f;~ 63§ J>:$7 :22 :-;5>: ta #~Pi 181 ~10 : o.ra ?19.: <20 

390 * <5 3.2 0.2 56 7.43 <2 0.044 0.87 <1 2.21 723 0.37 23 <5 14 <20 194 <10 0.11 225 <20 

51~_*:·: <5 Q.;J:i• :·. $0I2 24'' •·••iJ~~ . <2 .:[5Q~QJ fQ,pJ·• a <g;74 .. <254 : 1.Q:07\ <i :< ~§}· $9/ ~20 30 ~10 ;_O;Q? 58 >-;2(j 

582 * <5 0.6 <0.2 22 2.18 2 0.033 0.17 4 0.78 319 0.13 <1 <5 <5 <20 42 <10 0.09 40 <20 

P2fl". <~5 1;2, i9i9 .$f ~;$JC· 'f2. Q;.QZQ.L _0'.Hf 9: :O;ge ~.§g Off ;1' . $Ji -i5} ~4f 1§P ~Hr 0'.14. 46 6.~. 

1089 * <5 1.5 0.2 40 1.85 <2 0.026 0.28 10 0.17 209. 0.09 <1 <5 <5 <4 * 125 <10 0.12 34 <4 * 

627:f ;c:5 J:>'.ij• <0.'.2 •64<2;85 ~2t·o;Q2.:'? (0:?4 s ?Q'.$ liia9:.9;q~ · 1: f:{9\i<$i s4•·· 79 ~1Q ,QJf3 4P 

836 * <5 1.1 <0.2 44 2.16 <2. 0.016 0.23 10 0.19 147 0.1 1 <5 <5 <:4 * 115 <10 0.15 34 

98 t .<5 •· t;Z t~Q:2 < 74 \:~tQ t2 •.o,.Q$$ Q:Qf' .. 7 0:14 245·: ti:64• '121 >· ~6> ~ij : 7.t . BO ~16 >().J1 21 

203 * <5 0.8 173 77 >10 <2 0.82 0.18 <1 . 0.26 469 <0.01 1 10 <5 11 * 15 <10 0.04 11 <4 * 

253 ~ < . .i::5 P:9 1Q;2 44 : ?10 4? (t0~$ Q.,?4 : i•J~ Q{1~ 1e.1 Q.03 /2 {~~ r ~q • . 13J . "7'0 .;do OiQ$ iP ~4 t 

215 

. 55.•: 2 

11 12 

24 17 

;34\ 1~· 

22 17 

:..11:· ·1a 

<5 <1 

<5 4 

. 1p/ "13 

15 16 
20 3678 

20· · ·3679 

20 3680 

i?O 368·1 

20 3682 

~1/1 415 

21.1 416 

Z1fl 417. 

21.1 2832 

2ti ·· 2a3s 

21.2 3677 

2f2 ,. 3684 

21.2 3685 

21:2· 3El8e 

21.2 3687 

:?f2 /3806 

21.2 · 3807 

41;?) ;:3~08 

21.2 3809 

2L2 3810 

21.2 3811 

?f!gT· · · aa12 

21.2 3813 

:nz ··•·3814 

21.2 3815 

21:2· 8p59 

21.2 8709 

:.~J\4/ \/871() 

21.3 104 

21.3 105 

21.3 106 

21/3 107 

21.3 108 

21:3 266 

21.3 267 

21:3·· 2ij8 

21.3 413 

~1:~i 414 

21.3 2809 

2t3' 2831 

21.3 3665 

21;3· <3666 

21.3 3667 

~r~cv 3714 •···• 21.3 3715 

:~1 '.~: : , •. ~71.$> 

21.3 3717 

Portage Bay Pit 

Portage Bayp it 

Portage Bay Pit 

Portage .. !3~yfit 

Portage Bay Pit 

Nortni;,ril popper 

Northern Copper 

Norttlern Copp~r 

Northern Copper 

NprthernQ9pper 

Northern Copper 

Northern Cqpper 

Northern Copper 

Northern Cgpper 

Northern Copper 

North~m ¢opp~r 

Northern Copper 

Northern Coppe,r 

Northern Copper 

>Northern Copper 

Northern Copper 

Northern .. Copper 

Northern Copper 

t\lorf;hE:}.rll C,opp¢r 

Northern Copper 

NortherrrCoppef · 

Northern Copper 

.···Northern Copp~r 

Northern Copper 

Northern C9pper 

Northern Copper 

Northern Qppper 

Northern Copper 

Northern gopper 

Northern Copper 

Northern C6pper 

Northern Copper 

. Northern Copper 

Northern Copper 

·Northern Copper 

Northern Copper 

•. Northern Copper 

Northern Copper 

NPrthe,,n Coppir 

Northern Copper 

N9rtti~rn Copper 

Northern Copper 

Table A-1. Analytical results for samples from mines, prospects, and occurrences 

s 

>s··· 

s 

s 

cc 

R~P: 

C 

C 

It•······· 

C 

C 

C 

.·.·.···~ C 

··.s, 

SC 

. ·•·••RE:3P ..... 

Rep 

T@~p 

Rep 

s. 

SC ·.·····•·~·· 

Rep .,,c0.75 

0.2:s··•··· 

3 

5 

0.5 

0.8 

1.3 

4.8. 

2.2 

1:5 

0.6 

Diorite? w/ seam of mo & dissem po & cp 

Fij!Ji(goμg~ iQ glprit~ ····· · · · · TP Int w/ suit-bearing seams 

:rp .. ·.·, ?1iitw/eqnc~ofrqiig:§il!(ini,fiqn~; 

TP Cale-silicate w/ minor sulf 

tJW M$.V cp; py(pp 

UW fv1f,\I sulf i~ ~.s. . ·•• .. QC · $μlfp~rigwtpy,pq/pp 

UW Sulf band w/ py, po, cp 

·· · · ww · · ·· ·• Gs wfpy. po; qp ··· MD Msv sulf w/ po & cp w/ minor andesite 

uw. Ghl §pyv/mihor py\ 

UW Msv sulf layer in chi sc 

.. ·.·UW ... [\,1{)y~LJlf l~Y~f:'«/ intertay~t~,C:~hl:~q 

UW Sil zone w/ sulf veinlets 

uw •·•M$v pq; ~pin gtj_l~q· 

UW Chi sc in hanging wall of msv sulf layer 

. uw Msv po wl cp IQ GM sc( 

UW Msv po w/ cp in chi sc 

uw 

uw 

<l.J\N 

uw 

uw 

uw 

ow· 

TP 

$ifprjy1Jife ..... 

Msv po w/ cp in chi sc 

: ¢hl~P WI mlhofsulf 

Chi sc & gs w/ patchy msv po, cp 

·§ii p1iyum~ V1dtiHnpf$1J1f · · ·· ·.· ········ Msv gs w/ minor sulf 

· M~Vs41J pf P9 ~.J~$!:i~t~P 

Fault zone w/ msv py, po 

(3~ w{py)pq/friii§f¢t>. i·••' 

0:5 MD 

Fest gs y,,fpy, cp 

~syp0 i.P.Y,9P 

20@ 1.0 TP 

MD 

3 MD 

,2'.&. .... ·. TP 

2.2 TP 

MD 

3@0.25 TP :oA ........ RC 

1.8 oc 

i·· TP 

RC 

oc 

oc 

Gs w/ sulf zones of cp, py, po 

· .· .Ca!g gfw/pa@~A bi~~~g-f P9:.gp, ~,, 

Gs w/ sl, cp, po, PY · · · · 

Ait $'.if!a:r•wt~i$serri $tilf·t 

Gs w/ dissem & sulf 

We,~tv~r~q 9§ w, cp 

Sil andesite w/ cp, po,ml 

Alf~r w(fuibp(¢p irj/silZbries.·• / 

Msv sulf w/ po &cp 

G 

rs 

s 

·c 

C 

. ···•· 1~8 . TP @ygf:gf fu~Y:~μtfifrgi , 

:c 

C 5 

TP 

>re· 

TP 

Sil gs w/ sl, cp, PY 

~~ wlpp, rfi~g( . Msv sulf & skarn in gs sc 

216 

<5 

~89 

332 

:440 

144 

1.52 

24 

<:5 

10 

>~5 

28 

~5 

16 

<5 

a 

18 

. ··e 

28 

?~f 

<5 

··•57· 

11 •. ••<• 7/' 

12 

1$ 

9 

0.6 

•···,,,•<p;3••· 

2 

·•:o;,f 

0.3 

···: $.i.Ci 

23 ii,,· :<1s:1 

11 

·.::1s:t• 

8.2 

Ato,1r·· 

10.5 

o:i 

9.9 

. 'Q:.2 

<0.1 

6:2 

0.4 

:1 

2.6 ..... :;7;1 

6 

8:5 . 

1.4 

~.7) 

3.1 * 

4,§ '\ 

2.2 * 

11~ 

3.1 * 

1.0' 

860 

2.sti 

·1'11 

2.0 * 

310 

2.0 * 

440 

88 

1.9/· 

2764 

~~ta 

8111 

1.71'. 

5657 

1.:z~; · 1717 

1:r 

9 

12 

17 

t1 

15 

•·· 17 

12 

)7. 

3 

<~2: 

9 

·•"3 

7 

3 

<2 

13 

12 

··\•tt,•·· 

13 

10 . 

12 

14 

42 

32c6 ·· ~A:tr/ • :: : 39. 

4.4 9087 12 

Etf••·: . 1.4!F. \Jg > 

3.3 4028 6 

il:srr• :•••:·:d~tat:•;·•• ' >a••• 

2.2 5342 10 

1427 

639 

217 

1g3. 

268 

. /~~t 

1156 

.. i.369 

1630 

647 

1196 

483> 

90 

: 13.02 

200 

58.4• .. 

118 

····· 341 

191 

661 

1.2 * 

299 

379 

837 

2.4 * 

1,2 ... ·· 

147 

56 

T 

5 

4 

5 

<1 

2 

3 

3 

~;1 

2 

22 

7 

3: 

14 

/~3 

2 

2 

<1 

. > 2 

<1 

<1 

<1 

<1 

2 

2 

5 

~1: 

2 
20 3678 

'20 :3§7~ 

20 3680 

2() .. -.•.. : 3~&1 

20 3682 

21'1 415 

21.1 416 

g1;F. 417 

21.1 2832 

21:f .. ??33 

21:2· 

?,,g· 

21.2 

?1-fi 

21.2 

2t2 

3677 

~6~4••·· 

3685 

3686" 

3687 

38QEF :·· 

Table A-1. Analytical results for samples from mines, prospects, and occurrences 

17 27 0.6 5 485 * <5 1.1 0.3 57 0.2 9 0.12 183 0.08 1 <5 <5 <4 * 101 <10 0.13 32 <4 * 

28 17· ··: 2 15 624 ;r_ <5 ts S0.i2 61 <2 O,~f < 6 · 1,34 84!'> Q,QE}f 1 i ~5 t ~q <4 t 191 .;;1Q Q.13 ti0 > <4. 11 

36 58 1.3 5 19 * <5 3.3 57.5 117 >10 <2 0.02 7 0.21 1789 0.02 1 <5 <5 5 * 225 <10 0.12 35 <4 * 

65' 44 1.1 <5 447* <5 · o:e · · .::0;2 67 a:e ::<:2 021 A> mst 293 0-:1 <1 <:5 <5 ; <4 ~ > · 3s' . §10 0;1 s 42 < <4 .,, - 1365 33 0.4 15 <10 * <5 0.5 <0.2 537 2.1 <2 0.03T <0.01 <1 1.3 222 <0.01 <1 <5 <5 <4 * -2 <10 <0.01 5 <4 * 

26 42l:, 1;2 <.5 201 t ::s :l JH:f .. \~2 ~Q:0S:. ' ? Q;167 ·o.o7 .. :-::;f. 0.71 eat O:Of <1 <;$ ><5{ ~2(f :1e ~1tr 0.03 48 : <~0 

38 281 2.3 <5 700 * 16 0.6 6 3 21.01 3 0.053 0.22 <1 1.52 1052 0.02 <1 <5 <5 <20 8 <10 0.07 56 <20 

70 · 562 0.9 18 .. 238!". . >t7 0.1 ·· . 6.5 -38 21.94 2 0;052 0;04 <1 @:§;f : 27.Q (),Q1 <ti t : ~5 $5 :<~0 ( 6 <10 0;02 20 ~20 

32 139 1.3 <5 486 * 14 0.7 3.2 19 18.22 <2 0 0.12 <1 0.92 793 0.08 <1 <5 <5 <20 18 <10 0.08 45 <20 

35 145 0.9 ~s :: t{5"" 20 1.7 5;6 $1 20:7 <!t2 0,061 9,QJ i11 (f$9 ·~~i P-Q? ff 4? #:5 <20.< < 29 :~10 0:04 33 ~?P 

21 157 0.6 <5 119 * <5 0.4 3 20 >10 <2 0.031 0.07 <1 0.39 454 0.03 <1 <5 <5 <20 6 <10 0.02 14 <20 

48 26 2.9 <;5 Ato1t ~s rn ~0.2:>as· s:14 ~2<Q,P9~ p,:3$ >1+2,2s:i/1.PQ~ ofp$\'1 -.;s <s· $20: •ii?§ ~to 0.01 -·•.90··<20 

20 108 0.8 <5 237.. <5 0.7 4.9 29 >10 <2 0.149 . 0.13 <1 0.56 516 0.03 <1 <5 <5 <20 8 <10 0.02 25 <20 

20 147 1 :c::5 263 ~ <5 1A <Ls ~Z> ~10 ~2 1/7'72 bJf 2 0;14 JP1t5 p.p4 <;;1 /. ;c;.5 is5! '.i:20 f .. . 15 :,.;10 QJl3 34: ..;;20 : 

13 39 2.9 <5 273.. <5 1.5 <0.2 19 >10 5 0.275 0.04 27 2.34 658 0.06 2 <5 7 <20 25 <10 0.04 94 <20 

18 Hi6 0,8 ,;5 PA 3,6 -· _g3 }/?10. ; ~2 · t:3tl Q.Qi >. 2 0'.62 585 0.Q~ L ~1 :c:5 ; ${>. \ ~5 >:4' .14 <.q.02 28 ~20 ~ 

21.2 3807 50 32 3 <5 986 <5 0.3 0.7 88 6.26 5 4.63 0.22 6 2.46 1082 0.03 <1 <5 <5 157 8 11 0.06 89 <20 * 

~f~ 3808 <23 117 o.a <5 ;ifi9 · 55 Q.5 4.:a . 18 >10 ~2 0;013 .QA? ···~·• ! o!~ 647 o.03 1$1 · ..:5/ ~s 52 >$ 14 o.o3 > 37 <20} 

21.2 3809 32 97 1.6 <5 447 <5 0.8 5.6 37 >10 <2 0.87 0.17 2 1.26 756 0.04 <1 <5 <5 22 8 14 0.04 65 <20 * 

2112 : ~ij10 63 7 1.3 ~5 5084 ~5 1'.1 2 •187 f::~\ <2: j~/tg }();32 3 1:02 669 0.04 51 . t,;;5 (~5 ?5iQ 40 .~10 ([09 213 ~20A . 

21.2 3811 40 206 1.3 <5 731 <5 .0.7 7.3 34 >10 <2 0.5 0.27 2 0.98 625 0.06 <1 <5 <5 58 6 20 0.06 62 <20 * 

?1:? 3.812 36 27 3,3} <-5 1075 <5 0.5 t9 67 El.,~~ ·5 :2:w.: P:i P: Z-~> '1;181 Q(04i ~1{ /,;;g 50 180 12 <10 0;01 104 :~?Of:<: : 

21.2 3813 47 272 2.1 <5 319 <5 0.3 6.3 90 >10 2 7.86. 0.1 2 1.59 677 0.05 <1 <5 5 11 5 13 0.05 171 <20 .. 

~}.2' 3814 2.9 4 1 <5 2420 · · <;5 0:3 2,2 169 E3;39 2 t17 ip;:21 5 Q,74 ·>· ~e:;r 0.03 ~1 $ij -s5 13$ 13 <10 CQ'.Q9: 292 <20 ~ 

21.2 3815 15 8 1 <5 495 <5 1 <0.2 53 6.84 <2 1.03 0.08 1 0.8 693 0.08 <1 <5 <5 291 21 <10 0.19 51 <20 .. 

21.2 8659 · / >t1. 139 0.4 <s 295 * <5 Q:l4 ta · 1.4 ~10 ~2 2:387 o.os · :.:;1 > o:at T337 0:02 • 2T ; · >'f-~ $5 <20: 3 ~1 o: n a.or 14 c::20 

21.2 8709 24 111 0.8 <5 162 <5 0.3 2.6 25 >10 <2 0.663 0.04 1 0.6 418 0.04 <1 <5 <5 23 3 <10 0.02 24 <20 * 

:21;2 azdo 9 54 OJ . ~5 510 <5 4.j 3.9 68 :i;1Q) 5:~ 9'.?§1 ~P:9.t \:c:1 P/11 ij~ij ~0:01 ,s.f ... • ... <:$ {<5 : 10 .. :? ~to ~P,Pt 7 .<i2.0 ~ 

21.3 104 13 44 0.1 <5 1518.. <5 0.1 0.6 172 44.97 <2 0.019 <0.01 <1 0.02 117 <0.01 <1 <5 <5 <20 <1 <10 <0.01 3 <20 

iia:· · 105 11 55 0,1 · -::5 <10.. <5.:0,01 2;1 ::aa 4p;~e <~2 0.029 <0.01 2 o:oa t1~ <a.bi <=t:.< · <5/ · <5 <20. ><1 :~lP :"Fq.01 4 <2Q 

21.3 106 3 5 0.2 <s 58.. <5 0.1 1.3 42 24.74 <2 <o.01·:.:0.01 · 2 0.08 1581 <0.01 <1 <5 <5 <20 4 <10 0.01 8 <20 

i41if 

21.3 

21:3 

21.3 

101 c:1 11 Wt;: · c:s 699t $5 1.1 3,7 · .27 Jta4 :tfi ·:::P~Pt QJ)1 2 Q;Q? n i1?Qi< 9,Qf: {it ::w::<~s ::: ~5 :=::20 4 519 <:<Mn; ~: 5201 · 108 7 9 0.5 <5 549 * <5 3.3 56.6 33 6.35 <2 0.048 0.02 5 0.36 3005 0.03 <1 <5 <5 <20 55 <10 0.03 13 <20 

26EF 5 13 0.3 8 . 29 0; <'5 3.5 34: 1 86 C ~:33 ?~2 Q.014 ; 0.03 · 1 0!11 3~$0 ·\p))a i::f -;5 <:5 <20< 2~ . ~1Q > 0:01· 6 ~20 

267 4 97 0.2 <5 49" <5 2.2 1.1 50 26.19 <2 <0.01 <0.01 7 0.1 1966 0.02 <1 <5 <5 <20 11 <10 0.03 8 <20 

,.;.;.,,;;·•:,;••···· ... ;..,..• 9 169 (};1 <5 C:<:10 ~ c:5 0.4 .{L7 /36 ~~.§8 SS2 . $0,01 ~0.01 51 om \481 !6:01 Tj,;1 ~5 ~5 . -c:20 . 2 ;119 $0'.Qj .°"1 <20 

21.3 

?1\3. 

413 

414 

21.3 2809 :ft) . 2831 · 

21.3 3665 

?1\3 .: 3666 

21.3 3667 

g1<3.Y 3714 

21.3 3715 

~1;a:· ·· ~r1a 

21.3 3717 

6 

45 

5 

7 

34 

·;12 · 

7 

4 

10 

7 0.5 

0.3 

8 1 

.0.6 

0.3 

160 0.5 

112 0.4 

68 .. 0.6 .. 

8 0.2 

7 OA 

42 0.3 

<5 36 * <5 1.3 0.4 50 6.82 <2 0.012 0.01 <1 0.19 1412 0.03 1 <5 <5 <20 26 <10 0.1 23 <20 

a ~19t ;: f~; ~.~ , 9::4 ~Q 4~;~9 3 1QJ~1..::9.,01•· 11 mo2 iaea. i.<:o;o.r }ft :5$/ 5§ 5?0 > 4 : <to ~0.01 s .::20 

<5 168 .. <5 0.4 <0.2 134 3.12 <2 <0.01 0.03 3 0.73 528 0.08 3 <5 <5 <20 8 <10 0.06 248 <20 

<.5 aata "." • <5 9;4 <Aa 1a 2ij:64 2 0:042.: ·o.r ~.t 0.2 1ssz /Qtoa <1 t:s§ T i:=:p <20: :;. a 'S1Q iQ'.0$ 2s <20 

8 22 * <5 7.7 <0.2 52 >10 <2 0.01 0.01 <1 0.04 2075 <0.01 <1 <5 <5 <20 3 <10 <0.01 5 <20 

11 1ao9 "; <S o.3 <o.~ 104 ?tQ · ,.,2 oMi (t37 1 :~1 ... ,0;;29 ~:t§: QJ>~> · 2: · .-5§: ::<5 ~20 4 ~10· ·ow so ~20 : 

<5 16 * <5 0.2 <0.2 15 >10 <2 0.013 · 0.06 :.:1 a.a 2a2 0.01 <1 <5 <5 <20 3 <10 <0.01 5 <20 

15 ::>)t§ 7 a O.?\ B. ;\2.?:4p.ijt.• 2> :i;o:01 ;;.::j Q'.2~t 459?<0:0t ~fi ;:;s• i:i:P \1?P 10 j;io o_oa 23 ..::20 

<5 509 * <5 2.6 107.2 168 5.19 <2 <0.01 <1 0.04 2096 0.01 <1 <5 <5 <20 11 11 0.03 8 22 

f5 .. 887 r· : ,c;5 Oil: (50.8 ~@\ ~-§i: 1? \ ·0:04 ~1 Q;~~ : Jq~L ().()~ ~tr > ~5 . :<:,;;5 *2() > ;; dp 510 Oi0$ 22. <2(} 

<5 20 * <5 1.3 33 38.92 <2 <0.01 <1 0.09 462 0.02 <1 <5 <5 <20 11 <10 0.03 13 <20 

217 
MJP ~c:1rfipl~ Location 

Ni:#} <·Nof 

2iz: sz2sr 

21.3 3724 

21\3 3726 

21.3 3726 

.?t~< 3727 

21.3 8657 

2r:r M50 

21.3 8676 

ar~ ~e11 

21.3 8681 

21:.a ·aeai 

21.3 8683 

?:1.3 . 8684 

21.3 8685 

·21.;} Qf:>86 

21.3 8687 

2~.l · ... t1.1 

22.1 112 

22/1. 113 

22.r· 210 

221.1 H :271 

;.}'.Jorthern qqppef 

Northern Copper 

Northern Coppeir 

Northern Copper 

Ncirtti1arn Copper . 

Northern Copper 

Nortp¢rn copper. 

Northern Copper 

North~rn Qqpp~r 

Northern Copper 

Northern popper •• 

Northern Copper 

Nqrthern Copper 

Northern Copper 

Northern Copp¢r · 

Northern Copper 

. Tower$ .CrEle~ . 

Towers Creek 

Towers Creek 

Towers Creek 

Towers Cre.ek 

22.1 272 Towers Creek 

22:2· .2~f; TowersCre.ek: ·· 

22.2 9558 Towers Creek 

22f3C . 2346 Towers Creek 

22.3 2347 

i2.a · ~~$~ : 

23.1 109 

~a.1 .no 

23.1 269 

2a.1· >21s 

23.1 280 

iaJ: :SlS :: 

Towers Creek 

Tqwer$ ¢reek/ ··••• 

Salt Chuck 

Salt Chuck 

Salt Chuck 

Salt Chuck 

Salt Chuck 

':$alt Chu~k 

23.2 114 Salt Chuck 

;?~;g· : 1J5 :· SaltChuck 

23.2 

23,2 

24.1 

z4:}· 

24.1 

~4;1 

273 Salt Chuck 

9647 Salt Chuck 

60 Portage Creek 

. 61 . pq~g~·Qr~~I(< 

62 Portage Creek 

>t~~ Portage Oreek 

24.1 139 Portage Creek 

2401 \ 140 Portclge Cr~ek 

24.1 141 Portage Creek 

24'.f · · 2:3~Z • • : -Portage cm~~ · · 24.1 2368 Portage Creek 

~4;t 2389 · f:lortag~ pf~~k 

Table A-1. Analytical results for samples from mines, prospects, and occurrences 

l?atnpl~ Sflryple • §-,mP!~§~mp1~.pij~2r,pttpn > r {ff\ T · · Size ft s,1e·······-·-·--·-·-·-·- w ·••• • ••••••• • 

. iC >SA /OW •· §il.gs:.wJpo~eftjrjgfqp:: · SC 5.0@0.5 UW Sil~~ w}p'2, 

· ct 1.2 •- TP M$VSYifl~nilfrgflllpj ·· C 2.6 TP Skarn mineralization in gs 

: ·> c a.3 rn : <tSWtskfiirn @n~~1~ijtiodl minqrqp) · SC 6@0.5 oc Da~kgr~x~r. .. : : 

H\ ij(;)p · 4 · QC Atkf~~t 99$$l;lhY!:>( 

Rep 2.5 TP lndurated, fest gs w/ irregular seams of po, trace cp 

ij~j) 1: ... tp Gie~M~~w/if~~g~!e!i~@~m~~p99$9fpq~:gp ) 

C 6.5 TP Gs 

c.; 5J: TEL · ($~ wt pg.rijqi.~tjrjg ~9μtj9!jl~}mijgf9~rn~tV1;:pi~pt~ .. C TP Gs w/ irregular seams & knots of py, mag, lesser cp > C 1!5 . TP Riiiv(pp}fuag/cp -... ..... .... .. .. -..... 

C 2 TP Ve2' Vv~athered m~v.~~lf J13~s 

··. C .. ' 3:4 ·• ·•·• •·• TB : •··.•- $ii Q$.W/POi [n~g{l~$$(:)fCP i 

c TP ~ii gs 111/ ~?· l~~~~r 8P'.l~cally skarnifi~d 

C 0:9· ·oc•····• • Festsq:wtfgpy,po;~p · ... 

C 4.5 QC Fest sc w/ fg py, po, cp 

.•·o:e oc>. <: Sulfb~hdofmsvfgpyiwl~pars~pp 

Rl:!p . 2.1 QC Gs w/ dissem sulf .. 

fl~P< ·. 1:'t. · ace •:•. G~~wf:f!iss~ro)su1r1• : ·•·· 

Rep 

C 

C 

·c 

C 

•;c 

Rep 

c< 

s 

G 

1.1 

1-:i 

1.2 

0.5 

QC Gs 

gs py,po, cp 

Fest.$!19~ iJ/ipy, ppf pp? 

Sil gs w/ cp 

F~~t ~g. 9pe3rf'i//ipy, ¢p 

Sil, fest zone w/ cp 

$Jl~h9§~!!¢ wt g~ &pf :·•.·•.r Sil gs sc w/ fg PY ······· ·· · · · 

Q?; YrlWlPPA $( !Q qijpqi §t gl~p~ // 

0.5 RC Qz vn 

g::01;; ··· .:. oo Qi vn wrr:1y; $Dn §Q 

RC Hbl-rich int w/ PY & cp 

••••••RC :·i::!: 1H~IRf!pfi/nt:~/py•~¢P••·::. 

RC Hbl-rich int w/ PY & cp 

15@1.Q QG •·•·H.om~l~°'~itef'-V/pp(pyt ' .. 15@ 1.0 OC Hornblendite w/ cp, py 

1§@•.im••···pq···•••·•·• •• 8pfoblqnpif~»!f:jμ.1f:/··• < ... 

2.5 QC Hornblendite w/ py, cp 

•Cu•' · · t: • 'Pb Zn.? .· * ·· Mo: 

<5 <0.1 1~ .. 11~ 

7 0.7 

15•• L:j<$: 

6 0.1 

· 10 n > L{tbif.f 

<5 0.5 

:::: <,:;5 •. . ~1~) . 

<5 <0.1 

{-5p F lc<QJ> . <5 

Ai• 

10 

'·•,.: .•. ::•,•·.•··:'·($ 

<5 

>16 

9 

ij 

8 

·:11• 

1.1 

••·••1ma 

4.4 

1;9:• 

1.1 

0:t· 

<0.1 

.•• JO.i1 

m 

·2913·: 

376 

2709 

1407 

· :.:.117~ 

540 

·.··117~ 

3337 

/•··>>1.0 t 

37 

:23 ........• 

1838 

1.:tr 

8843 

\}313.3() 

947 

§6p 

175 

•. (192· 

250 

·•··ia1:1r:••·· 

14 

5 

···. §$~? 

2028 

209 

7843 

·····.·.43 

8 206 

··2e::.:3a9 

6 84 

:::.:: •·6· 224 

5 160 

5 4170· 

6 6500 

···• 4 r :·1043 

13 818 

9 ; 121 

6 83 

••r:e. 98 

7 77 

.·•· ••+:3.1 ·:·····•: .. ·:3:4:.> t;l:Sf § 

41 3.4 3.0 * 8 

•> >i2s · · r 9JC ·•·•tssoo::· rt 

128 4.3 1.4 * 8 73 

>ea :?:~ r H 1:.1Ji A .• :., s3 

59 0,3 30 21 78 

< a · .a •o.a t ·•• 2f34.j / so .:599a 

m 

~1 

<1 

$.1 

<1 

~1. 

28 

5 

<1 

~1 

<1 

. . : . <:1 

<1 

:·•>'.'t 

<1 

·a 

6 

}4 

4 

64 2.2 1775 200 3160 <1 

Yi¢5 <LS•+ 55 . 57 213 f. . <1 

<5 <0,1 233 10 92 2 

· ··· ..... ~5: r :r ::§o:r : •:2ij2\·· < \9t:i•·· Mt:· F .t 

<5 <0.1 925 9 101 

c~ ·· ·::n.4-:; · /tasa · 11. •· 14a 

<5 0.6 4666 9 223 

..::5 H .Q,1i .: /JH1 a : if:;J 

<5 0.4 2692 8 221 

G 

SC 

SC 

SC 

C 

sp· .·- ·· 49@?\ · :.o.o. 8Prn~i~6~,t~ ~' iu.tt ·r• ............ •:: • (~: ::;::0:1 •::• • 2597 i 6 . 164 ... 

2 

2 

2 

2 

2 

2 

SC 2 

S•··• 

12 @ 1 QC Hornblendite w/ suit 

• q~9 •· •· ·•· •• ·;.· :oc ·-·•·· ·· •·• Hqr~ti1M#ite wt cpt iri~tlP9 

218 

2 0.2 4554 7 214 

?2:t •<••: •O,~ : 4294· .......... 14\ • 194 ·. 
M~P ' .. : SamPI.~ ... •. No; No:X:Tt• : . 

21:.s $723>·· 

21.3 3724 

?1'3 3725 

21.3 3726 

?J;JI·• 3727 

21.3 8657 

~1<~: :: 8658 

21.3 8676 

.?il ae11 

21.3 8681 

21.:s B~f32 :i : 

21.3 8683 

21f3 8684 

21.3 8685 

7t) aeae 

21.3 8687 

22:1 111 

22.1 112 

22'.1 +13·· 

22.1 270 

22.1 272 

22;2·· 2345 

22.2 9558 

22.a: ··2a46 

22.3 2347 

22.3 ~5q9 

23.1 109 

23A 110 

23.1 269 

?:3Jf 27.9 

23.1 280 

23:1·· !1~ 

23.2 114 z~::z(· ·11s 

23.2 273 

?~:g ~~7 24.1 60 

?4\r· 61• 

24.1 62 

24JT: 138' 

24.1 139 

24'1: 140 

24.1 141 

?4if 2367 

24.1 2368 

?4:1 '.?~§~} 

8 

4 

1 

4 

20 

30 0.4 

4' 0.3••· 

19 3 0.4 

5 <1 0"1 

4 115 0.1 

2 8 0.2 

40 26 3.1 

18 

2 

2 

10 

6 

2 

69 

54 

48 

50 

a4··• 

82 

136 

132 

: ·is 

45 

22 

<1 

<1 

2 

2 

1 

3 

4 

20 

15 f.8 

28 0.1 

54 0.1 

51 0.6 

19 0.2 

3 0.3 

42 2,1 

46 3 

57 2.1 

30 2.7 

55•.: :•·1 

27 1.9 

86 OA 

59 0.6 

15 1.3 

40 0.5 

14 1.4 

8 0.7 

2 0:2. 

18 0.8 

3 0.4 

4 0.4 

5 0.8 

4 0.1 

15 0:1 

16 3 0.1 

5 13 0.6 

6 13 3.5 

2 17 3.7 

2 31 3.3 

3 48 4;1 

4 51 4.4 

4 .· 3() •. 5. 

4 225 5 

5 47 3.8 

8 

7 

57 4.3 

56 3C3 

Table A-1. Analytical results for samples from mines, prospects, and occurrences 

.... ~ Ms> 

i%? •···•3⁄4' ::::·%< ·1 r 

2 a ..2 :. o.1e p;t11 · 

<5 <5 2.2 48 5.03 <2 <1 0.17 0.02 <1 <5 <5 <20 15 <10 <0.01 

(: "s < 761". f5 1.4 44 26.37 <2 )o~os · ·<1 ·p:49 Jm::3} -i:1 <:5 . i=:5 <20 · 37 «10 o.os 32 <20 .•. 

<5 113.. <5 2.5 45 9.36 <2 0.05 <1 0.19 2500 0.05 <1 <5 <5 <20 19 <10 0.02 9 <20 

$5 •·· • . ···•· 36. ~ t<5 . Q:1:r :w 4J~2 : ~2 iQ;.Qf <~1 0;05 .· ~$§ ~QiQ1 . Oc;tt :-:=$ .. iS& ~4Q ·: . ':Y ?1 i10 0.03 > 4 : 'E?Q'. • 

7 293 .. <5 0.3 91 1.97 <2 0.019 0.04 2 0.32 164 0.02 1 <5 <5 <20 3 <10 0.03 116 <20 

5 205<". <5 mt ... AQi:? ~z : ;,-1(:)T: '<2 Q.Q14 Q~O~ T~1.: o.64 >23.s.~0101 \~{ ~q <:5 <20 . 1 <f1Q ~tj.or> 6 *20 

<5 23 * <5 0.7 0.6 25 22.31 <2 0.017 <0.01 <1 0.13 954 0.02 <1 <5 <5 <20 5 <10 <0.01 2 <20 

ss urr ::5~ tA :ra 31 s!56 :.:2 ··o:01s Q.:01 $1 0.14 1oar o:oa '."1 :::-s$ <s ;;:4g:: :a r-c:10· ·p.Q4 ? <:20: 

<5 1311 * <5 1.1 0.2 11 1.06 <2 <0.01 0.41 <1 2.24 2324 0.13 11 <5 8 <20 25 <10 0.2 120 <20 

~5 371" · <5 1-e 19.9 60: 4:os ;.;:2 <to1.4. xo.oe f1- 1:1a 2.QOo oJ:;t> 7 · <5 \'6 $20 ;52 ~to oJa •·: ~a .;20 

<5 37 * <5 2.8 32.3 31 6.31 <2 0.016 <0.01 <1 0.06 2538 0.01 <1 . <5 <5 <20 

is . 56 " 13 1;4 7.2 27 6.9 <2 o,Q2.? f Q.pf <1 tld2 1470 tHJ2 §:1 ~5 <5 <20 

<5 <10" <5 0.1 4.7 <1 49.22 3 0.019 <0.01 <1 0.29 373 <0.01 <1 <5 <5 <20 

:.:5 .::19 "· • -s5 Ofl 0.8 76 27.03 • ~2< Q,Otfj:Q.Q1 .<1 · · M9 . 9519·• · 0.01 . ,::;1/ > ss <5 • <20 

<5 66 * <5 1.3 0.5 57 19.94 <2 <0.01 <0.01 <1 0.06 1252 0.01 <1 <5 <5 <20 

24 111~ '.¢5 1- · ·oI 93<,$.~~ ~2 OA71 0)11: ·•:2 2Jl5. · $75 o.o3 ~1 ·<s 14 ;::2cl. 

18 173 .. <5 1.5 <0.2 85 12.61 <2 0.297 0.05 3 2.81 879 0.01 3 <5 20 <20 

21 so3 ... <5 0.1 <<0.2. 12 ~rs <2 · o.368 0.11. 2 1,19 · .~~3 0~02 1 <50 c 1 <20 

18 196 * <5 2.8 0.3 98 11.19 <2 0.364 0.1 3 2.46 940 0.03 4 <5 15 <20 

s4 · s19.:" <5 1 0;4 @Wt9i~a' ·.;2• ta~& p:,2 r2 0.1 · 2s1 p;pg ;.;1 $5/ s. •~20i 

34 97" <5 3.2 0.6 92 20.77 <2 0.759 0.06 2 1.66 843 0.02 <1 <5 12 <20 

22 .637t itf 1.4 <0:2 45 < 29<8 i2 : Q§14 ().09 <1 0;17 < i2j 0;()1 ~f <:5 <~5 "%20 

15 1403.. <5 2.4 <0.2 57 19.63 <2 0.385 0.12 <1 0.36 368 0.02 3 <5 <5 <20 

40 94 ~5 o.s 1 27 4.53 ~2 Q,2f?2 p;oi 7. !M1 942 Q.Q2 ) ij < . >§: <5 <20 

10 270.. <5 1.8 <0.2 163 9.78 <2 0.539 0.03 2 0.37 236 0.06 7 <5 10 <20 

7. 66 <5 004 <'.0;2 24 < g.~ • <2. Q;()87i (t05 6 0.68 §90 0,02 4 ..,:5 <p) <20 

<5 469 * <5 0.4 o.6 33 16.6 <2 0.081 0.13 5 0.13 116 0.02 8 <5 <5 <20 

.,:5 164 r <5 OA <0.2 Eh {f~4 :~2: mg~ 0.04 7 10.0F 20 tQ.04 <3 : ~~· <5. $20 

<5 107 .. <5 0.1 0.3 42 6.96 <2 0.037 0.04 11 0.2 139 0.07 5 <5 <5 <20 

9 463 i 6 0,2 0.3 28 5.22 <2 0/16 QJ~ 6' : ·0.02 50 0.07 1 ; '.~~ ~5 <20 

<5 563 * 12 0.1 0.4 15 6.4 <2 0.142 0.14 3 <0.01 9 0.08 3 <5 <5 <20 

•<5!i 42 >"'S · (kf: 1,:0.!2 59 · 5:06 ~2 Cf2=17\ Q>P$. 1~ \ 0]4 : 1 ?~ Q}12 4> <5 ~5 • <20 

54 340 .. <5 0.03 0.3 37 1.77 <2 0.028 0.06 <1 <0.01 44 <0.01 <1 <5 <5 <20 

t1 · •. :.120 t <5 2 20 95 '3:69 • <2 0:33:s · o.n4 . -<:1 ·<.0'.01- 53.4 fQibt <~t is 1·•55 -:t20 

24 37.. <5 0.02 12 269 1.22 <2 0.215 0.04 <1 <0.01 35 <0.01 <1 <5 <5 <20 

13 256 • • > .,;§ 2;3 86.5 91 <?.§~ .: <~: 21.313 0 .. 15 1 OAf 1046 <P:03 ~1> . :• ·<5 <5\ <iO 

<5 230.. <5 4 <0.2 61 7.11 <2 <0.01 0.33 4 2.13 922 0.42 4 <5 10 <20 

16 <10 <0.01 4 <20 

q ~Jq fq:qf 2 .<;:20 

11 <10 <0.01 11 <20 

9 ..:::10 . 0.02 8 ~20 

14 <10 0.03 7 <20 

:18 <;10 0.3 215 ~20 

22 <10 0.3 245 <20 

.·•· a ~lQ o.28 132 ~20 

36 <10 0.29 226 <20 

11 ~to · q:24 . ao> :.;20 •· • 

53 <10 0.26 156 <20 

33 .. ~tQ : 0.27 • 23: · >i;20 

43 <10 0.44 48 <20 

23 -::10 :)).} 67 <20 

18 <10 0.47 153 <20 

21 :c:;10' 0.1 52 . +;:20 

65 <10 0.05 6 <20 

10 -;10• 0~06 · .5 s20 

16 <10 cl:06 11 

·•·•···•.·;2s "'10 ···o:o4 9. 

27 <10 0.1 11 

(§~ ~1Q 0:06 13 

2 <10 <0.01 1 

4!? ~to ~b.01 <1 · 1 <10 <0.01 2 

13l:t .. 12 ().()$ 34 

<20 

<20 

<20 

~20 

<20 

<=20 

<20 

25 

287 <10 0.19 235 <20 <5 3 

<5 . · ·281t · -::5 AJ• • ~o.~ · 34 iti5 ~2 0:01:a 0,57 > • ·.s tL~~ · · 111si .Jt55 4:: ri .:::5 16< •~20 

<5 200" <5 3.8 <0.2 28 >10 <2 0.015 0.4 5 1.93 1206 0.47 4 <5 12 <20 

s5> 79Of /.:::5 2'.8 <$0:~ '.~~(17'.135 · k~ 'Q;Qt(f '.2.A5. <B 3 .. 37 >2083 · 0'.4;i) '.2<) :~$: f.{11 <20 

<5 1091 * <5 1.7 <0.2 30 19.92 <2 <0.01 3.01 6 3.57 1956 0.19 18 <5 8 <20 

<5 796 * ~s 3.a s.0:.2 ~~ te.JH: i2 Q'.P1if 2.1$a. 10 ::rn~ • ~M6 · Q:&2 t 24 >: ~5 "14 <20 

· 24~ ·~to< cf1a 332 •• :1?ct 

276 <10 0.12 352 <20 

:<S•i 3 

32 38 

5 .24 

6 15 

,:20 :::ii :12 

.95 · ;-110 ro:at aa1 $2:0 · 75 <10 0.24 380 

?OQ· $.10 . 0:21 466 

64 <10 0.62 443 

138 j:JO )0.27 354 

87 <10 0.37 369 

<20 

11 1067 .. <5 1. 7 <0.2 45 23.21 <2 0.011 3.23 5 4.3 2174 0.17 22 <5 8 20 <20 10 29 

. :c::!:> .·· ·· s44i;_ . . ~~• • ·a .. 1 ·· :*0:2 sf 1t.ae ~2 5.M1 1 :s6i sv :2t82 1~1~\ q'.42 · 14 · <s\ 11: ~20 · s20· <•·•7 1.3 

<5 833 .. <5 2.3 <0.2 55 18.98 <2 0.025 2.35 6 3.65 1967 0.28 17 <5 9 <20 <20 <5 25 

4d ;:o,2. : 47 21iQ7< #2 f5Q<01 0~94. 11/ •:t1& .. @Q~§ i• Q14$ . '.11 <5 11 <20 .. 1s2r 1i;:10 p;s 291 ~20 <l5 8 

219 
24.1 9599 Portage Creek 

24A: 9600 PortageCr~!:lk 

24.2 136 Portage Creek 

~40:2 • 137 Portage Creek 

24.2 232 Portage Creek 

g4.2 233 Portage Cre.ek 

24.2 9598 Portage Creek 

?p;1) . 53 Tc1ylor Gree~ ' . 

25.1 54 Taylor Creek 

~l:h1 . > 22EF •···· Taylor Cr~k 

25.1 227 Taylor Creek 

2si2 51 TaylorCrElek 

25.2 52 Taylor Creek 

25.2}• 225 T~ylor Greek 

26 50 Indian Point 

ze / 224 .. india11 Po.int 

27 47 West Duncan 

27.: 48. West Duncan 

27 222 West Duncan 

27.:> ·. 223 · WestDunq~ri 

27 2622 West Duncan 

27{ 964.5 ··.• WestOuncan···. 

28 278 

2sec 9646 

29.1 42 

29:1 . 43 

29.1 46 

g~.1·· ··218 

29.2 44 

Kupreanof Pyrite 

<Kupreanof Pyrite 

Castle Island Mine 

· Ga$tlei l$lciridfy11n~ .•. 

Castle Island Mine 

Castle. lsland.•Mine 

Castle Island Mine 

~Ef2 219 .< . Castle Island Mine 

29.3 45 Castle Island Mine 

·~!ta 1 <220 ' • : Qgstle lslancfr.,line . 

29.3 221 

30 '?86i 

30 3817 

:so<·· 3.fjJ~ 

31.1 351 

~1:t 968~. 

31.2 407 

~}[21 / 408 

31.2 409 

:~t:i:· 410 

31.2 411 

31.2 · 412 

31.2 2823 

~ti· ... :2824 

31.2 2825 

Castle Island Mine 

EastQuncan Pyrit~ 

East Duncan Pyrite 

. EasfDullCcin Pydte 

Spruce Creek 

. Spn.1pf CreiElk 

Spruce Creek 

:sp@:~ .. Pr~e~ 

Spruce Creek 

Sprue~ qt~$k 

Spruce Creek 

· ·· spruce Greek 

Spruce Creek 

$pruc:e Cfl:3eik 

Spruce Creek 

Table A-1. Analytical results for samples from mines, prospects, and occurrences 

Hbl diorite w/ dissem pe, cp ··H~tg1qti~Wt~is$emp9 .·· ·· ·· Hbl diorite w/ po & cp 

Gr~~D1:l@Y \i6l9@fg)ij~sem pg, qp 

Hbl-rich int w/ PY 

tis··. ·•·Hl>!~Ji¢~ ip~.wt PYldpi 

6.8 Hbl diorite w/ dissem po, cp 

R~P o;7 

s • ····/tf/. 

RC 

oc ... >OC• 

oc 

ac 

oc 

Reip OC 

C OC 

Ch >OC 

G MD 

G. MP 

G 0.4 MD 

G 

C 

di 

G 

er 

PP!J$y.,)py,.sF~gtj•• 

Doi Is w/ suit 

.... Go~~~r:f 

Doi Is w/ sulf 

Sil black slate w/ suit 

Sil p1~w~1ati vJi~l.iw · Py band ln slate 

Sil i<?n~/wi tjj§§gry) py[~j(911@9raY~q 

Msv py band in sil sc . 

. . M$v py l~ $ii bt~q~ phy!Ht~: • 

Barite w/ very fg sulf 

sartt& WI P~nP~~ PY 

Banded barite w/ 

G gs 

Beip 3:5 i PG . $rlsl~teiW/llily¢f$i l~hs¢$\~!19\$q(py. 

SC 6.0@0.5 QC Slat~~/ lllinor py 

C ... 4,5 : OQ SI.ate wlintefbl')q9~~ PY ( 

C 0.3 OC Qz vn w/ py, gn,sl 

s < TPf ; A~ tjlwtm!h9t i?Yn§$iQ •n ~q. ·• 

C 1.4 OC Ls w/ fg suit · 

so •··<p@r,1,2 ••oc .$rg$Jcig~.§9:'#Z~t~in<?1i.i~\9oi~U1r< 

G OC Sheared fest gs w/ suit 

RG •··$he~@q,:sif Q~vt/ tj1~~!l'.>f.~1.1lf: 

QC Sheared gs w/ sulf 

Re .stiear@~, ~11 gs/w/•$u!f ···• 

SC 5 @ 0.5 OC C3s, I~ ~ sc w/ PY . 

·sc /. >~@Q(§ QC/ .Gs .. &Js 

sc 5 @ o.5 oc Gs & 1s 

220 

<5 

.··~5 

<5 

6 

<5 

~$ 

<5 .. .. 45, ( . . 

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····. :?. r:1~p9 

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129 • 

183 

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••r~5· 

213 

t•if•·· 

416 

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98 

T 

12 

··••·······. \ :13•· 

<5 

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0:2 

2.1 

?ct3·· 

<0.1 

I<~o:r••···· 

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25;9 

>500 

· ··1ao 

239 

22 

311 

708 

81 ..... <215 

91 

16 

70 

··47· 

7 

9 

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t .. t•··•·· 

11 

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31.8 

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15.9 

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23 

36 

. \:37< 

518 

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298 

5400 

1648 

2 88 7 

0.6 98 9 . · 0:1•·· ·:•·: .: : 81 . · 11 :·. 

7 223 1690 

Q~2 ··•47·:. :··•··· ·>•·:rz.··· 

14.9 98 820 

.· O):t 1?13 ··• <11•: : 

0.2 91 

• ~p:,1 · ···· :37U 

0.6 91 

,:.::0:1 44 • 

<0.1 208 

?//JX3 V: \1C1$·:•: ... 

<0.1 92 

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134 

139.). 

96 .. 81 

86 

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2.1" 

3.o, 

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4417 

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4765 

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5630 

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173 

··•;36 

244 

57 

4163 

73 

5221 

233 

65 

. $4. 

207 

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87 

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53 

2 

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36 

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3 

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3 
24.1 9599 

24:1. 9600 

24.2 136 

24i2 :137: 

24.2 232 

24i2 233 

24.2 9598 

25;1 53· 

25.1 54 

?§;f .. 2?§/ 

25.1 227 

~5.2 51 

25.2 52 

~q.?/'· . 225 

26 50 

26 .. : .224. 

27 

27 

27 

2.i•••····· 

28 

21r·· 

29.1 

29.1 

29.1 

29'1 

29.2 

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29.3 

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29.3 

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219. 

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220 

221 

2862·• 

3817 

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351 

$983 

407 

408 

31.2 409 

31.;2:: 410 

:h.2 411 

31.1 

~1'.1 

31.2 

stt 

31'.? 412·· 

31.2 2823 

~1,? ·. ?~?4 

31.2 2825 

2 

3 

2 

2 

1 

2 

13 

3 

9 

5 

5 

49 

10 

38 

54 

11 

13 

20 

11 

8 

9 

12 

18 

10 

8 

2 

3 

10 

6 

49 

1~ 

44 

204 

276 

332 · 

21 

17 

5 

5 

4 

·s 

5 

3 

11 

4 

4 

15 3.2 

27 2;5 

23 3.9 

30 3.8 

9 2.3 

20 2:5 

18 3.3 

3 0 

<1 0 

<1 0;1 

<1 0 

2 0 .. 1 

15 0 

3 OJ 

13 0.2 

:23 0.2 

<1 0.1 

<1 0.1 

<1 0.1 

<1 0.1 

3 0 

1 0.1 

2 0.2 

3 0.2 

<1 :0.01 

<LO.OJ 

<1 :Q.01 

1 0 

5 0.2 

2 0.1 

29 1.2 

tJ OA 

26 1 

48 0.4 

88 1.1 

82 

11 0.4 

12. •. 1 

8 0.4 

17 2 

12 1.1 

11 t,2 i 

16 1.5 

13 1.3· 

23 1.6 

13 1.3. 

15 1.7 

Table A-1. Analytical results for samples from mines, prospects, and occurrences 

<5 226 * <5 2.7 <0.2 51 5.05 <2 <0.01 0.25 4 1.89 757 0.28 9 <5 6 <20 

<5 . : 96.* ~5 2.8 <0.2 25 46t97 . <2 <0,01 . 0.3 1 2:06• . 637 OA 23i <5 18 ;:;20.< 

6 463 * <5 3.7 <0.2 43 4.32 <2 <0.01 0.45 8 1.87 1284 0.5 13 <5 8 <20 

8 111.+? ~5 1'.8 i<{l2 T 13.74.' ..;;2 'SO:o1 Oi23 >27 07 468 0,05 ! .6 <<;5 31 "20 

<5 262 * <5 2.2 <0.2 37 4.34 <2 0.034 0.3 6 1.45 1042 0.24 3 <5 6 <20 

:<.5 401 * %5 2.2: <0 .. 2 34 3i9.2 i<2 0'.012 0~23 ·· 7 L56 1039 · Q;19<· • 3 ·· · · ><;5• . 6 <;20 

<5 277 * <5 3.1 <0.2 43 4.86 <2 <0.01 0.35 5 . 1.89 916 0.36 10 <5 9 <20 

417 5505~ ::<5 6 180'.3 36 ~;~4 <~ 4~.Jg ~0.01 · 2· ·· io5 · ss1-2 -<tirn1 ..;1 ??f ;;:s ~20 •· 

94 4028 * <5 7.3 29.5 44 7.7 <2 24.3 <0.01 2 3.35 7244 <0.01 <1 182 <5 <20 

1ss2 ;sest "s q;Jr ·· e.r .. 5 ?-10 '.c:2\ t:~~q~6'.qj 3 0:01 1081 t<0,01 /ir::1 F 435 .i::5 ~~9 . 69 670 * <5 10 13 2 2.59 <2 10.22 <0.01 5 7.72 6700 <0.01 7 8 <5 <20 

318 190 .. * .<5 6,5 11.6 · . 5 >10 <2 :!?,~$8 <O'.Ol 4 3:31 tif:?7:1 <O:of ~1i 87 <5 <20 

437 >20000 * <5 3.5 121.7 48 >10 <2 25.02 <0.01 <1 2.16 2149 <0.01 <1 223 <5 <20 

179 · · 894 t · <5 10 .as.a. EF 1.es • ~2 •4:3a2r<o:01 4 (tM 53ij9 <Q.01 · s ; · 33/ -<s <20 

47 207* <5 0.4 0.5 117 >10 <2 0.15 0.03 2 0.14 575 0.02 <1 10 <5 <20 

as · · 245:~. ·· ··• <s ts· <0:2 69 s;s <:2 o,1s1 0:02 ~: +0-~9 J<:iZi+ Q.0,2 \-is1 \ij <:5 <:20 

653 887 * <5 1.5 95.5 39 >10 <2 36.38 0.06 <1 0.56 303 <0.01 <1 42 <5 <20 

878 1062 ~ <5 2'.2 124 62 >10 <2 3778 0:09 ,c;f 1A5 566 <O;Of <f' .49 <5 <20 

427 665 * <5 5.6 17.3 39 >10 <2 5.551 0.06 2 2.89 1268 <0.01 <1 28 <5 <20 

441 265" <5 2.4 44.2 34 >10 <2 18.44 0.05 <1 1.47 . 706 .c;0:01 <1 · · 32 <5 <20 

782 10 <2 1.8 >100.0 19>15.00 <10 40.8 0.01 <10 0.48 330 <.01 40 1 

491 351 .. <5 5.2 61.5 19 ff08 3 >50 0.03 <1 2.57 964 10,01 14 ?5 <20 

1268 4044 * <5 0.1 13.4 68 24.04 6 11.27 0.08 <1 <0.01 32 0.01 <1 46 <5 <20 

944 2087 * <5 0.3 97.4 81 12.29 4 19 .. 95 0.08 <1 0.03 ~(F Q.02 <:1 39 <5 <20 

279 <10 0.13 177 <20 

144 •-~to.: 0.22 499 <20 

583 <10 0.24 208 <20 

565 ~10• 0;13 .•·160 ::.<;20 

190 <10 0.18 163 <20 

285 ~10 fQ'.16 144 <;20 

319 <10 0.18 191 <20 

30 ~ttj <0:01 

24 <10 <0.01 

··\s ··~to·~o,01 

39 <10 <0.01 

21 <10. -;0,01 

20 <10 <0.01 

46 <10 ,,.;(f01 

21 <10 <0.01 

. 5a ~1 o . ~QJ>1 

19 <10 <0.01 

28 :~to <0:01 

96 <10 <0.01 

34 <:10 <Q.01 

29 <.01 

161 22 .<:0.01 

10 <10 <0.01 

.12 . 11 <0001 

< 7 <20 

3 <20 

.• \1 . <20 

7 <20 

6 .•<20 

5 <20 

12 <20 

3 <20 

3 <::20 

4 <20 

7 <20 

19 <20 

9 <20 

1 <10 

<1 44 

4 <20 

198 >20000 * <5 :0.01 59.9 16 7.24 <2 3.255 <0.01 <1 <0.01 50 <0.01 <1 54 <5 <20 25 <10 <0.01 

10 <;:20 

3 <20 

3 ~20 

1 <20 

4 ~20 

306 >20000 >I'. <;5 0;2 95 9 5,36 <2 5.096 <M1 <1 ~O.Q1 • 13 . ..:p;Q1 <.1 113 . <5 <20 :!~8. !lic:1Q .<:~l.01 

64 >20000 * 

58 >20000 .. 

10 >20000" 

<5 11530 t 

33 1674 " 

9 4721 :" 

<5 875 * 

91 ; >4593/\ 

50 5010 * 

<5 :0.01 

<5 0.01 

<5 9.1 

<5 4:2 

<5 7.6 

:-<5 10 

<5 5.3 

.<5.0;02 

185.2 2 0.94 2 13.33 <0.01 <1 <0.01 49 <0.01 <1 92 <5 <20 67 <10 <0.01 

t30:4 4 · 6:84< <=.2 5.408 <0.01 <1 <0.01 34 ~0.01 ><f 60 <s ..:20 104 <10 :<b.o.1 

2 90 2.19 <2 0.355. 0.1 3 2.6 6484 0.02 3 <5 8 <20 414 <10 <0.01 15 <20 

0.4·. 106 1;03 <2. O:O~t 0.08 1 1.05 .~t18 .<Q.01. :y J/ <5 <:5 .<20 .191 ~1Q~Q.01 < JO <20 

0.3 60 6.34 <2 0.134 0.44 5 1.41 1427 0.04 2 <5 11 <20 149 <10 <0.01 89 <20 

<0.2 24 :4Jf4 <2 0:012 0.16 4 o.aa 3537 : 0,01• >f <.5 a .;2or i r 324 ::SlO ~o;cn 39 :.;20 

0.4 62 7.97 <2 0.175 0.26 5 1.38 1661 0.05 <1 <5 19 <20 110 <10 <0.01 159 <20 

0.2 122 ;::,,tQ·.·••·•~~···:P]4~ cf24 1 0:12/.· ·7:<t>•QJl}•:\-::1·•· ·'f§ .• i~.s ·c::~m ···:<=1 ~10<<0.01 19 •.:::20 

<5 5.7 0.5 122 7.14 <2 0.056 0.18 2 1.1 413 0.02 <1 <5 <5 <20 125 <10 <0.01 28 <20 

..:5 2;?. ;~pi~ 113 >10 ~2. 0:072 m:16 2 0:97 44ij 0.01 . 'i::1 <!> <5 <;20 6t <=lO <=Q;Q1 2:7 : <20 

49 

<5 

27 

<5 

<5 

470 * <5 8.2 19.7 84 4.96 <2 1.104 0.22 5 2.91 5737 0.02 1 <5 <5 <20 278 <10 <0.01 14 <20 

•• <5. 

8 

255 * ,45 4-.1 %0:2 95 2.46 :-<2 QJ)38 0.:07 2 Q:51 41$. 0:06. ~1 . : 55< •t~$ f?Q\ .. 74 ffQ Jl;14 33 <20 

579 * <5 23 23.4 12 2.78 <2 7.802 0.14 <1 0.32 1497 0.03 <1 30 <5 <20 267 <10 <0.01 10 <20 

889 *: .<5 .3;1 OA 24 4.55 · ,c;:2 0.041 0;23 ~1 1.45 1~69 CJ.03 7 ·· <5 .\-::5 i.:::iQ• 20l <10 cOA 75 ~?Q 

1588 * <5 0.7 0.3 48 3.92 <2 0.061 0.52 3 0.58 378 0.04 5 <5 <5 <20 53 <10 0.16 49 <20 

1a1 "' <5 • .ti ~0,2 · 21 · '2.,e2 :S2··. Mt6 o:2e ··· 4 02as e1a ,p;Q(t :1 t Us$· '5f> -::20 to~ 5m o:1a < as· ~w 

767 * <5 8.3 0.4 19 4.07 <2 0.062 0.15 <1 1.25 1680 0.02 4 <5 <5 <20 431 <10 0.07 51 <20 

ss >JQ22.>\' • -:;;s ms ;.::m2 37 4:73 ~2 · 0:029 o.2sr $1: ,;w. >6.78 < o,oa · §/ • •§ i :::f>) :~w•· ····· M H<1Q Od5 sa <20 

<5 

<5 

<5 

861 * <5 2.1 0.2 25 5.01 <2 0.015 0.25 <1 1.51 1007 0.03 6 <5 <5 <20 162 <10 0.1 65 <20 

1214 r. <s ox ~0.2 1s 4.72 <2 o:P.;:i? · 0~39 :. ·3 f;13 1-5~7 P,9~/ :a #s ;.:s .;2p s1 5tQ Q.Jt:> · · &~ <20 

1022 * <5 0.7 <0.2 20 4.84 <2 0.02 0.55 <1 1.38 586 0.03 7 <5 <5 <20 143 <10 0.23 73 <20 

221 

<5 2 

~~< 21 

<5 59 

· ~5 .~1· 

<5 8 
.2 

3f.2 2830. 

31.3 421 

~t~ • 28~~ 

32 465 

~~•t 1J3~•·•···· 

33 189 

~:r 9634 

33 9635 

34( .. 2626 

Spruce preek 

Spruce Creek 

§prLJ~~ pre~~ 

Nicirque 

Southwest Duricild ·•·•· • 

Southwest Duncan 

Southwest Duncan ' •· 

Southwest Duncan 

TB 

35 181 Monongehela 

35·••·· :1.85•• ···:Marjongf:IMl~ 

36.1 9682 Scott . 

~~:? · , 325 Scott 

36.2 326 Scott 

3.6:2 · > ;3~i' Scott 

36.2 328 Scott 

36.2 329 Scott. 

36.2 330 Scott 

~(;;2 331 Scott 

36.2 332 Scott 

~6}2 333· Scott 

36.2 334 Scott 

3~'.g ·· · 335 . . Scott 

36.2 336 Scott 

36:2 337 Scott 

36.2 338 Scott 

3Et2 • · · 339 Scott 

36.2 340 Scott 

·35/2 i Mf ······ Scott 

36.2 342 Scott 

as;2 ··•·r ;34.;3· $~(Jtt 

36.2 9671 Scott 

sal:2, · 9672 · • · Scott 

36.2 9673 Scott 

$~/2 967 4 Scott 

36.2 9675 Scott 

~6:2 <ij6o/6 Scott 

36.2 9677 Scott 

~(:3.2 9678 Scott 

36.2 

36i2 

36.2 

37 

9679 Scott 

9680 Scott ' 

9681 Scott 

t~6 · ·· Lost Show 

I.--_ ___ _ 

Rep 

• 'G 

Rep 

·····c 

cc 

oc.••• 

C 

c 

cc 

··cc·· 

cc 

C 

cc 

cc 

C 

.··g~p· 

C 

Rep 

ss 

C 

0.3. 

3 

0;4 

0.7 

Oi6. 

0.7 

J.0,3•.•. 

0.45 

0.4 

0.9 

•1 

0.3 

0.1 

0;3 

0.7 

1 

2 

0.5 

OA 

5 

1.,4 

0.8 

0:4 

1.4 

1.2 

2.1 

. 0.3 

Table A-1. Analytical results for samples from mines, prospects, and occurrences 

w/py 

·§~'fill!~n~~Jplij~~•.Qf pY: .. Gs w/ blebs of py, ml stain 

RC 

oc 

0¢ 

RC 

FL 

oc 

$ii 9$.Wi.PY \ ; C.I••···C(•f.··•t2r .. Ci••.·o,· 

Vug~y q~~calc vn \//!RY: ~p, po in sil gs 

.· .· : .. $ih ~rrhy91it~ W(py.1r gr · · · · · · 

QC 

oc 

QC 

oc 

oc 

oc 

oc·•· 

oc 

oc 

oc 

oc 

QC 

oc 

QC 

oc 

oc 

oc 

QC oc/·· 

QC 

pq 

oc 

qc 

oc 

oc· 

QC 

oc 

TP 

Fest vole 

Rhy9!Wff 

Pal~~{~t.etlty(?l?~{j~ & sf 

qz ~ 9§J,V/fg; m§V PY.•. 

Msv py w/ sl & gn 

9~&gs:sq 

Msv py w/ sl & gn 

• ···~~ystWfgp 

Msvpy 

Barite 

Msvpy 

Gi~gss9 

Gs 

Msv 

M~vpy 

Green sc 

BJ¢9ky 9$ wf py; 

Msv py w/ bands of gs & sl 

Gfi¢Wl qi§~¢-m py/si(< 

Msv py w/ bands of sl 

.F~μlt• 9Q!-J9E:l WI$# fr?9rl1E!flts·· ·• 

Sil zone w/ calc, cubic py, trace gn & sl in gray sc 

Gi:§y.togre~n gs~~'#' mioorpy<i••··•·\•.•··• :/.•••xi:••••·••··•···• 

Gr~y s7 tc, phyltitl:) ~/ to 0:4 ft ban~~ of msv py Bc:iJJJ:I qf ffi§Y PY . . .. . .. 

Msv banded sl, PY 

: M~Y(Pyleo~ .. Band of msv py & sl 

· ~~np of msy••M·i;Jt.~6!11fi119~i-s\qf~9 

rv1~y py~sl • .•. ·•. • ••••• ·.···•· : . .· ·.•.·.·•·•·• .. •··· . Gray:§C w/miripr 9is~1::1m PY 

Gray sc & bands of msv suit outcrop in stream · F~sfsliw!PY ·· · · ····· ····· ······· ··· · ··· 

222 

r·-~-

·•··•••..i::5.•.• 

<5 

•·•··· iS./ 

1449 

8}57 

276 

r.12··•·: 

213 

?PP> 

112 

•·· '55 

175 

39 

139 

·····•:•:~s.• 

376 . tjg/ 

125 

.. '·~1t 

575 

. .t$?7;>1 

166 

17'7 . 

1011 

40 

24 

15 

1:2 

0.5 

1:4 

1 Q:fi ... 

0.4 

C.$Q;1/: 

12.6 

·a.f 

38 

2{4 

10.8 

.• •.·94 

7.4 

•····•·•o.5 

11.8 

9.ISi 

6.5 

:t:•·O:6'' 

3.1 ... 0,ij 

4.1 

9)7 

31.3 

:r;4 

24.2 

2~;(,: 

47.3 

X2A: 

0.4 

7'.1 

•··•··•·••14a9 F>•H25 

1150 5 

.994: • )149 

1086 22 

·:::;3 .. <115 

7 37 

· e •:••2.,r·· 

150 2559 

:• .. •:i 1:96 •••.• 2~9/i 

218 9706 

}99< :::;7~ 

156 761 

· 59 

174 

33 

;~i · 11+• 

>< :~~ 

35 

99 

37 

425 

203 

•· 192 .··· 

1.3 * 

4547••···. 

14.2 * 

520 

1.7 * 

~~-!J.·.f: 

6510 

354 

202 2275 6.7 * 

2a9 · ····· 1a12· ·· . . 1J; t· · · 641 356 

206 • +1.~:· 

161 380 

205 <13•• 

294 106 

1.0 * 

292·•···· 

1245 

231 

1.5" 

.1$1 ···. • ,tiaq 1.3<! 

286 4630 14.2 * 

41 h r ; 320 15.27 • 

137 

Z:3f 

269 . ·g93 

109 

215/ 

1007 .. 641 

2157 

··99··· 

45 

. 6$ < 

6.3 * 

1S! 

10.3 *. 

2260 

265 

9~~··•·· 

7 

6 

3 

3 

3 

5 

<1 

2 

2 

-sr 

3 

<:1 

<;1 

2 

2 

2 

<1 

4 

3 

.. 2 

4 

.3 

3 

•3 

3 

2 

1 

<1 
~tz r 2a2.6; 

31.2 2827 

'$1'.~L 2s2a . - 31.2 2829 

a1:2 -- ·2s30• 

31.3 421 

~r:t: · 2a35 

32 465 

33 188 .. 

33 189 

~a 9634 

33 9635 

34 •.. : 2626 

35 181 

35 -·--1.ss 

36.1 9682 

§p,?: > ~?ff 

36.2 326 

3(>'.2 :$27· 

36.2 328 

36i2 329 

36.2 330 

3t,;~ - 331 

36.2 332 

~'?-?: 333 

36.2 334 

~6:,2 335 

36.2 336 

SEt2: 337 

36.2 338 

3€L2 · 339 -

36.2 340 

36:2 341· 

36.2·· 342 

36.2 :34;;3; 

36.2 9671 

9$.2 !367? 

36.2 9673 

·~5;2 ~.674 

36.2 9675 

~§,4 9676 

36.2 9677 

3(3.2 9678 

36.2 9679 

$6[2 :~980 

36.2 9681 

~7 196 

7 

18 

12 

4 

93 

71 

39 

57 

7 

2 

2 

10 

37 

57 

50 

62 

10 

56 

<:1 

63 

34 

35 

48 

27 

39 

32 

19 

50 

40 · 

35 

33 

42 

21 

43 

24 

28 

21 

34 

42. 

42 

45 

37 

40 

Table A-1. Analytical results for samples from mines, prospects, and occurrences 

1.4 

1;4.( . Q.Q15. . (),6~ 17;, : 88 

<5 <5 0.9 <0.2 13 3.47 <2 0.017 0.5 <5 <5 88 51 <20 

1.9 · i5 ssz.~ ;~s. r;o '.¢0:2 44 15:02n <2' (FQ.Z~ 0134< :..::1 ;.;;5 ·-i$L <20> ':148 ~o <20 

2.6 <5 477 * <5 0.9 <0.2 26 6.14 <2 0.019 0.11 <1 2.35 743 <5 <5 <20 53 <10 99 <20 

2;7 -:::5 . 498 * .;:5 0i3 - <=0,2 72 7;22t 6 Q.Q1.& 0;1~ 51 2;85 i54 .§ ' 5 >c;;20 ', !t:Z. -f10 98 <20 

7 0.2 127 7496 * <5 14 158.6 24 _2.72 <2 1.233 0.13 <1 0.34 7771 <0.01 <1 30 <5 <20 493 11 <0.01 6 <20 

8 1.4 <5 909 * <5 o :t O.? 11 4\39 · ';.;2 0.011 cp2 · 2 0:91 ~Qt i Q.Q4 :. a : t ,s5 ~5 <20 1 sa $1Q 9:1~ 5~ -<2.0 

14 0.7 93 1902 <5 0.4 2.4 178 >10 <2 1.34 0.22 5 0.47 429 <0.01 <1 9 <5 8 6 <10 <0.01 149 <20 

53 0:9 1906 :133si~ <5 16 ~0.2 t4Q 1~:3f 1 Pi14~ 0.1a s1 ·- d:ss\ n$:tl :tro2 r.2 :>2a <s fgQ 3QS nr10 /Q.9~ 1913 :~20 

50 1.1 21 2081 * <5 2.6 0.3 67 3.8 <2 0.036 0.07 <1 0.4 329 0.04 <1 <5 7 <20 247 <10 0.37 109 <20 

57 0:9 10~ 1ss ,. ;;;s .,r2.< :o.9 2a-4: rn:is z 9,111 ct1a · · Er 0.4s ,<:1~e1: (to2 110 v e ~s i:::20 1p4: 1r \0.02 19s ~20 

10 0.4 99 24 * 56 14 0.4 312 4.14 2 0.015 0.01 16 0.19 790 0.01 1 <5 <5 <20 190 35 0.01 143 <20 

2 0.3 150 •· t3P <2 0,01 1 60 s:o3 ~10 1:1 O/ta 30' · :<:or: : so mo3 ~2 ~r - , ,z 

2 0.3 54 317 * <5 0.04 0.6 65 1.91 <2 0.016 0.15 30 0.02 102 0.16 4 11 <5 <20 4 <10 

2 0.4 16 257 * <5 ,0.1 0i5 7$ 2.08 <2 0:011 0:2 ._· 40 <0:01 180< 0'19 3T <:5 .. <=5 -<20 > ] -<1Q) 0.08, <20 

14 0.2 9 13.76% * <5 0.7 76 93 0.89 <2 2.82 0.11 <1 0.01 94 0.01 <1 <5 <5 <20 74 <10 0.2 <20 

27 0.3 8 1.Q204 *. ~5 0.4 2.3. 203 1.58 <.:;2' "f.i36 0.16 i,.;:1 0.09 161. O:QS >1 ; \-c:p Lil:5 ~20 27: ;i:::,o 0219 .~20 

55 0.2 24 6900 * <5 1.5 990.4 42 >10 <2 23.5 0.08 <1 0.07 215 <0.01 <1 19 <5 <20 12 <10 0.02 7 55 

38? 4 

50 0.1 

1 95t,. <~ 2i~\_ : ( '2 H3 :9:39 · 1.~ 0.112 IA:f? .;;1 );l'.0.1 < 1249 0j06 •·· ::2 < s5 --· 8.< ~20 .. ·•··•·· 26 $19.: 0i57 27Q •. ~?Q.> 

25 3931 * <5 1.7 100.8 56 >10 <2 3.024 0.04 <1 0.05 212 <0.01 <1 6 <5 <20 15 <10 0.01 2 <20 

66 Oi3 • 35 gsz,. "'5 o.1<>2000 as .trn 2a />so 0;22 ~1 o.os - ao1 ~.0:01 n..::1 ; s4 -F5 ;;2ot:• · a >$JQ o.o5 20 25s 

52 0.1 16 10.81% * <5 2.7 22.7 39 >10 <2 1.021 0.07 <1 0.03 803 <0.01 <1 24 <5 <20 16 <10 0.03 10 <20 

<:1 :0.01 <5 56;35%~ <5 0i1 2;8 2 0:22 . <2 (f069-<Ct01 <r: :c;O;Qf 18 ~0;01 ::c:1 :-.:.:5 <5 <20 : 219 1"1Q ~b.01< .;1 120 

47 0.1 14 8.75% * <5 1.8 38.3 43 >10 <2 1.207 0.03 <1 0.05 210 <0.01 <1 <5 <5 <20 10 <10 0.01 2 <20 

34 3 5 2?-46 ~ <5 4.1 0.5 149 r. (fp1 ,;:2 -fqs~ -0,84 1 2A7 lQIQ Q.Cl~ -..::5· 9 ~20 52 510 0_:44 4!M <20 . 

46 0.9 17 3189 * <5 2.7 230.8 131 7.5 <2 5.393 0.5 <1 0.23 509 0.03 <1 <5 <5 <20 15 <10 0.25 58 <20 

4ft 0.6 20 3s22;• -;s a:s · 44.4 Ei~r :2:.01 $2 t,944. JrnQ •• 1 ro:os" · 1;a~1 iq.ga 1 ~1 rri •~s <20 / 1s. ~t9 -Qi~l3i iJ,2 .;20 

67 0.4 86 490 * <5 0.3 394.2 75 >10 <2 11.72 0.22 <1 0.13 157 0.01 1 6 <5 <20 4 <10 0.13 30 <20 

49 0.2 

31 2.7 

15 17!;>3_ ~ <5 0:9 649;$ 57 ?tO c:;2 1T.72 O.t1 <1 _Q,09 118. ,;Q,01. . <.1 ··~···. ~5 <20 19 .::to 0.04 13 <20 

<5 1552 * <5 3 1.3· 171 5.39 <2 0.057 0.57 2 2.24 958 0.06 2 <5 7 <20 63 <10 0.31 139 <20 

26 2.3 <:5 · 1865,.. . . :<? · 2 1 :1· 12s 3,s :t:t2 : o .. o3s ;Q.?4 :> g · 1;05 : ::es? Htii -- 1 · <5 · 5 ~20 ·•·· 1s1 ;,:::10: o:2a 01 · · ~20 

53 0.7 32 1715.. <5 1.1 484.2 64 >10 <2 14.94 0.23 <1 0.29 314 <0.01 <1 <5 <5 <20 21 <10 0.1 31 <20 

40 2;0:-·· 

53 0.1 

19· ··t547./ ~$ 1:7 78.1 • 71. T82 >c,2:·· ~.;7~ f>49 i1 1m;2 • 8$9/q;p} -t ·• < <5 1Qt {4Q : 14 .~}O. ·0~49 139 ;;20 

23 7031 * <5 2.7 62 51 >fo <2 2.172 0.04 <1 0.02 563 <0.01 <1 16 <5 <20 26 <10 0.03 5 <20 

34 2.T <5 2-34~ *.}: <5 2\8 1 132 5A9 f..2 ;/QJ06 0.63- - / 2 2,24 ~§{ C>,Q?? 2 <=5 8 f?O 94 - <1 O •0.49 158 <20 

26 0.4 12 11.17% * <5 4.3 3.6 56 9.1 <2 1.486 0.26 <1 0.08 565 <0.01 <1 7 <5 <20 25 <10 0.22 33 <20 

17 1.4 5 41.42. ~ <;.5 :3 .. 6 0,4 . 35 3;63 . : 52 M.27' QAf} <:j QJ75 79~ .c:tj\Qi ! '51: : ;L~p · <5 520" . : 24 #tO : Q;;i! /58 *~O 

42 1.6 19 18640 * <5 3.9 91.8 69 >10 <2 3.639 0.75 <1 0.48 1113 0.01 <1 <5 <5 <20 25 <10 0.36 91 <20 

24 0:2· 11 7i01%t ·- "'Si 1.1 · ·aett 1sr ~:2a< ·<2 2:041 PiPtf ·s1 rfoe 1ts:;;;o:<J1 )sr .:SP .. ::-55 520 s §10· 0102 : 1 <<20 

42 0.7 19 1865 * <5 2.6 979.4 47 >10 7 26.32 0.23 <1 0.21 428 <0.01 <1 41 <5 <20 22 36 0.12 38 143 

17 0;1 a 26.34%~ <6-4.5 s:z 2a··· :>1o :20;349 o.o3 a 0:04 ~l?~·".59·qf1 ··,1··. -s:s 5(L<20 •:W{to··o;o3 13 ~20 

40 0.02 16 9.45% * <5 2 330.3 32 >10 <2 13.56 0.02 <1 0.01 433 <0.01 <1 21 <5 <20 10 <10 <0.01 <1 <20 

57 0.8 24 p1c,5.. ~s 2.2 ~=P, 'p9, r-10: <~2 :a:2a 0:41_ '51 01~1: 4$~ o:pi s1 1 •~s .-;;20 -· ·· ::35: ::ii10 - Q;11 s1 :«20 

56 0.3 24 2934 * <5 0.4 683.3 63 >10 <2 20.36 0.18 <1 0.11 147 <0.01 <1 6 <5 <20 4 <10 0.05 21 <20 

36 ... 3 75 7;92 !~2 0)411 O,f?~ <;1 1\44\ ., 12?§ (Q;Q1 1 : ~5 fr 7: ><20> 40 ~tO 0.41 122 <20 

32 2.9 6.64 8 0.145 0.35 3 2.04 1659 0.01 13 <5 <5 <20 20 <10 0.41 166 <20 

17 Q&·• ,ijj1 s 8.955 0:39 >1 Q'.13< 4oe-2 iO;Ol ~1 < 1s.i. r 3?Q(J 4, ~19/~o;of ea 

223 
37 197 

37< 198 

37 199 

37: 2627 .. 

37 2628 

31.:·· :ie~8 

Lost Show 

LosfShow 

Lost Show 

lost Show 

Lost Show 

l:.ostShow · 

37 9639 Lost Show 

37 \; :i!:1&49. L9~t §how< 

37 9641 Lost Show 

azr: ~Ei~? .Lost Show 

38.1 30 Helen S Mine 

ja]: . 31 .· ··Helen S·Mine .. 

38.1 32 Helen S Mine 

38:1( a3<· Helen S Mine 

38.1 34 Helen S Mine 

~8:1 35 Helen S Mihe 

38.1 36 Helen S Mine 

:~ijii. L lt Heleri s Mine 

38.1 38 Helen S Mine aa;f. t39< Helen s·Mine 

38.1 40 Helen S Mine 

~6'.1 4f Helens. Mine 

38.1 200 Helen S Mine 

38'.1 · 213 Helen S Mine 

38.1 214 Helen S Mine 

3~[1 · 215 Helen S Mine 

38.1 216 Helen S Mine 

·~~-}} :·. 217 Helen S Mine 

38.1 .. 381 Helen S Mine 

.~8}1F · 382 1--@en S Mine 

38.1 383 Helen S Mine 

38;1 . :2359 H~!ijn s Mihe 

38.1 2623 Helen S Mine 

iaija•·· <?ij4.4• .:Hel'3rrS.Mine•·· 

38.1 9565 Helen S Mine 

§~)f \ 956ij H~Jen s Mine. · · .. 

38.1 9642 Helen S Mine 

$1:1:l• ~9~~. Helen S Mirie 

38.1 9700 Helen S Mine 

;3.~i2(< 2a1 · Helen s Mine · 

39.1 9569 Harvey Creek a~ti.: ... 274 . .. ·Hcirveyqr~E;lw 

39.2 275 Harvey Creek 

~~ri ·. · ·•· iis H~ry~y ~::r~~f 

39.2 277 Harvey Creek 

~$/a $5$7 H;;1rveY Cr¢el<, • 

39.2 9568 Harvey Creek 

Table A-1. Analytical results for samples from mines, prospects, and occurrences 

0.6 TP Msv py, sl 

4A IP •. aandiofpy&§li/1fo$f~ .. 

2.4 TP Fest SC w/ fg PY 

Ci 

C 

:•:•.·.c:•·:·•·• 

SC 

1;:2 .oc . i$El~P!(~ ~P #i 1~n~~~ ~ ~j11~~pf ~l&-PY 

1.9 OC Msv sulf w/ sl & py in fel sc 

•·r ·· oc $•t m~v $Ultwt#v&.JWir<·· <•·•·•·:< ·••·)·•·•.:···•:o> ) ... • ·•• .: .. i 

7.5 @ 0.2. OC Thinnly bedded sil sc w/ thin banded py, gn, sl 

<sc:·.· · &~9 @g;g.qp .:. · · •· t1;11nntY.t:m~9~~ §ii ~!iwttninP~ntj~q py; gtj;. * 

G 

C ·· <t1 

Rep 1.5 

B~P >o:4• 

S 0.4 

G 

ss 

G 

G 

ss 

·ss 

C 

G 

Rep 

···•·RC 

1.8 

C 0.9 

:c··· · 2.a 

. ·:···::~ep 

G 

. C 0;1 

ss 

>G 0.6.•: 

..... Rep 0.9 

i $< o:os 

S 0.5 

C: 1.2 

Rep 1.4 

OC Sil metavolc w/ fg dissem py 

Tr .< §,1rn~;v91<t)¥1pyfg~;.~r· ····· OC Qz vn w/ inclusions of gs w/ py 

be Gs 

MD Sil vole w/ sulf 

MD 

MD 

MT 

MT 

Slightly sil gs w/ PY 

·stream ifrgs)qg~~c 

Fest qz w/ sulf bands 

Fest q:z wt slllf ~nd~ 

Sample of mine tailings 

Sample of mine tailings 

Msv py, po, gn 

Qz 

Gs 

Sulf 

vn 

M~~• suJf, pY; $1. i 

Qz vn & sil br zone in fest slate 

TP 

RC 

oc 

MD 

oc 

oe 

RC 

FL 

MD 

. ·.? •o~:yfl·•~··~il ~ripnij~llfij$lslate 

oc . 

Re.· 

RC 

oc>· 

RC 

oc 

oc 

Sil, fest metavolc w/ dissem py, gn, sl 

· .·•·:~r-AAn,~tllgray ~1fv91~Wldi$~~m ~:tn$v•Pf ··· Qz vn wt sulf 

F~~tq~ '.'{p »;t PY : . Soil sample taken @ surface 

pt~1p9k\1/IJ9~4~iqh~ of: pfo1!ttt~f~i¢i PY •f : . Fest qz vn w/ inclusions of phyllite, trace py 

·· PY ~ar1d ih t~~t/$ifptMnt~ 

Qz vn w/ py in sil, fest phyllite 

g~ w(~tp ~ p)'J ·· ··· ·· ···· Gs w/ dissem PY 

224 

21 105.6 321 2067 10.9 * • • 1 : • :::: :a4 • :i$a.,$/ ·· · · issr ····· · · $$ie• ;: 11.sJ 

10 7.4 105 1510 1179 

?JQ ·· • •~;4:.r · ·.: i?.~9 ::::::• ui:va l 12.1: r r 

450 7.1 * 370 4.20 * 15.3 * 

90 i • : 76 23.Q Y 2:15Q 12 .. tJ: 

66 83.9 252 5180 4.5 * 

• Tt~9 + ~.. if1$T ~?17.i·• S.Q)l' 

9 0.3 115 14 148 

>~~~ · :/:•i~?· 2sa ····<.i.19,·•·· . . u;2~• 

o.32a * 22.1 :foe 19s 1042 

41· ···:.• ... · 1]· · w1··· :.AT: a14 

82 38.9 54 7539 5.4 * 

12 .. 3 

69.7 

2,6 · 

1.9 

1 

60 

{)2 

135 

111 

42 

pQ 

254 

··>:aw· 

927 

7564 

283 

341 

~858 

1.4 * 

9950 

3055 

491 

2471 

<1 

51: 

<1 

2 

1 

~1 

1 

2 

2 

?. 

2 

:2 

3 

<f 

<1 

1 

3 

3 

3 

2 

1 

3 

ao•u• · ····ez: 8!5 7iQQ )i 3.4 ~ .. g 

132 1.78 * 64 1.09 * 12.8 * 2 

:1§:;:,;: •<··::1:s'.~ 

152 113.5 

/: 9~ / 1iLd429:·· ·494~·. ····:· .:C:f 

81 2.50 * 5.3 * <1 

~~ta.••:••. 

1208 

·••ti yy· • $$U·• 

7 

.·.· .: 36f)/ 

<5 

t••t••:•+§:•·: 

25 

7 

2.13" 

o..a : ·•· • • 9.i ss 

0.8 106 69 133 

......... ).)Q;~ ... • .· .. ·•.•·:· •: :· ·. 4a H :•.: .. :Y.61 :\L 54 ...... ·6.4 38 18 70 

· ;.:o:~• •· aa1::: :· 1.•::.1s· ··· · s.9·•···· 

0.2 143 13 61 

QAf 184./ : :::n 126 

0.4 196 37 306 

2 

3 

2 

3 

2 

? 

6 

·• 5 

2 
37 197 

;3-7 198 

37 199 a1 ~~t 37 2628 

~7'. 2629. 

37 9639 

~7 9640 

37 9641 

st 9697 

38.1 30 

att11 : $.if : · · 38.1 

38!1! 

38.1 

aaa 

38.1 

~?Ji 

38.1 

38:1 

38.1 

32 

33} 

34 

~5. 

36 

•37·• 

38 

aa 

40 

aaJ · jW? 

38.1 200 

·~ijJ 21;, 

38.1 214 a~:1 •215 

38.1 216 

38)1 :217•··· 

38.1 381 

S~;t. {~8? 

38.1 383 

38;1 .. 2358 

38.1 2623 

~a·c:1:: > 2624 • • 

38.1 9565 

38A ~.~QQ 

38.1 9642 

~(tf . j:1~£1~ 

38.1 9700 

38.2 •·•ga1 

39.1 9569 

:~l;i!,Z : 274 

39.2 275 

$9i2} 276 .. 

39.2 277 

3£1,,? .>9567 

39.2 9568 

38 

33 

48 

21 

33 

28 

44 

20 

46 

· 24 

13 

M 

19 

7 

15 

19 

17 

22 

6 

10 

20 

29 

28 

13 

52 

39· 

5 

9 

15 

33 

33 

6 

4 

21 

6 

25 0.3 

23: 0.4 

26 1.3 

17 Q.f .·· 

14 

25 

20 

13 

39 

18 

3 

.··24 

0.1 

P-2. 

0.8 

0.7 

2.5 

Q;:? 

0.4 

47 

7 0.02 

4/0J 

1 0.04 

18 1.7 

31 3.0 

47 2:s 

Table A-1. Analytical results for samples from mines, prospects, and occurrences 

49 105 * <5 0 658.7 73 13.58 13 >50 0.06 2 0.02 528 <0.01 <1 119 <5 <20 2 38 <0.01 12 121 

46. 85 : f5 m1 ?~q;f 69,"l0:37 10 ?50 OM . 2 0:1 ~~34: ~Q.01 •<$.i( 120 6 <20 ·:$ I :~ij !~O.Qf 34 123 

49 813 * <5 0.1 5.4 126 4.41 5 15.72 0.2 0.06 385 <0.01 <1 -27 23 <20 4 <10 <0.01 111 <20 

34 10: : I· ~2< p.:1;-100,0 12a EiJ3!5 ·.10 ·*100 croa "'10 >moa ~a.q 1;01 144 • 4 < t1 · {i61 19 s10 

84 10 <2 0 >100.0 87 >10.9 10 >100 <.01 <10 <.01 175 <.01 138 <1 <1 <.01 1 <10 

s2 10, >{t • &?too:o tsz>?.1¢,1 ..c10 ~1pcr: (ro1 c;.10 0:02 545 A:01 '44 >r <r . .:<;AH •.· 11 <to. 

35 834 * <5 0.2 356.7 123 7.91 7 >50 0.12 3 0.12 888 <0.01 <1 56 14 <20 5 25 <0.01 97 . 54 

25 •. ···· 503· f. · <5 0 289;2 ••·· : 69 }3;09 9 >50 Q:14 < 1 0~02 g}iQ ),-,:pJJ1 if< 80 .·.. : 9 <20 ·· ·•·.• 3' 24 ~Q;Ot fl 8 /$f •• • .. <5 493" <5 2 0.7 116 6.05 <2 0.353 0.13 3 1.95 940 0.06 <1 <5 5 <20 27 <10 0.58 163 <20 

.49 . : 43.r <:5 o 129s. s2: ij'.s~ ·:·a···· ~~o 0;04: .c::1 <o'.01 ·· 442 :~0;01< {f · 142 .;;5 <20 .1 1'f1P 50:q1 11 <20 

892 214 " <5 0.8 14.3 237 2.64 <2 0.796 0.06 <1 0.3 162 0.01 <1 <5 <5 <20 4 <10 <0.01 19 <20 

81 :::nasf <5. Q:9 ( .. 1.:.s 63< ~to •4 "OA3 OA:s· ·<4:• 3i6< ·'11791 +P~Q1( ?~/ )\/'5§ 26 ~20 . 8 iiiio 0:01 .229 ;.:20> . 

347 65" <5 1.5 152.1 77 >10 <2 22.06 <0.01 <1 0.02 957 <0.01 <1 107 <5 <20 11 <10 <0.01 <1 <20 

a· 13·t ..::s o.3 1~:4 ~9 :•1mf :c:2 · lf~M ,;:p;p1 : ft o:o~r · •/?ti ~0;01 '<r 1Pf ,s • .::20 re ?~10 sb.01 5 <;20 

<5 200 * <5 0 0.4 283 1.31 <2 2.454 <0.01 <1 <0.01 107 <0.01 <1 <5 <5 <20 <1 <10 <0.01 12 <20 

· 1~ 1a49z~ <~s. oJ3 a.9 ss ;ie;tf •·····~ taos ·· o.rr s 9,p4,: 1~~· 9'.Q??i :~ti ,~s ... :11r ~20 > >+.9. ~t<f 0.1a • 15e: <20 : 

1471 685" <5 5.8 4.7 47 >10 5 0.216 0.12 6 2.08 1844 0.02 <1 <5 30 <20 115 <10 0.04 409 <20 

2a ta2 t ~~ o;s ··ta;· 19 a;~a <2 o;a82 0:05 a ··to2 69gf::tfpa 6 · ··:1s: 10 ... 20 17 <.tQ rP:•.9 219 <:20 

72 957" <5 0.3 350.6 162 3.93 <2 20.42 <0.01 <1 0.02 236 <0.01 <1 35 <5 <20 4 <10 <0.01 5 <20 

102•: · 4~f"' <s 0:1 ?73.4 19~ rs;:97 ki ?QJc::q,qr 11so;Qt ·449.~o:.o:t ::;.:;1: >45 ><:5 $20•·· :2 510 ~Q-Pt: · t3 '<~o ·••····················•·•·:••···•·••:• .. •. 

371 2271 * <5 8 56.2 13 7.26 <2 5.256 0.11 8 1.03 3560 0.17 1 24 7 <20 78 <10 0.03 63 <20 

2 0.1 

10c04 

18 0.7 

20 Q;8 

11 0.1 

:15.9 121a\r• <5 4;t: : <41 .2s 1.a ~2 .?J1~ <P-1? :7:; 1.s2 .17~?·rq~~.2 !1 · : :1:WY: :~: k20 · ai iiUt1:9;94 74 ,c2d 

446 138 * <5 0.02 7.2 55 30.86 8 8.488 <0.01 <1 <0.01 77 <0.01 <1 147 <5 <20 4 <10 <0.01 <1 <20 

<1 0.1 · 317 77'/, OJ< 9 .. 6 1.86 0.82 >:c:;2 Oi323 0;01 ..::1 0:08 ?'.~ <;Q;Qf :-=:t <5 ·•·<:5.: i::2Q f <10 <::QiQ1 <:20 

28 3.4 33 1115 * <5 1.5 11.1 62 8.57 4 1.081 0.1 5 2.39 1044 0.02 4 <5 24 <20 12 <10 <0.01 195 <20 

17 0.1 · 709 657~ <5 2:9 105!4 5.f :~;1Q ):;:2 1];06 ·era.~ \2 Q,P8L 1774 <;0;01 i<1 <>1~~'. ~5< <20 ::<:::;11 •~tp ~0.01 -~L:lJr .• ::·•.··..-... •···.·.•.•.·.·.·.-:.···". .• < •.• \··--•. 

2 0.3 <5 354 * <5 0.3 1.9 170 1.31 <2 0.7 0.03 <1 0.12 316 0.01 <1 <5 <5 <20 6 <10 0.01 

34 3.1 9 3339 • <s 1.1 4 1s: : :::-Jo ~2 0,4s1 o.~3 s Li2 1s~4?/ilof: r1 ~s · 93; ic:2o 29: ficH o.~4 

42 3.7 16 508 * <5 1.9 3.6 15 >10 8 0.064 0.05 6 2.29 1309 0.02 3 <5 36 <20 45 <10 0.04 

10 315. 193 ,. <5 0.01 4!1 zs ;:f10 • ~.2 • s,~qi Q\P4. 51 <0~01 ea *d:oi .. ~i< 96 . <5 <20 2. ~"to -<P)H 

14 0.2 445 620" <5 2.4 82.2 40 >10 <2 10 0.07 <1 0.07 1657 <0.01 <1 86 <5 <20 18 <10 <0.01 

3 . o s1 1011•· <5 4.1 · ~~:i 142 <?!§1 /:\<;2 4/7119 o:or 1 0:02 1323 :c;:0:01 ;,;f: ar< ~tr $20 43 t3. il::0,01 

<1 0 8 890 <2 0.1 0.5 300 2.27 <10 3.2 <.01 <10 <.01 415 <.01 <2 1 10 <.01 

13 · o 540 1Q <=2 tL?:100.0 31:-1.ltOO «JO \!}. <:.0.1 .<:10 P.Q? : ;~.q§ <54~1 • 412: -<1 <.t1 f:01 

201 <;2() 

527 <20 

5J· <20 

8 <20 

1 <20 

5 <10 

1 .::10 . 

5 0.1 86 3 <5 3.7 534.2 74 5.45 <2 30.52 0.01 <1 0.06 823 <0.01 <1 46 <5 <20 22 35 <0.01 15 <20 

2 001 13 43 <s 0:1 1.s.1 2:2.s : ?:E3~ T\5~\ 9;?? o.os 2r<Q,Q1 · · 210 io:01 "f.1. ·• Jo <fs Hf20 3 ..:to <0,01 4 <20 

14 12 0.2 117 831 * <5 1.6 222.5 44 15.47 5 20 0.02 <1 0.13 2274 <0.01 <1 81 <5 <20 37 22 <0.01 45 54 

3• · ·24 1.s 6 •··••Mo~.•·· · ss ·· o:a·· lit 19 :~10 1i t?t? 0;1e> 11: q.i$•·: :~9~ \Q:04 ·2 · 55.< \a :520 · ··:i ti ·{10 0.21 io f?O. 

8 1 0.1 68 12 <5 0.2 22.2 145 5.54 <2 . 5.084 0.02 <1 <0.01 239 <0.01 <1 47 <5 <20 19 <10 <0.01 <1 <20 

4 2 0:2 34~4 >549J {s· 2;s · ~0:2 12s 4.1z <2 PJP7 0;1~ s 0.41 >1~~1 om2 ~1 $5 ii;t5 k20 f16 ~fo ~piot: 2 <20 

10 7 2 42 78 <5 0.2 0.3 36 4.19 6 0.426 0.07 5 0.87 326 0.02 5 <5 7 <20 9 <10 0.05 89 <20 

·14 a: 05··· · ~ 55}' ··~s 0:1 o.4 ~.a:LJ,eyj .::2•·0>1sG•oJ11•·•···• ..:1·.>9.b4 ~40 0.01 \'fl r~s $$ <;20 4. #0-::0.9-1\ 3 k20 

9 3 0.4 61 212 * . <5 0.04 0.4 190 2 <2 0.195 0.04 <1 0.3 174 0.01 <1 <5 <5 .. <20 3 <10 <0.01 17 <20 

a2 68 2 2§•· J2.9 *: ;.;:ff ·<ra •o,$ 1s2 •1s.s •: :1.3 q;~~?*e>~of. s 2~a9 · 1~sso:•o;ps >~1 •~s : 1e: 1<20 · 12 •:· ~10 r p.0$ ·2s2 ~20 · 

39 7 0.4 <5 359" <5 0.1 0.2 174 6.36 2 0.327 0.07 2 0.31 250 <0.01 <1 <5 <5 <20 2 <10 <0.01 15 <20 

s1 21 o:s 1.2 ao ,c:;5 r1 0.2 ·· s~ .:§,~q< r;;,:2 Qi§$tf 9.1~. • a 4:61 · 14ss, . o:ot · <s:x f 5$: :ia •·· -::20 > 134 ~to ;;0,,01 · 10 ~20 

61 35 2 34 3 <5 0.4 0.4 167 15.77 <2 0.387 0.03 5 2.22 696. o.cfa 10 9 18 <20 5 <10 0.02 248 <20 

225 
Mapr ~~~)Bl~ :i;g¢~tiorf : Nchi · .. ·· >Nor · · · 

~$:2 /9581 : f1arv¢y c;re(:}k: 

39.2 9643 Harvey Creek 

:~~-? •:· • f:3.644•·· H~rvey.CfElE!tt·· 

39.2 9701 Harvey Creek 

AQ ? •~~~l. ·· Maid of M~xico. Mine 

40 2382 Maid of Mexico Mine 

'4-Q : : t.W~ Maid c;,fM~xido Mine 

40 2384 Maid of Mexico Mine 

4(f 2385 ... Maid of Mexlcq Min~ 

40 2386 Maid of Mexico Mine 

4Q ~387 · Maiq of Mexico Min~ · 

40 2388 Maid of Mexico Mine 

4d r .; '.?3~.~ · l'vlaid .of MElxico MinEJ, 

40 2390 Maid of Mexico Mine 

40\ 2620 Maid of IW,xi® Mine 

40 9575 

41 ~M · 41 8650 

41\: ··9571 

41 9699 

4iA. f)57P 

42.1 9702 

#2,Z < ••$44 

42.2 345 

42;2 346 

42.2 347 4i:2 ... u•34a 

42.2 349 

4?,ttt '~$Qi 

43 28 

43(. 29. 

43 211 

¥is> · :~n 

44 27 

Maid of Mexico Mine 

Eas,t of Harvey Lake 

East of Harvey Lake 

••··· E,:1$t of Harv~yLa.kl3 

East of Harvey Lake l'v1~d Dog? ........ . 

Mad Dog 2 

Mad Dog i 

Mad Dog 2 

MadDgg2 

Mad Dog 2 

/Madpog .. 2 

Mad Dog 2 

.. M?d()pg .. 2 

Fortune 

Fortune 

Fortune 

fortune 

Hattie 

44 · .}2630: •. Hattie 

44 

44 

44 

44 

2631 

2632 

2633 

2634 

44 2635 

44;·• 2636 

45 190 

45 >191··: 

45 

45 

45 

192 

>193 

194 

Hattie 

Hattie 

Hattie 

Hattie 

Hattie 

Hattie 

Brushy Creek 

.· E3rμshy Ore~~ 

Brushy Creek 

f3rushy Cr~ek 

Brushy Creek 

~r9~hy Qr~ek 

Table A-1. Analytical results for samples from mines, prospects, and occurrences 

Rgp 

Rep 

cc 

cc 

cc. 

cc 

•···g~p·•·· 

Rep 

R~P 

RC 

C 

··•·g~p 

C 

·c 

s 

C 

• .• 2:a· • 

2.5 

1:3. 

0.8 

0'.8:··· 

0.8 

!41~ 

QA 

3.7 

1.8 

5.1 

0,7 

: §~iftP!i:¥ §ijfhp1¢!@~~!it!Ption · ,·sue •:i\/I U •r It••·•n•\•••••·•·: .. \i .. ·•.••. i :•••:•·•.·<:.•••. 

• ....·•oc r $~ wttNh J,ij119$ :9t:g"$~rn.:s1.11t . .- oc Fest, sil sc w/ PY 

. be ~h~~rsq, W§~t~er@/f$~L~~W[py / . OC Sil gs sc w/ sulf 

•·Pw 9tvhV1irn!n9rfo,· 

UW Doi· 

UW Slate 

uw 

ow·· 

TP 

OC··· 

MD 

MD 

RC 

QC 

oc 

oc 

oc 

MD 

TP 

TP 

TP 

TP 

Qz vn in dol w/ minor py 

§~~~f~d ijg(wt qf~ir,ihg~r¥:~ m1ri§(py 

Qz-calc vn w/ py 

aivri 

Mill feed of do! & qz 

Mm pqflq~~r@e.: 

Mill concentrate 

oz vn w_l.sUlf 

Qz-~ich z~ne w/.f!;J s.ulf@ contact 

i5il sc . .WI b~mqs pf PY . • 

Fest, weathered sc w/ dissem 

Festsu·sc 

F<ast, we~t~~r:~ SC 111/ dis~erri PY 

\IVE:}?iti~rnf! gs v~{lll$Y: t?aQdE:l¢ ist1!f< 

Sil msv sulf 

>Festijc 

Fest SC 

~il;Jestsc. ~• rnsv PY 

Gray sc w/ wisps of PY 

•·•···•··.··.:Au····· 

<5 

6 

20 

>$83 

1462 

·11:i: 

30 

f5.) 

2098 

· 1~02ot: 

1.076 * 

·s1§ 

2867 

.:· •151·· 

•:ss····· 

G 

0.3 

0.3 

0A 

0.075 

2· 

Takeri .frqm ~m~h ~tr'~~n-\ W,(rjp tj~gfggk ij~pos~c:Li .. 

172 

1Q4§.y • 

67 

·••·.1(f.t····• 

C 

Rep 

•··· RE!P 

G 

FL 

oc 

oc 

oc 

oc 

OC 

MD 

.•. OG/ 

oc 

OC> 

3 oc 

4@Q:2s.pe; 

4.7@ 0.2OC 

tq@o.irqc 

0.07 OC 

•i 2 od. 

Sil, fest zone w/ py 

·• Qz~¢$!CVPW{ $l/lf 

Sulf band in sil gs 

:·Fe§tg~ijf.~~ndf9f Jg ~ulf ··. Sulf bands in sil 

Oz'WJ.~lf 

Qz 

<cizvri . 

vole py, 

• 9al9 XP!¢ w(tjanq,$ cit py; ~I : t 

Fest, calc vole w/ py, trace fg sl 

i@r~Y §i($c w.!P{ . Sil b~n~ ~/ py, ~I, !r~.~ ~11}~ W~Y sc SU 9$WIQi$S~m 8. f?~ng~ct py;; $I ....... . 

226 

r~-· 

105 

iij4 

295 

1p~Q··· .. 

255 

~7 

t·•·•A9(: ·:c:c::"' :ii\Cu ,"' 

0.5 

.·Q:5 

0.5 

.. ~0.1 

3.2 

?i6~6 

27.1 

·· .. 2H, 

2.4 

2f! 

2.9 

.. ·• Q.~: 

1.3 

. \{<OJ/ 

630.4 

m 

;3.4Q 

112 

·••·•·:•;-179·· 

174 

•~7 

194 

. 48<· 

69 

1512 

< 249 .. 310 

. \3915 

310 

21.> 

50 

3 

256 

Pb .,,. . /~rl :• .... ··· •Mo 

· m ·m·· · 1i~; i 

107 3 

·•:':48 . ·2 

99 145 7 

:190 ·237 4 

42 112 1 

~EF 85 12 

1844 29 3 

a· 

28 

:Jl50• 

79 

.. 76 

118 

•·•·. J12 

75 

33 

2.9 * 

·732 . 

1120 

1c0! 

1875 

314 

24 317 

/ 32 •··•> 1~~ 9.76 * 

3 

••·•:·•R 

10 

:<;1 

2 

2 

<1 

>2 

2 

.. ·1 

·: 1~~: < .. : 902 ..• 1;4!J .... 18.3 * 

10~7* 

13 

4 

2 

1 

1 

2 

2 

617 

1.2 

ta::•· 

10.5 

• :.;.gt:~·• 

868 

1.3,,. 

: .. f/.•~;Q :!< 

-2 

<1 

2 

5 

7 
M~P t $?!J1PI~ ... 

Nov·•·-- &ou 

~~i? @§~f 

39.2 9643 

3S.2) •. 9644 : • 

39.2 9701 

Table A-1. Analytical results for samples from mines, prospects, and occurrences 

-72 4?C 2.1 /~S• 0,8• ~(t2 1$011:74 Q'.:?6,2 0!02.> 2-45< 1J24) 

20 9 2.3 <5 0.3 1.4 155 7.58 0.686 0.08 2.58 852 <1 <5 <10 <20 

40 tS:l 1.s 1 t3o .~ ~s 0:1 · oJt 111 a:13_ · iQ,a.ss • 0:02·/ 2J3s > 1a1 51 ~5 • · 11 · <20 · a .:;10 ·~20 -

66 25 1.4 25 21 <5 3.2 0.6 81 7.07 <2 0.38 0.2 2 1029 <0.01 ·6 <5 10 <20 49 <10 <0.01 99 <20 

4() • ·: <2381< 

40 2382 

40) :··- 2383 

• 21 s 0.2 > 229 49.. .<;;ff a;~ 1to iar- ts1 i<:2 :Q:~z5 o;o~ <1 o.sa ~e~ 59;01 · 2 < <f;i? <s {it>' >40 >gJp:~q.rn t6 ~20 

40 2384 

40 -: i 4;38lf 

40 2386 

40 2~fll 

40 2388 

4Q 2389. 

40 

·40..+ 

40 

4.1 

41 

41 

41 

2390 

'2620 

9575 

·354···. 

8650 

}~Q71 

9699 

42.1 9702 

42:2 •:344 

42.2 345 

42 .. 2 - 346 

42.2 347 

42.2 348 

42.2 349 

42if 350 

43 28 

48H ,- 29 

43 211 

43:{' 2.12 

44 27 

44· ?2630 

44 2631 

44? ·2a3.a 

44 2633 

44 'i 2634 

44 2635 

44\ 2636. 

45 190 

',fp\: • 191 

45 

ftp 

45 

192 

193·· 

194 

46 30 0.9 1303 533 * <5 9.1 6.3 52 6.75 <2 0.251 0.24 3 2.09 1204 0.01 5 <5 9 <20 140 <10 <0.01 62 <20 

40 s a.3< · 64 336, 11 ?IF t~8 1i:r t.!;>_~ :.si : p}p$ • 0:15 -s o,sa. 420 ;.;0:01 ? a•• > *5 s5 ?20?> :2se •;:10 ,::b.01Y s · -;20 · · 16 6 0.2 <5 105 * <5 3.4 2.6 202 2.02 <2 0.2 0.05 <1 0.5 316 <0.01 2 <5 <5 <20 40 <10 <0.01 20 <20 

29 26 o.Ef s.10 . 621" <s a 2 4~ Pi~3> ;;:~ q:p37 o.s2 3 gAe 11~R-iP(o1 r a <5 1 <20 11a ~10 -;0.01 a3 ;.;;20 

19 9 0.2 10 163,. <5 2.3 1.7 223 1.45 <2 0.543 0.1 <1 0.47 257 <0.01 2 <5 <5 <20 26 <10 <0.01 13 <20 

14 5 0.2 : 5 · •· 1.5!' <5 0;2 ~t~ • 340 0,83 <2 0.031 0:04 <1 \Q;Q7 214 <10'.01 id . · : ~J> ~5 s20 r 3 1-:;tp: ~ff Ot .. ,. 9 ~?O 

39 24 0.5 425 461 ,. <5 6.8 32 155 6.32 <2 1.635 0.27 2 2.21 909 0.01 2 8 6 86 141 <10 <0.01 27 <20 

216 111- 1;2 •4291 123 ~ -;s o:o4 aa;g 10 as.ea> <;'2 ~so rq:Q4 <<1 q.pt ;2.tj ~P-P1 ;,;;t as ,;::5 <20 3 12 ;.;0;01 :..;1 <20 

201 113 1.2 2790 138 * <5 0.02 37.8 2 40.93 <2 >50 0.04 <1 <0.01 13 <0.01 <1 26 <5 <20 4 12 <0.01 <1 <20 

20 9 · 1.3 2 . ' too : <2 • 5:3 .. 1 181 4:22 ii:;1(1 0'.16: 0.14 <10 1.65 fl!Qf <.01 ~2 7 115 <LOl ·n ."i=tO 

59 20 0.4 <5 70 <5 5.1 8.9 166 4.58 <2 0.616 0.19 3 1.26 671 0.01 2 <5 <5 <20 117 <10 <0.01 19 <20 

62 46 t.3 >27 2351.,* 55 4:4 <0.:2 73 ?10 52 0:44~• O,MH• •. 4• · 1.55 1045 $0.01 '~f -,§ HV i"f?Q\' • 48 ~10 .;:0.0.1 144 -~20< 

34 35 3.7 30 2756 * <5 0.3 <0.2 145 >10 <2 0.065 0.09 1 3.42 935 0.03 3 <5 14 <20 5 <10 0.19 239 <20 

51 38 a.3 >22 - / s <:.;5 :1.a so:2 11s 1s .. s \:;i Jl'.?Eftr Q;o,a: 3 3.o:s ·• t1~9 %0;01 J§< %? 1s 520 1a :s10 ko;o1 198 '.<20 

38 29 3.1 10 2470 * <5 1.2 0.6 120 »10 <2 0.769 0.06 2 2.71 884 0.02 3 <5 17 <20 14 <10 0.12 228 <20 

2 11 ·• 0. 0:02 37,8 §6f1Q:.M. <2 '<0;01 0.02 <1 ~OJ01 ?~4 $Q~Q1 . <:J ···c 10 ,:=;5 ~20 20 5t0 o:62 2 <2(} 

5 49 o 0.02 144.6 54 23.21 <2 3.088 o.o3 <1 <0.01 51 <0.01 <1 7 <5 <20 5 11 0.02 <1 <20 

11 31 tJ:! -;::;s.o:os · 1 n: 7.56< <2 · 10tn 0:41 2 oi4a .2Q49i<Q,Q1 2 ~er> 9 <20 as i#.10 OA1 12a ·5.zo 

24 37 1.9 >20000 ., <5 0.04 1.1 96 >10 <2 0.543 0.5 2 0.68 2441 0.01 2 <5 11 <20 32 <10 0.42 158 <20 

6 16 0;1 . •200001" . <;5:0;.0.1 45.1 52 j:10 d~-? 12.8Q$) 0!02 ~1 :.¢0;01 • ' 62 ':i0'.01 ild er i:;'5: \54Q 8 '<10 O:Q~ 0 7i ':¢20 

42 39 2.9 45 >20000" <5 2.9 7.9 108 9.17 <2 0.202 2.22 <1 1.88 4826 0.03 2 <5 11 <20 47 <10 0.54 254 <20 

65 · a.44 1<1 42 •·- 2113,. <5 o.t F 4tf16i74 •.c2 Piiiz .. 0:04\ 1t Q,27 6.9$< o.os :<5 c ·:;.:5; !5 i\:20 57 ~10 Q;Q2 :so <.20 

49 20 0.6 103 3345 * <5 0.03 1 98 6.81 <2 1.036 0.15 <1 0.11 492 <0.01 <1 35 6 <20 5 <10 <0.01 29 <20 

4 4 OA 5 · 415 t 8 10 0A Jr ?Alf <2 1.599 50/01 5 1:~? ?~?~ 1g;91 i;:1 /: SQ 12 -· ~20:•· < '355; L~,Qi~QJ)' 49 s20 

14 45 0.5 35 201 ., <5 0.3 1436 62 6.1 <2 >50 0.06 1 0.18 748 0.03 <1 324 5 <20 17 17 <0.01 33 <20 

.. ·· 25 42. 0;7 49 .·· 1655/ . ·:.;;::5 . Q;g .. 774 ····~~- \9.{)Q: : ~4. ~7,2 0.14 ··a: 0.42·· 5348 0;03 ·~1::1:: 148 Hf' ~20• 15 ~,tr O.Of :71-· $20 ·: 

19 61 0.5 53 334 * <5 0.3 1438 46 7.38 <2 >50 0.06 2 0.26 1140 0.03 <1 642 6 <20 14 <10 <0.01 30 <20 

4 10 0:1 - ;.;s :: 56~·>\' --;s o.s 11 121 •s:ss · i2 ·taaa o;oaH s o,~a raeea i o:o~i ~1 2.1 \12 -,20:< :21 r<10 0:01 - 2s s:20 -

16 7 0.3 <5 79 * <5 0.8 <0.2 230 1.72 <2 0.737 . 0.03 <1 0.26 361 <0.01 <1 <5 5 <20 15 <10 <0.01 21 <20 

s 2 0;1 $2 40 ~2.•<01 1;5 291 o;sa :i::10 - 0;3s ~.01 .j;:1.0 imn as -~101 >s21 1 <1 :c:::01 1s <10 

6 1 0.1 6 30 <2 <.01 0.5 370 1.04 <10 1.12 0.01 <10 <.01 45 <.01 2 1 <1 <.01 19 <10 

·· 1 2 0.1 2 30 <2 <,01 <.s 2$1 . 0;$4 -~10 \oita i:,Q1 -f1~ Q,Qt • §P -.~;91:· ..;:2 1 • ~t 

8 3 0.2 4 40 <2 <.01 <.5 433 0.97 <10 0.23 0.05 <10 0.01 50 <.01 <2 1 <1 <.01 18 <10 

.· 9 .. 3 : 0.1 - <2 t(} . ~2 fo1: .· ~jf 324 1.85 ·~10 · fq§ ~:01 iho JtQt: 75 ~:pf 1i2 /3' .. ·•<~1' <.01 27 Y?10 .. 

11 5 0.2 <2 10 <2 <.01 <.5 341 3.88 <10 0.64 <.01 <10 0.03 320 <.01 <2 12 <1 <.01 91 <10 

.10 s o, 1. ::-:::.2 3.o >s2 1 ~i5 24s J,74 510 o.ot sor '5tO/ p@: : .r~2a: <~Qt -<2 · 5 2or <01 4~ <1Q 

42 28 4.7 99 3734 * <5 4.3 81.3 80 8.73 12 0.756 0.09 <1 2.94 1628 <0.01 <1 18 22 <20 54 <10 <0.01 259 <20 

37 27 -3:6 148 5014f :c:::5 6A· 7~:-4' :6~.· / 9cti 1Q/ +o.& {Q.t2 : ~1 2.,ea 1684 ~(tOl <fii1/: +:11:t :19 ~20 ?11.8 ,;;;1Q :-::,Q:Ot: 194 520 

30 25 3.8 83 1869 * <5 2.4 7.6 77 6.28 9 0.172 0.1 <1 3.59 1662 <0.01 <1 13 16 <20 39 <10 <0.01 174 <20 

44 29 3.8 30 tOWf <5 id · 1;8\ 58 :;r71 .: 1P o:048 -• 0'16 · /:c:1 · 2:17: 2~?1 .ip.qj) ;c:fY; T • 20.>: -1~ ,#2Q 73 $10. ~oioj 1 §4 - ~20 

32 0.5 30 200 * <5 25 46.3 16 3.72 <2 1.521. 0.09 <1 0.33 3327 <0.01 3 56 6 <20 173 <10 <0.01 21 <20 

1.4 soo 2e11 ss 0:1 •a1;1 te ~lf: 9: ,t.241 ?Q;os ~: 1t$: 2~,;t:~p;ot 51 re~ r1~: ~ioJ \•a 1 t2 .. .c:ctor t~e 44 

227 
NoJ? ·Nq'. . 45 9636 

4$ !;lq3( 

45 9638 

.413 :··• ~~~ 

46 

46 

46 

46 

46 

47 

47 

41' 

400 

2815 

2816 

2817 

2818 

401 

402 

47 

4-8< . 

··••2819 

2820 

J9.1 

49 

49· 

50 

~()\ 

50 

·pqf·• 

50 

$Cl< . 50 

.50 

50 

50 

50 

50 

50 

·so 

51.1 

$1X 

291 

9651 

17 

18 

207 

?~16 

2617 

30~ · 

304 

···so& 

306 

307_ 

308 

9660 

9661 

<9ee2 

311 

<~5~ 

51.1 9665 

51.l ... 9666 

51.2 

51;2 

51.3 

pt.a 

51.3 

tlh3 

51.3 

·$1!~( 

51.3 

5:L4 

51.4 

$ii 

52 

312 

~J~ 

299 

~00 

301 

309 

310 

9657 

9663 

298 

9656 

•iJ5 

16 

Table A-1. Analytical results for samples from mines, prospects, and occurrences 

Brushy Creek 

E3ru~~y Gre~K 

Brushy Creek 

Freel &Durham 

Freel & Durham 

Freel & Durflam ·· · 

Freel & Durham 

Freel& Ouitiam .. Freel & Durham 

Road Show 

Road Show 

Road Show 

Road Show 

G 

ss 

ss 

G 

G 

PC. 

G 

ss 

ss 

FL 

:.·FL 

FL 

FL 

Thinly bedded metaseds w/ banded py, gn, sl 

Th!n'Y g~9.9~i:t: m~f?§~g$ &:gr:~Y.: ~il•.·sc/s1;. 99i.••Pv•· 

Banded metaseds w/ banded py 

$1~t~/§p/q~ ~2~nri ~tr~~m· ·· · Qzvn 

:N<> ~¢4t9i?KJxpq~~~ 

Shallow stream w/ no bedrock exposed oz:···· ..... ···••.•················ ...... . 

Qz 

·. ij~~$~qtrri~tavoipLgt #ipf,t~ ttdet10•$treim 

Qz vn fragments . . . . 

· No p~~rqgW~*p9~~ct 

No bedrock exposed 

Mifkof lslani:i,f~ R9 6,?4§ 

Za~embo.ls.i FS Rd 52009 

Zaremba Is:, .FSRd 52009 · 

Frenchie, adit 

G•••· ···•0.2 

G 0.2 

JP 

FL 

• rvf§\irf~it pg wt~~! · ... ·••·• ••·• •·• .... . ~urpl~ ~ g~~Em fluorit7 . .•........ < . .. . : ·· .• ·: 

Franchi~. adit 

Frenchie, adit 

Frerichie, adit 

Frenchie, adit 

Frenchie 

Frenchie 

Frenchie 

Frenchie 

Frenchie 

Frenchie 

Frenchie 

. ··qr· 

C 

C 

C 

·o· 

SC 

C.t 

C 

:••/>C 

Rep 

C 

C 

•. C.:C: 

Frenchie C 

Frenchie ·. C 

Zaremba Island Hornblendite SS 

Zc1r~mbo Island Jiofhblenditij : BC 

Zaremba Island Hornblendite SS 

: Zarempq l~lanq' HQrfltJl.eraqite< RC 

Zaremba Island Hornblendite G 

• ZaretnbC> lsl~b~+iornblehdit~ $S 

Zaremba Island Hornblendite G 

Z~remboJslandHornbl¢titfite . G 

Zaremba Island Hornblendite G 

... Zc1reimbo t~l9-9d Horhble11d1t~ •. S 

Zaremba Island Hornblendite S 

Zo:1re111bo l~land ljbrhblendit~ R~P 

Zaremb~ island Hornblendite G 

Zaremba lsla11c:F Hornblendite G 

Zaremba Island Hornblendite 

LosfZarE;1mtio ·. 

Lost Zarembo 

Rep 

C 

C 

· FL 

5.5 uw 

·5. oc 

5.5 QC 

5 QC 

6@0.5 QC 

tA YOC·• 

0.8 QC 

47 oc 

1 QC 

1.8 OC 

§ii 111eta!;eclsw/ mi(ti>w lens of ill$VPY ' 

Sil sulf band w/ sl & PY 

. ~ii $i.llf banq wt ~1·.~ py•··· 

Py 

•• Fg rn§" ~tiitwJ. ~c~~mate ~ $iii¢~ 

Msv sulf 

~~oq~~ gfl¢rtWl~arid~qf Jg ~1. PY 

Graphitic phyllite 

§il·z9rae wftj~ri#eq.·$1,11t 

Oz-muscovite sc 

Ba.r1d~d fo~rtw(s~Jlf 

4.6 QC Sil zone w/ banded sulf 

2 oc a~b~e~.(siJ voh:: w{tjali9s ot PY, $l@•f?u.1i•m~rgJQ 

0.3 QC Black slate in banded vole w/ sulf bands 

· ·· 3j oc . ·• ··· §ii) b~tjded v•IP wlbatjdep pyj~1: 

Q,2 

0.3 

0.4 

· 0;1 

0.2 

0.3 

oc 

•··•·oe·.•·· 

QC 

TP 

··rp•···· 

TP 

<TP•··· 

TP 

RC 

TP .. FL 

RC 

:..oc 

QC 

Hornblendite & granodiorite outcrop in stream 

•$rcJn#~ qi~~ifu:hprn~lenp@••••·••· 

Hornblendite outcrops in stream · 

F~~.t:Pfl nq,n~1~r1ctit~ w1·i:,q 

Fest hornblendite w/ po, py 

• Hptpblenditet9μtcrgp~Jn ~tre.am 

Qzvn 

H9rnP!90~it~. \"I/ μp; cp : 

Hornblendite w/ po, bornite 

•· H2rnti1eripit~ w/M; t>i,•••qp 

Cg hornblendite w/ py, po 

· HR1 pijg}¥1.ni~9, py(i .. 

Cg .~.8rnblen~it.e •• ~' cg py, mag 

Hqrnqlern:iit~ Wf po · · · 

Hbl peg w/ mag, PY 

F~~tiH·i1t ~~ng.•·w1~1.~py•••:•.•<• 

Sil fest sulf band · · 

228 

,-~ 

! 

81 33.9 79 9824 8491 

• ·68 . ::<: 3,3 ' 195 2~~ .i4904 

<5 0.3 160 25 99 

1& > ·:s:;Q;f . 14 / . ~i· · §q 

<5 <0.1 13 <2 

···• 9>.•<· .· ;)~0;1 23 ......... 11 

<5 <0.1 22 8 1.a .. •.•,<-od :.·.-5··. i;i 

4 

/···~ 

<5 

1Pr 

<5 

'fp 

<5 · .. 48 

18 

ii5fl6 > 

1204 

. :. 260 

729 

. 835 

295 

··.•i\i/25·•·.·· 

28 

~7:2 

13 

·••:·•··:•1.& 

488 

.w 2s·· 

~~§ 

6 

<5 

1s·· 

7 

·•·••>::22:., 

7 

so:· 

14 

13·· 

12 

9 

•··1:t····· 

10 

·~~· 

108 

<0.1 

0.3 . 8 

•·a, 

16 

·· :r2~J 

<2 

12 

<0.1 

~o.S, 

<0.1 

6;8 

<0.1 

.>3.:1 

12.1 

19 14 . ···1.oQt··· . > 303 

7ii 

8.5 

1:ra. 

9.3 

r2.~>i•· 

21 ... JS 

5453 

161.9Y 

2600 

···•2300 

1300 

•••4z 

<0.1 281 

>16:1: H: • :1214 

<0.1 

1 

15 2:$·. 

0.7 

·tOA 

<0.1 

73 

126 

3830 

mt 

131 

1472 

44 

1;3 .• .... . • > 2760 

0.2 520 

~0;1 64:'. 

<0.1 43 

1 781· 

0.8 1172 

·tL2 ··.• >75 

<0.1 272 

5 

20 

1736 

·?ita/ 

805 

r•~QQ 

1800 

:12so 

1732 

·· 1144 

23 

~44 

638 

3973 

933 

:••·f) ~9?~) :. 

4 

. \$·: 

5 

. 17• 

4 

•···? 

3 

. ••·(i!(:. a 

9 

>?? .• J$§Qi 

2856 

7 

93 

79 

·)t•• 

13 

3.5 * 

··•4;9.t( 

9882 

1,4j· 

2.4 .. 

•. )1037 

6971 

1923 

175 

/2340. 

2.1 .. 

.·· 1.s .. * 

708 

3.7 

26 

14 

76 

45 

80 

. J.O": 

3.7 * 

4 

3 

•<1· 

3 

s.1·· 

<1 

~1 

<1 

7 ...... 3 

29 

20 

29 

40. 

20 

.•··.8 

4 

50 

<1 

3 

32 

9 

4 

24 

<1 

..:::1 

2 

3 

7 

2 
45 9636 35 

14l:> :, 9637: . 44 

45 9638 23 

46{ . 399 33 

46 400 10 

4J;, ': .• 2fl15 64 

46 2816 52 

46 ;g~17 6 

46 2818 11 

9 

8 

20 

19 

Table A-1. Analytical results for samples from mines, prospects, and occurrences 

26 0.6 37 247 * <5 24 29.7 15 3.8 0.11 1 0.38 3188 <0.01 3 59 6 <20 134 <10 <0.01 22 <20 

33 3'.3 76 .. 1362 ,. . <:p 67 ·19:4 54; <~FP.? q'..1.4 .. 3.: 2'.23> 1869 iQ~P2' A:· ·:E?~ 13 <20 ..... • i!;l5; f;10 <;O:or 1~9 <20>-·· 

21 3.2 33 563 * <5 8.1 0.4 68 7.64 8 0.05 5 2.12 1626 <0.01 <5 13 <20 282 <10 <0.01 140 <20 

6 0.9 <5 612 · ~.5 Q,2 ~0.2 46 1.68 <2 <0~01 0:05 .< 7 0;63 209 ?0~01 ~1 <fi i~5 <~Q 17 <10 0,05 31< ~20 >20 14 

1 0.1 <5 57 * <5 0.04 <0.2 358 0.49 <2 <0.01 · 0.02 <1 0.03 75 0.02 <1 <5 <5 <20 -7 <10 <0.01 4 <20 

1s 1.1 · <5 1291 ~!) >P,3 c::0,2 s2 2.as .3 o:02s•· 0~12 a ?t:12 · 376 o:o4 · ~1 55 -;5 <20 21 11.0 oCcif 47 ~20 

12 1.3 5 689 * <5 0.3 <0.2 64 2.58 3 0.021 0.09 10 0.85 445 0.02 <1 <5 <5 <20 22 <10 0.04 40 <20 

1 0.1 ~5 133 .! <.;:5 0,02 ~0:2 125 0,23 <:2 0:012 0'.03 2 0;04 42 0:02 <;.;:1• • ><5 <5 : <20 5 ..;.1{) .~ci.01 .· · :3: :<,20 

2 0.2 <5 156 * <5 0.1 <0.2 197 0.52 <2 0.011 0.03 <1 0.08 106 0.02 <1 <5 <5 <20 8 <10 <0.01 5 <20 

4 0.7 · . $5 :4~ f <5 0/-4; $0i2 :.22 • 1A2 : 52 p,Q12 O)Q~ <9 OA1 224 0.03 )11 ~5 ~5 ;.;20 .20 :.:10< 0.07 33 fZO > 

<1 0.1 <5 <10 * <5 0.1 <0.2 335 0.34 <2 0.013 <0.01 <1 0.01 42 <0.01 <1 <5 <5 <20 19 <10 <0,01 5 <20 

8 .1:s 5 617.:-r ~5 o,s so:2 48 2:24 4< 0.034 i0[23 •7 olat · . ·4M · Cto4 <1 < <5 ><5 :.;20 i9 ;;:10 • 0;12 57 · .-<20 

9 1.4 <5 595 * <5 0.4 0.3 50 2.16 4 0.013. 0.21 8 0.76 468 0.04 <1 <5 <5 <20 26 <10 0.11 55 <20 

47 

47 

4P 

49 

Mf 

50 

$(J/ 

50 

$Cf. 

2819 

2820 

391 

291 

9~51 

17 

81 100 

2 2 

1.2 · s to3 ~ <5 1 :2 : 1 .7 as >1 o ;.:z 0,1 ~a · eta· :f ct8a 3~7 . 0.11 <t -c:5 • 7 -s20 . 3~: kto. p:J3 gs <20 5'•·•··· 5 

1.2 40 22 * <5 9.9 <0.2 42 1.16 3 0.013 0.37 3 0.27 79 0.22 <1 <5 <5 <20 42 <10 0.01 30 <20 

5 21 0.7 826 144 t. <5 0 .. 3 3:1 43 19:99 <:2' Q.JQ8. Q.11• <<lL · 0,4 i ~E.,5 l.::;Q;Qt >1 68 <5 f2Q •··· .· 

50 

5p···· 

50 

9Q•··•··· 

50 

&O. 

18 

207 

2616. 

2617 

~03 

304 

~95.·:, 

306 

307 

50 308 

so· saao• 

50 9661 

50- (9662-

7 

9 

13 

l3 

7 

8 

32 

7 

3 

4 

8 

5 

26 

51.1 311 43 

JMM 9664 4 

51.1 9665 16 

51<1 • ~§C,.~ '.: <: . :264 

51.2 312 37 

51.3 299 

p}:3 <)QQ 

51.3 301 

5t(hl ~Oft. 

51.3 310 

•5j:3 9657 

51.3 9663 

51A :- 298 

51.4 

52 

52 

9656 

t~··· 

16 

4 

71 

83 

3 

7 

11:l6 

14 

· 251 

26 

· 13 

26 

<1 0.1 468 >20000 * 5 0.9 99.1 29 >10 <2 1.883 <0.01 <1 0.11 276 <0.01 <1 16 <5 <20 16 <10 <0.01 4 <20 

<1 9A 952 >?OOOQ * <5 Q:1 168.9. 37 8.08 ·~•• Ct904 O.Os< <1 · · 0;14 9b <0:01 'f1 ·••·····. ·.· 7 •·· .::5 . <20 19 $10 ~0;01 6 • .;:20 > . <1 0.5 290 >20000 * <5 3.2 24 64 >10 <2 0.517 0.21 1 0.3 518 0.02 <1 8 <5 <20 41 <10 <0.01 16 <20 

2 oA ·· 488 .• so 2 0;9 ~.9-? ~a 14:1 •<10 · J .. os Pi14 ·~to 0:21 ns ~;01 < .12 •<if , · · Hf ..::,or 

3 0.8 1010 20 <2 _Q.3 73 99 8.06 <10 0.57 0.18 <10 0.43 200 <.01 12 <1 22 <.01 

<1 1 110 ·•2pooq* .<5 0;1 2:5 33 ·a.22 2 o:033 0.48. <4 0;28 sa: 0;02•••.;::1 :c;;::5\f§. <2.Q:/ 11 '5lQ~OJ>J <20 

<1 2.1 11 4417 * <5 8.5 8 114 2.64 7 <0.01 . 0.09 43 2.85 2081 <0.01 <1 <5 <5 <20 1227 <10 <0.01 <20 

2 0.1 • •··· ·· s82 ::.20000 ~ <s 0,04 1:2 4E> 12.es :f2 · o.§a2· cro:f · <1 o:os eg -::0:01 <..i::1 14 ·· i:!5 520 : e ~10 ~0.0.1 >52p 

<1 1.4 <5 3734 * <5 0.1 0.2 80 1.39 4 0.014 0.21 10 1.15 287 0.03 <1 <5 <5 <20 11 <10 <0.01 <20 

-.1 ·1.a·· 3a .. 20000'! <s.<o:a 4:a 100 i . .24: · 5 ·0:032 •·o:s& J~t o.sa 320:..0.02:::io;::1 ;.:;s:•:<s: i20 <a1: ~io~Q:Pt ,20 

7 0.1 339 >20000 * <5 0.1 59.6 38 12 <2 0.482 <0.01 <1 0.07 122 <0.01 <1 19 <5 <20 10 <10 <0.01 6 <20 

~1 b:s · · · a1 >fooog-: ~5=Q'.01 ae:s sa 2,ss· ···"f2 o;t1a Jt~?: 5 o.os•. •· 47 0]11 :.,21 ·· :f3 <5 •· .::20 : 2 1r ;=0,01 2 ~20 

2 2.5 90 11297 * <5 0.4 1.2 151 4.28 9 0.012 0.25 26 2.1 1114 <0.01 <1 <5 <5 <20 47 <10 <0.01 70 <20 

3 0 .. 2< 2406 ?20000! $5 OL7 11~:2 27:-:10.ai• i2 ·o;'i23;<:0.0f :.::1 o:.15 :57615Ctd1 .:<L <49/~5 $20 . /11 ~tQ•i(0.01 '" 11 <20' 

28 4.4 

0,2.·· 

1.7 

2,1 

2.2 

<5 378 * <5 6.6 <0.2 136 7.68 4 0.02· 0.63 <1 4.25 826 0.89 2 <5 37 <20 360 <10 0.49 394 <20 11 6 

5 

9 

147 

62 

11 

i2e 

344 

31 

48 

t29 

49 

148 

31 

26 

27 

2 

};6 

1.2 

2:7 

2.5 

D 

1.6 

0:9 

2.1 

0.3 

2.1 

<5 ·· a9z... -~p. Q.,: .::o,t 97?0.57 <2 9:q1~/QJ1t 11 0;02 1a oms <;j :: 1s: <ij <20 1a {tQ:~QiPt ::::?.: ~2q >~; <1 

<5 633* <5 0.6 <0.2 23 3.23 3 0.218 0.21 9 0.87 600 0.32 <1 <5 5 <20 39 <10 0.11 88 <20 <5 1 

.::ff.: : ·•• 677 T i;fi 2 0'.3 1J.11.1~,~ \:$2. . 0:.0.2(3. :_DA! 1 L85 M7 : 0~35 i1 . .;q A~ i<;20: ? 85 $,P> 0,23 tl3? #:20 1.0 : 28 

<5 345 * <5 2.5 <0.2 42 6.91 <2 <0.01 0.47 2 1.97 455 0.37 1 <5 22 <20 93 <10 0.25 240 <20 <5 2 

· ..:s ·· E>~~- t 5q Q,9 Qi~ ;af. 2;af · 4 0:12, <o.+ ii[ pJ11 :: •7~~ : P>~4 · :~· <s G ~io : : :42. •$HF •:o:j 10a <20 <s 4 

<5 682 * <5 1.7 <0.2 26 3.23 3 0.017 0.37 5 1.12 410 0.21 <1 <5 5 <20 148 <10 0.21 85 <20 <5 1 

<5 .26 · t < ,s5 LS <(L2 .. }$ 21:47 . . "'2 .. Q.-041 Qig~y 1( : 1)~4 ( ~47 < Q(~ij ?;f1 . ~5 15 5~0. . • :?§ •• ffQ\ JL2S 272 <20 < 9 ~ 

<5 16 * <5 1.5 <0.2 21 32.15 <2 0.039 0.18 1 1.2 151 0.17 <1 <5 14 <20 54 <10 0.15 258 <20 10 7 

<:5 6.83/ '<5 .2:s.' ~o:z .: 22. ·:1;89 2? Q;Qp~ 0.4 / <1 2J82 349 QAJl : •4 ·> :: . .::;f) :,$5' ?20i 114 ?{lO 0.3 649 ~20 <5 i<:1 

5 1034" <5 2.6 <0.2 28 6.92 2 0.029 0.72 3 1.8 617 0.37 <1 <5 11 <20 122 <10 0.25 159 <20 <5 1 

"5 64 ~ <:5 1 0.2 .114 · tt24> '.52. 0.01.6 0~04 )(1/ 1:81 247 Q;Q'l \:2· · •:::-~S )1~ Tff?Q 1~. ~fQ P-1 105 -::20 _2() 4 

<5 812 * <5 1.8 <0.2 57 5.06 <2 0.022. 0.28 <1 2.33 329 0.27 1 <5 19 <20 76 <10 0.16 133 <20 

• •<s 35 r··• 55 ·· M4 0.2 147 •· 1;s9 (<;2 : ~to$ .. o.q~. r~.1 J,~ t~a-. 0,1:r c:.~r · -<5 1a :1.io r:.:•y:~t ~1q oi1 82 <20 6 3 

<5 349 * <5 2.4 <0.2 34 5.37 <2 0.011 0.37 4 1.87 446 0.29 <1 <5 18 <20 78 <10 0.25 227 <20 <5 

.:::s ::-2q9oq/ / > .;;? r1 J~q.fl as> ·*to·· k:2: 0:019 o,o4> ~1 : PAt > aza ,;Q;o1r: ~1 · $pf• ·~s. ~20Y : .;.Yta {10 ··:0.02 32 -:20 

10 5188 * 8 0.04 112.3 55 >10 5 0.089 0.52 <1 0.63 272 0.03 <1 <5 <5 <20 5 <10 <0.01 13 <20 

229 
52 

52 ~~4 52 2625 Lost Zaremba 

$4ir · 9658 • Lost Zaremba 

52 9667 

52 )9668 

52 9669 

53A: ~95 

Lost Zaremba 

Lost Zarernpci 

Lost Zaremba 

•· Zaremb9 lsl,:md fluorite 

53.2 · 9654 Zaremba Island Fluorite 

53.3 ... ·. :296 · ·•·• ZarembO island Fluorit~ / 

53.4 19 

53'4 ~Q 

53.4 21 

·53;4··. 

53.4 

53A 

53.4 

Qfl.< 

55 

22 

23 

208 

209 

29S 

354 

355 

356 

357 

358 

'..359 

360 

9686 

9687 

55> 

55 

qq/ 

55 

55) 

55 

5$ 

55 

§p/ 

56 

p(i 

.. · a· 

56 

56 

56 

P6 

56 

:qar< 

56 

57••· 

57 

9 

1.2 

13 

1.4 

205 

10 

11 

204 

206 

•53 

64 

,---

Zaremba Island Fluorite 

.• ·• ?f.lr~mpC> l~llilhd, FluorM 

Zaremba Island Fluorite 

Zaremba .Island Fluorite 

Zaremba Island Fluorite 

Zaremba Island Fluorite 

Zarembo Island Fluorite 

ZF 

Round Point 

.••. Round Point .. Round Point 

•· Round Poin~ 

Round Point 

· Round Point·· 

Round Point 

.. Round Point 

Round Point 

·E~thMge 

Exchange 

Exchange 

Exchange 

Exchange 

Exchange 

l;xch~nge/a,djf/ · 

Exchange, adit 

· EJCctjar@f aclit 

Exchange, adit 

Sunrise 

Sunrise 

Sunrise 

Rep 1 

.Rl;lp 3 

C 0.4 

Rep •< 8 

G 0.3 

G ();3 

G 0.1 

·· ··c<. 3 

Rep 10 

G 

G 

G 

C 

:c. 

G . 

C 

C 

C 

"C 

s 

F~~P 

Rep 

s 

s 

ss 

RC 

R~P 

SC 

0.9 

0.4 

0.1 

0:1· 

1.5 

5 

..• 2 

3 

· Oi3 

0.3 

Table A-1. Analytical results for samples from mines, prospects, and occurrences 

msv 

••·• Ff P . F~~frhyql~te 

RC Sil, banded, msv sulf in sil vole host 151 . -oc F:~~t rtty8iite0 : . . ----- -- --- ---. .. . -.·• m t • 

TP Very thinnly banded, sil vole 6 

oc $taine~. ~ii ?P!l~ wl pf3fffr~¢hfres pQ 

QC Vuggy, crystalline qz br in andesite 13 

oc F~s~; .tj~na~q •?n~~#.it~ ~1 PY •·•• .,s 

QC Geode <5 

· oc Geode · 1s 

RC Fluorite vn in 291 

PG $if;gfay-j;ireeq,1:>and~dvo1c· 15 

QC Basalt <5 

RC Geodas <:5 

RC Geodes <5 

oc i=~t}~.l~!t¢ 1 

QC Oz-muscovite sc w/ dissem cp, sl 68 

··· oc ot,.mu~cpv!tfsc;. wtdisijem ijWf s2 · · · 

QC (lz~rriusce>vit~ .sc ~/ ~and~ _off~ ~p & sl 11 

oc .·q;jrpi.J~cc:>yit~ SC W( qa11d~ .• ~ WiS,P$ pf•py, s!, tra~ gp t · { •· • 30 

QC Oz-muscovite sc w/ bands & wisps of py, sl, trace cp <5 

oc §ii. ~@~ ""' c,,ssem cp · · .-. ·· · ·· · · ··· · · · · · ·. ·· .-. · · i~s 

QC Oz-muscovite sc w/ qz vns 14 

·•.···.oc §il;f~st;p~l9.g~y~¢j/~~riμ~cipy~~I ·•· .. (F 

QC V~r,: l'.)l:ll~ way, fe~t~~ .':°"'' ?~nded Pt~ sl . 8 

. op\ : 9z vn flDP f~I 9it<g).yf: ~μIf\ :. .. .. . •~5 

QC Oz vn and fel dike w/ sulf 131 

uw ,$1.1iHitihb~rt9irrq?YOW[py:lgn . >30 

RC Contact of qz vn & dike 89 

oc 

>UVlt· 

uw 

QQ· 

QC 

§fr~Jmwtar~.ni~~:potph.ho~f ) <5 

~ffl ~ 

~i•vij wt $ult:. ... . • > !5~?[ .. az vn . .. <5 

i:= ¢~r1;tt vn: · •· ..:;st 

Oz vn 923 

· '$.tr:~~min ~,ate'. ·<s · 

230 

~--7 

<0.1 

>I~Ol1 

<0.1 

~oa: 

<0.1 

. ~Q;t•···.·· 

0.6 

50,1 

<0.1 

bA·. 

<0.1 

4p.r 

55 

1 

17.2 

. 1'.5 

0.5 

i:~ 

<0.1 

··•·a:1•·•·-

2 

··••·• 6:5·· 

18 

.•.)5;S: 

11 

0"4 

9 

:sa 

0.3 

0;1 

26.6 

fQ,1 

21 · · 

866 .... ·'24 

9 

3 

5 

2817 

•12 

8 

•15: 

5 

4.9 * 

147 

119 

··••·2:·•·:•···· 

20 

... · 10 

28 

23 

31 

20 

172 

113 

69 

•< 12 .· 

6 

4 

40 

i:r. 

10 

7 

2.1 * 

5588 

34;9\·· 

29 

• 2521< 

28 

103 

122 

Ld.o·•· 

23 

23 

9 

(6 

6 

a• 

23• 

14 

12·· ... 

6 

19 

18 .· .... 8. 

29 

165 

·45 . 

36 

113 

55 

47 

1.1 " 

109 

3827 

· 2245 

3346 

·209. 

23 27 

.t51i • ?·/ 70QO 

31 

?6l:l .. 

632 

253 

381 22 ... 

348 

r 2.eeo.r 

11 

····•·1t 

944 

1.5 * 174·•·· .. 

86 

·~~ 

56 

65 

7 

?04 

5 

27 

8 

<1 

3 

<1 

5 

2 

? 

2 

• :<1 

3 .... , 

2 

<1 

17 

9 

20 

7 

8 

· 20 

6 

8 

7 

3 

2 

<1 

2 

1 

2 

·i 

2 

.···•··2 

2 
M~P . . S~ffiple N6i' No. · 52· :314 

52 315 

52 

~2··· 

317 

318 

52 319 

s~r·· $20< 

52 321 

'$2 /322 

52 2625 

52<::·· ~6$P 

52 9667 

$~} .. · 96613 

52 9669 

53y1··. 29$ 

53.2 9654 

53.3 .. i~$ · 53.4 19 

~~:/:k 20 

53.4 21 

ti3 ;4 . . • :2.2. 

53.4 23 

!:i3i4··•· 

53.4 

54/ 

55 55 .. 

55 

55 

208 

209 

2.~:r 

354 

355 

356 

55 360 

.55: $;1686 

55 9687 

56./(:•:· B 

56 9 

56 . 12 

56 13 

Q§/ 14 

56 205 

5Ef .. 10 

56 11 

5.6h 204 

56 206 

57:i · E>~ 

57 64 

11 

4 

33 

2 

: 15· 

15 

5 

18 

2 

11 

2 

3 

2 

4 

2 

7 

i::<t1 

3 

10 

51 

6 

11 

1 

4 

3 

4 

3 

3 

5 

3 

4 

5 

13 

12 

9 

14 

8 

8 

·: 7 

9 

16 

18 

<1 

4 

<1 

36 

<1 

28··• 

22 

3 

44 

<1 

25 

<1 

<1 

<1 

<1 

<::1 

2 

1 

<1 

2 

29 

2 

2 

<1 

13 

1 

11 

<.1 

<1 

a 

<1 

1 

<1 

6 

7 

5 

3 

1 

9 

<1 

1 

<1 

5 

8 

1.7 

0.1 

0.9 

2.7 

0.2 

OA 

0.1 

0.2 

2.3 

0.5 

0.2 

.0,5 

0.9 

0.7 

3.2 

0.8 

5.3 

0.6 

0.8 

0,7· .. 

0.8 

0.5 

0.5 

1.8 

1.2 

0.7 

0.6 

1.3 

1.7 

0.4 

0.2 

0.1 

0 

0;5 

0 

0.2 

0.1 

1:8 

1.8 

Table A-1. Analytical results for samples from mines, prospects, and occurrences 

::: .. n:.i 

in\ '%r··. rtf )3⁄4?X .. mt ····,rr•· m···· 

<5 . 54<'JQ4~?/ . '$0~()1> ,0:2 1543 •.• .. 53 24!3 

3.68% <5 0.04 0.3 47 2.59 11 0.017 0.55 392 <1 <5 <5 142 26 <20 

'<5. 7.54% .. <5 0;04 86,5 62 5.51 20 0'.065 1;12 :~7.Q: : ?<1 ·:. Y<:5 ~5 i'.;20. 122 38 :C::20 

<5 4.25% <5 0.1 2 50 2.12 13 0.012 0.95 324 <1 <5 <5 <20 148 <10 <0.01 18 <20 

13 .... 1f:i30p/ [$5 0;2 }14il~ 2124'45 .. r ·0,112 Q.~1 ::2®.: 51 · ~5 ~!:L ~~o ~ 51P 40.Ql 14 <20 

<5 15633 * <5 0.2 0.8 34 1.93 10 0.013 0.42 283 0.03 <1 <5 <5 <20 35 <10 0.01 4 <20 

:..:s io.?4% )~s o.s 107.3 .291tss·.· ~2 o:oz5< 0~02 ··· {f §?.e. 5(tp;1 <<1 e <s <120: ,.1~ 110 ~9;01 :33 .·<;20.··· 

6 10.10% <5 0.4 49.4 44 12.37 <2 0.037 0.12 <1 321 0.02 <1 <5 <5 <20 8 <10 0.03 33 <20 

~? \t~itf• <5 . Qi$ . ~();2 . 41.< 3,34 to <().()j . o:sv 25 41.7U QJit :i1. .;5 .;5: :i;20 '.. 52 ,i;:10 >o.09 5Z . '520:. 

10 10 <2 1.1 >100.0 35 11.05 <10 0.06 <.01 <10 805 <.01 <2 <1 15 <.01 34 <10 

1 177" ,f?. o.ot [(ft 47 1.54 3 <o:·01 oAa ; 14 : 145+:O011r a · ,-;5 ><s< <W · · 2 *16 0:92 •·. , r :s2O • ........ ,,,.··••,· 

8 29.30% * <5 1.2 195 8 6.18 <2 0.086 0.02 <1 797 <0.01 <1 13 <5 <20 26 17 <0.01 34 <20 

<::5 sag t <5<0;01 >J>;9 s2 1:11 2 o.ote 0.1 14 <0:01 · f19 ;p:oa : : a ~s ,=::5 520 · · / 4 :.::1ox 0.02 ~1 .<::2Q< 

<5 19201 * <5 0.1 <0.2 55 1.91 9 <0.01 0.55 17 1.46 171 0.05 <1 <5 <5 <20 93 <10 0.02 9 <20 

• 97 · 2s9,., ~s oi1 roA 44 oJ~t; ,t;~. <;q;o.1 (r2s a1< .o .. oa s1 · 0.02 , <;:1 <s <s: '%2P< a i :~:10 ~0.01 , :c:1 <20 

7 211 * <5 0.02 <0.2 127 0.67 <2 0.012 0.04 11 0.02 110 0.03 <1 <5 <5 <20 3 <10 <0.01 2 <20 

2a 263." . · "Ss;o.01 ·. -::0.2 10 0;1s 3. ~mo1 0,2s, ao o.os ~2 P~Q§. iif1 f5 <5 <20 r ,<10 ~o:oF . •2 <20 

<5 1768 * <5 0.8 0.4 166 1.47 3 <0.01 0.22 38 0.33 176 0.12 <1 <5 <5 <20 24 <10 <0.01 5 <20 

:..:;5 ~H.": 1 ~s, o:a , iP} 111 t2a. , 3 · so:01 A:19 33 , Q;24, j~l Q;tl /~f< • \3⁄45 ~s <2o< , 1~ ~'19::fQJ11 :f):4./ <2Q 

132 121 * <5 10 0.4 100 2.83 6 <0.01 1.79 9 0.14 613 0.95 5 <5 <5 <20 66 <10 <0.01 2 <20 

c::5 24a~ <5 o:s ·. <0'2 ~~6 LJ;:27 4 <Q;0l Q.26. 37 021 20.7. : OJ4 ~l · <5 ~5 .. <20 .. > 13 :~.10.-.qJ>1 5 $2.0 

<5 329 * <5 5.1 <0.2 107 9.15 8 0.019 0.06 16 3.2 1108 0.52 6 <5 21 <20 209 <10 0.07 180 <20 

..;:5 ·· 510,. <5 0:1 50;2 157 1,Q~ 2 <();OJ 0.16> 29 '0;22 112 0,09 "<f' <Si -is <20 . 9 {l0 <0,01 ·~ <20 

<5 748 * <5 0.1 <0.2 175 1.3 3 <0.01 0.19 32 0.36 94 0.11 1 <5 <5 <20 11 <10 <0.01 4 <20 

<5 12 ;,, <:5 0 .. 1 ·. so.2 46 .QJ~~h s cfo1a o.4 s oio3 w · cto2 ><1 ~§ · <5 <:20 2 <JO .~0.01 1 ~20 

10 6400 * <5 0.1 32.9 61 >10 <2 0.139 0.18 10 0.15 261 0.02 2 <5 <5 <20 7 <10 0.01 <1 <20 

57 45?1 t -c:-5J),Q1 OA. '84· 2,~7. '<i:2 o,02i .. 0.36 6 M3 .. · :~~+,o:ot ~l :<5 ·~ff ;.::20 1 ~1;Q l<Q;Ql <1 

12 7855" <5 0.02 12.4 80 3.5 <2 0.054 0.17 8 0.13 192 0.01 <1 <5 <5 <20 5 <10 <0.01 <1 <20 

7 ?20000;' <5 0.1 7,9 59 ;?;ijf} < Z 0:0$6 Q.~} 17> ();2F > 285 Ol04 iff -<5 ~ij <;20 9$ ~1Q< (LO? i 2 <20 

46 6291 * <5 0.03 1.7 49 6.64 2 0.024 0.64 22 0.47 150 0.01 2 <5 <5 <20 4 <10 0.02 <1 <20 

6 417':0 .. · <5 o.s 1,s 64 5:27 <.2 sQ~P1 c1.2s 16 0,23 <J~§ 9:os 1 ~5 '/:~r c~2q 32 ~10./. 0.02 <1 120 

13 5820 * <5 0.1 <0.2 72 3.04 2 0.012 0.34 14 0.19 99 0.01 1 <5 <5 <20 11 <10 <0.01 <1 <20 

1s 1e934 ~ i%5 soe1 · 21:1 103 ·ad4 · · 4 cr~ea . oi5a t6 . 0A2 ) :>$io : p:94 •· t ~s ~s 520 ?4 k::.10.>. 0;02 1 :<20 

13 >20000 ,. <5 0.01 58.3 99 3.01 5 0.527 0.42 3 0.17 148 0.03 <1 <5 <5 <20 45 <10 ~0.61 

<5 382 ;,. 10 3.'.1 0.1 . 11t: 3.~9 <2 Qi??6 0..25 3 L22 ~4.f ()Jl4 t . c:;SY: 7.. :>fio. ; 551 -s10 ~0.,!U 

<5 167 * 29 2.1 0.8 178 3 <2 0.153 0.14 2 0.7 666 0.05 <1 6 <5 <20 323 <10 <0.01 

<5 ssP · · : 6 .f~ / : ({$ 58 ~-g~ >12 o:184 0.24 s Q.4ij . $$~ JtQ~L :-;1 . ,r,:5 ~s .··• f20 : Y31$ #JO. ;c:0.01 

<5 28" 14 0.7 0.4 286 1.52 <2 0.096 0.06 <1 0.23 278 0.04 <1 <5 <5 <20 117 <10 <0.01 

<5 506 .. *: > ~s q.4 '.'90.2 ts .·· t97 ,<:2 o:.1oa :o.1a ·.. 6 OJf 14§0 o.o.3 2 ~5 ~s ;,:20 37 $1J) .p.Q~ 

<5 <10 * 14 0.01 <0.2 221 0.48 <2 0.048 <0.01 <1 0.02 43 <0.01 <1 <5 <5 <20 3 <10 <0.01 

<5. · 21:ft 11 4;1 t? se 3.7tL •<:2 ;p41@. 9;11 2 :1:1~ 1ae.4 ro;o4 c; 51 :•: 'f'..G z <20:> : > s13 $n:t 1Q:Qf 

<5 11 * <5 0.3 <0.2 307 0.4 <2 0.014 0.01 <1 0.03 111 0.01 <1 <5 <5 <20 19 <10 <0.01 

~5 • e: 2aJ ... ~5 t~ iP/2 242· 1;os · ~2 q.1~ . 0.11 s ct19 . , .4E>9 ::o,os :-:;1 • 1⁄4:s ,<s .::20 133 ;.;10 .<O,Qf · <5 <10 * 37 0.04 <0.2 312 0.48 <2 0.065 <0.01 <1 0.03 88 0.01 <1 <5 <5 <20 5 <10 <0.01 

<s a31f .. ~s · fo • · ~0.2 19s ·· ~;4e ~2 o.os ctiir 11:: P:73. e.1.4 O,1.s/ ··• ct · · · ~s · -¢5 <~20 · · ··. 122 ~.10 , o;i4 

<5 705* <5 0.6 <0.2 35 2.84 <2 0.051 0.18 7 0.96 660 0.03 4 <5 <5 <20 48 <10 0.13 

<!; : . : .§14.t ss cm :io.2 : 2s 2:1a .. 2 Q.Q4s '. oas r :o,~~: : rS47 0:03 4 i: {{SJ ~s ~?o. >t -4a fW ro:12 

231 

<1 <20 

23 )~?P 

13 <20 

8 ~20 

10 <20 

. 59 <=20 

1 <20 

21 i-%2Q 

1 <20 

·s· <2Q 

1 <20 

56 <20 

68 <20 

. 59 ·<26 
58.1 467 

oa:z:.\ 1mg 

59 3821 

59 3822 . 

59 3823 

.QQ 76 

60 77 

·60 :·•·· :78 . 

60 79 

ao > ao 

60 243 

§Q ::244 

61 468 

61 469 

61 8720 

61 .8721 

62 8716 

63 .. :3ij9Q 

Steamer Bay 

§teamer~~y 

Wrangell Airport Pit 

Wrangell Airpprt Pit · 

Wrangell Airport Pit 

Salc:miander Gr¢~k Pit 

Salamander Creek Pit 

Salamand~r C:re~k.Pit.:. 

Salamander Creek Pit 

Salamander.Cr~ekPif. 

Salamander Creek Pit 

SalamatiQ~rGreek Pit 

Bruiser 

Bruiser 

Bruiser 

Bruiser 

Niblack Island 

:·•:k&OMine 

63 3691 K&D Mine 

63 3692 K&D Mine 

63 3693 K&D Mine 

:Eia . >:~6$4 .. : K&D Mine 

63 3695 

63 .. 8660 

63 8661 

$$/: ~QE32 

K&D Mine 

K&DMin~ 

K&D Mine 

l<&DMine. 

63 8663 K&D Mine 

63{: aaM · .K&D Min.~ 

63 8665 K&D Mine 

64it t: 2807 Sun 

64.2 389 Sun 

EM-lt aePe ••... • Sun 

65 385 The Islander 

65 ·. . 386 •. Thelsla11der 

65 387 The Islander 

65/ $ij8 ... The• Islander 

65 8652 The Islander 

~if ·: ~Qfi~ The Islander 

65 8654 The Islander 

8p):/ •· §p$f> The Islander· 

66 2800 Cascade Mine 

~6 · 28(11 · Cascade Mine 

66 2802 Cascade Mine 

66 3668 · · · · Ca$qade fy1i~~ 

66 3669 Cascade Mine 

~1.1n < 367Q g~scad~ Nfiri~. 

66 3671 Cascade Mine 

Table A-1. Analytical results for samples from mines, prospects, and occurrences 

G 

; er.:· 

G 

Rep 

Rep 

.G .:. 

G 

G 

G 

G 

s 

Rep•··· 

C 

0.4 

•Q.3 

0.3 

. : o:s 

0.2 

i 0:7 

1 

14 

1.6 

FL Sil, qz gs br w/ po 

FL · •··• •• P.~ie. :~fra,y $r1•vo@w"t ~i~§~rri ~ v¢1n1ijt~ 9f ppr 

TP Peg dike 

(TP .. $F:iYifl'l9i t:{gr~~it~ 

TP Alt granite w/ epidote 

R¢··• ··• : sarn$~~~t1fwrt>pi~;c;:p • · RC Fest, sil metased w/ po RC i ·. Silf~ij($q ( ··•·· ... . ..... . 

Sil fest sc w/ po 

F~$f~oo~qt ~qb~lii roeb\i$~$ 

Garnet-mica sc 

~iariite•:••.· ·• 

Qz w/ slate & po 

72 

••.•:. >s5 

<5 

~q 

<5 

..::5 

<5 

.: . -C::ij 

<5 

<•55 . 

<5 

.. iQ'.6 •; 221: 

0.4 84 

.• • P.3 · · ..... :,.:••ao> 

0.2 68 

idJ •· ~e> 

0.3 61 

r : .~0:1.. 14 )··•··· · 64 

1.9" 

ao.::• 

5 

... -,- ..•.........••. 103 

.. § 

5 

rz 

112 

41· 

25 

82 

4 

0.2 

1 

RC 

R.c· 

TP 

TP.···•·•·.••:: 

oc 

OC.<··· 

oc 

oivn ··· · ··· ···· ·· --•:.-,::::::\/: H.:}·•<,J.friLi</••·t\Ii .<~~ic . ................. -•- C 9~.~n .i.n.blk sa~dy ~lates to phyllites 

C 

Rep 

cc< 

C 

s 

Rep 

·QC/ 

oc 

pc 

oc 

oc 

uw 

uw 

oc .••.• :q> 0,3 

.. Rep 4.3 oc · Rep> .fa .. ··oc 

C 

:ss 

cc •. ::•s:· •. 

cc 

.·.· .. G•:: 

C 

0 

C 

Rep 

1.3 

0,5 

0.1 

0.1 

oc 

oc 

oc 

oc 

·FL· 

0.5 QC 

1 oc 

0.9 oc 

.0.1:•···· <oc 

0.45 oc 

q;@Q,?:P.G 

0.4 oc 

0;45 · oc 

6.5 

0.9 

qz: vn in ~em:ty ~let~ · Fel int w/ trace cp 

•··• .oi:vfr:vdf!~ijgh§ 9f grijYiμlf 

Chi sc w/ minor po 

Carl:t$9.Wf pp\ 

Qz w/ gray sulf, stibnite, po 

· q~.wtst,~riit~. :py; p~f ··· · ··· · Qzvn . 

"';ay~(9f9f@ysulf in qz ·vn : Qzvn · · ·· · · 

~v.BYimifo:>[.py~g~f$μ~:•··· 

Chi to carb sc w/ PY 

1/Veijg~qfgr~Y§l,ilfjnq~vri•r•: 

Unknown talc-like mineral 

·Gne,is~ oqtc:ropJn :~tr~~m 

Msv band of gn w/ sl 

ttqyri,qeq 99tj~1~:9f•gm~i~s WI PY & tt~cjlqg•··•·••:· . Qz-carb vn w/ py, sl, cp . ~Wwlpf< ..... Msv py, sl, cp oz~ca(l)vo: 

Msv band of py & sl in gw 

Ri-~~Hic;h.iq~eJr:i qfric~gw ... Vn of msv sulf in gw !=3~@h q~:;,11>· .. ·. ·.· .. Shear zone w/ 

sc PY 

·•· ;i q~;~ijcicitij ~2 wtJs :~ulf ·:• ··• 

Sil bt-sericite sc w/ minor py & fg sulf 

232 

~g 

179 .·.·· ·74t 

1411 

27 fas2 

·· ·1:1s··· 

1.077 * 

•:'.92:'. 

7584 

its45 

0.669 * 

:• i•>·•i••·· 47/.··· 

38 

.... ,$5. 

<5 

8.5 

L:2ai2 

0.4 

OJ' 

50 ...... •t~9· 

0.5 

12!4 

6.7 

0:fi 

1245.5 

··a.1 

13.1 

. O:f:l 

37.1 

· o::a: ·· 16.3 

4;7. 

20.2 <• -t()jf·•·. 

4.9 

}L\f#22 

59 13 

eo ····•: 1e 

8 2181 

·•·9~·• 

9 

< 103 49>· 

41 76 

'48. •··•·· <:1f 

272 9.99 * 

1ijij~? :• • JF• · . 4530 340 

:250 49: 

7463 404 

:•28+ : 22 

7.1 " 

75 

2.5 * 

. 553:· 

9.7 * 

402 

8.6 * 

1;5 ~ 

8.2 * 

3767 

~84ii 

4731 

34 : :t:• ; 256 · 

110··· > 290 

9 39 

14 

•·· 11 

8 

2 

3 

4 

4 . · ti 

5 

2 

4 

•2 

6 

. <1 

2 

6 

3 

·•.· ···;if 

4 

9 

<1 

· 23 

7 

~ 

6 

4 

4 

.............. ,2 

3 

6 

4 

3 

3 

3 

4 

7 
58.1 467 

58:2. 8719 

59 3821 

p~ > 3.822. 

59 3823 

eo is 

60 77 

60 78 

60 79 

60. f .. 80 

60 243 

§Qi 244 

61 468 

$1 ,. :469 

61 8720 

E?J/ 8721 

62 8716 

f>.~i :• 3690 

63 3691 

sa •··•····· .. ····asg2 

63 3693 

e:t · 3694 

63 3695 

133. . 8660 

63 8661 

§3: 136p2 

63 8663 

6$ 8664 

63 8665 

.64:1 28P7i'• 

64.2 389 

;a4:;t )~656 

65 385 a5.: as6 

65 387 

55· ql38 

65 8652 

§§( 8653 

65 8654 

pp) ij@55 ; 

66 2800 ea) 2ao1 

66 2802 

~§tr 3668 

66 3669 

66 3.§7Q 

66 3671 

12 

9 

7 

23 

46 

22 

39 

20 

14 

.13 

46 

14 

25 

15 

2 

:13 

115 

101 

9 

17 

8 

55 

12 

14 

119 

93 

60 

33 

17 

160 · 

23 

32 

12 

2 

18 

2() 

7 

6 

34 ·. ·33 

28 

35 

56 

98 

25 

<1 0.4 <5 

3 1.T <5. 

5 2 <5 

13 2,6·· '<5 

17 1.7 <5 

8 1:8 ·..::5 

11 2.6 <5 

8 ·1.9 <5 

4 3.6 <5 

5 2.7 .::;5 

9 2.5 <5 

1 0.3 <5 

3 0.5 <5 

-:::1 0.1 ;5;5 

<1 1.0 70 

2 0.1 523 

44 4 12 

. 2.1 8 

2 0.1 1.27% 

5 0.3 >10000 

4 0.4 70 

21 0.4 6323 

1 0.04 24 

1 0.1.. 1376 

32 2.3 26 

24 0.6 10 

10 1 50 

10 13 

7 2.3 173 

151 0.5 :12.: 

45 1 129 

·:33 :2.a. 14 

45 0.5 >10000 

0.2 31 

34 0.2 >10000 

24 1.1 1956 

18 0.3 >10000 

2· DA 85< 

11 0.5 65 

12 Q.4 >10000 

4 0.3 544 

:5 0.4 197 

8 0.4 26 

14 0.6 14 

4 0.4 <5 

488 

1154 

1012 

124: 

696 * 

933 * 

·704* 

1768 * 

995-"' 

417 

>104 

53 

k10 

42 

125,. 

382 * 

894.* 

97 * 

169 * 

Table A-1. Analytical results for samples from mines, prospects, and occurrences 

<5 

<5 

<5 0.1 

<5 0;9 

2.1 

:2,4: 

<5 0.1 

0.4 

<5 0.6 

<=5 Q;.J 

5.19 3 1.71 31 90 18 <0.01 

~t4t : 2 : M4. <5 as . 91' <10 . 0:13 

<0.2 0.51 <2 <0.01 0.19 12 0.06 61 0.12 <1 <5 <5 44 16 <10 0.02 4 <20 * 

~0;2 2.7 H1 0:913 1.12 a o.85 #.4f: q,q~ 11:U i <5 ·-:::5 a22 · >49 *10 0.11 25 <20"' 

<0.2 107 2.7 6 <0.01 0.39 2 0.84 384 0.07 <1 <5 <5 120 56 <10 0.15 22 <20 * 

<O:t 1.~6 4As :!52 :5:(ro, (L19' ~ p,55 l4§> Q;~ .A '.<::5 ii-<;5: <2Q: .. 104 $10 : 0:12 53 <:20 

0.2 105 4.73 <2 0.015 1.01 5 ·1.01 246 0.06 2 <5 8 <20 7 <10 0.17 92 <20 

0'.3 123 44!5 {2 Q;Q14 Q.65 . 6 1:25 ~.47: 6.06 ::: :3 <:5 11 <;20 10 ~10 0'.14 111 <20 

<0.2 133 5.58 <2 <0.01 1.49 5 1.57 525 0.12 4 <5 16 <20 23 <10 0.27 211 <20 

<O.f 138 3121 ~.2 -<M1 0:,9 6 0:85 1a? p.08 ~ <5 ,;5 <20 27 i1ci 0.15 80 ,c:2() 

<5 0.1 <0.2 85 6.35 <2 <0.01 2.25 10 2.24 220 0.07 4 <5 12 <20 5 <10 0.31 190 <20 

-s5 o.6 -;:o~.2 az 4.s "2 <0:01 · 1Aa a tsa 61:3> p.11 .:4ir -<s · a <20 : 30. ~10 :.(t2s· · 96 "20 

<5 2.4 0.6 206 2.17 4 <0.01 0.42 <1 0.78 238 0.13 <1 <5 <5 133 168 <10 0.08 47 <20 * 

.,;5. 0:1: . c:::0.2 40s o.n ;.::2. <0:01 9.;1:a :i~ g:2{:r : ee · <p.03 1 -::::1 ·· fl> <s 1s a, ~tQ JtQJ • 1.6 ~20 ,.< · 

<5 1.5 <0.2 219 0.6 <2 <0.01 0.13 <1 0.27 186 0.04 <1 <5 <5 54 69 <10 0.02 14 <20 • 

<:5 0!1 <0.2 348 0'.38 <2 '5.0.01 Q:02 <:1 (rOs 31 0:01 f -<5 <5 \ ~ 8 ~10 c:::Q:01 3 <20 

5 0.1 0.8 120 1.88 7 <0.01 0.49 29 0.02 126 0.08 2 <5 <5 6 <1 <10 0.02 3 <20 * 

ss 0:1 Hts: 256 . 0;81 ~2 O:S.07 p,03 <1 OJ~ At• ~C>:b.1 <4 ~ <4 ff <0.01 8 <4 " 

<5 4 <0.2 394 7.19 3 0.021 0.08 6 4.09 856 0.02 2 <5 12 <4 * 147 <10 0.23 186 <4 * 

<5 6.2 2:5 135 . 6.84 5 0.16 <1 2.42 8Q3J QJ>f 9 a <:4 "'... 280 5lP 0;01 100 8 * . . ··.25 

8 0.3 28.4 206 1.55 <2 0.02 <1 0.02 64 <0.01 <1 51 <5 <4 * 14 <10 <0.01 4 <4 * 

29 0.5 179.7 194 5.07 <2 14.4 0.06 1 0.5 103 <0.01 1 :>2000 <5 57 • 25 <10 <0.01 11 <4" 

433 * <5 0.1 0.7 125 0.25 <2 0.034 0.11 <1 0.04 172 0.17 <1 42 <5 <4 * 13 <10 <0.01 2 <4 * 

1223 • <5 3.1 64.1 150 3.a1 <2 2.os 0.1s 1 o.38 214 c;o.01 <1 24 <5 <4"' ·sr a c:::0:01 20 <4 * 

<10 * <5 0.02 0.3 218 0.36 <2 0.029 <0.01 <1 0.08 106 <0.01 <1 <5 <5 <4 * 2 <10 <0.01 <1 <4 * 

29" <5 0.1 47 276 0:59 <2 0.055 0~01 · <1 0,16 4p '."OJ>t -<1L <5 <5 · <4 t 3 <10 <0.01 · 3 ..::.4~ 

1247 * <5 6.5 2 182 6.36 4 0.15 0.16 6 2.37 852 0.01 1 34 7 <4 * 345 <10 <0.01 87 40 * 

2933 ". : <5 . 4,$ 2 77 ·.·· 6.12: <:2 ():209 ();34 4 0.39 721 0,01 . :.:f< . 14 <5 Ji'* 207 <10 c:0.01 . 38 . 26 *c 

1078 * <5 0.6 2 171 2.65 10 0.118 0.1 1 3.03 162 0.02 2 49 <5 <4 * 56 <10 <0.01 10 

14;:i4 '.'l <q 1.1 0.:6 16T 2:98 •· .. 4 : 0.:018 0:23 8 < (t5 ••· tqQ •· 0,08 · .. 3 : 15 . ;<5: · <4 !" · 45 •. :.;10 .. 0~07 40 

641 * <5 1.7 726.3 187 3.17 7 3.54 0.29 6 0.68 1549 0.11 2 1017 <5 942 * 66 13 0.08 70 <4 

44 ~ <5 0,1 .;0 .. 2 2s ;:,;:10 <2 QA~I o.oa ·•· p/ m22 1pg :P,1: A: ~5 <s < 6 ~:: : 4$ stQ. 0 .. 01 16 e.~ 

39 * <5 4 180.5 102 >10 <2 4.88 0.09 1 0.77 986 0.02 <1 <5 5 6 * 135 <10 0.04 50 <4 * 

:A!:Jij .. t < 5~ 4J (:t$ t41 g:M: · :.::2 9:J11 0;2a · ,1 2:~ 11~1 :(to4 :is1: ~tr•· $ <4 :- ;: mt i{tP 0,14 1.30 <4 l 

<10 * 27 0.1 571.6 70 >10 <2 30.1 0.03 <1 0.43 458 0.03 <1 7 <5 22 * 7 <10 <0.01 19 <4 * 

~Hj r to 10 2 n tOI~ ~2 QiHfi 50;Q1 · )<1 >Q,16 714(· QJ>1 \\di • >:~s : <5 • i'4 , 2346 151J> ~0:01 •·· ~ '<4 " 

<10 * <5 0.1 577.6 79 >10 <2 26.02 0.08 <1 0.06 286 0.07 <1 15 <5 22 * 8 <10 <0.01 4 <4 * 

211r <5 6.5 94,7 113: >>10 i:t 4.pa 0;2e• >2: QJ$$L 1114 o.q4 .:-ffi <5 a ~4 r · 1/H?. .::10 o:oa> 58 ~4 t 

<10 * 7 0.3 283.3 39 8.74 <2 18.98 0.03 <1 0.25 277 0.01 1 <5 <5 28 * 20 <10 <0.01 13 <4 * 

<m r . .:;s 10 ,xs ~1 · · o.9 ji;:2 :<toes <Ml a · o:41 <44~ Q;p2 51 s? {? · · ~4 i r :~Qt ~10 0:01 20 ( <4 .. 

944 * <5 0.3 3.5 115 3.96 <2 1.207 0.24 6 0.27 510 <0.01 <1 34 8 <4 * 26 <10 <0.01 41 14 .. 

saa."' ~s 0:1 , 3.-f 165 2]7> if o.1~% oAa · 4 QlQ4 is><o;o1 · ...;1 ?~ ~s· · ..::4 f · •••• •13· ,~10:50'.01 69 · <4 .. -: 

619 * <5 0.04 2.4 165 2.59 <2 4.015 0.19 4 0.01 19 <0.01 <1 17 <5 <4 * 5 <10 <0.01 94 9 * 

439.t <5 0:,1: >5:1 146 2.44 . <2 o.2s1 0.:16 r3 o:t12 21 <=o.ol > 1 ··· 19 $5 •· !<:.(( 3 <10: {O.(J1 10s · <4 ~ 

1068 * <5 0.8 3.9 109 2.72 <2 0.083 0.22 6 0.29 350 <0.01 <1 17 5 <4" 33 <10 <0.01 48 7 * 

1066 * <5 OA > 1.1 96 · 3.69 'ff) ;Q,Q$2 : J:);~~ q Q'.~4 ~j~f ~QiQ1 (~1 .. 8 ~5 . :::4 t 12 i51Q :c:QJJ1. 35 4 * ··• . 

767 * <5 0.3 <0.2 181 1.48 <2 0.03 0.13 6 0.16 84 0,01 <1 <5 <5 <4 * 11 <10 0.01 41 <4 * 

233 
67.1 249 

6701 250 

67.2 2857 Buck Bar si:2 2858 ·· Buck Sar 

67.3 2856 Buck Bar 

6?-4t: 1?~1< BL!ck..~ar 

67.4 252 Buck Bar 

~7:$ •· ij(f Buck Bar 

67.5 89 Buck Bar 

p7)6 253 · Buck Bar: 

68 84 Mary Moose 

68< {35 Mary lv1e>ose 

68 247 Mary Moose 

p8 > 248 Mary rvlMse 

69.1 2859 Andrew Creek 

6~f1 • 3804 Andrew Creek 

69.1 3805 Andrew Creek 

69.2 9691 Andrew Creek 

69.3 145 Andrew Creek 

·$~,g) · 146 Andrew Creek 

69.3 361 Andrew Creek 

~9.i:J'. 362 : Andre-if Cn~ek 

69.3 363 Andrew Creek 

·~9_3 364. Andrew Greek •. 

69.3 9688 Andrew Creek 

($~'.3 9689 . Andrew Creek 

69.3 9690 Andrew Creek 

69.4 ;36!> /Andrew Cre,~~ 

69.4 366 Andrew Creek 

!S~t4 367 Andrew Creek 

69.4 2848 · Andrew Creek 

69.4 2as2 .. Andrew Cteek 

69.4 3750 Andrew Creek 

c;1:1;4: • . ~ao2 Andrew creew : ·• 

69.5 2849 Andrew Creek 

69.5 > i?~$0 • Anqrew Creek 

69.5 2851 Andrew Creek 

$~-f ··. 3BOQ . Andrew Cr~ek 

69.5 3801 Andrew Creek 

6$CE:L! 28$3 . . Andrew Creek 

69.6 3803 Andrew Creek 

6917 ;368 . Andrew Creek 

69.8 369 Andrew Creek 

~SJF i 370 .. Ani:fr¢.w Creek 

ss 

ss 

ss 

ss 

s$ 

PC 

ss. 

ss 

ss 

G 

G 

·ss 

s · •·•'Rep. 

ss 

Table A-1. Analytical results for samples from mines, prospects, and occurrences 

oc 

FL 

FL 

FL 

Gn~i$s~••·sc o.uforoplh str~a!ll 

Sc outcrop in stream · 

RhyoJit~ outcrop)# ~m~~m··· 

Gneiss wt dissem po Clivri· .· ........... . 

Granite & fel vole float in stream 

.l{~μncta~fqz float ihijtrf38m 

Abundant qz float in str~an, 

Abμnqclnf qz tliJ~t Jn¢tr~rfl 

Vuggy qz 

\luggfq2: 

Qzvn 

!\tju.n~a~fq;.? .. Jlq~f in· $lreafu 

Abundant qz float in stream 

A~4riqant•qz no~t 1nw~~{Tr• Qz float in stream . 

$¢:qlft¢rtjp irj:•s.tr¢9111· 

Qz wt minor py 

911ei$s.~•· ~gout¢rgp•ht~m~ijm 

FL Qz 

·Ft i/ Qi<· 

Sc float in stream 

234 

· ·: p;~~~ ~ · · •· r1a:2 ·. ·· 34 

1.3/ 

.· ....• 21 if· 

141 .... }1$!:};2> 

24 

1 

();3 

0.9 ... 2:1·· 

0.3 

ea,·· 

6 

13 

91 

~1 .·•·· 9 

31 .· 

47 135 

3 

<1 

9 
aa< se12 

67.1 86 

~;rd at 

67.1 249 

67.1 250 

67.2 2857 

e,'.2 ·~e$a 

67.3 2856 

ij7A\' 251 

67.4 252 

67'5 ii88'. s7.s a9 

p7.li ~fi3 

68 84 

ea as··· 

68 247 

6tf U •· 248 

69.1 2859 

·§~i1 ' · 3804 

69.1 3805 

69.;2 • >9691 

69.3 145 eaJ·> •14Er 

69.3 361 

69.3 362 

69.3 363 

69.3 •··364 

69.3 9688 

~ft~ \9,6§9 

69.3 9690 

139;4 365 

69.4 366 

esA ~e1 

69.4 2848 

69.:4 2&6~. 

69.4 3750 

.~!!IA: 3802• 

69.5 2849 

'6~.§ ?a&P/ 

69.5 2851 

p8,? 3800 

69.5 3801 

§$,if /2853 . 69.6 3803 

pl,.? ~§$ 

69.8 369 

8!:t8'··•···· 370• 

~ 

11 1.2 

12 .1.3> 

12 1.3 

13 1;.3 

10 18 0.2 

t1 t7 0.4 

12 15 0.6 

28 14 . 1 · 

30 12 1.3 

29 12 >i_3: 

30 

28 

33 

·30 

31 

30. 

19 

18 

26 

15 

26 

9 

13 

14 

17 

13 

13 

11 

14 

12. 

12 

12 

10 

14 

12 

16 

14 

..:1 

8 

26 

14 

9 

1.4 

1.3 

1.5 

n 

1.3 

1.3 

1.9 

1.7 

1.4 

1.8 

0.1 

1.3 

1.6 

1.8 

8 <1 0.3 

9 <:1 0.2 

8 <1 0.1 

14 10 1.9 

14 11 1.9 

17 ·. 13 2.1 

19 14 2.3 

33 19i ··••2 

6 <1 0.5 

37 25 2.3 

5 <1 0 

14 <1 .... Q.4 

34 22 2.3 

9 2 0.5 

11 2 0.2 

37 Ja 1.9: 

26 16 1.6 

5 <1 0.4 

32 15 1.8 

27 15 1.7 

<5 

<5 

5 

6 

<5 

<5 2,69t( .. 

<5 23 

<5 ·· 101···•· 

<5 163 

. 6 t59 

6 185 

<5 161 

B 196 

8 141· 

5 91 

:l5•• i/140 · 12 649 * 

12 878/' 

695 * 

.1.18.9·~ 

<5 56 

102 6 

30 821 * 

115 676.* 

75 857 * 

54 715" 

BO 676 * 

212 

50'.) 

49 

82 

7() 

41 • 

169 

54 

220 

2741 

89 

349 

298 

35 ·. 

91 

•.• 243'1: 

71 * 

867.'.'. 

839 * 

·831" 

716,. 

1.082•:·:". 

67 * 

749 ~ 

<10 * 

25 .. ~ 

914 * 

207~ 

131 * 

A1Bff ~•· •-·. 

924 * 

<5 ~06.>i< .• 

37 1465 * 

.49 ····•1.ss 

<5 

<:.5 

Table A-1. Analytical results for samples from mines, prospects, and occurrences 

Q.14/L :fQ.Q& ., 'i1$i,5Q:Q1 ;:;4f ;.;10 ..:;0.01. ·<:4.<: 

0.1 1.02 452 0.06 <s <5 <26 <1 a o.o9 <20 

35 :p7 3 0.11 9 1.04 497: 0'.06.: · > ~Si :-;5 ~20 51 i<J0 0.09 ~20 · 

<5 2.1 36 3.46 3 0.1 9 1.09 515 0.05 2 <5 <5 <20 59 <10 0.1 71 <20 

<5 2 38 . ~t63 /3 · 0.H ••···· 9 1:08 §18 . 0;05 : i. 3< .:;5 .. ~5 is20 fJg• #19)1 9.1 74 o;?0 

<5 0.5 <:0.2 124 . >10 9 <0.01 0.03 48 0.15 614 0.03 <1 <5 <5 <:20 8 <10 0.12 1001 <20 

: ,:;5 o]· : 10:i 1 i2 · ;;-to 1 o q.q:14 o;os JIB. o;3 ? ea~r o:oa ? ii J <:5 > ~& • :s20 · : ·+ 14: ::1 ~ <L14 ~1 <20 · 

<5 0.9 <0.2 148 >10 9 0.032 0.08 92 0.44 715 0.09 <1 <5 <5 <20 18 10 0.16 810 <20 

<s u o.s 651.5.ss 4 o.Q1~ Pm 14 · o;a9 <ssir p,o4 9 <5 >c;:5 ~20 44 $1.Q /0.11 2s1 .;~o · · 

<5 1.8 0.3 42 4.39 3 0.034 0.09 9 1.06 510 0.05 4 <5 <5 <20 56 <10 0.1 93 <20 

~5 1.a o.3 34 3'.62 s 0,024 o;o9 · · 9 ms: s.oa. o:oe·· a s5 .::5 • ·s20 • · ss <1ot Ct()~ !3 529 

<5 1.9 0.3 34 3.82 3 0.026 0.11 9 1.11 564 0.06 3 <5 <5 <20 60 <10 0.1 76 <20 

<5 j;7 ·0.3 • 29 >;3:1.9 • 3 0:024 0:1 8 1;01 Cij0g 0:06 3 .$5 i~5< ·<;20 54 <10 Q:09 §2 ~20 

<5 1.8 0.4 35 3.58 4 0.032 0.15 10 1.13 621 0.06 3 <5 5 <20 59 <10 0.1 68 <20 

55 0,8 0i3 36 3;51 ;r O[Q$ .. Ck1 9 ' 0:92 ~to . Q.04 4< ~5 <5 <20 3:7 ~10 •0:08 • 70 <20 

<5 0.5 0.3 37 4.05 3 0.023 0.08 11 0.85 512 0.03 4 <5 <5 <20 29 <10 0.1 86 <20 

<5 1\~ · : o:a 35 .• ~:66 3 • 0.025 0'1 . 9 1'.02 · 501 o.o5 • f • ;.\ <5 <5 <20 .45 ~Jo . (LP9 ?74 •• ..::~o 

<5 1.6 0.3 251 6.32 4 0.01 0.21 18 1.01 1166 0.18 <1 <5 10 <4* 35 <10 0.22 156 58* 

5S bit .o:.5 26 •~21 '"~? ro:053 >o,~1 · 5 1:p4 >§94 o,os §i 55 · e <4 * 21 ... 10 0.15 12 

<5 0.7 <0.2 42 2.34 <2 0.014 0.19 3 1.04 320 0.03 4 <5 <5 <4 * 15 .<10 0.12 43 

<.5 oB o.9 · a1 4:37 9 p.oa1 · o:n s 1;55 118 o:oe... :a. :s5 s .::4 r ts ,:t10 0,21 98 · s r. 

<5 0.4 <0.2 151 3.78 <2 <0.01 0.4 4 1.14 432 0.07 6 <5 11 <20 14 <10 0.2 111 <20 

<5:0.0f .. ~0::2 281 • 0i3' <:2 IJ.Q1~ . oio3 <1 <Q.01 26 fOitH ~, ..... i!} <q <2Q •i<1 <10.50.01 > 3 <;:2() 

<5 0.8 0.6 100 2.98 4 0.041 0.22 10 0.77 479 0.09 7 <5 6 <4 * 16 <·10 0:13 79 4 * 

<5 0.6 OA 27 4.1 /4 Q.Q71 Oi21< 8 OA9 \39ffl 0:24 ... 6 <fi .i,c:5 1~· <1() Q.QB . 58 $4 * 

<5 0.6 0.7 43 3.29 5 0.063 0.32 9 0.77 986 0.09 7 <5 <5 <4 * 15 <10 0.12 77 12 * 

.;;5 o:a o.s 34 2.ei i:f P,05 0.21 10 o.66 • 3q9 crn9 e : -<s <5 $4 ~ 1a ~i o · QA §1 t4 1: ·· 

<5 0.1 0.3 182 0.34 <2 0.014 0.13 <1 0.02 33 0.05 <1 <5 <5 <4 * 10 <10 <0.01 2 

<;p 0:03: .·· OA. 217 Cf~9 ~2 :fQ.01. 0.13 "-1 <0.0.1 41 Q,Q? <:1 ·· • ~5 : <5 13t 2 sfQ 1Q.Q1; 5 

<5 0.04 0.7 193 0.29 <2 <0.01 0.07 <1 <0.01 21 <0.01 <1 <5 <5 <4 * 4 <10 <0.01 6 <4 * 

· $5 o,e :<0;2 · ~~, 2.6~ ·• \,$ · ~Joa~ 0;29 · a o o:nr < a.91 · · tK15I : t i fP ~s · ~4f• 14 <1 o · Q'1? 

<5 0.5 0.3 39 2.76 6 0.046 0.32 10 0.81 424 0.13 7 <5 <5 <4 * 13 <10 0.13 

~s o.e o;a .. • -44 s . .22 · r ·• 0;0s$ o,a2 · 9 o.a s4o .o.t~ · a\ . <;~ :~s •-•· ~4 • 11 ~10 : 0.1s 

<5 0.9 0.5 39 2.92 <2 0.045 0.28 14 0.82 533 0.03 7 <5 <5 <4 * 22 <10 0.14 8 * 

> ~5 1 o.9 3.1 :~,97 ~2 Q;03:t. 0.2a. s 1:04..... , 450 oms i § fs / :~ : : '$1kf 39 sto oJa 

<5 0.4 <0.2. 277 0.58 <2 <0.01 0.28 2 0.05 45 0.01 <1 35 <5 <:4 * 52 <10 <0.01 28 <4" 

<<s 0;9 o;:7 ·51 4;.6t> <2 :ot142 OA9 ··. s 1A6 619> ttos rs. <
 • ,a 465.". ;37 <10 oJa 1Qs . -:4t 

<5:0.01 <0.2 294 0.35 <2 <0.01 0.02 <1 <0.01 30 0.01 <1 <5 <5 <4.. <1 <10 <O.O{ <1 <4 * 

. <5 0:2 <;(t2 297 Q,.$4 <2 :<0.01 . 0.2 . 2 o.oi 37 0:01 i1 :EL .;$: .::4 t fQ <=10· ~OL01 • 10 <4 r 

<5 1.2 1 58 3.73 <2 0.069 0.53 13 1.12 845 0.06 7 <5 <5 <4* 29 <10 0.16 84 5* 

<~s: o:t 50:2 ta2: 1 .. 04 ·:1-ia ~Q,Qt' •··0J26 ·· q(.Q:04:: · ··3p,:-:q . .q:1<:· ~1·· · 1~ $5? <4.r <ij \itQ •fo.01 :::7:···· 6J 

<:5:0.01 <0.2 201 2.57 <2 0.016 0.14 1 <:0.01 22 <0.01 <1 18 <5 <4 * <1 <10 <0.01 5 13 * 

5P j,t ···•·· 1 >: •~7 4:14 ••· <2 Q:Q:21 0:21 t · LO& ~13,4 ; O:Q? . i :$.< ·•·•·• #:$. 6 ~• ti 4.f :~19 1\QA~ as• ~ :~: . <5 0.6 0.6 35 3.52 <2 0.033 0.25 7 0.87 469 0.04 4 <5 <5 <4 * 20 <10 0.11 74 10 * 

«::5 0.03 <0.2 111- q.g!:i i:2 10.01 •o:ts c::.1 0.02 52 ():09 ·. '51 • •~5 > ,;::5 . -<4 ~ 5 -:::1q 10.01 • ~1 ~4 .~ 

<5 0.6 1.2 40 4.1 5 0.05 0.28 13 1.07 589 0.09 8 <5 6 <4 * 20 <10 0.11 100 <4 * 

:ss chi· 1!3 .43< 3;2$ iS Q,.on~ 0i33 >$§ (),7S: 616. 0:$2 He ,:;$} <;5 ~2Qk: ·•~f f::~() .Q;Q9> !0. <2Q · 

235 
69.8 9692 

~~r~r ·• .$~~3: 

69.9 371 

70:1 124 

70.1 125 

7p:1 12a 

70.1 9586 

70.1 9587 

70.1 9588 

Jo!i 122 

70.2 123 

/0;2· ··431 

70.2 432 

7Qi2 433 

70.2 434 

?();4 435 •.• 

70.2 8693 

7Pi2li S?84 

70.2 9585 

70:ij \ 4aa 

70.4 120 

ZQ;4 · .· 12t 

70.4 437 zoJ · 438 

70.4 439 

zo..~·• >is40 

70.4 8694 

70;4 /.8695. 

70.5 430 

7p;~:) •. 2641 

70.5 8696 

71A ~j~• 

71.1 427 

1

?1:t .. :2$$4 

71.2 418 

12·· ·144 

73.1 101 

t$;f: • ·102 

73.1 103 

:za.2 ges. 

73.2 2610 

73:3 ~911·· 

73.3 2639 

7~}4( 98 

73.4 99 

:t~A) /joo 

73.4 263 

Andrew Creek 

Aodrew Cm~~•• 

Andrew Creek 

North Silver 

North Silver 

North Silver 

North Silver 

North Silver 

North Silver 

North Sil\lf;lr 

North Silver 

North Silver 

North Silver 

North Silver 

North Silver 

NqrthSilver 

North Silver 

North Silver 

· · North Sliver 

North Silver 

North Silver 

North Silver 

North Silver 

North Silver 

North Silver 

• North Silver 

North Silver 

North Silver 

North Silver 

• ; .. J\JC>rth Silver 

North Silver 

Northeast Cliffs 

Northeast Cliffs 

f.\ldr"tM¢~st pliffs 

Northeast Cliffs 

AMAX Molybdenum 

Groundhog Basin 

···Groi.lndhogJ3asin 

Groundhog Basin 

~rouhdhog ~~$ht I 

Groundhog Basin 

Grouncitlqg E3asfr 

Gr()undhog Basin 

·····~rpyndhog .~aslrt 

Groundhog Basin 

·<3rou11qhC19 .Basin·• 

Groundhog Basin 

ss 

s 

C 

C 

:c 

s 

9> 

G 

c···•·· 

C 

C 

C 

Rep 

s 

G 

Rep 

C 

C 

G 

G 

s 

G 

.·•·.S: 

Rep 

G 

G 

G\ 

G 

G 

G 

s 

s 

G 

G 

C 

Rep 

'OA.5• 

3.3 

.. 0;2 

0.8 

. 0~25 

1A 

2:75. 

0.5 

L5 

0.5 

4 

0.5 

.4.9 

1 

DA 

2.4 

0.3 

3.6 

0.3 

· 0.2 

3 

1 

2 

0.5 

0;2 

0.4 

J;5• 

Table A-1. Analytical results for samples from mines, prospects, and occurrences 

Metaseds outcrop in stream 

· ··• M~ta$ed$ qvtcropJrrstr~1;1m 

Granite float in stream 

qz .. ~ti!f yij wtsH gn: i;;p/pyf PQ · Shear zone w/ fault gouge, clay & sulf 

··o.c 

oc 

OGi 

oc 

6c 

TP 

TR: 

• , Q~~#μlf vh w/91'1; ~J,: PP : :.·· .. : .. : ... •.· .....•...••.•. ·.····· .. Fault gouge w/ msv gn. stringer & py ··• ·· Msvifn ifrt~qlf r ·· ·•··· ··· · · · · ·· · ···· ······ ·· · · 

MD 

TR 

TP 

TP< 

oc 

TP 

TP 

TP·•··. 

TP 

TP 

oc 

oc 

uw 

RC 

RC 

MD 

oc 

oc 

RC 

:.oc. 

OC 

OC·· 

RC 

oc\· 

RC 

RC 

RC 

RC> 

RC .. MO 

Sil contact zone wt dissem sulf 

••·Q~f~t;ilf tqij~·•·Wl gq~~~rj; il/gq•·•• 

M~vg~~.~I 

F~!!!1 ~p11~)vr~u1r 

Fest shear zone w/ sl. 

F~~i gnei~~ w!di~$ijrn 

F~st ~.ii ~~eiss Vil9!ssei111 PY 

F~~t.·.~neareci gneisswt.SPc!~E;J··~u~•···u 

Shear zone w/ gn & sl in gneiss Gdssari in faulfbr wlsi.llf .............. . 

Msv gn in fault 

Festgneissw/py 

Sil band w/ sulf 

Sil shear ;zone w/ gn 

Fest gneiss w/ qz bands & sulf 

Fest, sil l>~ncl w/ po, py; sl,. gn 

Fest. sil gneiss w/ po, py, sl, gn 

.SH f~Fdi~e w/ sulf ~ fflP 

Fest, sil, shear w/ po, qz & fluorite-filled vugs 

fl1.1~rite-- & cii~fill~qy~g} ........ . 

Fest, vuggy qz w/ blabs of gn 

fyftj ~ :py bleb$ ifr ~!I tiQ~t 

Zone of alt gneiss w/ cg gn 

F~~!,i~ij•fo~tc:1sed~ ~mijfqyqlc wl$W .·: 

Fest rhyolite 

Rhy<>life wt PY 

Sil band w/ fg dissem sulf 

Bt.granit~ vvl aji:>:in fractures 

Fest granite w/ sl, gn, po 

:fest gr~r1ite w/;~l; gn, pq 

Fest granite w/ sl, gn, po 

tvfai idlf ~dti~ > . 

MD Sil bands w/ po, py, sl, gn 

uw 

RC 

uw. 

MD 

... ·· .. $ffy9l9\¥tp~. py/W ... SI lens · · ·· ·· 

·• fylsy(fg po, grl, cpf~I 

Msv po, sl, gn, cp 

·•rvio·· 

oc · · •i~$~m ~iiifln rn~iamorphQ~~ij qgμntry xqck •. •· ··•· 

Msv sulfzone· ··· · 

236 

52 · ..• 31.\ 

20 

0.5 

0.5 

0.4 

63 

··•./a12 > :•n,:~r~ s8o 

46 46.6 130 

· 2a1 . ·.·· 11>:?e r · 49~ 

12 7.45 * 217 

::::fif 84:~Pr:••·•·· ·•··•··.··11042 

40 34.9 62 

4Qij . . 79.Jttf( · gSq 

107 33.03 * 283 

·•· 10. ••+~1.3 . 97 

26 180.1 92 

67 9Ji 47 

<5 

9· 

732 

~3 

86 

4345 

. 1165 

35 

;.;;5 

<5 

e~ r 

20 

~5 

15 

~4••···•· 

16 ·••:14 

8 

3 76 

1!U 88 ·· 

2735.8 232 

4;84 .~ .. $i'9.} 

15.54 * 904 

P.4 135 

11.5 31 

51·M2.* 20s 

5.6 29 

6.3) 

8.5 

. /···•6.4f 

4.85 * 1:eer·: 

82 

'.14J;Q· 

7 

>1,~ 

35.7 

954: 

1052 

520 

25 

146 

· 1aa 

199 

· 12ofc·· 

1300 

~4Q<f :: • 

900 

1772 

872 

.}•1.15 .. •• 

1185 

107 

.. ~~~~Q••t ... 2451 

. i,:~~···• 

4.69 * 

.. ;61\~ 

5090 

1t~OOJ .. 9.71 * 

1795 

9048 

:•434 

42 

1678 

33.47 * 

6843 

11.36 * 

10 

778 

.. :t~.7!P' 

379 

5098 

2.45 * 

.faoo 

954 

4:ziey i 

5240 

5245 10 

VI-* 14 

2.9 * 4 

2.9 .. t . 1 

8490 

9.5J.C: •· L,c;t 

12.4 * 1 

2734 4 

1.7 * 2 

145 ~2. 

87 5 

121:>t:t: . 3 

9.8 * 

1.$ 

8.1 * 

88 

391 

.. 3764 

492 

1.9'"' 

11.0 * 

1900 

1.3f: 

7231 

2 

<1 

3 

<1 

11 

.;::1 

2 

74 

4 

2 

<1 

<1 

··••4 

15 

5;91 Ji >> .... ~;1 ir 

5392 

2 

2 

2 

3 

5.06 * 9.1 * <10 

c:to 

2 

2900. ~.-6 

1.83 * 20.8 * 

• .. ,:Q.57 "< 

152 

.... §~C 

368 

. 7.7AL . <1 

16.0 * <1 

4500 <+ 2 

12.3 * <1 
69.8 9692 

eits 9693 

69.9 371 

7p:1 : 124 

70.1 125 

JQ,1' •·.126 

70.1 9586 

WiF ··(.$l:>B7 

70.1 9588 

70\2 1~2• 

70.2 123 

10:2> 4:31 

70.2 432 

70;2• 433 

70.2 434 

7'0,2 ,• 435i · 

70.2 

'7'.0,2 

70.2 

7([3: 

8693 

~$84 .• 

9585 

436 

70.4 120 

?0)4 . ·· 121 

70.4 437 

to.:4: ··43s 

70.4 439 

70:tlL •· if34P<•. 

70.4 8694 

:ioA as95 

70.5 430 

10:5• 2641 

70.5 8696 

1tir 41;~ 

71.1 427 

?fl g~:34 

71.2 418 

7.2.\X• 1:44. 

73.1 101 

73.'.l/ 102 

73.1 103 

ta:i: 2ss 

73.2 2610 

z~:~• :•2s11 

73.3 2639 

7~,4 -. 98 

73.4 99 

7ij;4 < JOO< 

73.4 263 

31 

28 

40 

50 

21 

24 

9 

5 

3 

4 

6 

17 

9 

7 

4 

8 

6 

66. 

4 

.. 1 

15 

12 

14 

11 

10 

2 

5 

7 

8 

12 

8 

21 

38 

12 

3 

2 

2 

25•· 

17 

13 

7 

T 

9 

·\·•c":···7 

7 

19 

15 

15 

20 

20 

2 

11 

5 

<1 

7 

10 

6 

6 

4 

3 

12 

5 

9: 

19 

45 

3 

4 

3 

2.9 

41 

4 

3 

<1 

<1 

5 

7 

18 

6 

.12 · 

23 

2 

<1 

<1 

1 

17 

13 

18 

34 

6 

26 

8 

11 

Table A-1. Analytical results for samples from mines, prospects, and occurrences 

1.8 129 912 * <5 0.7 0.9 46 4.08 5 0.054 0.44 17 0.89 841 0.16 7 <5 <5 <4 * 24 <10 0.11 80 14 * 

1.9 106 ss2 <ta QA 42 >a:a~ T:yq ::mP4~ :Q-~?: 11/ 0:03 ses :q.crz 1:.:. <tr :5 $4J> ·• ~o -sto Oiti: ~1 at) 

1.7 26 1334 * <5 1.2 1.2 37 4.27 4 0.027 0.21 7 1.03 322 0.1 8 "<5 <5 <4 * 41 <10 0.12 103 <4 * 

0:1 .120··• · :•<tot \ '<5 r:a ?~17 .zt11-1s. <2 v1:3s o:oa · •··· 1 ·0,1 •· 4351 ..:o;of • .;.;1 · ·us •·~5 4B?N': §Q 1tQ .. fQ.of• 021 J4t 

1.2 228 433 * <5 0.3 53.5 147 5.63 <2 0.055 0.2 7 0.39 6521 <0.01 3 9 14 9 * 9 <10 <0.01 65 <4 * 

0:7 1372 .<1Q\ -<5 0.8 228 100 8:14 .. ;c::2 OA4· Q.Q4 3<. Oi4·4" 5142 $(}.()1, i :a > ~QQ .'$5 1ett .Y 41 k1Q ~(tQ1 171 .-s4•··1''••. 

0.8 37 280 " 8 9 221.4 54 7.05 <2 0.076 0.14 7 0.62 14801 <0.01 3 61 <5 70 * 243 <10 <0.01 17 <4 * 

o .3 ··· 3a •. , : ~-tQ r · f> .:t 2a4;a. . a1_ >~;~? ~2 0.124 Q;Ql :1 J),.~ ,, §2$P $:Q:.qr ;.;1 c · aat_ . <s 2a4 .. < < 63 · : 1.~ '.3⁄4Pi 91. .<5 n·-;4, ·_ 

0.4 67 <10 * 9 3.2 53· 36 27.46 <2 0.021 0.03 <1 0.77 >20000 <0.01 <1 <5 <5 117 * 57 <10 <0.01 <1 <4 * 

.,. ·: · 1 80 <1 0 f . ~5 p:.qt I e2~:9 60. 13;6 '$2 : 0.303 OiQ$ ( 1 QAA . §Q~?J:().()1 \~1 161 • i~5 370 L: 5 18 io:ot ?14 14 J / 

1.2 47 <10" <5 0.2 903.1 87 8.07 <2 0.282 0.05 <1 0.58 5839 <0.01 <1 105 <5 165 * 2 24 <0.01 17 <4 * 

1:8 96: 16t~ • <JiJ:l.P~ r>21 · 91 a:2 a o,os2 0~1a : &> o:69< ,6~a:~q:q1? ~1 ) <s: n:·~5 34ft 4 gfftL);o.to:f wr <4 * 

2 6 77* <50.03 197.7 108 >10 4 0.117 0.17 5 0.58 6802 0.01 <1 13 <5 38* 3 19 <0.01 39 <4* 

0,7. 105 ?~?; <5 0:1 t1 152 4Jl5 4 O;Ott 0·:29' \ ~ 0:1 948 -c:Q;QJ{ ($} . Ei -<l5 . 72 * p :$1.0 <Q,Q1. 28 <4 "'. 

1.6 <5 1001 .. <5 0.3 0.5 162 6.24 4 <0.01 0.38 4 0.56 732 0.05 <1 <5 6 <4 * 10 <10 0.08 108 <4 * 

2.1 10 558 f. <5 >10J 9:!i 67 ·· 7 } 4 Q;Q1Jt Q.27 : q 1l04 • $9?$ {()1Qj /'51 ~5- · (F 501> • A kfo :-;Q.;1)1' 52: :6 !. 

0.7 57 <10 * <5:0.01 838.1 35 9.38 <2 0.188 <0.01 3 0.41 6308 <0.01 <1 558 <5 279 * 4 52 <0.01 17 <4 * 

1A 63 6t 1" ~5 o.o3 124.a 1s11~.ts. ,<2 0.01:7 0.1.2 < 2 0;e2 A§9~ ;#Q'.91 ~f. · 11 : .;::ff 41:, · .J:: •tto. ~tj;qy 12 14* 

0.7 123 <10 * 7 0.1 499.7 52 21.67 <2 0.168 0.02 <1 0.37 2688 <0.01 <1 84 <5 73 * 1 <10 <0.01 1 <4 * 

2.a <s &47::i 1" <5 o.s ro:e 124 s.oe rs 5tun < QA?'r 3 .1;sa .: ~~~i QJ7 ~1 · f5 /as P r · 1a ~10 0.1 e 2~7 <4 "' 

1.6 770 206 * <5 0.9 6.7 127 2.68 14 <0.01 0.7 5 0.2 225 <0.01 2 8 <5 32 * 6 <10 <0.01 36 16 * 

0.2 : 1534 5.10' iis 0,01 32.3 63 i~ i:~ fil1$~ Q4Mr 1 0,02 92 <o'.of: ii : 94~ :Iii<§)4~?AT • g ~lP 1Q;Ql• 2 . ;94 i< 

1.1 123 281 * <5 0.8 2.5 145 1.72 7 0.013 0.44 2 0.14 369 <0.01 <1 <5 <5 17 * 4 <10 <0.01 30 <4 * 

o.4 (35 M ~ <.5 ·t4 9a .. 1 21 ;-,10 <'$2 ,QJ)7 o.ua 2 0.2a · g221 {q:qf : :c;1 ·· ~s: i<s 47} 1a 1s .;0:01 · 11 •·· M 11. 

0.5 375 <10 * <5 0.3 594.2 52 >10 <2 0.208 0.06 2 0.22 1997 <0.01 <1 37 <5 178 * 8 40 <0.01 13 <4 * 

0;5 94 . •:39. <:2 Q:2 1(Ls. 265 ,1:99 :;f:19 QiQ~ PA• :<;tQ OJ16 ·~pff. ~;0_1 . f ~2 2: 4 ~,Qt 48 :i'tP< 

1.4 100 401 * <5 0.7 3 150 2.25 7 <0.01 0.54 3 0.33 473 <0.01 <1 <5 <5 10 * 5 <10 <0.01 36 <4" 

0.1 . s <to r 5~ to · <o.s : 60 o;~.1 ;.;2 iP'.01 o.;32 · ~t o;oa i ~7 p;~7 •~t ;;r ..:s .;st s , 37 {10 ~0;01 v a · ·~4 • 

0.6 38 21 * <5 0.02 1.4 180 3.37 3 0.106 0.04 1 0.32 733 <0.01 <1 16 <5 39 * <1 <10 <0.01 15 <4 * 

• o.s"?10000 79 <20,01 >2 2e2 i.22 ,..:;10 0101 o:2a ;<StO:: :0.03 so i~ .. ot ·, 1§/ ti a >..::.01 · ~ <10 

3 6 1077 * <5 0.2 22.4 61 >10 8 0.012 0.19 3 1.44 3451 0.02 <1 <5 10 117 * 4 12 0.01 121 7 * 

3-4 <5 · 239 ! <5 1.3 51:9 48 ' ~Mi 8 o:dts 0;14 <1 L04 !:!87 0;25. i/9 • <5 ~5j 2P~ t t~l 110 0.09 1.QI 4 

2.2 5 927 * <5 0.5 4 50 4.07 3 0.011 0.43 <1 0.63 705 0.11 5 <5 <5 119 * 31 <10 0.05 55 <4 * 

4.9 6 L674 t > -;5: i.2 It .11 ,5.Q& iS '~!l.91 . PJH} <1 1,17 <.• §~2 O;&t 40 . : ,:;j): .·~••: 58..J • 1.54 .51.Q fQ.}2 1Q9 

3.5 18 253 * <5 1.9 20.4 182 11.41 19 0.019 1.38 <1 1.37 2858 0.01 6 <5 8 1941 * 66 <10 0.04 

1\3'' <5 As, ~i:·ois :0.2 1:q~ io4·:..:.~ -<0'.01 0A 5ij\0.25> ·tt§: Q/1 4· ·i::s<:$5? 4t: 9 :<510 0;01 ··'l-:IIC:i>•'l<:I 

0.6 45 68 * <5 0.03 53.4 94 1.66 2 <0.01 0.4 4 <0.01 57 0.01 29 <5 <5 311 * <1 <10 <0.01 

o,~· . . . ........... . ~s:0.01 109:.r ss:·• :• 4 ·· :-;2 fP;P1 /:Q-3J3 ·· tr~P-91/ a3 @1 :Iso ~§/ fQ · 14~r· · ~1 ~1Q ko.01 

0.9 <5 75 * <5 0.2 60.9 78 2.74 4 <0.01 0.45 7 <0.01 46 0.05 5(). <5 <5 108 * 2 <10 <0.01 

1..2 • 4za.: r4n.. ..:.5 .o.3 ~e1.:r 411.~.0~1. <<2 0:10.t \o:32 2 o,se §~1 ··• 0.02> ~1+ 1q4\ "'? c113oot r <:t ~no ro.os 

1.7 310 <10 4 0.2 >100.0 66 14.15 <10 0.05 0.84 <10 0.89 955 0.03 56 7 5 0.14 

0;1 12 <10· t38 o:2<:i-100:0 ... ??~M~,oo <1d 6:'Z4·· 0:14 <!;lto· oA :315 1\9t · T@f )2:· ::•.1 · o.oe 

0.6 202 10 64 0.01 >100.0 24;15.00. 10 0.34 0.17 <10 0.17 495 <.01 4 1 <1 0.01 

0.5 2508 ~o ~\ ;,;;5 O,i2 • 504;.7'/. '2730,95 <Z 0.229 Q:2ti - 1 0.13/ : :~fiq. ~0:01 :-::::j .. 9$( k$ 1604 t • -·. • 5 i:;1d ..::0.01 

1.9 1487 26 * <5 0.2 1040 13 24.38 4 0.06 0.17 1 1 718 <0.01 <1 <5 <5 6115 * 2 14 0.02 

2;3 $ : llQ$f: · ?31 1.8 27;6 :<43 4A ,:2 001:5$: }Q.64 . 3:: J.Q1 813.\ 0:15 <p • -~~): \ ~ ·29()/~•: 45 :C:JQ 0'18 

0.5 3930 <10 * 53 0.1 823.6 23 27.56 <2 0.036 0.17 <1 0.09 259 <0.01 <1 <5 <5 65 * 1 20 <0.01 

237 

<1 8 * 

59 59 

86 10 

22 10 

9 <10 

. 12 1.26 

34 326 

Q?. :<4~ 

5 223 
75.2 133 

75;2 •. •t:J?92. 

75.2 9593 

75:2' 9594· 

75.2 9595 

75:2 . 9596 

76.1 2642 

zed> 2643 

76.2 440 

?~it·.•.·.•·. 8697 

76.2 8698 

77l: JM1 

77.1 442 

7z:1•······· 443 

77.1 444 

:71;1 Ms· 

77.1 446 

77:1: 447 

77.1 448 

Copper ZqnEf 

Copper Zone 

·•· .Coppef4gtj~ 

Copper Zone 

QopperZon~ 

Copper Zone 

Copp~rZone 

Copper Zone 

qopperZonj:i 

North Marsha Peak 

North Marsha Peak 

North Marsha Peak 

North Marsha Peak 

North Marsha Peak 

East Marsha Peak 

East Marsha Peak 

East Marsha Peak 

East Marsha Peak 

East MarshaPeak ·. 

East Marsha Peak 

East Marsha Peak 

:77:1• 449:··· 

77.1 450 

East Marsha Peak 

East Marsha Peak . 

East Marsha Peak 

77ft \451 

77.1 452 

·11.1 453· 

77.1 8699 

774 8700 

77.1 8701 

77irt: . )37;Q2 

77.1 

i:tf 

77.1 

::rr:r 

77.1 

77;2 

77.2 

77;2,: 

8703 

8704 

8705 

6ZP6 

8707 

134 

135 

9597 

· E:i:1$f Mc1ri;n~ P~ijW 

East Marsha Peak 

East Marsha Peak 

East Marsha Peak 

• •. E:ai:;t Marshq P~ak 

East Marsha Peak 

.··• e:c1st Mars.ti~ Peal< · East Marsha Peak 

East Marsha Peak 

East Marsha Peak 

.Ec1stfy1ar#ha Pe?~ 

East Marsha Peak 

East Marsha Peak 

East Marsha Peak 

f;ast MarshaPEl~k ;:: 

C 

:c 

C 

C 

Rep 

• .R,ep 

C 

C 

s 

SC 

SC 

SC 

C 

\C 

s :S 

C 

C 

C 

·••• ii C 

C 

>sc: 

SC 

sc 

SC 

$c 

Rep 

C 

SC .. SC 

C 

ii$ 

G 

s 

Table A-1. Analytical results for samples from mines, prospects, and occurrences 

0.45 QC 

0~7· QC•· 

0.5 QC 

.·Q2 QC 

0.4 TP 

0.5 QC 

0.4 QC 

2:4 TP 

QC 

1@0:12s.JP 

4.7@0.12: TP 

····u@P-12:TP; 

6.5 TP 

·2,2 oc 

0.4 TP 

Q,2 TP 

2 TP 

>3 <<• TP•• 

6 TP 

~,§ .• If:?. 

7 OC 

~@0i12$RC 

10@0.5 QC 

10@0,~) QC 

10@0.5 QC 

<.10@Qcti oc 

1.5 QC 

o'.s oc 

10@0.5 QC 

:>l1@Q;5 de··. 

2.1 QC 

0.3 •.QC 

0.3 QC 

:oc· 

Msv po, sl, cp 

.. ·. Sil; f~~t 9flE1!~~ wt cp ih f~pty~f \··• 

Msv cp in sil gneiss 

•• sand tit $1, go · ·· ··· · Gossan w/ cp . 

Sil GQIJt~ct WI cp( pp; SI ... : 

Sil contact w/ cp, PY 

. Sil coo~c::tw/J>y I cp 

Sil c~~tact w/ GP.•. PY ... ~f:ln~gf cp8t$1)n gn.:~i~¢> 

Sulf along a shear in trench 

Vuggy,.f~~t• §il]jri<I lh $ct~• gn~i$~ ·· 

Fest, sil br w/ po, trace sl · · 

... Frf,lctQ(e ZP!l~ W[qf .&.sμlf@rt1y9lit~~9D~iS§ qoqf~c.t 

Vuggy fracture zone in gneiss 

F¢~i,sti~~t ~qi~\y{.p9/s1\ gri 

Si[ ~cme w/ ~parse ~~~f 

F~§L~h~fii?Qfl~WiPQ;.s1/gq· 

Sheared, fest gneiss w/ po, sf, gn 

•· Gi:~4tf p~rtgjv/ sl; gq,qp 

Qz-sulf bands w/ po, sf, gn, cp 

Gray sylfYi/.py .. 

Msv sf & gn in gneiss 

. Si( ~st; 1J9F-r/qh{9gkwltjr~ij~ of ¢p{$L go .. •· 

Sil, fest, sheared gneiss w/ po, sf, gn, cp 

: : t~tt. ~n griei~s :~( pp, ij!)gri . . .. 

V~~gy, fost 92 v~ ~/ .~ulf 

VIJggy; f~~t 9?>V11Vl(pq; s(gij• 

Fest gneiss w/ dissem & stringers of py, po, gn, sl, cp 

E~~fr$ilgn~is$ w/gij, py{pq; sf, c.pf . . . . ....... . 

Fest, sil gneiss w/ gn, py, po, sl, cp 

F~ifii!.goj!ij§wlgfWpy; pi:>)~tigp· · · Fest, sil, alt gneiss w/ py, cp 

l~oigf 9i~$~rn.i1 Jo qjifr~gMij.~?n~···j~ ~il:9n~,~~.••······ .· .... 

Qz br ~~ \V/ fluori~e, PY, sl, ~n,~p i~ ~~~tu red gneiss 

. Az br Y!\Wf PY,: gn; $.lin mi.c;:aj~~ gn~,~~ 

Q;?:~fill~d f~~.~tur~\V(~I ~trinij:~~ i~.gr~iss 

ln;~gularyμggy q;a;vnwltiPli•~ksn •·•····· 

Vuggy, fest qz vn w/ sl 

G~e1$$Wlmp· . 

238 

30 

··4sao ·· 15 

/·•:·.;::5 

<5 

······•··• /1~: 

5661 

~~>. 

·:•:::.;;5 

18 .•.· .. ·••··: ~s· 

272 

.· 1:3$;· 

6 

~5. 

6 

115 . 

9 

(.;5 / 

19 

36.9 

<5 

7. 

17 

>~.,r•· 

8.17f·· 

16.07 * 

>.3(:).8 

19.65 * 

12;1 

19.2 

14:4 

2.09 * 

16~91X 

a.a· 

1.2: 

3.6 

·.·53Jf(.•• 

9.6 

··t1.3:9 

3 

1m 

51.6 

139'.3 

49.6 

:?v:t 

11.1 

· 78.7 

13.7 ..... ·•::14;3( 

25.1 aj,• 

20.1 

u;a 

33.7 

9;5 

38.2 

·····32•· 

19.4 

a::a·· 

12.9 

•1:Jt··· 

8.1 " 

. <~204:: 

2.2 * . . 1088 1.71 * 

2;5;, • 

2.7 * <1 

658 

1947 

7415 

·1,4, 

. 59 

1190 

151 

41 

225 

600 

• azot>·· 

1144 

· 282 

1.3 * 

··7808 

906 

5613 

14.5 * 

540 

2933 

1;3 * 

? 

10 

·a 

10 

8 

10 

.6 

7 

1.7 * 

·•· 275: 

69 

3899 

47 

858 

92 

250 92 

1,9t.\•••····· 

?7 

5 

5 

6 

• a4e 

3523 

71§9.\ 

785 

·Jp90/ . 

2443 

•··2,2."• 

831 2.4" 

. 7?~ Q }/ : > i.:42 f . 9.4 :" 

353 490 

145 i556 

405 2.04 * 

37Q 2186 

1.5 * 

· 3750 

1.7" 

1;2? 

196 7849 1.3 * 

j>t3 < 135f•····· .·.· 2~6.•·" 

3834 139 2.8 * 

419 { .27~t ... · :/.10.7t 

2543 3792 9833 

·· tEiq~ ij;i~fr < 1:s t · 817 492 1.4 * 

:s1a /P~~P ,,1sz 

655 932 936 

i 89> >\jf • 72 > 

.:·re 

2 

?,Z 

5 

.••.:·••-;.1 

30 

2] 

3 

2 

10 

4 

.103 

48 

ai:, 

288 

6 

12 

17 
M~1:r §~ffiple Ni:ii <No? · .. 

73;4:/ •·•·294 

73.4 2612 

74 428 

74 8690 

74\•: ij691. 

74 8692 

75'1 127 

75.1 128 

itL2: :1aq 

75.2 131 

75 :.2.C · · 13.,t? 

75.2 133 

7:5;2 9592 

75.2 9593 

75;2· 8594 

75.2 9595 

75} '9596 

76.1 2642 

76:1: 2643 

76.2 440 

7tt? r 869T. 

76.2 8698 

7701: 441 

77.1 442 

77:1. 443 

77.1 444 

J7;1"" 44.5. 

77.1 446 

77.i <447 

77.1 448 

77;1ii 449 

77.1 450 

Ttt. 451 

77.1 452 

tt.f 453· 

77.1 8699 

nJ< a100 

77.1 8701 

1tt ·•·a102 

77.1 8703 

ttf .. ~704 

77.1 8705 

11,1:• 8706 

ii.1 8707 

7t2:. 13.4L 

77.2 135 

zt.z as~r 

7 

5 

12 

15> 

7 

124 

64 

122 

7 

63 

·.•··11?0 

1 >10000 

2 0.8 ...•• 70· 

Table A-1. Analytical results for samples from mines, prospects, and occurrences 

<1 0.6 89 <20 * <5 0.8 <0.2 247 0.87 4 <0.01 0.25 2 0.06 119 0.01 <1 <5 <5 1089 7 <10 <0.01 25 <20 

2 U 292 418 " -;:5 oA 1.4 245 4.09> 3 ~Q,01 o.w :::& Q.4-t 1$72 '.SO.Of • ~;: J5 5'.5i e.ot< .. \4 51Q };Q,Qt 54 .54'.' . 2 0.4 50 194.. <5 0.01 1 214 1.45 3 <0.01 0.11 2 0.13 518 <0.01 <1 <5 <5 11 * <1 <10 <0.01 21 <4 * 

14 o.5 sea 2320.. 50 oJ>4 s.9 · 1s3 1.21 · ·<.4· ,;Q.Qf t:t33 · •(i · p;os 1$1 0-.01: • ·sr <5 · .:::5 35 t ;.;;10 ~0.01 ·· a <4 * 

201 2.2 9 106 * 431 0.3 225.1 78 31.7 <2 0.025 0.46 87 1.22 847 0.01 <1 <5 7 109 * 10 <10 0.02 83 

73 2:6 .. 63 129 .• 177< Q,§ 44"4 169 ~-8~ 4 .0'.018 Oi3 . 4 0:69 2743 Q;02 L7 ? ~5 6 520t 27 c:;tO( Q.Q1 }93 

310 0.7 171 188 * 529 0.2 63.4 90 17.45 <2 0.023 0.31 2 0.09 299 <0.01 20 <5 <5 321 * 12 <10 <0.01 <1 <4 * 

2s o.s>10000 ··· 240• .. • aso:01 ~4ia.a. 1.21<a.19 · ,i;2 o;oi.1 :ct~~ >1 · :cros.· · 19s ~0.01 .sri · ~s ·<s i4s•t:( · •..;:;r 11 ~oio1 2 54·~> 

495 5.1 1195 202* 534 0.7 120.3 3121.95 12 0.049 0.47 2 1.29 6367<0.01 5 <5 71728* 40 <10<0.01 87 <4* 

8 6 1 9 926~ 22_ 0.1 L9 119 1.57 ·3 <=0.01 .0.4 6 0:1 257. .. 0.01 5 <5 .<5 78.*· 3 ~10>•~0,0f 

20 9 2.6 <5 <10 * 15 2.4 84.2 140 5.29 6 0.016 0.32 5 0.93 1998 0.03 4 <5 <5 61 * 15 <10 0.01 

65 95 H T <10 * . 45 0..4 66:6 1.58 14.44 ···~ 0:014 OM ~L 1;Q7 /~8Q <0,01 : 1 <'5 e 48 t "4 5jO. c;Q:Q1 !R <4 * 

36 39 1.6 57 277 * 14 0.4 7.8 287 4.7 4 <0.01 0.17 10 0.37 751 <0.01 5 <5 6 57 * 5 <10 0.02 72 12 * 

10 166 3,a 322 164 "': 1:1~. sj:: 29.J 19 24i52 4 o.oaa 1As 2 o:91< . 557 o::n•:- 1a <=5 9 240, 2s sto 0.04: 85 ·. <4 ... 2 59 2.8 34 30 410 0.5 >100.0 32 4.96 10 0.08 1.19 <10 0.32 990 <.01 2 2 18 <.01 43 <10 

4 

19 

6. 

3 

22 

7 

22 

14 

4 

11 

11 

19 

20 

26 

15 

9 

13 

21 

29 

29 

21 

28 

13 

8 

·5 

14 

13 

8 

13 

1 

20 

:5 

<1 

17 

1 

12 

14 

10?. 

37 

60 

31 

10 

18 

59 

12 

5 

16 

15 

10 

24 

38 

78 

9 

14 

14 

10 

3 

2 

4.5 

0.9 

0.5 

2.3 

0.6 

-~-3. 

2.7 

0.9 

0.7 

0.4 

2.1 

.2.3 

2.5 

2:6 

1.4 

1.9 

2.2 

2.7 

1.6 

2,6 

1.1 

ts 

1.7 

.. 1.2 

2.3 

>2.1 

1 

0.7 

92:. 30 a .:::;01 s 312 s:13 <to Q-Ptl 9:1~ ~10 ro~1s 300> :c:;;01 ;.;2 1 <01 23 <10 

27 141 * <5 0.6 20.6 93 >10 11 0.01 0.19 6 1.38 5922 ·<0:01 <1 <5 5 <0.01 96 

33 1pot sa 0.2 1042 1a2 2.1a 2 c:;0;01 o;aa :A o.1s:::•2a6F<(to1 ~1 · ~s :.-.p 433!'' ~o 1.s:5Q:01 24 

26 <10 * <5 10 0.5 66 0.57 <2 <0.01 0.23 3 0.03 142 0.4 <1 <5 <5 10 * 37 <10 <0.01 6 9 * 

21 459 * <5 o.5 fs9.4 114 · ~Ag z Ma ·.:ct2e · 6 o;a1 20M sttor <tt · /~~: •····•~~·•. ::121 • A· · 22 kb.or s1 <4 1:: 

19 49 * <5 0.2 22 236 2.36 3 <0.01 0.14 2 0.16 436 <0.01 <1 <5 <5 11 * 2 <10 <0.01 8 <4 * 

33 693 * > 55 m3 126:7 131· 13..01 : •5 ~p;Q1 i Q.37 7 o.a1 IJ~~§ fQ.Q1 !51 <5 <5 112 ! 6 Jf:3 i<Q.:Q1L q9 ~4 1< 

31 1180 * <5 1 102.9 89 6.35 8 <0.01 0.55 10 0.83 1726 0.02 <1 <5 5 121 * 20 19 <0.01 78 <4 * 

sa ;;10 :-: ss 2A ;:,,-2000 a2 ~10 r~ ();145 0.21 s1 /o.2s · ~§§§ ~0,01 .;:1 :- : 47 ; • •~s 1aa ~. , 1.2 · 1::7~ ~0:91 20 54 , 156 <10* 35 1.5 861.8 127 >10 3 0.106 0.11 1 0.24 1228<0.01 <1 28 <5 829* 30 45<0.01 29 <4* 

n <to t s9 pJr 1 os1 to · •~.10 a o, 112 0,19 1 · • 0,01 • 1~~ 1Q,Q1 11 :. ai i <s 2#&a ttr n4 r 4$ $0.J)f 12 

20 99 * <5 0.3 1273 61 >10 3 0.113 0.2 5 0.91 3763 <0.01 <1 57 <5 80 * 5 31 <0.01 47 <4 * 

· 11 · ,. a6 .F 24 : a.5 1a1.a 133 a.1t:L · a p.qi# Oi39 e : 0:16. :: tr1~ :o;Q?t · <f ~s : ~t> t 1.e6f ·· 133 · ?2:.~0;01 · es ~41'.;,: 

77 1158 * <5 0.4 225 141 7.62 9 0.013 0.27 12 1.28 2125 <0.01 <1 5 5 113 * 6 23 <0.01 104 <4" 

41 sso>* ra o.s 776;2 •a1 ?tO 9:· o:oa1 o.3 1a❖ o;as :?~??•.o:gt · ·;,:;f .···· • 1e•· a 368r 21 43 \.0:01 122 .:::4.t 

679 62 * 7 6 63.8 152 3.26 18 <0.01 . 0.23 2 1.61 3656 0.05 <1 9 <5 35 * 35 17 0.02 30 <4 * 

59.7> : :74 ·• • 6: -2:9.· 36:2 24a 3.aa <17 ·0.012 Q.s:L : t tJa 1$41 :<0;01 ~t 11 #5 2e..~:r 25 <tt :-;:o.of. p4 10 * · 18 420 * <5 1.6 124 137 9.9 4 0.018 0.41 8 0.81 2529 <0.01 <1 15 <5 83 * 29 19 <0.01 66 <4 * 

7 672 ·". . -c;5 2,5 88'.1 77 879 6 s0.01 0.26 9 · 1;37( j37b 0:01 . ;,;:1 -::5 \6 159 !': • . 62 15 L 0.01 •··•·· 99 

28 412 * 8 2.1 103.3 66 6.15 2 <0.01 0.26 3 0.86 2291 0.01 <1 7 <5 43 * 44 14 <0.01 45 <4 * 

20 738:~ · a 1 226i5 69 <7:3. 7 :· 0.016 0(37 i.11 T::9~~9: :2?2? .10:01 ..::f .... :><5 : :: s .11ai ·•··. 24 +ta ~0.01··. /s2 ~ .. •·· 

20 57 * 5 0.2 268.8 227 8 2 0.041 0.1 5 0.32 1043 <0.01 <1 11 <5 119 * 8 24 <0.01 43 <4 * 

16 <101 <5 0.1 966.4 101 7.33 7 Ci:085 9,04 • 2 0.81 J?{3~q :SP}Ol -51/ < 29 ~5 !Hi! 4 43\$0.0t . 57 . c:4•.•"' ··•·. 

82 139 * 9 3.3 91.9 210 4.17 8 0.024 0.52 2 0.63 1374 0.02 <1 <5 <5 152 * 36 21 <0.01 60 <4 * 

1489 2s •L r1a 6 .. 5 · aa .. a toe: a;o2 11 i.:::o;o1 0,14 ~1 1:;21 s0a2 0,04 .i::1( 44 ;;:5 155 t §Q .11 "Q:Q1 22 ~4 ~ 

12 609 * 19 2.4 107.7 190 3.85 6 0.018 1.01 5 0.62 1959 0.02 <1 <5 <5 72 * 45 14 <0.01 74 <4" 

22 _ 147,i, <s · Ls 54 .. s ·210 4:01: · 3 <oJof · o:s.2 2 0,11 1p4~ i>:Q) • fE>/ ~s a 14 f .1a 11q ro.q1 ?9 r.~4 

38 32 * <5 0.1 5.2 250 2.82 2 0.024. 0.13 4 0.21 586 <0.01 2 <5 <5 47 * 1 <10 <0.01 30 12 * 

1.~. t .1 ~13sr > s 0:1 io,2 ~3s · •~j · -s2 ~0:01 0.21 e o:2e 12ey dio.:r : ·4 : : :~s. +~su: '%4 n<, · 2 E10 };Ci.Qt .as 

239 
78.1 116 Nelson Glacier 

?~;.1 · 117 Nelson Glacier 

78.1 118 Nelson Glacier 

:7~/1 1)~ •· N~l!:.QnC3Iaci~r · 

78.1 

x~:1·· 

78.1 

78'1 

78.2 

78S? 

78.2 

?9J 

79.1 

7'.~);1· 

79.1 

19,1· 

79.1 

79j 

79.1 

79.2 

79.2 

7:9;2 

79.2 

79,2 

79.3 

Z~):l? 

79.4 

•]$;4> 

79.4 

9580 Nelson Glacier 

9.58.1 • .. · N(:}h;e>n G IMier 

9582 Nelson Glacier 

•• 9583 Nelson Glacier 

129 Nelson Glacier 

9589 Nelson Glc;1cier 

9590 Nelson Glacier 

422 · Huff 

423 Huff 

"124 Huff 

425 Huff 

42f3 •• Huff 

2836 Huff 

2837 Huff 

2838 Huff 

>95 · Huff 

97 Huff 

261 Huff 

262 Huff 

4:20 . Huff 

92 Huff 

93 : Huff 

90 Huff 

91 •• Huff 

254 Huff 

79A 255 .·. Huff 

79.4 454 Huff 

7~ .. p ) : g~~ Huff 

79.5 259 Huff 

79,6 25'? Huff 

79.6 258 Huff 

].9.7 S708 Huff 

80 143 West Nelson Glacier 

80< 9602 . : West Nelspn Glacier 

80 9603 West Nelson Glacier 

81/: 213p13 . C3IacierBasin 

81 2609 

82J ..• ,376 

82.1 377 

~?t'. 378 

82.2 379 

~2.;2 A p~O: 

82.2 2613 

Lake 

take 

Lake 

Lake 

Lake 

Rep 0.07 .. •Rep .. ···oA 

Rep 1 

gap o.s 

Rep 0.8 

8~p 0.5 

Rep 0.2 

Rep 0.4 

Rep 0.65 

R¢p• o:s·· 

Rep 0.5 

·c a 

C 5 

Rep 

s 

G 

Rep 

G 

~ep• 

Rep 

~ep 

C 

. Rep 

RC 

R~P 

Rep 

s 

C 

•\•·•·c:. 

C 

C 

•·\CH 

s 

Q 

s 

0,7 

0.4 

0.7 

:52: 

2.5 

0:3 

0.6 

0,2 

5 

:1,4 

2.7 

7 

0.3 

4 

1] 

2 

0.4 

Q:{5: 

0.2 

.. 0,25 

Table A-1. Analytical results for samples from mines, prospects, and occurrences 

FL 

FL 

FL 

FL 

FL 

FL 

FL 

be 

FL ..... OC' 

oc 

Qz-sulfvn w/ sl, gn, cp, PY 

:•··M~y ~~Jf l,)()tllq~t iJ.JJ J~l/gn;:~p/.pp 

Sil sulf zone w/ sl, cp, gn, po & qz bands .. Ms1/qg~ij/9p~p9· ... ····.·.·. ·· ................ . 

Sil gneissic metaseds w/ py stringers 

.Sil gnei~ipm~t~$~ijswl ~l0¢p, gr) ..... 

M:sv sl 'vV/ min~r ~p 

Si1•9n~iS$!Plrl~t~~ed$ Vil ~l~p~qfm~v~ksn/¢p} 

Msv gn, sl, py, pow/ qz & calc 

•· ~,fav pY& gr# $μlfiffqz Br .... Qz br w/ gn, py, sl 

. §Ulfih~h~afioo~wlgP$$ijff&•qz.yfuF .. 

Gossan in shear zone 

FL Qzvn 

·. qq ozvnwls,utf · · OC Msv PY 

oc · • Fe~tq~Yn wtgri; r:i9/~ PY 

OC Qz-calc br zone w/ sulf 

.oc · ·azvii•: 

OC Qzvn 

RC . ··• Vμggyqz~py l:!and ~/W & 911 

RC Gneiss w/ po 

oc··· <3ta,qμ!~r pyJ~n§ ib 01~rti1e & cii1csi1lc~te~ 

OC Msv band of gn, sl, po in marble 

oc •···•·••· :•:M§v ~~tjij tjfgn/s!/pg frirriarbl~···· 

oc Msv sulf layer in Is and m·arble be ··• .. ·.•. Msv suifin mafblei . . . . . . . ..... . 

OC Fest, sheared Is w/ po,sl, gn 

. Qy . M~mle w/.di~sem s~!f 

oc 

··•··oc 

oc 

>oc 

oc 

·.:.:oc 

oc 

oc···· 

oc 

TP 

MD 

TP 

Alt intermediate int w/ fg dissem po 

lrregu@qz vri il1 h~c1yilyfij~tm~rblf . 

Fest marble w/ sulf 

Leri~)?{fest; ~ii gn¢i~§li\'fpg .ii) marble 

Qz br~~~E:l 'iV( g~~is~, s~lf 

Vuggy,g~vp•·.wt:py,·•go1.· .. qp;/ij1 

Msv sulf in vuggy qz shear zone 

•·tens~~d?l ~!19h)p}'Jo )ii! vqr~ 

Gn in sil vole 

.·· M~t~[QI*vv/:sl & sn 

Br 92 ~/ blE:l~~ of sl!. gn, cp 

·••·Ms\i.gn,sl, ¢P 

MD Qz br w/ PY, sl, gn 

.· MO .· .... Qibtjv/gr;t; sf: 

MD Sil meta host w/ gn, sl, cp, py 

240 

15 

i 29 

106 

:: :~4 

902 

93 

17 

·~5 

71 

35.~. 

35 

86 

296 

?21ee· 

39 

42 624 

. 3~;f .· 2358 .. · 

2.64 * 8394 

iji,jli <<•H1;st· 

3.4 24 

44,9· 345.ti 

2.87" 1.4" 

:45.4··· 139;3 

5.69 * 4700 

· 12 : 325 

7.09 * 1273 

1i8 .. ···: / ~ij 

2.2 76 

22a:4t 

40.1 

~s:•: • ~o'.1'·•··· 

t309< 

49 

t3;/: 

7 

47$ 

88 

<5 0.4 

157 > 162.6 

<5 0.9 

212 ... :: 1:3 

<5 46.7 

:• :5& + 114J~ 

<5 4.6 .. . : ~p•:. 

81 •*~: ,.·· 

<5 

:···•·:·?·•~#>·••· 

~5 

<5 

"'55 

14 

.18 

<5 

> 2,9J\ . 

251.3 

.. 1 

<0.1 

••·•• tL,? 

11Ar· 

4.39 * 

a.~7/••: ··•· 

7.98 * 

;;tE>t : 

195 

4.f1 

37.6 

.· 142 

2688 

Ei412' 

7330 

.. 6212 

3994 

i: 1$2·· 

100 

··11: 

; :M2 1 · 

526 

500 

6600 

}271 

2049 

aies 

909 

3.73 * 3.6 * 

. 8:21 t< ~;~ ; 

4692 

ll~Qir .·, 

155 

:224;$•·: 

15.5,. 

30.0"V 

473 

1~.Q} 

273 13.8 .. 

:: ~.Qti ~• L.:•19~9.t·· 

7.80 * 

<••··.··:624 

1.63 * 

:+: 107 

27 

~f24 .. ·~ 

960 

)~:·•····· 

10.4 * 

2491 

1.9 * 

.. 13.6: 

194 

18 23 

6S28 ··3,1• 

274 629 

raa, · ::: • a4 

3.28 * 7.3 * 

11:t8j 1.1··~ 

15.71 * 9.1 * 

2fi:C18J ·••.·· 6.8 ,. 

4.87 * 

H59f· 

2.70 * 

4_54,f 

33.40 * 

e:$4. ~ 

7.89 * 

2MQt 

1.65 * 

.>2057 

9577 

7;9 

4.3 * 

2.1 ...... 

5.7 * 

3:s *•··•··• 

1.1 .. 

•·.7 •. •. }1JQ( . 342 

1300 

. 1(3.21jt{ 16.4 ~ 

<5 4.73 * 10.50" 6.6 * 

10 

14 

·3 

4 

49. 

14 

3 

43 

.... <::1 

3 

5 

·r51 

<1 

./ 6 

9 

2 

<1 

<1 

<1 

4 

8 

<1 

i1 

6 

5 

10 

30 

10 

3 

3 

3 

5 

·3 

10 
78.1 116 

7~:1 117 

78.1 118 

:7a:1 < 11s. 

78.1 9580 

:ia:1••-• ~$a1 

78.1 9582 

78'.t 9583 

78.2 129 

7802 · 9589 

78.2 9590 

79:1: 422 

79.1 423 

79/1 424 

79.1 425 

79:1< •-•·42E) 

79.1 2836 

79% 2837 

79.1 2838 

79.2 ... 98 

79.2 97 

•z~:~ 2.61 

79.2 262 

79.2 .. • 44p•······ 

79.3 92 

79!3 <:~3 

79.4 90 

7$!4 91 

79.4 254 

?.~A 255 

79.4 454 

.79,.p ?P§ 

79.5 259 

79.6 258 

is,t: ~70s• 

80 143 

~()(• • .• 9602 

80 9603 

81 . 2608 

81 2609 

82.F . 376 

82.1 . 377 

a2A • . 378 

82.2 379 

82,2 ·H380. 

82.2 2613 

Table A-1. Analytical results for samples from mines, prospects, and occurrences 

22 44 1.2 10 389 * <5 0.5 270 75 9.99 <2" 1.252 0.11 3 0.6 2092 0.02 2 23 <5 21 * 11 

7 49 0.4 79 .;:JO~ s5 0.7 314:4 37 ~r~ $2 Jlc?§? ();Q6 ?? Q:Jt ~17~ ~PcAf ~1 15 ~5 · 13~ ( .6 <10 .<;0.01 . "'1 

13 82 0.7 647 <10 * 10 1.6 1270 88 6.56 <2 0.806 0.01 <1 0.66 2805 0.01 2 14 <5 667 * 13 26 <0.01 18 <4 * 

4 13a ax · 19 ~10)• 1.s3 0,1 >2000 e1:12toa : :~2} tat& 0;02: ~1 >oia 212s <tto1· t · · ·· ;..5 ~s 111:6}' ·2.• ~o. ~P:P1 11: :Mt• 

15 8 1.8 1410 96* <5 1.1 13.4 135 6.15 11 <0.01.0.12 4 0.44 494<0.01 2 48 <5 89* 1 <10<0.01 43 108* 

9 s2 o.9 113 .;:10 * 23 2.s. Hosg 140< s.~&: -4• ~.tOQ& Q.PS/ ~t :oJ)t ?4.te: .o.Qt •• .. }$ : a ~s 164 t 20 • :21-i:ocof 26 · <4 ": 

36 87 3.4 14 <10* 42 3.9 1180 7211.98 3 0.089 0.71 5 0.84 2993<0.01 7 <5 <5 533* 117 19<0.01 101 <4* 

23 41 1.1 13 · 32l" •24 o& 1243 44•.13.06 s2 o:1os Q,o:z:: ·..::t Q,se• 24Q§ -=c(pJ\ {1 12 <s :eo.. 2< 22•,c;o'.01 1:3 :<4f 

10 · 13 0.3 2837 <10 * 58 0.7 841.2 137 19.3 <2 0.068 0.06 <1 0.1 2359 <0.01 <1 42 <5 904 * 16 27 <0.01 5 <4 * 

2a 54 0:1 102• •·. · ~10 t: ·•. · · s oA 4ht 14-7 2tts. <2 o:oe9 · o;oa .. < <t o.oa. · ·: 20§ }'~9:p1 #1: · ·10 <5 · i;ri{ · 10: Hf1Q :.::0;01 ··· ~1 <4 tr 

18 14 0.6 70 129 * <5 0.2 126 209 6.61 <2 <0.01 0.15 3 0.22 822 <0.01 <1 11 <5 134 * 5 <10 <0.01 17 <4 * 

7 9 1,3 J!.34 551 " <:5 · 1.3 1 82 2:58 6 (OJ)l8 Cf:21: <1· 1:16 ?~37)<C>Oo1 4 -!15. 1$F i4 i 20 .:.10 <ff01 :42< 7 ~ 

25 18 2.8 554 197 * <5 0.3 1.2 71 5.08 15 0.017 0.22 <1 3.02 2082 <0.01 15 12 18 <4 * 8 <10 <0.01 142 27 * 

19 13 z;9 210 3t3* 55 $,2 tts 102 :4ds rs /cJ.;QJ1 q;9~ ~1 :2,ss 4909 ~(hb1: <7 r::1$I :14 121'. t=ia :<tQ.-=0.01 ~Q to* 

6 3 1.7 584 157 * <5 15 0.5 67 2.3 13 · 0.011 0.39 <1 1.86 5155 0.03 2 <5 5 <4 * 100 <10 <0.01 34 <4 * 

3 2· 1'. Fi 156 .· 118>': <:5 a:$ • P:5 44 ... 2i?&·• . 7 ·• :<;0:01 0,04 ·. ,<1ff •i2.i~- /34~8 ()l()!:: /~1-• > <5- :·"'5.( ·c;:,-tt • 88 :5:10-~Q,ot· 1.6: •<4 1 -.•. 

2 <1 0.5 228 15 * <5 21 <0.2 39 1.65 4 <0.01 0.02 <1 1.23 11980 0.04 <1 <5 <5 4 * 224 <10 <0.01 3 <4 * 

9 -P 1.s<• 10s :291" ·<s e,2 -o.s a2\a:9.4 so;o11 001 <1 t:64 e1a2·· 0:01·· 2) <<p v·· -<4} \BO•~tp,:0.01 30 :.::4·~ 

8 29 0.9 126 1127" <5 0.1 0.3 26>10.96 <2 0.288 0.19 <1 0.21 380 0.03 <1 9 5 <4 * 11 <10 <0.01 22 12 * 

4 . <1 :0'.3 2440 154 'II- <5 0.1 2 121 ~:§4 >~2 ·\0:148 · . ·o:·1 1 o;oa • 201 0;0.1 i ~1 , • J!:i: *~ :1295{ <15 ,:::19 ,c:;q,p1 22 <4 t 

<1 <1 0.2 438 <10 * <5 24 4.7 10 2.74 <2 <0.01 0.01 5 0.9 >2()()00 <0.01 3 <5 <5 11 * 567 <10 <0.01 <1 <4 * 

3 <1 q.g <5 ~pQ~ *\ • <5 OA .•:- ~o::r: 43 0.47 .. -~2 ~0~01: o.os •ii 0;02 ... •·· 74/ o:pp ·: t: : '."SP <5~ .;::4 * .. 20 S10 <0.01 ~1 ; ~ f 

4 <1 0.2 29 164 * <5 0.2 <0.2 155 0.3 <2 <0.01 0.02 2 0.06 345 <0.01 1 <5 <5 <4 * 4 <10 <0.01 2 <4 * 

10 1.a • 0.1 • 1-7!%: 38.t >-s5 · 1.a • 11:1i.4 <e~ 8:$1 <:2 9>9$7 >QiQ3 <1 0:19 -·• t1curi::·:s0Jl1 >-i-,1 • ·23 • .,s : 46.r ·· As {10 io.01 · -· 3 ,,:4 ~ 

41 9 1.8 <5 2734 * <5 0.9 5.5 124 3.74 <2 0.019 0.4 4 1.09 549 0.09 3 <5 10 <4 * 35 <10 0.1 133 <4 * 

28 222;3 :53:• 1s2or: <5 2 Q'.4.tQ~0,3.$1 <2:0;118-QJ34 1 1;g4 ·1o~QiPJ>4>,-;:1 sa•)20 ·..:4l s4~10/fo.p1140 11.~ 

10 1 0.6 11 <10 * <5 0.1 488.9 37 39.82 <2 0.094 <0.01 <1 0.59 813 <0.01 <1 <5 <5 198 " 4 <10 <0.01 19 125 

17 8 ··0,2 •(•. 6 . <10 •t·· · ~5 0;8 .. 382:9 . tt.35.27 <~2 Q,0§31 P>0.4 t .i;:1· oA4 I 9f;l3t5p;Qj U:151 •< Q4 ·~5- ?90 f 9 14 ~Q:01·- .. 8 96 ·• 

5 <1 0.1 6 237 * <5 0.02 525.9 <1 34.39 <2 0.205 0.02 <1 0.08 571 <0.01 <1 35 <5 76 * 2 <10 <0.01 7 127 

4 

14 

64 

41 

56 

25 

11 

22 

21 

3 

32 

36 

_2e· 

27 

8 

18 

4· 0.4 <5 465--~ ·····. ~5 2i3 ~~6/1 .: -•••t3 ~EL16 ic2 0.ozi Q;Q6 .. ~j 0-1B 11P~ 10:01· ii;:l T 23 ·· ;;:5· a1,·· ... <?? ·:t5>.;0:01 . 72 108 

21 1.8 198 <10 * <5 7.7 246.5 40 >10 4 0.07 <0.01 3 1.43 13907 <0.01 <1 23 6 153 * 247 37 <0.01 57 <4 * 

22 2A 55 .: •· 2222 r ·· · ::ss 2:€Ff ~'.p? 29\ 4'.s.2 2 ~11;01 · o.oa · ti .OA§ i.U ::,A§ 91HV .. ::~.: · · ... •f~ <5 <:4 * ?;f ·~10 •.tr04 <ga · qt .'L< 

29 0.6 

<1 Q,4 

11 2.5 

39·· 4 

5 0.9 

3 Oi5 .. 

23 

52 

12 

15 

18 

·20 

2 

3:1 

0.6 

Hi 

1 

1.5 

19 0.6 

45 o,s 

19 2.1 

<5 2794 * <5 0.6 0.2 22 3.46 <2 <0.01 0.05 <1 0.57 198 0.08 <1 <5 6 <4 * 3 <10 0.1 65 <4 * 

.. <5 . 1964 ~ ~5 OA 0.3 >54 .. Q;JQ. · $i ;\~Q/Pl OA4 ~• /Q.,2 152 0:04/ • 2 c::5 ~5 <4 * 4 {tO o:64 20 <4.t 

<5 1418 * <5 0.8 2 129 4.71 <2 <0.01 0.91 2 1.37 571 0.22 5 <5 14 <4 * 54 <10 0.26 197 <4 * 

:.c::5. 1.6361' <5 ·:;f4 :< :0i9 · • 52° · 7'.86 i 6 !~9IQ1 0,31 ..::1 1.21 244 0.29 ;.;if. <5. ~$ ~4~ . 95 ~1-Cl · 0,14 110 ·· <4 

11 628* <5 0.5 4.2 223 1.58 <2 <0.01 0.16 5 0.55 1401 <0.01 5 <5 <5 <4* 17 <10<0.01 92 <4* 

211: · a1J -~~ i:n 14i?Jt• ?43+1,41 • ~2 ~0:01 0.11 · 1 o;a f1ij ~Q;Of 1 H#$ .:.itt ~4 r 4 · ~10< ~o.sor t§ .._4 ~ 

8363 <10 * <5 4.8 95.9 57 15.22 <2 0.026 0.05 2 1.78 5741 <0.01 5 16 <5 27 * 172 <10 <0.01 108 <4" 

4 · ao ::230 · 3.7>100.0 103\ tHH> :$10 ··· oms f .. Jl:2 ;.:::10: 0.48 2670 0.74 6 rt \ :. + 114 <01 A-1 to 

4 30 16 0.5 >100.0 24 5.03 <10 0.01 0.07 10 0.07 850 0.07 140 1 32 0.03 17 10 

2a 1asr <.5 ~.1 sso .. 1163 4:$4 r~o'.G6~-0;tQ· 1···0~9s.:3e4~5Q:PJ 51 .tP.3{ s 1sr >42 {105<Lot 47·:T<4_*· 

519 212 * <5 0.03 634 122 4.85 <2 0.113 0.16 5 6.33 816 <0.01 <1 50 <5 30 * 4 <10 <0.01 34 <4 * 

· :·16 >90.•r ::~5.LO.i1•- 4oe;2 142 s.a:3 ··<2 0:075 OJJ6 <3< 0;55 1§B$1Q}Qf 1 1as· ,;9> ~ti § fJP.O:O?••• 65 · "4.~ 

51 333.. 20 o.3 120 184 2.47 <2 0.051 0.12 5 0.14 410 0.01 8 <5 <4 * 4 <10 0.01 90 <4 .. 

21e/ .~a=o.01 1&1~ 109 4:;2s <2: o.qoa 0;13 <1: :pJ2 · ze2.*0;01 <.;;r t 7:qc .::s a:rt />a J$ "SO,ot 23 <4 .. 

10 24 3.2 >100.0 78 6.38 <10 0.19 0.13 <10 0.81 4440 <.01 64 3 122 0.01 81 <10 

241 
M?:P\. :~,tnP!~ k99~!1#ri Nti: : No,· 

82.2 · 9694 ··•·:·• Lake 

82.2 9695 Lake . 

8~-2 · ~q96 Lake 

83 2644 Berg Basin 

84A 373 Copper King • 

84.1 374 Copper King 

:84: 1 375 Copp~r King 

84.2 372 Copper King 

85 73 Berg 

85 241 Berg 

aa:1 466 E31~~k Crag 

86.2 476 Black Crag 

8612 · 479 Black (;rag 

86.2 8731 Black Crag 

8Ef3 :: : 480 .·. Blctck Crag 

86.3 8733 Black Crag 

.86:.3:: ;/· 8734 ·· BlackGrag 

86.4 8732 Black Crag 

.~7 :.•.::: . •· 2844 · Craig Riv1ar l;lfea 

87 3736 Craig River area 

87. > · 3746 Craig River?f~? · · 

:G• 

G 

G 

G 

G 

s 

RC .. 

s 

G 

G 

87 37 4 7 Craig River area S 

188)1 2840 Craig CJailTlS<l;l[ea .• C : .·:. 

88.1 2841 Craig Claims area C 

8EH : 37 41 Craig G1c1ims ?rea. RC 

88.2 3737 Craig Claims area G 

~8} 3738 (;raig Clairnsarea · R~p 

88.2 3739 Craig Claims area G 

88!2 3740 Craig Cl~irns area >. G 

89.1 473 North Bradfield River Skarn G 

~~A:·: . 8726 ·. .• North E3radfi~lg 8iver $k1frn. G 

89.2 455 North Bradfield River Skarn G 

·e~t2 458 Nqrth Bradfield River $~~rr1 Rep 89.2 2860 North Bradfield River Skarn G 

89.2> 2861\ NorttiJ3radfielpRiverS~arn G 

89.3 471 North Bradfield River Skarn C 

a$i3 . 8725 :· North l:lrc;!qfjetd Rivet.Skatn > S 

89.4 474 North Bradfield River Skarn G 

ij9..4 475 · Notthar.:@@cl River·sk~ro G 

89.4 8727 North Bradfield River Skarn Rep 

89A. : ~ne :Nprth Bra~fl~ld Riy~r $~.am;'. f~~P • 

89.4 8729 North Bradfield River Skarn S 

89$: . 472 North Bradfield Rive1r $karo S 

89.5 484 North Bradfield River Skarn C 

as.s 481 : . : North Sradfi~ld RivetSkarn d 

89.6 487 North Bradfield River Skarn SC 

a9.6 •·4&8· North.BradfieldRiverSkarnH >§Q/ 

Table A-1. Analytical results for samples from mines, prospects, and occurrences 

0.2 

OA 

Q.7. 

1.1 

0.5 

0.3 

0.5 

6.6 

1 

1 

0.8 

OA 

4.5 

1 

UW . :.Sh~fllt~o.n~W{q#Qr1 PPY!lit~fapyt$J; gry: 

UW . ~he~rz°'n~ "'(q~ br,p~. sl, ~n 

TP Stieaqpr1e wt qz; gn, ~!. py, trc:icfqp 

FL Qz vn w/ blebs of sl, gn & PY 

FL 

FL 

FL 

•FL, 

FL 

>oc:: 

RC 

QC 

RC 

·····<oc 

Msy. PYWt cp, §1 . . .. . . .. . ... . . . .... 

lrregulc1r~c1nd.of msvpY:. c;ersl w/ qz . .. .. .... . .... · Alt intw/1]§\l PY, ~,, ,~$$~rep 

vnw/ 

peg in stream 

•· t:~~t; qfri4n tjrwlP«?:•.:••· 

Felsite w/ mo along fractures 

Fest/ su vole Wlpy.qub(i3~ · ·. 

Gray,. f~st, sil ~ol.c \V'}~ py lenses & pods 

· fg f~I in.tvv/·qz~rr,Q. ~~.:lff! 

Sil 1 f~~.ti~twlpy, cp ............. ·.:•• ......... · .. ·.•·• .·.··.· .. . ·. Marqpn,veryJg .. !JpmfE:115, w/rriinor po, PY 

Fest granite w/ very fg dissem . 

ai vriwkpY · ··· · Msv py in qz & metaseds 

Gof.~ijr·••wA4f?t m~rgJn~ Qf mjrble••: 

Sil skarn w/ msv 

Sil ~~ \Allpy, '!1i~?~ c;p ..... ·. .·· i;>y ! PC>i rnihor cp ill m~tcJij~Q§ . Py in skarn 

M~v PY!•PQ,•Cii ,ri horoblen~il~•·• . 

Fest, sil rock w/ po,cp 

· · oziffoti sri~1~$ W!.d!§~ern iw} fra~ cp on fRiP!iire.~ .•: 

Msv pow/ cp 

Hbl~lpo, rriag, c:p 

Skarn w/ 

Fest mag 

R,G . :: M~Y fu?g> 

FL M~x T~9 ~/ ~a~9~ ?! po, ?P 

FL··· q~~calc+g~rnet.s~am '#! pq;¢p 

RC Very fg, maroon, fest, msv garnet w/ py, cp 

oc: : ··:ol3t,s,jw.t.py} .. pg·,·.·UJ ;: ;tl?ti: ... •·.:·•·•r:H ::;/['.:>···• 

FL \/erxf~• mar()on,fest, msv garnet w/ py, cp 

FiC . Hbl; rtl~g. pou;p . 

TP rv,~Y .. ~~~~:~ .~~~rn. V\ll~t~~Ks. ?f cp'. .~iS~C3m po 

QG c. feflt; §i! gn~issWJcSi~~e.m g1ag; PY ·· 18@ 0.2nP Tactite w/ mag, po, cp. 

· ·· t~@o:2rrn +c1¢μ~~w1.m~g;pg;qp ·· · 

242 

<;5 

<5 

~5 

10 

: : ./2;3 . 39 

. 1(l 

<5 

15 

<5 

• ~i{ 

<5 

•···35. 

f i 

.i4:1 

.:<5: 

26 

:so 

93 

.:•· .;;5 

69 .. :>14 . 

0.2 

2• 

9 

:1:2 

1.8 

::.::0,1 

<0.1 

o:6 

0.3 

·X/ ,,;:QJ{) 

2.3 

. $~a:• 

530 

4849 

5639 

4694 

20 

14 

. ;.3.7 . 

75 

58 

25 

187 

1508 . 

5~ :···· 

8 

fQ$8: .. 

820 

. 35QOC: 

2.12 * 

··•· 35··· 

41 

81 

7 

: ·?~Q . ·: ... /.::2 

46 3 

··c121.·· 

:~t2 > . . f>7P~: ··· 79 

1 539 4 

QR< ·T~9a •· rz 

1.3 1540 27 

·a,7. 1.3 t< ·· ~h 

1.7 2084 3 

1 

. •0;9 } 

0.4 

.2A 

0.8 

ot,1r 

1.2 

. t&> 

1.7 

0.3 

1 

<.t.1 

3.73~ <2 

1482 <2 

····.· e~o> ·:: <2· 

809 <2 

qfli~i . <2. 

2664 5 

•· .121 .H 

3606 3 

3073 . · .. 3 

3316 4 

36:: <2··· 

870 <2 

ij44: <2:· 

41 

558 

44 

6 

206 

167 

77 

108 

48 

33 

10 

10 

19 

3.1 * 

47 

fJ7.·.·.•·: 

236 

178 

139 

>182 

151 

53 

112 

:33. 

31 

45 

50 

. 53\ 

40 

45 

39 

····~~· .• 

4 

3 

2 

20 

31 

24 

27 

4 

2 

1 

23 

1348 

6 

4 

735 

43 

8 

15 

2 

478 

· 11 

8 

:42 

10 

58 

91 

12 

3 

···a 

12 

•3 

2 

2 

2 

3 

3 

10 

~ 

168 

4 

7 

??9 

6 

:··•.·4 
M,B+A ••• §@mP!13 

Nd; . <No/· 

~.i:.?.L 9684 

82.2 9695 

a2:2 ·· 9696< > 

83 2644 

$4d. 373 

84.1 

84.f" 

374 

375 

84.2 372 

85' : 73 

85 241 

86.1 466 

86.2 476 

86.2 47~ 

86.2 8731 

135;~ 4$0 : 

86.3 8733 

86i3 8734 

86.4 8732 

at' ?844 

87 3736 ~7/ •·-· 3746 

87 3747 

aa.1 21340 

88.1 2841 

:~?\1 S.741 

88.2 3737 

~a.2: •-···~1a.a 

88.2 3739 

inri. <~140 

89.1 473 ij~:r s12s 

89.2 455 

89(2 4~6) • . 89.2 2860 

:Sft2 ·: 2861 

89.3 471 

8R3 8725 

89.4 

89'4: 

89.4 

474 

475>• 

8727 

~728 

8729 

-~~t4 

89.4 

89.5) 472' 

89.5 484 

89;6• · )Hl1 

89.6 487 

~~i· 488 

14 

60 

74 

73 

23 

22 

5 

17 

3 

7 

2 

4 

57 

15 

4 

8 

13 

11 

26 

·219 

31 

351 

19 

.106 

54 

119 

32 

26 

31 

56 

34 

43 

12 

7 

11 

25 

51 

75 

81 

74 

45 

21 

14 

12 

31 1.7 

26 0.3 

128 o:8 

86 0.3 

81 QA 

9 0.9 

14 1.7 

<1 0.4 

6 0.3 

<1 0.2 

<1:0.01 

6 0.5 

<1 0~5 

60 0.6 

11 2.5 

<1 0.3 

·118 1;2 

95" 0.4 -:·2e. .0.2 

24 0.3 

"41 2.7 

35 1.3 

91 1 

9 0.3 

~7 1.6 

36 0.7 

47 O)F 

28 0.5 

25 0.6 

84 0.6 

155 t2 

81 1.5 

129 0.2. 

19 0.4 

16 0.3 

136 0.1 

88 1 

225 0.9 

23 2,6 

65 1 

146 2 

72 3.9 

i.:'4 0.7 

49 1.1 

.. 40 9;5 

37 

11 

1060 

Table A-1. Analytical results for samples from mines, prospects, and occurrences 

q.787- " '0.04 

217 " <5 5 0.086 <0.01 <5 <4 * 

3_57' >~5 <2 0~288 0'.09 .· 0.65 246:3 . ..;;0:01 >? !::} 'f? }/'fp 22 <i 

20 <2 0.02 >100.0 <10 0.05 0.09 <10 0.08 245 <.01 16 <1 <1 

<5 37:f* . <5 .. 0.6 483.7 57 ?10 <2 Q.391" 9;0~ · :<:1 0.71 4~(f 0,Qj ~1 < <5 >i;5 · 22" 1f <1Q ·45 <4J 

15 1040 * <5 0.02 381.4 53 >10 <2 0.605 0.09 <1 0.17 41 0.02 <1 <5 <5 26 * 2 <10 <0.01 7 <4 * 

5-••:· · 1004} >...:s 1.2 2as ... 1 24 >10-: <2 • o,.:isa o;oa ·· i:;1 0,42- : )~13~ Q.Q1> >i:;J>· :.<$' •:::i:!5 ?P<* 1s 51P -;;o;Ql 16 · <4.11' 

151 306" <5 1.7 0.5 226 2.15 2 <0.01 0.08 2 0.81 485 <0.01 <1 <5 15 <4 * 33 <10 <0.01 44 <4,. 

12: 1.952" <:5 0)7 /p,a··aa '3;05< 4 0'.02 Q.33 ij 1:18 F 42f3\(l.03"" 3 c <_5: $5 f4.j .. ·. 2~:':~ld •Qr14 a1:tk4 :·:::--:::::••, •. -•••. 

<5 899.. <5 0.5 <0.2 87 0.55 <2 <0.01 0.18 2 0.08 102 0.06 3 <5 <5 <20 9 <10 0.01 7 <20 

II' ..;5 R02< 4. -·. 94> >10 :-::2 0.5.72 OAS 5 ·· 0.01 29 i-=OL0.1 26 C1P. ss S" • •·-· .<.1 5HL .0.0.1 • :4 6 :-

<5 <10" <5:Q.01 1.6 120 0.66 <2 <0.01 0.15 6<0.01 24 0.07 <1 <5 <5 <4* <1 <10 0.02 <1 

•Sfr 41" <s:0.01 <0:2 176 s.e1 <2 ~o,ot::60:01.: 4 f9;91 21_:~o.01 :, 120 <5 <5 a .. _ >i ~10 o.04 

336 4344 * <5 0.5 0.2 36 7.13 <2 0.03 0.27 23 0.04 64 <0.01 2 <5 <5 <4 * 5 <10 0.06 ~?< 194.. ~s: o:a 2;2 11a. t69 · :c:2 <0.01 Q.~s 130 o:oa.: 1§~ •o\i~r §~ <5:} -;s s\~ 21 ~10 o.oa 

<5 16 * <5 0.1 <0.2 58 >10 2 <0.01 0.59 11 0.03 54 0.04 10 <5 <5 <4 " . 7 <10 0.02 

<5 532~ <5 0.2 fE3 62 4\42 10);Q;Ot:·r_23>14 1A3<··702 0;11):;:;1 .. <$JO_> §~\ $810 0}24 

<5 225" <5:0.01 <0.2 155 1.35 4 <0.01 0.15 13 0.02 24 0.06 <1 <5 <5 <4" <1 <10 <0.01 

5. : 11s14* 55 o;a -;::0;2 1$1 e.11 4 -so.Qt QM 2 o;sg · 21s• :aJoe: ~1 · · :~9If ·is -<4"" \33 510) Q;.12 

8 543" <5 0.3 <0.2 100 >10 <2 <0.01 0.04 1 0.03 30 0.04 <1 <5 <5 13 * 12 11 0.13 

9 _ 24 ... <5 _o:3 ~0.2 1s3 ;?>:1 o · · ~2 · :ciQ,01 ·-•· q:02 .c::1 · · o.os a1r~PiPl ,: $l -<s · ~s : <4·+ a <to -·· 0.02 

5 .. 

a .. 

8 •.· 

5 * 

: .:::-4"' 

<4 * 

?f 

<5 17 * <5 2.9 <0.2 61 >10 <2 0.021 <0.01 <1 0.1 217 <0.01 <1 <5 <5 14 * 17 17 0.01 13 <4" 

<5 . 13?9 •·: . · .• <5 i1;8 . <O:? · 3.10 4,42 3. io'.Pf :.0;&9 > 'i .:t94 $()§ ();19 · · <}: ,<5i"" 5 • > 79: ::· 1qij $1o•·•· 0.19. 131 ~29 t 

<5 147 <5 1.6 <0.2 58 4.13 3 <0.01 0.09 <1 0.58 231 0.19 <1 <5 6 9 84 <10 0.33 73 <20 * 

<5 454 .. ~ <s u 33:Q s? ·*1tF \i ~p:o.}/: o.o9 1 ·· 0.31 219 o,M> :'.'d ·. .;fp> .:;5 .c:4:r< ~Er 510 Q:os 73 · <:4"' 

<5 3042" <5 0.2 <0.2 145 1.38 <2 <0.01 0.11 3 0.12 91 0.11 3 <5 <5 <4* 43 <10 0.05 16 8* 

<:s 1219 r <:s 1;5 o;s 143 §:42 · ·3t ;i;::0:01 Q.3. ;i;:r: 0;19 · : · · 262 . oJ.§. :..::1 r~e : ti~5 ~4t r· Jn :~iti Q;?? :ss ~' 

<5 <10 * <5 5 <0.2 128 9.04 2 <0.01 <0.01 <1 0.03 1292 <0.01 <1 <5 <5 <4 * 10 <10 0.05 149 <4 * 

9 163t" ~5 1:1. 296.1 41 etQ .:3 · 1,2 :1rniH "4 0;14<_ 7:3,qk (tOZ/ s1 ~p ... 5 108t •23 19 Q,1t· 47 

<5 1632 * <5 0.7 0.7 67 5.55 <2 <0.01 0.15 4 0.4 117 0.07 <1 <5 <5 <4 * 20 <10 0.13 47 7 * 

<5 : 2016 ' <5 0.5 0>5 : 70\ .4.37 <2 <();Qf . 0'.1 > 3 0A6 139 : 0.:05 . ~1/ . +<5. ?~5 < $4_:! . J5 <10 0:09 52 

<5 12 * <5 0.6 0.6 16 >10 <2 <0.01 0.03 2 0.14 808 0.02 <1 <5 <5 29" 20 16 0.04 87 5 * 

f~t 107 *. ><5 · 1<9 j)~ 64\ >10 ,r;2 Q.Qt8 ··p;;q~·/: 2\ Q,4 : ~$4\. thOi:f {$j •: • ~IL <ff 17t: ::> 52 12 >0)05 ·:.ij~ -s4-t 

8 323" <5 1.5 0.4 29 >10 4 <0.01 0.09 3 0.22 645 0.1 <1 <5 <5 26 * 65 15 0.08 142 <4 * 

-::s <1 o .. · · <5: 1.2 0:9 · 10 · · ~io · a r{q;pt ,~a:01r r:2 oJ:i4 ~~6 i;Q.ot ~1 -·-·· c;es: : *5 ar .: : · t; · 21 <0.01 -. az 54 .. 

<5 <10" <5 0.2 <0.2 9 >10 <2 <0.01 <0.01 3 0.07 632 <0.01 <1 <5 <5 37.. 5 19 <0.01 65 <4 * 

<:9 «10 # <5 o;o4 <:0 .. 2. s ~J(L 4 ~Q,Qt~O.Q1 1 q,os 4aa ..::o:of< ~-1 ..::s ic;s ~tr :21 :. dt~(tP1 292 <("4J 

<5 <10 * <5 0.2 <0.2 17 >10 <2 <0.01 <0.01 2 0.05 634 <0.01 .<1 <5 <5 36 * 3 14 <0.01 26 <4 * 

<5 14J ~5 s o.9 109 :ii10 :4: jp;iji,j'' tL61 .(2 >Q,04 : 1371 Jto1 t ~t .i.:5) ~$ s r. · 5 ~.10 0:02 <24 

<5 11 1t <5 6.3 0.6 86 >10 3 <0.01 <0.01 3 0.05 1554 <0.01 <1. <5 <5 11 * 3 <10 0.03 34 

-;5 -·· .... 450 f. -::5 • J;$ . <0i2 58 •·· 2.~4, ... >'6 $Ctflf .Q,07 "'1~. \0.74 .:>: 1~§ Q;jμY i~f ~ti. : ~§/ < sf .... 228 -;10 . 0:12 '29 6 

<5 69.. <5 6.1 1.2 104 >10 2 <0.01 <0.01 0.09 1804 <0.01 <1 <5 <5 7" 3 <10 0.05 42 9 

.::5: i<10.r <5 :~:7 0:4 59• #-40 ~ ~Ql91:SQ:Q1 <1 Q:07 (1112 Q:Q4' ~t:•: ~5 ~$ 11/ ... JQlit• 12 0:07 80 Mt 

<5 260 * <5 5.4 0.6 54 6.24 5 <0.01 . 0.03 3 0.09 680 0.14 <1 <5 <5 <4 " 193 13 0.08 60 <4 " 

.<s •·•• ,204 r •<:~ · >1 • :0>1f: 1P~i 1/79 ~2 ;.;.0.01 ¢.q9.. s 0;14 58 r:0,09_: <•l1 ·n •:.~~ -i#s <4 ~ 49 -~10 o.q~ 2s <4--: 

<5 714 * <5 2.6 <0.2 50 >10 3 <0.01 0.05 4 0.12 702 0.04 <1 <5 <5 14" 46 12 0.04 95 10 * 

~t(l"-- f5 •2;2. ..::0.2. · 42 ?10 5 · s0,Q1 :_o:04 3 o:12 713 0i02 · \~1 >;,;5 'H;ST i@t 18 14 ();03 185 . ~4 .. 

243 
89. 7 482 North Bradfield River Skarn 

139.7 ·· 48:3 . North sracJfield River Skarri 

89.7 2645 North Bradfield River Skarn 

~!H 2646 .. Nortt, ~r~dfiE:lldRiver Skarn 

89. 7 8735 North Bradfield River Skarn 

·t3~l:i' 8736 North Bradfield RiverSkarn. 

89. 7 8737 North Bradfield River Skarn 

89:Z 8738 North Bradfield River Skarn 

90.1 463 Mt Lewis Cass 

90'1 484 Mt Lewis Cass 

90:2 8717 Mt Lewis Cass 

90;2 · 8718 Mt Lewis Cass 

90.3 470 Mt Lewis Cass 

ij()i Cfl!23 Mt L,~wi$ _Cas~ · 

90.3 8724 Mt Lewis Cass 

91 ) .. ?~45 · · · Upper Nlar1f:!flL~~~ 

91 2846 Upper Marten Lake 

9f' :~847 Upper MartE!n Lake 

91 3748 Upper Marten Lake 

92.1 · !5.§ Bradfield River. 

92.1 67 Bradfield River 

92;1 234 Bradfield River 

92.1 235 Bradfield River 

:$~i2 · 68 BradfieldRiver · 

92.2 69 Bradfield River 

9i2 Y 236 Bradfield River ( · 

92.2 237 Bradfield River 

9203 70 Bradfield River 

92.3 71 Bradfield River 

9213 238 Bradfield River ··. 

92.3 239 Bradfield River 

G 

C 

Rep 

G· 

C 

C 

SC 

.·.-·sc• 

G 

JS 

s 

o· 

G 

Rep 

Rep 

.·Rep 

C 

Table A-1. Analytical results for samples from mines, prospects, and occurrences 

0.9 RC Fest, sil gneiss w/ ml, cp 

• 4;2 :: PC::: : .. C3()j~~11Wt μq; PP ..... 8 OC Mag & hematite band 

0.0 oc ·· F~§tflil@O~•wtro~g 

2.3 TP Msv mag w/ po, cp replacing marble 

•· 1.a •··•··TR MsYrn?igJ,.;1 fgJp mg~μ~~~rn! 9im~tJrtm@roi~· .···· 10.4 @ 0. QC M~~ T~~ vv/g~r~~t,}r~9~ cp i~ ~.arble 

·.• tQ,4@Q. QQ · ··· • MsMl)i99~9clm!3!inrt1~rq!13.+·:···· 

FL Fest metamorphics w/ po, cp 

•··Ft.. . S>iLrri~jrpqrppig~W/~yggy q;>. <•.·.•<t.· \ii .. / •. ·•· ··•·••i 

FL.. Boulder of purple metasecis w/ cp, po, mag in 1.5'' vn 

0:8 

oc .· g:z vr w!P!s~~iil mg in inf· •. ·· ···· · ·· ·· · ·· ·· •. · ·· · · · ···· ··· ·· · ·· ···· ···· 

RC Band of fest, sil marble & sc w/ py 

289 1.6 2586 

W . <a)f: • 330Z 

3600 11 .6 1130 1aeo > • • ; T :3A 2200 

136 2.9 3351 

.95 t:2 658 

281 1.6 623 

· A~r ··· 2;5\ : . .:14~1; 

41 1.3 1832 

•2a: r •• O:9 74 

289 

<5 

1.3 * 

'46:•·· 

60 

0;3 

0.4 

0.5 

5 

. oc p~j g@pulit~iYJ(di§~ijrn P9, tr~~PP . : H .<:C:•t••,=5• · 198 

122 

iC>•2a:..:· 

QC Purple, heavily fest granulite w/ dissem po 18 pc. ..Qz .. vf ..... w .... ·····•··•···· ..•...• ·:.:::5>•··· 

OC Fault 80 

244 

<2 18 

<:2i •· .. 3T 

6 150 

>27 ··••··•··.•:95 

<2 64 

··<~2 32· 

<2 47 

1'2 · · 42 : 

3 29 · .. ·•···· 3. 12 

9 203 

14 20· 

11 16 

.· 4 62 

8 

100 

3 

.·.•·•··.· .. 3 

4 

·••s· 

3 

•:3 

3 

15 

29 

1240 

31 

4 
89.7 482 28 127 2.3 7 43 ,. <5 

8~i7 483 51 74 1,8 <:5 104* ss 

89.7 2645 4 18 0.5 2 10 <2 

~~,t 2646 8 17 1.3 <2 10 <2 

89.7 8735 17 62 0.6 <5 303 ,. <5 

89-7 \ 8736 8 29 0] ~s·· 

89.7 8737 6 22 1.1 <5 283 * <5 

afh 8738 4 14 0.8 <5 99" <5 

90.1 463 36 68 0.9 7 59 * <5 

90>1 ~64/ 6 2 OA 104 1.677." ;,;5 

90.2 8717 15 24 3.2 <5 582" 58 

:90,2 8718 11 2 0.2· .• 1416" <5 

90.3 470 23 4 0 <5 <10 * <5 

9(t3 8723 44 .23 0.5 <5 · <10" ~5 

90.3 8724 27 15 3.1 31 1529 * <5 

91 g845 24 3 0.5 ;;:5 882:" <5 

91 2846 32 7 1.7 <5 2533 * <5 

91 2847 25 6 1 <5 493 ~ 26 

91 3748 17 3 0.8 <5 3177 * <5 

·92,1 66 10 15 1.6 <;5 1160 * <5 

92.1 67 10 12 1.6 <5 1585,. <5 

92;1··· 234 9 10 1.4 <5 1584 o: ,;5 

92.1 235 9 11 1.5 <5 1728 * <5 

~i-z ea 4 7 0.7 <;5 1626 ·" <:5 

92.2 69 4 6 0.7 <5 1739" <5 

-~?-2/"• 236 5 z 0.8 >:~5. 1724,. <5 

92.2 237 3 7 0.4 <5 1295 * <5 

92,3 70 3 9 0.4 <5 883:~ <5 

92.3 71 5 7 0.8 <5 1720 * <5 

92;3 238 2 14 0.2 <5 279 * <5 

92.3 239 4 7 0.7 <5 1742 * <5 

Table A-1. Analytical results for samples from mines, prospects, and occurrences 

3.7 

4'6 

0.5 

4,8 

1.2 

2.2 

1.3 

1:8 

4.2 

1;6 

1.8 

0:1 

0.2 

0:2 

2.3 

2.4 

0.1 

OA 

0.4 

0.6 

0.8 

Oi8 

0.8 

0,5 

0.5 

Oc5 

0.4 

0.5 

0.7 

0.3 

0.6 

<0.01 <0.01 611 

~3. ?10 •·· ii:0;.01 ·o:.o.1 139~ 

1.5 21 >15.00 20 0.05 0.01 <10 0.02 670 <.01 

1,6 226 5J3T ~lQ; jjj)2 <;Of ~10. 0.04 865 <:.01 

<0.2 11 >10 <2 0.011 0.02 2 0.08 518 0.01 <1 

><0.2 · 20 >1Q s? ~0.01 0.04 ~1 0'.<ls· 82:F 0,01· . .::1· .. 

0.3 15 >10 2 <0.01 0.06 2 0.13 494 0.06 <1 

<0.2 2s >10 --=2 10.01 0.02 2 o;o5 19~ ow:< ~1 

<2 <1 

-<2} 1 

<5 <5 

-ss· <5 

<5 <5 

") ~$ {5 

31 * 

24 • 24,. 

21" 

0.3 100 8.09 <2 0.012 0.07 <1 0.16 625 0.07 <1 <5 <5 <4" 

so2 1ps ttf? <.2 · -;0,01 (};15 9 0;32 173 ·o,oe·· .~t · <;5 ~s- <<4 ~- 9.8 59 5.91 6 <0.01 0.97 2 0.92 702 0.29 <1 <5 6 <4 * 

0;2 25.1 1.06 <2 :-CQ,IH 0,08 4 0;04 . 135 0:05 <:·t ;i:i f p <5 <4 t 

<0.2 240 7.27 <2 0.016 <0.01 1 0.12 57 <0.01 <1 <5 <5 <4 * 

OA 266 9.11 <:2 <(M1 · Q.06 2 0;22 · 101 •. Oi02 1: ,<:5, · <t> <4 .* 

0.5 80 5.35 7 <0.01 0.6 5 1.12 242 0.2 <1 <5 15 <4 * 

Ls 231 1.19 c::2 so:01 0.1a a Q:22 2Q9 0.02 <;1 ,.::5 <s · ,0::4 

2.3 172 3.94 3 <0.01 0.34 9 1.01 486 0.03 <1 <5 5 <4 " 

s.3 230 4.1e <2 0.005. o:1s 4 0.1a i~~F cto2 ~1 · ·· · .::s <s · <4 

1.1 197 1.86 2 <0.01 0.27 3 0.5 233 0.04 <1 

<0.2 1T 3;55 5 0:041 0:32 8 . 0.83 777 >0:15 4 

<0.2 13 3.18 5 0.032 0.43 11 0.96 388 0.22 5 

~0;2 11 2;59 4 0:018 OA 12 0~86 363. 0'.2 3 

<0.2 11 2.58 4 0.013 0.41 12 0.88 369 0.21 4 

.::0:.2 6 2.93 3 Q.Qt~ Q;t8 $. QA4 253 (li0S re 3 

<0.2 6 2.15 2 0.01 0.16 8 0.39 221 0.06 2 

-<0:2 6 1.98 2 ~0.;01 QJS · 8 'P?lf >: .?.44 FQJOS: 4 

<0.2 12>10.77 5 0.011 0.09 10 0.21 345 0.03 8 

0.2 14 20:34 : 1 · o.Q22 Q.oa u · · 0<11 4a3 

<0.2 7 2.4 3 0.013 0.19 10 0.47 269 

0.5 23·• 54.89 13 q.Qfl 0:02-·- -•· · 9 .. Q;(J5 

<0.2 7 2.78 3 0.012 0.15 9 0.39 237 2 

245 

<5 <5 <4" s5 · r ~5 • <:4 •·-'.'" 

<5 

><5 

<4,. 

<::4/f 

<5 <5 <4 * 

-S!l <5 -<4 t 

<5 <5 

<5 :<5 

<5 <5 

<5 <5 

<4" 

~4?<·•• 

<4 * 

<4 * 

0.07 

(.l:()7 

0.01 

0:02 

20 0.02 30 <4 " 

1p Q,Qi -.~2 

56 11 0.03 39 

28 12 0.02 2_9 8 t 

51 <10 0.05 20 82 * 

. 22 ~1Q \Q>1 t,7 <4 " 

119 10 0.27 93 36 * 

3.2 .:: 10 0.02 3 : <4 ~ 

1 <10 <0.01 2 5 * 

s <10> o:o:.r 13 <4 " 

85 <10 0.16 108 

•· 46 -,1Q ;c;Q:01 32 

15 <10 0.02 133 <4 * 

19 47 <0;01 .... 30 

14 <10 0.03 75 <4 " 

58 ~JO 0/17 76 .. <4 *. 

87 <10 0.18 69 <4 * 

70 <10: 0>16 

71 <10 0.17 

53 ~10 0~09 63 <4 * 

58 <10 0.08 47 <4 * 

65 ~.tQ i Q:09:: 43 <4 t 

26 <10 0.06 219 6 * 

21 <10 0.07 307 8 ! 

73 <10 0.1 53 

9 <10 0.06 635 

69 <10 0.08 62 <4 * 
r 

l 

( 

\ 

r 

~-

r 

l: 

( 

{.. 
Table A-2. Analytical results for reconnaissance investigation samples 

247 
R1 147 

R2 <14~ 

R2 150 

:R3 •::2~75 

R3 2376 

R3 9572 

R3 9573 

R3 970.3 

R4 2360 

84/ 02361 

R4 2362 

R4)·· 23.65 

R5 3713 

Rs.·.•• . 8673 

R6 8674 

a~ aa1s:; 

R7 3733 

8?\ ··. 3703 

RB 3704 RS .. aeGe·· 

RB 8670 

R9 : ••~t~?· 

R10 3701 

R10 3702 

R11 3706 

R12 8.678 

R13 3718 

R14 '3731 

R15 3719 

R16 ~712 

R16 3721 

fH${· 3722 

R16 8680 

R11·· 8679 

R18 3709 

RJ~; > .~79? 

R19 3708 

R:19 • 8674 

R20 3720 

B?t, 3696 

R21 8666 

822 ~q97. 

R22 3698 

R22 . 369.9' 

R22 8667 

~.3 : 86~8 

Little Saginaw Bay 

Saginaw Bay. 

Saginaw Bay 

K4iu Is; 33.Qf> ft P¢c!k 

Kuiu Is, 3305 ft peak 

KlJiU Is, ~3()5 ff peak 

Kuiu Is, 3305 ft peak 

$~curity•B~y; W gf · Pinta Point area 

Pinta Point area 

Pinta Point area 

·•· Pinta·Pointarea .. 

Kake Rd, Pinta Pt area 

!{ak.e Rct.,. Pi flt~ Pt area 

Kake Rd, Pinta Pt area 

••· Kak~ l{d, · Pinta.Ptarea 

Kake Tribal Rd 4300 

• kake Trlbal Rd 3000 

Kake Tribal Rd 3000 

ka@J"ri~~IRd 3090 

Kake Tribal Rd 3000 

>kake.Tribal Rd.21.30 

Kake Tribal Rd 2000 

· Kc1keTripc)IJ{tj22()0 

Kake Tribal Rd 3000 

Kake Tribal Rd 1000 

Kake Tribal Rd 7000 

Gunnyk Ck tributary 

Kake Rd, Turn Mtn area 

Kak~Rd,TurnMtn l1lr¢a 

Kake Rd, Turn Mtn area 

KakeRd;TurnMtn at-ea 

Kake Rd, Turn Mtn area 

Kake Rd. ljμn:, Mtn. ar~a 

Kake Rd, Turn Mtn area 

KakeRc.1, l\1rn.Mtn area 

Kake Rd, Turn Mtn area 

f<ake Tribal Rd 5000 

Kake Rd, Turn Mtn area 

Kake;USFS Rd63.04 

Kake, USFS Rd 6304 

s 

Rep 

G 

Rep 

Rep 

Rep·· 

Rep 

·.•G 

G 

R~p 

s 

s 

s 

s 

s 

s 

G 

s 

G 

s 

s 

.ss 

G 

G 

G 

Rep 

G 

G 

G 

Rep 

s 

s 

G 

4.1 

1.6 

6 

Kake, l:lpurof tJSFS Rel 630-4 ·• · , t•• ·• •• •••·· ·· · .: •... • ·• ·•···· ..• , .... 

Kake, spur of USFS Rd 6304 

Kake, §pμr 9f USFS Rd ... 630;4> 

Kake, spur of USFS Rd 6304 

·G• 

C 

Kake, usi:s Hd 6304 · .•. •. C)on 

4.4 

Table A-2. Analytical results for reconnaissance investigations samples 

oc 

OC· 

RC 

RC 

oc 

QC 

oc 

OC 

oc 

OC: 

oc 

:oc 

TP 

TP 

RC 

RC 

TP 

TP 

TP 

IP 

TP 

TP 

TP 

OG 

TP 

TP 

TP 

TP 

oc 

oc 

RC 

FL 

TP' 

TP 

TP 

TP 

TP 

RC 

TP 

TP 

Barite in tan Is 

umeYgrayar 

Black carb fossils in 

Fel dikes W/di~:$.err1pq•·••·• .. ••>•••••••·••·· <(Y•••·•••·•<r t··•••\i < 

Fel dike w/ py & po 

F-~iirif yy{tjjs~~rn rj9dtJ!~iqf fg ;p~ · · · Mafic dike w/ very fg po 

i=e~hte1 ~ike:.W1~,~$ef'ip2 

Sil sc w/ fg dissem sulf 

qp sc wr po:.~ PY • 

Gp sc w/ dissem PY 

$LJlf~ti<t!ll~hfih gp ~c; 

Qz w/ fg py, po 

$ilyqlcw/ Cijtc/V~·w·.fg ~is~~rr:fp9;py 

Ska~n in hbl diorite 

§k~fo .,,.,!PY~ tr~c~:¢P 

Alt basalt w/ fg, dissem py, cp 

···t3~cj(i~g·~it; ~r~ ¢h~rtWr1~n::.~s df. PY 

Py nodules in sil ar & chert ... 

Slij~~(§il;p~[ti~r~ 9h~rtir/1f8'" bijrJq~gf•py··· .. Py nodules in fault br hosted in bedded ar & chert 

·· Ar 'A'/~nglqf:py · · Sil ar w/ lenses of fg py 

;fhiiifr ~e.~d.@. ~r. "'' PY 1~$se~ 

Qz w/ minor cp, PY 

. porjtoit~tjgr~ptji!i~ ~(WI iff~9Yl.~(~OP~~ .of py••· 

Patches & seams of py in ar & ls 

fi9μt¢rops ih ~ti~arn·wl ~r; gwf ~ ch~iJ fl.o~t 

Black ar w/ seams of py ArWlmiriofpy . . .... Sil ar w/ dissem cp, py 

$ii ~r wt.fg·pyJ~min~~ ~ 29 PY 1~9$¢$ 

Sil ar w/ cg dissem py cubes 

§i.t, :~e~~~ct•.a.t W/py ieap,fijiong fratbfr~$ 

Qz w/ py & minor native copper 

'.A..lthbldLW(py 

Skarn mineralization in di w/ ·g~t10atvvipy/··• .. ·· Gs w/ seams & dissem py, po 

.... 13,i~c\<.qarp ~f¥'l•i:iy·1¢n~~$·· 

Sil, bedded ar w/ py on fault surfaces 

Ba@f'1i( rr,iri.l)i:pp irr~r. 

Ar to slate w/ lenses of py J?~perqjg .w( rritri~fcp .···· ..... Sil bedded ar & chert w/ py in cubes & blebs 

f\lf·iqrjevJ./.g$1¢~••1irnofiif¢atjj tq f~1,1lt ~(.jr{~r 

248 

·--~\ 

<0.1 68 

o:s···. 

<5 0.2 

\1§ 

6 

<(~f:i• 0.3 35> 

<5 <0.1 166 

8 

f.~ 

23 

·12 

7 

7 

57 

229 

91.8 

1645 

84 

45 

57 

10 1.7 48 

85 

76 

36 

1610 

77 

88 

;i~ .· · <0'1 

77 1.9 

13 

18 

11 

7 

<5 

34 

163 

8 

38 

14·. 

<5 

~5 

-~ /, 

) 

0;6 

0.6 

~901 

0.5 

•··Q.§ 

1.9 

·•• 3T 

281 

14-~ 

1599 

1942 

\f0.1 288 

0.2 518 

0:5 3~6 

<0.1 79 

1>1 56 

0.6 34 

o:a 1es 

2.8 63 

• ~o;:1····· •·· as 

0.9 33 

<:Q:1 38. 

10 

44 

20 

22 

19 

22 

JO 

20 

7!'a 

63 a1·· 

34 

12· 

43 

13 

16 

•15 

21 

. 12 

27 

?7 

15 

5 

·7 

26 

11 

8 

115• 

119 

<2 

38 

<2 

14 

10 

19 

209 

63 

86 

297 

220 

58 

ea 

106 

142 

862 

:164 

65 

··103 

232 

6.t 

63 

1a1··. 

26 

·452 

89 

35· 

8 

83 

107. 

106 

•4g~ 

51 

) 1337 

41 

14 

38 

67 

3 

12 

6 

2 

8 

86 

6 

6 

<1 

<1 

5 

37 

46 

.. 30 

15 

. <t• 

11 

4~ 

2 

6 

100 

5 

3 

57 

2 

<1 

1 

3 

2 

2 

3 

μ7 

42 

<1 

27 

2 

13 

2 
R1 147 

at: J49 

R2 150 

R3tC•:;: • 2a15 

R3 2376 

·R~:J $s12 

R3 9573 

R~?: •···9703 

R4 2360 

B4> ~~§1 

R4 2362 

84 . ;!?~65 

RS 3713 

R.5 ~673 

R6 8674 

R6 · 867s·· ... 

R7 3733 

ij{3 > 3703 

RB 3704 

R~Y 8669 

RB 8670 

g@· <3732· 

R10 3701 

~nr s102 

R11 3706 

:gn. ~P7~ 

R13 3718 

R14 . 3731 

R15 3719 

:fmr·• !3-71? 

R16 3721 

816 3722 

R16 8680 

rnzx ;:ijezfr 

R18 3709 

R-1.9. 3707 

R19 3708 

849. ··• ~P?? 

R20 3720 

841 ~§9§ 

R21 8666 

822 ~Ml 

R22 3698 

822. ;·. ~p~!;l 

R22 8667 

R?3. .~6~~ 

Table A-2. Analytical results for reconnaissance investigations samples 

3 2 0.05 <5 >20000 * 4 1.18 0.01 0.37 1036 0.02 7 

38 12 2i09 6 ·. i4~1t~ .: 44 3;4-7 t0Ji1 tQ§ 4Q9: <0.03 ~20 68 

55 15 1.58 <5 1834 * <5 15.03 0.2 97 3.44 0.2 11 0.86 549 0.02 <5 7 <20 237 <10 <0.01 69 <20 

6 2 0.41 6 .. . . 27 15 ::o .. 16 > 0;2 . 140 1.93 . ~2 · QA2 .: /25 0;08 ?,QQ Q:11 ~5 \S5 <20 7 :*10 . 0.06 . i 2 . <;20 

8 2 0.48 <5 25 <5 0.06 <0.2 148 1.6 3 <0.01 0.11 24 0.07 79 0.11 <1 <5 <5 <20 4. <10 0.01 1 <20 

5 2 o,4: e tgf3 o.1e 02 1s1 ·1,aa ><2 oJ~Z~ · 0.12 21 :o.oE? 223 0:11 > 2 ~& <5 'ii:20 a :.;;:to o.bs f t <20 

29 31 3.11 13 70 <5 2.17 <0.2 89 5.44 <2 0.036 0.85 9 1.51 521 0.51 6 <5 8 <20 64 <10 0.33 89 . <20 

4 <t 9-~: 13 a.11 > <s 0:02: t1 1i1< tJ~:. ~2 .oJ,~2 <a.int 14: :oeot :at .ciQs ./ ~r :c§ i'. <s riQ <a. :~1:1t59.g1 •:i~t: .·20 

9 <1 0.46 8 20 <5 0.29 <0.2 71 2.9 <2 0.027 0.31 33 0.04 162 0.01 <1 <5 <5 <20 17 <10 <0.01 <1 <20 

~4 11 1:47 . 23 69 1§ ~,74 .. ,c;p.g> 43 3C51 . 3 ;J:lJ~,a~ 038 < 6 . 4J 722 Qi03 t:4( ~5. ~$ <20 . 11$ ~1Q ~Q;Qf tr ..;iO 

82 30 3.25 <5 28 <5 0.16 0.6 82 8.5 5 0.024 0.09 1 3.69 1000 0.04 15 <5 18 <20 10 <10 <0.01 316 <20 

921 . 69 .2.oa 25 ~1 :<:5 0:52 5i2 81 tTA6 <:.2 O:Q1 ~l }0>06 · ·~ • 2:35 .~$1 it02' 9 {)~p . >~;, · <=20 29 (<}Q: : Q"g > 4!1() ;i:;20 

25 17 1.31 <5 1398 * <5 0.18 0.4 168 3.91 <2 0.07 <1 1.08 934 <0.01 5 <5 <5 <20 7 <10 0.04 53 <20 

47 14 o.s1 :~P r;z4qO; : <~: : o:~l 1:2 1s4 i~·?P ~2 1 oto2n 0J3 -<f o.:t~ $_p:f*Q,mr: ;5 •.·.•~.~· $.5 f.?P t 24 ~10 o.oa s3 ~:ao : 

4 34 0.93 57 811 " <5 3.65 0.4 64 17.13 3 0.026 <0.01 <1 0.16 1062 <0.01 <5 <5 <20 19 <10 0.01 30 <20 

6 13 .o.ss .1 40 * · <s 1.as o:4 46 1Et~ , g p.p(J1 : o:pi <1 o.as 640 0:04 :~r <5 "5$ <zo: El :srn 0.01 1s ~40 

84 44 2.36 <5 907 * <5 2.41 0.6 103 13.79 3 0.17 <1 2.18 874 0.04 17 <5 16 <20 26 <10 0.11 182 <20 

142 7 0.54 191 1910"' :i,5 0~43 1.:1 :121 1f48 "2 0.17. <} >0.31 §1.~ iQJ>,t .. 7 :.ts :c:5 c:20 iJQ . ..;:10 :59:Ql 77 ..;20 

196 8 0.32 387 2472 * <5 0.4 6.8 86 27.54 <2 0.1 <1 0.06 117 <0.01 7 70 <5 <20 17 <10 <0.01 90 <20 

119 . . i9. 0>47 2S4 1.~-?$r <p q~1~ ,Z:t 1W :14;98 "2 ();875 \Qi15 •. ~:t. mtp 222 ~P:Ql /6 \:~5: 55 ;.:20 •:10 flQ JQ;Qj> 68 ;<20· 

64 3 0.61 123 743 * <5 .0.31 0.5 166 8.62 2 0.435 0.23 <1 0.26 364 <0.01 8 5 <5 <20 7 <10 <0.01 87 <20 

10 1 1,a1••·es .485t :<5 0:02 o.3 1s1.ico~,• 4> ·····oi34. ···s P>p:3 iJ!:l2 .. o;o~·:r:1····.·.~5 •• : .. •.iQ ;.:;20> •\p/.~1q·;c:o.01 ··as<·it::20·· 

42 69 1.15 166 2733 * <5 0.93 1.3 99 6.04 3 0.12 <1 0.68 906 0.06 2 <5 <5 <20 44 <10 <0.01 34 <20 

37 2 P-3.~ ~9 291 * <;5 ;.:(};01 M 18$ 10.41 ..::i q:12 :2: ·O'.pg: .J!~ -io:ot <:7: AO< <;5 ~20:: 4 ~10· <Qil1 77. · .. :<20 

29 6 0.57 <5 457 " <5 2.86 0.4 146 2.27 <2 0.13 <1 1.38 1596 0.02 <1 <5 <5 <20 26 <10 <0.01 13 <20 

38 :4 0.5 33 662. t < ~ -Zi~l 1. 8 178 . p;1f1/ ~,2 0.1 0;2 < 5 o.~9 144$ <0.01 . <5 <5} i~~ ~20 . ····•·••••··•·Q'~ )<10 <0;01 49 .· .... c:20 

10 7 0.9 21 982 * <5 2.85 0.2 88 11.49 3 0.29 2 0.32 773 0.03 <1 <5 <5 <20 37 <10 <0.01 25 <20 

a2 21. 2:or iB . 102Q/ ..::s / g:~2 , ; 4 as <H$~ · 4 o.ts 10 Q .. z~:Jm&~> o,Q?. isl r<s ·'$$ *20 · $:2 i$1 .. Q 9:94 ;;;r ~20 

13 8 1. 79 11 330 * <5 0.09 0.3 . 30 7.89 5 0.36 5 0.81 544 0.03 3 <5 <5 <20 5 <10 <0.01 41 <20 

1a 12 r2s sa < a4zt <l r:sa ? 0:3 • 31 J;s?~i 3;:. , 0;1a ~1 o:n 1§~~. ¢;02 ::~1 i~sr ·#& ~io :74 -sJo $O:ot 23· <20 

35 20 0.25 98 641 * <5 0.08 ~6.2 134 1.66 <2 0.14 17 0.02 45 <0.01 <1 7 <5 <20 2 <10 <0.01 8 <20 

49 24 0.37 137 1218 " <$ ~Q,01 Q,~ :J27 • 9.81 ~2 Pd · ::f OA6 353 ~0:01 : 51 : 7 <5 j$4Q . 4 ~10 ?;(l.Of 15 <:20 

15 5 0.24 541 194 * <5 ~0.01 a.3 232 3.53 <2 0.028 0.15 1 0.01 1ci <0.01 <1 <5 <5 <20 6 <1 o <0.01 6 <20 

11 9 0.84 333 . $~l ~ ~5) 1.1:3 p;~ : .. 83< ~.,29 .52 6.611 0'.37 ; ~1 0:53'. ~$~. '.(HQ? 4 15( t.::5 ?!!;2Q>: 32 'f,.1() ~Q;Qj, · Ht .i:::.2Q 

21 457 0.23 17 814 * <5 0.17 1.7 148 15.22 <2 0.01 <1 0.06 131 0.01 2 <5 <5 <20 10 <10 0.01 36 <20 

9 49 1.27' 16 25 L ,c:5 1<61 0'.? 95 ~:tQ8 <:,?Y . 0.08 .... ~t ;o,5~ 429 . ttttr: LS ~5 \ 5 ~20 ... 5T ~10 Q.1~ 51 + <20 

3 33 1.91 31 435" <5 3.61 0.5 90 7.19 <2 <0.01 <1 0.44 1415 0.02 20 <5 9 <20 179 <10 0.14 189 <20 

18 117 0.08 4.3 1060 ,. «=.5 . 0/02 0,8 ??8. 2.47 > ~? 0:()$3, .c::o;of 51 (fQt :\§ij ~Q.Q.1 :)•.;;1 ~5 . ~5 '.s;:20 ii sto• ~Q.QtH 5 :f2Q 

42 48 2.96 8 300 * <5 1.76 0.5 17 6.44 <2 0.28 3 2.22 334 0.03 21 <5 16 <20 23 <10 0.47 203 <20 

ts 4 1;0~ . s.a 4P.1~if 16 oc1; s 139?!: 7;4t 4 O.?J3 9 OJi 1a4 ·~c:n11 F a ~p;:: ·•-:.·~•·• $20 . 17 1⁄21Q ~Q:01 4:3·•· <20 

7 2 0.48 25 530" <5 0.05 0.8 74 2.99 2 0.576 0.22 9 0.18 57 <0.01 2 <5 <5 <20 9 <10 <0.01 24 <20 

10 3 o.44 ~5 >2oooom <:s 2:a9 ;24.,§ 19 tQJi§: •A{? · 0:02 ~1 0:45 ·(tos $(tPti:: 2 :~t:> 1$ (:<~Q •· <2s2 ~to :50,or 21 >-c:20 

49 8 0.76 141 3049 * <5 0.12 0.4 154 7.24 2 0.15 4 0.18 229 <0.01 6 10 <5 <20 7 <10 <0.01 68 <20 

4 0.42 .c:5 ::Zf:l.f?t~ ~p <2.37 ~0:2. 231 2 .. 6.9 . 6.4 O'.Q3,: . <1 . 9:~4 4~$2) <0.01 ~1 $5 i5 .\*?Q q0 i19: ."?0:01: i1 <520. 

21 4 0.87 22 623 * <5 2.4 0.4 147 1.99 3 0.1 0.35 10 0.27 724 0.02 6 <5 <5 <20 54 <10 <0.01 59 <20 

33 . 10 0;56 6 1803tf :: j\::5 1-4,§~ o.~t 47 .q.p :~t (l:Q§§ 0'.13 <1 P-~~. 1147 0!01 5 '<5< i 9.· ,-;20 4~7 {10: ~OJ)1 67 <20 

249 
R24 3735 

825 )~734· 

R26 3683 

827 •.. ·• 3676 

R28 

R28. 

R29 

R30i·•. 

R31 

831 

230 

231 

2358 

59 

56 

. 57•·. 

R31 229 

.R~.i (58 

R33 55 

g~~ <228 ... 

Kake, USFS Rd 6366 

Kake,. USFS Rt{$6~Q ·· 

Portage Bay, USFS Rd 45603 

P9rt~ge Bc1y, (J§F£i R.q 6Cl~1 

Salt Chuck area 

S9.lt C.hllc~ i=irea 

Salt Chuck area 

Towers Ami 

North Arm 

North Arm 

North Arm 

Jow~rs Arm 

North Arm 

Rep 

R¢P 

Rep 

North Arm . ' ::. :\(3. 

R34 8651 Kupreanof Pyrite area G 

R.35 >, · 4~ Castle River ;;1r$a ·. .··• B~P 

R36 459 Lindenberg Pen, USFS Rd.6352 G 

R3i: ::: 4~?: ... ·•· Lindent>erg P~oiU~F$ R~§~$~ R~P 

R37 458 Lindenberg Pen, USFS Rd 6352 G 

8~7 8711 •·•• Lind~riberg Pen. USPS}~~ 6~~2 s 

R38 9684 Lindenberg Pen, USFS Rd 6352 G 

·g3a•: 8665 L:indenbE:lrgPiilrnUSF$8g§3$¢ G 

R39 352 Spruce Ck G 

R3~ 353 $pruce ¢k 

R40 3816 Lindenberg Pen, 6352 

ig4q;t 3818 UrjqE:inμerg Pen;JJSFS R,9~354 S 

R40 3820 Lindenberg Pen, USFS Rd 6352 Rep 

841 9648 Little Dt.~ncah Bijy Rep. 

R42 24 Duncan Canal area Rep 

842• •·· Z§ . •: Duncan Canalarea · R~P 

R42 26 Duncan Canal area G 

R4i i1Q( [)uncanCc:tnc;ll~r~~ J~i:3P 

R43 186 Totem Bay SS 

R44i 187 Totem ~ay SS 

R45 182 Little Totem Bay SS 

84§ \183 LittleToteirrrBay SS > ··· R45 184 Little Totem Bay SS 

R4$ r 9632 .: Agony $S 

R47 9633 Agony SS 

~46 :< te2 .·. Helen .S Mine area G •• 

R49 2638 Charlie's Creek G 

8.50 429 Mitkof l:s, IJ§F~ Rd.f3?4-()/ C 

R50 2839 Mitkof ls, USFS Rd 6246 G 

8&l · 405 Mitkof Is; LJSF~ R.ci ~245 / s· 

R52 406 Mitkof Is, USFS Rd 6282 G 

R52< 2822 Mitkons; USFS R.4 &282 .··.······•c 

. Q.5 

0.3 

1 

0.3 

OJ:L . 

3 

oA 

0.3 

/•:?5 ... 

OA· 

0.5 

20• ... ··· 

Table A-2. Analytical results for reconnaissance investigations samples 

Doi w/ seams of py 

Q~;;c~tcVri wf~1.1lf > 

Qzvn 

·•·• ltrE=lgqlafqt~rirjg~r$ ')ijfa~~§iriJs 

OC F~st~~. 

· a¢·.· oz vn wrsmf, 

FL Qz 

oc 92: ~~n4in f~~gs 

TP Qz vn w/ trace gn 

•· rp·: •• :@@Yi:f!:i~!>:~ii s.¢ w[py : 

TP Sc w/ qz stringers & sulf 

: RO ·:·. . . . $h~~r~~ $q w/ ~~qi¢ PY 

OC Fest, gray sc w/ py on cleavage 

•.•·rp·• ... a,o~ky}r wf PY Pri q!~ijv;:ig~ ~uff?c~§ /·:·. 

FL Fest w/ 

FL 

FL 

oc 

oc 

PC 

RC 

PG. 

··•yqq 

oc 

·.·TP 

oc 

Re: 

RC 

··o.c··· 

9~ ..... ·.··.··.·•· PY 

q~ j/~~ams. qf py·· 

Oz w/fg py 

Y@t1Y:q~;¢~!¢ yrj w/p\:?I>!~i:,firi ttpfpgrpti · Fest marble 

.. E~$t At~mjr:9J~ : . Qz calc vri w/ suif 

.lfg$}J$.I m~tplft 

Rhyolite float in stream 

·· R)iyqfite f!<#it•1d$tr~~rn•:••··• 

Vole float in stream 

··w1~f19~tinstr~arn > 

Vole float in stream 

f,Jt: rfuy¢1it~ §~fqropjl'l. $tr~~m ) I 

Alt rhyolite outcrop in stream 

F~§t~Og~ij; \<•· 

Sil msv py 

:::/~ YD w{h~m:,yi.~and of py·.·< 

Qz vn w/ py 

>\ O?•vtcwl PO 

Qz vn w/ po hosted in hn M~(ijrvqrpttt~·WrPci ....... . 

250 

~5 ····•·cu~ 

<5 <0.1 

s ro;2 

<5 0.4 

ii:r·· 9<& 

<5 0.2 

. ~Q.1/ 

<5 <0.1 

·••:f.5: >::(Le·· 

<5 <0.1 

......•. •>!5$:. <0.1 

<5 <0.1 

··::<: .•• : ~5 >/:~Q;j\··· .. 

<5 0.1 

······· <5/ ··p~.3 

6 <0.1 

·~q< Q;?i: 

12 <0.1 

ai.:. f~o.1:· 

<5 <0.1 

· ·ss so;,···· 

<5 

<1:5· 

<5 

~5 

<5 

T :'.~~:ti 

<0.2 

<0.1···• 

<0.1 

:::\~0 .. 1:: 

<0.1 

0.3 

. 7(f· 

13 

44 

39 

102 

497 

HJ 

15 

•·:255. 

107 

•····H)4···· 

. . gJt5 

14 

41·· 

97 

·•· :~4:• 

4 

235 

16 

r>1g9 

31 

.. 1~1\ 

34 

<2 <1 

: 10 196 

7 66 

9 · ·rn•:ss> 

3 11 15 

rz~ : ::r <>4g::: 

12 21 85 

> 24 al• ?18 t:> 

16 35 280 

11 . 2:4/ fag·.··· 

15 25 160 

S. 10 14 

11 15 82 

170:f ·· .. :·4• < 98 

75 <1 26 

15 > ... 11?' 6 

30 16 61 

···.•.41t ·4./ < 8 

32 7 126 s4············ 6 .tJs / 

<1 

6 

. 1 

<1 

3 

2 

2 

2 

3 

.... · 3 

2 

2 

1 

/1 

1 

(j. 

3 

4 

6 

.• 13 

5 

<t 

5 

i 

18 

22 

49 

2 

2 

. >:3. 
R24 3735 

''825 3734 

R26 3683 

:B27 ~q7'6 

R28 230 

R28T 23.1. 

R29 2358 

830 :· 59 

R31 56 

.g~1.r 57 

R31 229 

R32 .5g 

R33 55 

R33 g~~ · R34 8651 

aas< 4s 

R36 459 

R.$7 AST·· 

R37 458 

R.97:: ~m1 

R38 9684 

R~~ 9685 

R39 352 

R~~ 353 

R40 3816 

:R4O.r · 3819• 

R40 3820 

R.41: ·· .. !:l648 

R42 24 

R42 · 25 

R42 26 

g42:·. 210 

R43 186 

R.44' : 187 

R45 182 

84~\ 183 

R45 184 

IRAE?r !119~2 

R47 9633 

R4fJ.. ?fl?: 

R49 2638 

RM· 429 

R50 2839 

R&1 Ab$ 

R52 406 

:fis2:, ie22 

8 

3 

37 

132 

9 

{1 

10 

47 

44 

59 

14 

1.5 

64 

29 

11 

9 

7 

34 

66 

;24 

25 

21 

53 

69 

18 

17 

12 

25 

31 

48 

20 

17 

11 

22 

17 

·•·· . .16 

16 

11 

.··••·s1 

21 

5 

7 

15 

33 

2 

.3 

11 

35 

<1 

8. 

<1 

14 

12 

1.3. 

1 

<1 

33 

10 

<1 

8 

2 

;2~; 

13 

1Q: 

27 

18 

31 

21 

2 

3 

1 

18 

15 

15 

2 

7 

9 

26 

20 

14 

16 

2 

11 

28 

11 

3 

8 

4 

16 

24 

0.16 

0:14 

0.31 

o:7 

0.01 

0;22 

0.04 

4,~3 

6.98 

6.'.05 

0.81 

().0:3 

2.83 

fp~ 

0.06 

0>76 

0.49 

z.~m 

2.12 

1.35 

1.09 

2,38 · 

3.05 

1:52 

0.05 

0.09 

0.07 

1:5 

0.71 

9.79 

0.25 

0.37 

1.37 

2.62 

2.38 

2.38 

2.49 

0.46 

1.68 

0.88 

0.09 

()..08 

0.76 

Q:26 

2.24 

1T4 

Table A-2. Analytical results for reconnaissance investigations samples 

85 203 * <5 3.57 1.5 39 20.08 <2 0.04 <1 3.35 581 <0.01 <1 <5 <5 <20 

:::5 : 41.3 ~5 1.9.7 0.6 66 2i2:4 ><2 : 0.Q2 <1 2I23 3701 ~Q:of> :~t \ <5 <; <5 ~?.Q 

<5 2926 <5 3.13 0.7 195 1.93 <2 0.32 0.14 2 0.27 1008 0.02 <1 <5 <5 <4 * 

6 2580 * <5. 0:92 0.4 \57 5.1 i;:2 <Oi01 · r0'.25 9 OJS 167> 0)02 iJ <5 :<=:5 : <4 * 

<10 <0.01 

,<jQ 0'.16 

<5 24 * <5 0.02 <0.2 157 0.2 <2 0.159 <0.01 <1 0.02 25 <0.01 <1 <5 <5 <20 <1 <10 <0.01 1 <20 

~io 

<20 

<20 

<20 

:-;::5 70 •" ;,;;5 3.48 <0.2 138 . f3ij : : f2 O.Cl15 ••. 0.02 ·.· • <1- • 0:25 44,1 ... :0,01 : . i:;1 .~5 c:;5 <20 Tl -:1.(} ~0'.01 17 

<5 2 <5 0.01 <0.2 353 0.39 <2 <0.01 <0.01 <1 0.02 37 <0.01 <1 <5 <5 <20 1 <10 <0.01 2 

as 4ea * · · · <5 10 oA 42 10 ~2 o.ost 0:04 · 1.3 ?2:os 302s< • 1:Lo.1 1 ·• :c:s a ••:· :-;:20 11s ~10 ~0:01 · 100 

10 >20000 * <5 1.3 0.5 80 8.6 7 0.103 0.05 <1 0.47 246 0.02 5 <5 <5 <20 2 <10 0.02 34 

33. ~20000 • :c:5 Z61 0.3 39 9A7 . 4 @91 o;p9 : {1 1.19 688> Ct01 · i 3 ·· <;5 <5 ..¢20 2 ~1() J~0.01 12 :-;:20· 

<5 19527 * <5 7.47 0.2 83 1.05 <2 0.108 <0.01 2 4.12 226 <0.01 5 <5 <5 <20 149 <10 <0.01 6 <20 

:• i<:5 · 583S" <5 :· o.e.s <0.2 303 ·· o.~4: < 1~ Q.jp4 .:b.01 ~1 o:os 4.1 · 0;01? ~J ~Pi /!<5 <:20 17 <:to -:0 . .o.1 .c1 ·:.;:20. 

<5 252 * <5 1.12 0.9 130 7.37 <2 0.413 0.03 4 1.96 857 0.05 3 <5 5 23 <10 0.6 179 <20 

<5 444J <5 1.~1 ? ~o,i 1~s: , ~,48· •<2 Q,t398 m;o2 g. 1 :34 542 owt · ~ · >f? : <:S : .: · > : 1~: ~10 -0.32 a2 <20 · 

7 127 * <5 0.04 <0.2 250 0.35 <2 0.018 <0.01 <1 0.01 32 0.01 <1 <5 <5 <20 4 <10 <0.01 1 <20 

15 635J -<5 3;95 0.6 186 2.27 L <:2 < Q:15 : 0.04 4 Q .. 83 522 i 0:04 <2 .-S5 . 6 <:20 . 201 ~10 :$0,0f 55 <20 

<5 574 * <5 6.46 <0.2 144 1.22 <2 <0.01 0.07 <1 0.45 1617 <0.01 <1 <5 <5 <20 566 <10 <0.01 12 574 * 

s ~54., <5 3 0.2 •gg BA6 4 so:.01: 0;22 4 3 .. 1s 1~sz Jt03 (~l ;.i::5• s <20 s2 14 02 · 90 554f 

32 655 * <5 1.44 <0.2 81 6.92 4 0.014 0.28 5 1.65 692 0.06 <1 <5 <5 <20 78 <10 0.2 74 655 * 

<5 2.8$r t ..::s <)1 .. 13 ~o,i · 94. < 2.64 2 .;0;01 Q<ts : e · · · 1 ) 343 <tos · .;;1 . ~tr :c;5 .i20 102 ..::1<f >022 s1 ?~Q • 

<5 914 * <5 0.86 <0.2 71 2.79 <2 0.012 0.33 2 0.65 295 0.03 <1 <5 <5 <20 47 <10 0.23 44 <20 

<si 1er'.' ss o:e so;2 59 .. · Jt25? :-c:2 o;oea oJr A. 1.11102e, .0.04: 1 · :~s <s c:20 42 ~10. 0;21 .. 4.3 

<5 405 * <5 2.85 <0.2 99 5.41 <2 0.018 0.04 2 2.08 1079 0.06 2 <5 10 <20 21 <10 0.44 133 

31 836.t ;,,:5 0;52 1,6 79 5.4.,f 4 0:542 0:05 >T 1.12<1210 O . .Q1. :7:. <;5·. 55 ~~() 1511Jl 0,11 •: ~4 <;:20 

<5 55"' <5 0.41 0.2 219 0.7 <2 0.095 <0.01 2 0.19 165 <0.01 <1 <5 <5 <20 3 <10 <0.01 4 55 * 

90 sa.2r< ~s .o;os <0.2 1as· · 1;1~ · ~2 o:2tr. 0.02 ;:~ Q.:<).t ': ·&4: -<=Q.of · ,c:1 . ~s ~s $20 $ ~10 ·..::0.01 a :eat.,,• 

9 421 * <5 <0.01 <0.2 304 0.65 <2 0.023 0.02 2 <0.01 35 <0.01 <1 <5 <5 <20 2 <10 <0.01 4 421 * 

10 .. ?1<F~ 4!5 U9 t.6 112· 3;82 ~g p:098 0:1)2 /5 . 1;,ia . S~4 o;q$( <(} <:5/ •<.8 <2Q 178 ;:<~gi 0;11 114 ~20 

38 236 * <5 10 <0.2 76 4.93 <2 0.298 0.07 2 3.52 832 0.02 4 <5 18 <20 332 <10 <0.01 125 <20 

74 446 ~ ..::s 10 :· .r;o,2 a4 f?A:2 ... ~2: .. o.o9 .s o.ps . . 4 · 4,~9 toaa: o.ca ':'::. ct · ~s 11 f~o < >5~7 :<:10 ·<:o,e>1 ~o <FW 

<5 771 * <5 5.99 <0.2 165 1.36 <2 0.022 0.02 <1 3.1 573 0.01 3 <5 <5 <20 445 <10 <0.01 15 <20 

19 1831 ·· <<:5 10 <;0.2 54 3.76 \;;2 Q.4~4 0;Q5 :2: :Hf$$:':71? 9:02: 4. to 10 .::w :3f?Q t1.o ~M1t · ·19 ···• ;.;:20 

14 53 <5 0.4 0.2 18 2.9 <2 0.067 0.12 18 0.53 452 0.22 <1 <5 <5 <20 30 <10 0.06 48 <20 

<11 43 <:S · o.s eta 1e rs:.98 2. Cttl4 0:1 : 24 1..22 2sas o:2s 51 · /~s , <~s :s~o: 94 /if1.o ci.tG 76 ~20 

18 78 <5 0.32 0.5 16 5.28 3 0.051 0.1 18 0.93 3054 0.14 2 <5 <5 <20 59 <10 0.12 58 <20 

42 45 .<:s o:a 0;2 u 9.4s 4 o;oz o.o9 1a P-M < ~$4 9.21 < 2 is r<:s .<:20 PP += tP oJ za ~io 

9 60 <5 0.35 0.3 18 3.82 4 0.081 0.07 20 0.78 2076 0.14 1 <5 <5 <20 61 <10 0.1 

§ :::?.~.: :~;> p::~:5 :~0,2.: •··•·.·sr:: O;p.2· ~2 0;034 •··•·O.Q5 :·:a.•··· o .. t.e 77 p:ps, ~1·· ...::5 '.'F5 ;,;;20::, ··· 19.· -<tQ .0.01·•··· 

15 43 <5 0.43 <0.2 17 3.99 <2 0.088 0.09 15 0.68 549 0.13 2 <5 <5 <20 55 <10 0.13 

s · 449 ! . .<5 · 6;9< ·Q}t 10s . 9:23 5 0:184 0.04 · · .4 a,9a 1394./ 0.02\ .;1 s5 24 s20 90 ii:lo .. ;;0..01 

58 10 <2 4.75 <.5 35 >15.00 <10 1.81 0.01 <10 0.06 340 <0.01 12 2 69 <.01 

§ <10t )o;a: -::cit 125::::: q.§~ ~2 0:0.1~> 0;01 · ~1 o.o3 1e1r. p;g~( -;1 ~5 ~s s20· to sto ~o,of' 

<5 760 * <5 3.1 <0.2 41 3.32 <2 0.027 0.39 · <1 0.52 1065 0.06 6 <5 <5 <20 117 <10 0.07 

~$ · 209 t "5 o,e2 .:;0:2 2ao o;s4 : ~z ~0.01 o.o9 •·· <1 o:oa 1.:,l~ o:os 2 <5 <5 <20 1s ~10 · 0:01 

<5 1212" <5 0.4 0.2 89 4.52 2 0.01 0.8 4 1.82 932 0.08 11 <5 <5 <20 24 <10 0.11 

~s i,1485A r /<5 Q;p2\ :0:4 70 {4:36 <~2 Q.Q11( OJ:iJ ,;1 1,1:f 6{3 0,07 :<a ~§ J sg. {?P 19 ~19 0:07 

251 

52 <20 

14 ~20 

63 <20 

210 «.20 

10 <10 

·4 ,r.;20 

60 <20 

15 <;20 

110 <20 

82 :C::20 
R53 403 Mitkof Is, USFS Rd 6245 

:B.$4} 404 Mitkof Is, Q$FS g~ ??45 

R54 2821 Mitkof Is, USFS Rd 6245 

855< 283 Zarembo fa; USFS Rp 659Q 

R55 9649 Zarembo Is, USFS Rd 6590 

B~ < 292 Z"ar13rJlt>e>)§; μ$f$ R~ 6592 .. 

s 

G'. 

G 

·: s 

G 

C 

R56 9652 Zarembo Is, USFS Rd 6592 Rep 

H57 323 Zar~mbo li;;J..J§F§ ij~ ~4Q,?i . S 

R57 324 Zarembo Is, USFS Rd 52022 S 

1~§7 • · 9ij7.!) .. ;za~~mbo l~{l!$F~f~~ §?0?2 • 

R58 302 Zaremba Is, USFS Rd 6590 

RSB 9Q$~ .• .. Z"aremtJq l~;l/$@8<:f 65~P· 

R59 290 Zaremba Is, USFS Rd 6590 

ij~q \ :. 28~ Zarenibo Is, USFS 8d p~QQ 

R61 287 Zarembo Is, USFS Rd 6593 

R.6.1 9650 .: Zaremba l~1 J.J$F$.Rd 6q~~ 

R62 285 Zarembo Is, USFS Rd 52021 

Rf>3 ·· 284 ····•·• z~r~rn1:>01~. DSF~ Rd .6590 

R64 286 Zaremba Is, USFS Rd 6590 

;86$ · 2~8 :Zaremba Is, l!SP§ gq 6597 

R66 297 Zarembo Is, USFS Rd 6585 

:Q 

G 

$ 

G 

G 

G 

·.G< 

C 

G 

s 

:f{aEf 9655 Zar~mbq ,~. WSF $ Rd E>fi?§ :: ; 18¢.P 

R67 9653 Zarembo Is, USFS Rd 6587 G 

8§~ > 294 ; • •.Zarembo li, 0$F$ Rp 6$94 c 

R69 1 Elephant Nose, E of Rep 

Re§> 2. ElephantNos~;E..Pf C 

R69 3 Elephant Nose, E of SC 

R§~}: ·•4. !;:lephanLN9~~;~of G 

R69 5 Elephant Nose, E of Rep 

~§@C ft Elephant Nose,:1;; cit C 

R69 7 Elephant Nose, E of SS 

Rf?~ 203 Ele,pt,;i!n.t NC>$~. !=- of Be.P 

R69 201 Elephant Nose C 

ft$~ cioi E,le,ph~nt N9$~ i< : <RC 

R70 2618 Wed~~Pe>irit gig::•· i~1ij Wedge Poin(.: 

R71 460 Etolin Is, USFS Rd 5~ 009 

:871+·: ai12 · . Etolin ls/USFSRd p1008 

R72 477 Etolin Is, USFS Rd 6544 

R72 ·• • 478T EJo!inis, USFS/Rd.6$44: 

R73 8713 Etolin Is, USFS Rd 6540 

•874! > 8714 !=tolin Is, USf,S fid 654-0 •. 

Ris 8730 Etolin Is, USFS Rd 51540 

876 8722 Etqlin Js, USFS Rd $1$4-0' 

R77 461 Etolin Is, USFS Rd 51581 

Ria\ r~7Jq· · 1=tolin is: W$FSRd~qa$ 

Rep 

s 

G 

<•::+·•·~ 

G 

C 

Rep 

•·:s•·.•·•· 

RC 

Table A-2. Analytical results for reconnaissance investigations samples 

RC 

RC 

oc . 0.3 fp· 

TP . ~It irit . ....,, qz yn~ ~. PX . ... . QA .. ·• •pp • ::< :F)a~tM&;gr~~tj§¢WlPY j :.• 

1 OC Shear w/ py in alt vole 

· . RC f)pl ijJ 9H~n(tft w[~4ij'.f~pl~g1rjg m~fj_~.···· < 

0.4 OC Alt sericitic granite w/ py 

• 0.2 

0.8 

0.3 

.•..••. 0;3 

0.7 

Oip•·•.:·· 

0;5 

2 

TP 

. TP 

RC 

QC 

oc 

:-r-e 

RC 

:•·•RC 

RC 

·oc 

1.5 

6@0.5 

0:5 

RC 

oc·· 

oc 

OC 

1 

0.7 

•2;5••.: 

1.5 

10} 

1.3 

0.6 

0.3 

0.4L 

0.5 ... 

0.5 

oc 

oc 

QC. 

oc 

··oc 

oc 

RC 

TP 

RC 

TP 

<oc 

RC 

TP 

TP 

RC 

TP 

:TP 

H~~v0yW~~lP¢rMJe~ffot 

Banded gs w/ seams & dissem blebs of py siLfuy91ife•wtPY~~~01§ · ···· ·.··. ·········· ····· ···· ········ ···· 

Fest gs w/ sulf 

i F~~t, q# rn§fu~qr1i~~ it py:· :· 

Vuggy fest qz vn 

Q~ytjifr~@~ ···················•···•··· ····•··••••<? Vuggy qz vn w/ PY 

Phyllitewtpypl~p~ 

Fest sil shear w/ py in slate : :F~~fg~ yn wl PY ........................ . Fest andesite w/ blebs & banded fg py 

.·•· ,A!t ~~gij§i{~ VII{ py]kPh~lp~tj<:11.JYih Y:Y9~ 

Fest, sil, gossany float 

F~~Wr~yqlite Wtfg PY ••• 

Fest qz vn 

Ai1/ri 

Qzvn 

A*;q~l,.~ijrl9it~·,~ri$ invriWt}im9h1f~.•··py&r;hi. Irregular qz vn ..... . . •••qiPhwLmf 

Stream in slate & granite float 

Q4YO 

Qzvn 

••;·.•• .. ·:•Jtregyhff c:,ZWHse§· 

Qz vn w/ sparse PY 

/·Hn$1~t~•WkPY 

Sil int w/ po, cp 

.•·.· pigdti~il:ti~~ wlf9.•P9 1nti4~lflg•rn~fb1~ 

Fest, sil metaseds w/ fg py 

•·$jl/.f~~t;f~r~!~ihfwt PY ~tqittg ~b~iaff L 

~~.~~~i.t~. "."l~.is~ern pC> ~hy91iJ~ wt PY 111. $tria11.tijctLires: 

Fest rhyolite w/ dissem po 

: F~§tq+yOwtpo10 ar · · 

Qzvn 

Rih.~·)qlgijy/:tTI9>fijl)p~ WI g~y~μ!f :•·•:. 

252 

•//] 

23 

:.2a 

12 

13·· 

27 

:••·• >44 

Oi2 

0.4 

· -!fo,1:n) 

<0.1 :::~9.]· 

<0.1 

·:o;s. 

0.1 

<dA. 

• •:;J.·1B · • ;,,i:QJ: 

. .(?3 .. 

19 

n 

4 

15 

14 

12 9 

. 1tr:.; •· .:1a··· 

39 33 

·1p4: :41··· 

116 5 . :\j5:::· :20·· 

13 4 

·1.6. 

95 

..•• 49 

40 

82 

222 

/254 

54 .. 34; 

14 

15 <0.1 19 

<2 

4 

9 

25> 

9 

5 

1JO 

46 

§5·• 0.3 .. ······>13 . 57 .. 

267 0.6 21 83 

140 

76 

111 

11~< ·• ? (ht · · ····· 31· >e. 

44 0.6 8 31 

~1 

23 

· 1 0.2 · · a·• 

<5 <0.1 5 6 

••.:·•·•<:•·•5QJ 

<5 <0.1 7 

:5~•·· $0.f ~2• 2 .•. 

<5 0.2 122 8 127 

L~f( · F•••r•P-$ 

<5 0.2 

•··<1a n • ~fl• 

7 ff 16 

)) ~5Y. <:QA\ 7 >6>: ././.9 · 

<5 <0.2 20 68 214 .. <5 ... ·(f2 6t •.. ·}{6 <176.. 

12 0.6 177 20 77 

?J ·•'< 0;6 24ft: >34 . f74 

<5 <0.1 14 6 48 .. •: 2:2 . '··.• T0:3 21 11 2~i. 

<5 

;.:5: 

<0.1 131 11 75 

<5 

6 

<5 

.. {$. 

· 0 ..2 12 · 27.> • r• 145 

<0.1 32 23 97 

?:~ 152 77 393 

<0.1 19 6 33 

··\Q,?/: •·/]4 •• ·• 2T< ·17.ij· 

;<;:1 

3 .. 2 

<1 

c;1 

6 

. ·:7 

:2 

2 

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<1 ··.· .. ~1 

5 

6 

2 

1 

3 

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4 

i 

1 

3 

2 

·••i••2 

8 

3 

12 

9 

6 

·••.16 

3 

6 

7 

:· 5 

3 

5 
R53 403 

Rs-4 404: 

R54 2821 

ijpq{• 283 

R55 9649 

856. 292 

R56 9652 

R,51 :3i3 .. 

R57 324 

Ht17 9670 

R58 302 

R58 : 9659 

R59 290 

860 28!3⁄4 

R61 287 

891 ~p$O· .. 

R62 285 

R&'a.t•·• 284• 

R64 286 

R&t> . :2~~•• 

R66 297 

£{$6 9655 

R67 9653 

868 . . · 294 

R69 1 

ijSQ'' .. 2..( 

R69 3 

Rμ9C 4 

R69 5 

Re~< 6 . R69 7 

869 403 

R69 201 

R§~ ?Pii· 

R70 2618 

R?P : 2s19·· 

R71 460 

g71 •··:J3?12 

R72 477 

H74 · 478T·' 

R73 8713 

iR74 ~714 

R75 8730 

R'l6<. ~72;2 

R77 461 

878 871~/: 

Table A-2. Analytical results for reconnaissance investigations samples 

4 4 0.31 <5 322 * <5 0.94 <0.2 154 1.07 <2 0.041 0.16 <1 0.03 110 0.07 <1 <5 <5 <20 

15 0.24.< ~ >59f • %5 •·· 1.2> <0.2·· 225 2i97 <2 0.01a ... q.q2< <1 JoA2 ; 205 c1;02 • 2 \~5> .::5 $~0 

61 13 2.3 <5 521 * <5 1.36 0.9 110 3.88 <2 0.029 0.14 4 0.98 819 0.01 6 <5 7 <20 

2 <1 0'.33 • •::q: 143 '\. ,<p >0.02 <0;.2 52 0.61 52 <:O!Qf. · Q.2f3 )/go . ;.;;oio1 . . ·15 0:03 >i1 . 55 -<5 <20 

8 5 0.28 116 154 * <5 <0.01 0.6 97 6.9 <2 0.136 0.11 2 0.02 11 <0.01 <1 24 <5 <20 

7 6 0;73 Q · fast~ ••. <~ 0.12 <Q.i 101 t.3.8 ~2 O.Qt2 o .. 34 l:3 · o.rn 2.:3:li }0!03 ~1/ <5 i;:5 <20 

12 20 2.44 102 414 * <5 0.28 0.6 49 7.54 4 0.028 0.28 17 1.69 577 0.03 <1 <5 8 <20 

3 1 oA9.i ~5 249 ~s oJ.4 <0;2 av> o'.7~• ;~f :p,pza o;t~< ~1 0.1s J~tr. o;oa <1 :•.;5: ~5 ~20 

4 4 0.67 <5 254 <5 0.09 0.3 82 1.45 <2 O.D18 0.16 21 0.05 496 0.05 <1 <5 <5 <20 

1 4 · o.s <s > 2s3 • <s 0.12 · o.3 1a 2;2 <4 o;os~ • J>;~3 15 · Ms 3t2 • p;o4 {$1 <5 <s i20 

2 0.9 40 20 * <5 0.01 0.7 61 4.05 7 <0.01 0.14 37 0.09 929 0.05 3 <5 <5 <20 

3 <1 0.89 25 47t <5 0.03 OA. > 77 4:46 . 7 -<Q.Q1 0/11 67 0.15 590 OJ:)6 2 <5 <5 c:::20 

19 47 3.14 14 254 * <5 0.98 <0.2 12 6.65 3 <0.01 0.05 <1 2.82 739 0.05 <1 <5 8 <20 

2 <1 o:36 .13 1:,9"' <5 o.oe · 0.2 e2 0;84 a <0.01 0.14 24 0.02 °114 om ~d ,i:5 •<5 <.20 

9 3 0.37 <5 220 * <5 0.07 <0.2 136 0.81 <2 <0.01 0.12 2 0.13 445 <0.01 <1 <5 <5 <20 

11 4 0.85. <5 399 ~ <5 5,63 0.2 90 j ,61 ic:2 -<0<01 0A3 8 o:M< 67~ (>'.Qi <f ~5 55 ~2.Q 

6 3 0.27 <5 4775 * <5 0.1 <0.2 158 0.44 <2 0.078 0.25 <1 0.05 57 0.01 <1 <5 <5 <20 

22.·.·.··•1a Ma <s Jaz:•; ···•·-c:s o;s1 :.::0.2 33 si2 .. :.;2.,c;o.01 0.1 3•··•··tAa·za4To:oa .~1 ><5· .. §.<?o· 

31 8 1.19 <5 509 * <5 4.77 <0.2 98 1.74 <2 0.018 0.13 4 0.5 1172 0.01 <1 <5 <5 <20 

8 2 0.53 1.79 545 * <5 1.56 0.9 150 2.01 <2 0.015 0.25 <1 0:14. 34.1 <0:01 <1 ~5 <5 <20 

12 23 2.17 172 225 * <5 1.41 1 29 8.38 8 0.141 0.13 11 1.32 708 0.05 <1 18 9 <20 

6 25 2.45 331 179 * <5 0.24 1.4 19 13.12 5 0.024 0.17 17 0.94 355 0.02 <1 <5 12 <20 

9 10 1.51 131 564 * <5 0.1 0.6 66 3.76 6 0.012 0.23 18 0.64 1346 0.02 <1 <5 <5 <20 

1 <1 o.54 20 1674 * <5 o.os o.a 30 1.93 2 0.21s o,~4 2s <0.01 23 .QJ>~ <1 .:::s <5 <20 

15 <1 0.04 <5 <10 * <5 0.14 <0.2 254 0.46 <2 <0.01 <0.01 <1 0.01 70 <0.01 <1 <5 <5 <20 

: 7 <1 0:02 <5 <tor <::5 0.02 <O;? 281 o.34 <2 <-0.01 ;.;o,p1 st <0.01 3:.r <0.01 <1 ~5 <5 <20 

17 1 0.15 <5 93 * <5 0.25 <0.2 261 0.58 <2 <0.01 0.05 <1 0.04 100 0.02 <1 <5 <5 <20 

1s s 0;4 ~s 146 * · ~s me (t2 21.4 1,32 . ~2 o.014t 0.01 1 0.11 31s.<o:.04• • i::} •+.<5 <5 .::20 

21 2 0.1 <5 <10 * <5 0.22 <0.2 312 0.67 <2 <0.01 <0.01 <1 0.()7 93 6.61 <1 <5 <5 <20 

10 s1 0,02 <5 ··•<itQ/• ~ir.· fM~t~o.2:a63 OA6 s2.:sQ . .01 .c::(ro1 ····..::t <(tor•::941,.::p:91 :,::1 ;;sr <S .~~9; 

20 22 2.42 6 465 * <5 0.79 0.3 18 4.6 <2 0.114 0.35 9 1.25 1542 0.11 6 <5 <5 <20 

12 s 0:21 ~s •21 * <5 1:11 0.2 1s1 Lt• :<:~ 'Q:9~?/•Q(Q1 2 <o.2a it~ Q,Q-4 ~1 · •i;5\ :.s? ·. ~?o 

7 <1 0.02 <5 45 * <5 0.03 <0.2 248 0.31 <2 0.014 <0.01 <1 <0.01 41 <0.01 <1 <5 <5 <20 

14 <1 0:02 . <5 •, so! .~5 <om :50,2. ,aet<: Q. •. :rr '%i ~q,Qr fP)n>r ~1: ;.:q.01 :?~ <cJ:Q.1> '.'#Jc *s <:5 s20 

4 <1 0.41 10 1440 <2 0.09 0.5 178 0.74 <10 0.01 0.21 <10 0.05 175 0.12 <2 <1 

4:a 23 1.a 2 · 1eo ,..::2 1<02 o.s so Ii~ :~10 • 0,01 q:22 ~Mo 1.1111,~$ o:oa ;.:;2 l : · 16 38 1.77 107 791 * <5 1.89 0.3 36 7.48 4 <0.01 0.3 17 0.24 744 0.1 <1 <5 5 <20 

24 · sa 2;03 79 stat c::s oJss PA \.ii: (9;12 s •$0.01 >o.6 14 >o .. a4 zeo:> o.oa ~l if~ •!):1:r.: 5gcr 

5 <1 1.93 21 57 * <5 2.46 <0.2 90 2.95 10 0.173 0.26 62 0.07 673 1.14 <1 21 <5 <20 

7 <1 0.4f 83 181.* <:5 0,01 <:0.2 15f3 0,11!:l 2 0.054 P:08\ l8 QJ)? :ff {}.DfF' .:;1 6 <:5 ..::w 

10 21 3.47 754 220 * <5 2.66 0.4 27 4. 77 5 <0.01 0.04 2 1. 7 523 0.27 <1 <5 <5 <20 

4 .. ,. <1 · o.3 · c::s · 102 , <;5 0.02 : :0.5 · az f4a ·· : ~~- gp.;ot : QJ§ a 0:03: /:As 0.11 · •~1 -;:s · ~5 :><20:: 

2 <1 0.3 6 13 * <5 0.04 0.3 84 1.03 <2 <0.01 0.12 34 <0.01 63 0.05 <1 <5 <5 <20 

s o;ss. <5 "77 ~ · .;5 o.sa 1;9 111 2:1 .::4 <o:o1' c oto2 ~1 · o,Q§ Mt 0:01 ?5t; <5 <5 ;.;20< 

11 3 1.69 18 102 * <5 10 0.6 61 1.06 4 <0.01 0.19 <1 0.51 1041 0.09 <1 <5 <5 <20 

4 <1 o.33 ..;:s · 2s t · ~s ..:;0,01( oA a2 1.:22 a fP-P1 9:11 a1 ;;;0.01 ~P 0.01 <:ti ·s5 F5 i20 

253 

17 <10 <0.01 7 <20 

•····••,·.·~~ <10 > 0,04 ·· 1.a 

99 <10 0.1 69 

·3 ,~10 ~(l01 < <1'. -::;gQ 

2 <10 <0.01 12 <20 

• 8 <10 50:01 8 <:20 

14 <10 <0.01 99 <20 

'. 34 ~JO i 0.02 9 ,;2Q 

16 <10 <0.01 14 <20 

· 1.s ;c1 o ~0:01 · 20 ··• ; f20 

2 <10 <0.01 2 <20 

4 ~10 <0,01 2 <20" . 

72 <10 0.2 157 <20 

(~ <:10 <:0'.01 1 <20 

6 <10 <0.01 7 <20 

··• A~t 510 'f P:01.•'· .. 1 T · :-;:20 

41 <10 0.01 5 <20 

42. -i::10 Q:1§{: 55 fZ.9 

321 <10 <0.01 17 <20 

s3 . .:to <Q.01 1.3 «20 · 

27 <10 0.02 146 <20 

11 <:10 . <0.01 112 <.20. 

5 <10 0.01 36 <20 

5 <:10 <:Q,Q1 <1 <20 

11 <10 <0.01 1 <20 

4 ~10 ~o:<,1 c;1 ..::20 

21 <10 <0.01 2 <20 

?$ 510.'.50.0:I 7 <20 

24 <10 <0.01 3 <ZO 

16 .~1.0 so.01 · <1 :s2P 

67 <10 0.14 74 <20 

~4 f;1.9: f0:01· · ·•···1s «20 

3 <10 <0.01 3 <20 

{~. i'.510 ~q111•; '. 4 • ~20 

21 0.01 4 <10 

. )•94 0;13 44 · <10 

42 <10 0.17 59 791 * 

1.~ ~10 . ·0;13 117 61.8 .. ~ 

28 <10 0.02 . 15 57 * 

1 ..;1p sm<n 1 1st* 

185 <10 0.25 141 220 * 

· <2 frn ,-:o,ot) · i · 1p2ri 

2 <10 <0.01 2 13 * 

51 510: 0\02 9 77'~ 

200 <10 0.07 30 102 " 

: 2 i1P. ~!'.fP1 ·2 2s * 
R81 246 :Bai< 74> 

R82 75 

882 242 

R83 81 

R83 ... 82.·.•• 

R83 245 

R~f{ ; R.6.&8 

R84 3689 

R.~R f:~90. 

RBS 2808 

R.~~r·· i~M 

R86 2855 

R~T: ··.142 

R87 9601 

R88 /26.37 Ras 95 

R$Pf . 2~47 ic 

R91 3745 

R.~2 3749 

R93 3744 

1~a4 2s4s 

R94 3743 

895: <~742 

R96 72 

.R96> 240 

Pat Ck 

Wrangell ls,U~F$ Rei $QC>50 

Wrangell Is, USFS Rd 50050 

Wra,tjgell. ls, lJSfSJ~4 6,?p~ 

Wrangell ls, USFS Rd 6265 

'Nrangell !s, •. U$F'S Rd ~Z!55 

Wrangell Is, USFS Rd 6265 

Wrang~IL!~.•· WSF$· .. Rd 62Q5 

Wrangell Is, USFS Rd 6265 

K&Darea 

K&D area 

Glory/.,.ake · 

Glory Lake 

•• .... E3uck. E3c1.r ar~c:1 

Buck Bar area 

Pprt~rfielcl (;k, @ heacl 

Porterfield Ck,@ head 

Camp6are~ 

Huff prospect area 

{kijigRiver area 

N Fork Bradfield River 

Wpper Martell Lake.area 

White River 

White Riv~r, NE of 

White River, NE of 

\1\/hite. River.. NI; qf 

Duck Point, W of 

Duck Point 

Rep 

G 

G 

:<G· 

G 

G\ 

Rep 

.G 

G 

R~P 

G 

Rep 

G 

J~ep 

s 

(3 

C 

Rep 

0.5 

(),4 

0.5 

0.1 

0.5 

1 

0.7 

0.25 

0.83 

Table A-2. Analytical results for reconnaissance investigations samples 

FL 

RC 

RC 

R-G 

RC 

/TP. 

RC 

RC 

RC 

FL 

FL 

FL 

FL 

oc 

cc 

•·•Re·• 

oc 

QC 

RC 

RC 

RC 

OG 

OC 

QC 

fest rrietci$ecis w/:dissern P• 

Alt vole w/ fg dissem po 

. ··• Q? vdWtm~sqovite 

Ar w/ bands of qz & po 

· ·• 9*·~~ \fifpclip ttji~Af · Garnet sc w/ qz lens & sulf 

'F~§tgqss.E111Y: $ifpt~c 

Qz vn in mica sc 

f'g~μifirJ.l1:1LJgtjdr~ti~if!~ 

Sc w/ qz, calc; po .. . R@Pq~ior1t~ dLJtcrqrrin ~tr~~rn ( ·· Granite in stream 

Q;z b9ulder•wtpp,f~P 

Garnet gneiss w/ dissem sulf 

•· f el di~~ W/fl\l~l ijμif plots ( ... Fest qz vn w/ sparse 

Fesf metaseds G~~iss ;;/minor suit 

.•···p~$t qz\16 iry.sc 

Asbestiform minerals 

Fest rn~tg$~ci~ wf Jg~μlf • 

Quartzite w/ py, minor cp 

.• dn~l~i:; p~n4~ntinJnl 

Fest qz vn w/ bt & po 

• aivn<ih111et(lseds· 

254 

<1 

<1 
R79 462 

R8Q •·y~4 

R80 260 

Raf 83 

R81 246 

R82 74 

R82 75 

8.f32'C 242 

R83 81 

R83 •·• 82 

R83 245 

884 3.688 

R84 3689 

R85 390 

R85 2808 

Ii~~ 2854 

R86 2855 

R87 142 

R87 9601 

R~ij 2637 

R89 95 

R~Q• 2842 

R91 3745 

·Raa a749 

R93 3744 

R94i2843 

R94 3743 

gf!p ~742 

R96 72 

89'? > 240· 

9 

48 

4 

60 

32 

49 

116 

50 

56 

36 

60 

5 

112 

7 

6 

6 

6 

23 

64 

3 

5 

10 

102 

14 

1402 

59 

35 

35 

4 

1 

<1 0.24 

47· 2:5 

3 0.95 

13 6.41 

11 3.59 

5 1:22 

14 2.74 

-7 f$r 

12 2.74 

8 1.76 

17 1.58 

4 2.05. 

25 0.6 

7 1.08 

6 0.95 

16 0.05 

18 0.07 

37 o.,os· 

22 4.82 

7 1.41 

4 0.47 

12 2,31 

27 2.02 

<1 0>()~ 

64 0.25 

37 5.21 

19 0.41 

4 0,68 

<1 0.38 

<1 0.24 

5 

<5 

<5 

<5 

<5 

.. <5 

<5 

<5 

<5 

.<5 

<5 

1.2 

846 

<5 

<5 

.<5 . .: 

<5 

:.:5 

<5 

14 ..<5 

14 

<5 

i:c,5 

<5 

'.'5 

90" 

229 

2559 * 

1§5 * 

225 * 

187* 

1079 * 

439:J/ 

647 * 

5371': 

923 .. 

895 .•• 

1017 * 

1.374:* 

1439 * 

25!'. 

52" 

2.58t 

504 * 

20 

100 * 

779 t 

1413 * 

<10J 

<10 * 

-·333f 

<5 151 * 

,:;;5 ·. 0847! 

<5 1274 * 

<5 ?O~!:lJ 

Table A-2. Analytical results for reconnaissance investigations samples 

<5 0.08 0.4 170 1.26 <2 <0.01 0.12 81 0.01 272 0.08 <1 <5 <5 <20 7 <10 <0.01 <1 90 * 

<5 0.33 <0.2 101 , ifp5. .. 5 0:027 0,58: : · 9 1045 2958 {)i09 .. 3 · .. <5 >7 <20 29 <:to Q.14 86. <:20·· 

<5 0.25 <0.2 73 2.27 <2 <0.01 0.61 6 0.6 515 0.08 3 <5 <5 <20 17 <10 0.18 41 <20 

!;ff -<:.20 

43 <20 

36 j,:;20 

<5 ~-Q.3 p.2 111 it64 9 ~0.01· o.49 ·. a o,~4 9~Pc• 0-4/ 10 :r~s rs -::20 312 ,c::10 .• Q.Q& 

<5 8.85 0.3 36 3.49 <2 <0.01 0.33 2 0.7 1197 0.2 7 <5 <5 <20 264 <10 0.04 

~~ :0]33 0:3 2?2_.· 1 .. 28 >.c:2 <0.01 0:27 : 4 . OJ> 1:47. ·:Q,Q~ 2! i;:5' <5 i20 . 55 .<to /Q:06 

<5 0.19 0.3 259 4.44 <2 <0.01 1.55 5 2.09 243 0.07 5 <5 12 <20 8 <10 0.19 114 <20 

·s3:· .ic:20 

63 <20 

•··s2 

:-=:!ii 1;s2 0:2 114 >2:14 :r 0.01 o,~$.< >a 0;9_6 t;,l2 Q.oaJ :$\ -<5 x1 ~w so ~10 o.mr 

<5 1.64 <0.2 177 2.78 <2 <0.01 0.59 2 0.96 240 0.12 5 <5 6 <20 69 <10 0.12 

<s • Q,99 <0.2 119 3.4a -;2 ;;;o.p1 o:ae 4 o.64 2ea oA ~r <5 <5 *20 97 ~.1c( :0'-14 

<5 0.4 <0.2 76 3.79 <2 <0.01 0.58 5 0.97 277 0.1 3 <5 6 <20 16 <10 0.13 75 

<5 Q.p9: •· Q.8 90 1:21 ;;· 2 0.068 • Q/1§/ 2 OA 10.1 ·. f:22 ·•· ~1 55 ·•• • •,c:?: )~4 ~ ·• · 57 .'f1Jl 0,04 31 . <4 ": 

<5 10 2.9 103 3.1 <2 0.22 0.19 3 0.69 1494 <0.01 <1 63 7 <4 * 762 <10 <0.01 26 6 * 

/<5 OC66 ~0.2 18 1:77 3 Q;()14 QA~ 1(1 .. Q.;56 44J Q;Q~ 5 .. <5 <5 .: <4 *• 31 <10 0.13 52 <4 ~ 

<5 0.8 <0.2 15 2,01 3 0.012 0.32 15 0.44 189 0.05 5 <5 <5 <4 33 <10 0.1 57 <4 * 

<5 0.35 <0.2 43 ········10 12 ();()5g ~0;01r ·z2.. 0,02 84~ <0;0i\ ..:1: ~5 <5 <20· · )6 <10 Oi09 771 1'@' 

<5 0.44 <0.2 52 10 3 0.013 <0.01 30 0.03 875 <0.01 <1 <5 <5 <20 9 <10 0.12 788 <20 

*5 -· 0-0:i 3 451 . 6:31 ... •~ i~ci;01 C(Q2) <1< 0;04 40 i;;Oi0t •. -;1 ~!i i~S ~4 t . •~ ·.<10 <.0.01 · <1 '.<4 

<5 4.22 <0.2 67 1.7 3 <0.01 0.03 <1 0.45 225 0.39 3 <5 <5 <4 * 122 <10 0.12 36 <4 * 

364 ··· o.oa <:5 100 3.87 · 10· •···pJl~ 0.16 ~16 P~;,1 ··•290. O.oi>i> $~ .:;1 3 -;;01 ··-•1~. 

<5 

<5 

69 

<5 

<5 

<5 

0.08 0.2 131 1.22 <2 <0.01 0.08 <1 0.24 103 0.05 <1 <5 <5 <4 * 5 <10 0.03 26 <4 * 

1.18 <0:2 &5i 5.22 4 <Q'.01 .. · Q.OQ 4 <J);9 ~Q7'. ... Qs17 )!=1 <:$ 8 · ~20 101 i~10\ Qi14 163 77;'fU 

1.2 0.6 241 4.12 5 <0.01 0.4 3 1.12 160 0.09 <1 <5 5 12 * 52 <10 0.13 157 1413 * 

0W2 <:Q,2 262 >p~7ij ;\<2 . 0'.29 0.01 - <f. (tOa \4~ <0.01 <1 $5 . is ~4 * :'41 2Q <0;01 . 6 <:1Q t 

0.04 <0.2 265 3.51 <2 <0.01 0.08 <1 10 478 <0.01 4 <5 <5 <4 * <1 <10 <0.01 5 <10 * 

3,:89 1.1 1JEV •4::S7 12 <0.01: 0;27 11 Q;s;r 17:~ < 0;~8 ~F> <;5 ~5 ~io 209 . 1Z 0.11 29 ~33f 

0.2 0.2 299 1.36 <2 <0.01 0.03 2 0.01 34 0.1 <1 <5 <5 8 * 35 <10 <0.01 3 151 * 

0:21 1.r 213 ?,5~ 4 ]ton :o:36 10 oA3 .1s2 :p.oa.} ~r :.\;5 ~s <4.-: 1s .::.10 p.o9 as a47 ~ 

0.1 <0.2 97 0.6 <2 <0.01 0.15 2 0.1 47 0.09 <1 <5 <5 <20 13 <10 0.03 4 <20 

Q.o~ ~0:2 · 39 •·p.sz · <2 ·~0.01 o:oa, ~1 co:oa st o,04\ 2·•···•· ··<s ·· <5 ~20>} s ,;:;10. \Q;o2 4 <20 

255 
r 

l 

(, 

t 

r· 

I l, 

,. 

\ 

L 

L 

r 

\ 

I 

r·· 

'\' 

I 

i 
Table A-3. Analytical results for rare earth element samples 

257 
11 174 

11 ... 115 

13.1 9628 

1~;ir 1,e 

13.2 179 

13.2 J~O , .. 

13.2 9629 

];3;,2 96~0/ 

13.2 9631 1~:a· Trt· 

35 181 

6Si2 9654 

53.3 296 

R§6 i~7 

Kadake Bay 

l<ad~keBay 

Point Saint Albans 

: /Poiht Saint•Atbant 

Point Saint Albans 

Poiot·.Sainf Albans 

Point Saint Albans 

. PointSaintAlban~ 

Point Saint Albans 

.• Point·'SaintAlbans 

Monongehela 

iarembo IS FhJorite 

C 

G 

C 

i~.i 

C 

.C: 

C 

C 

s . 'R~p 

C 

C 

Zarembo Is Fluorite Rep 

Zc:1r~mtiQ Is; L1$FS Rel 6585 .. ·· S 

0.1 

m3 

0.5 

<o;s··· 

0.1 

<<OA 

2.4 

1:1 

0.4 

'' 1.5 

3 

OA 

8 

Table A-3. Analytical results for samples analyzed for rare-earth elements 

OC Carbonaceous fossils in shale 

QC Q~fbpri~q~oμs.l:l~dJh 1s•· 

OC Gw w/ py band at margins of dike · ·oc Q~!~r;i§'f!iPY · ·· · ····· · ···· · · · 

OC Qz lens w/ blebs of sl 

oc .. 1

• i• 1

•·•0£vh•w/a~py/py, Sl{gh 

OC Fault zone in gw w/ qz & sulf 

q¢ ' · •• fE3~t~M~f'.?Pll~ w{qz ~ ~μIf 

OC Sheared gw br w/ gn 

·.•·oc ···f.e~t qi~¢ijlc?Qn~WLPY/Jg:$L: 

OC Fest vole 

QC . . yμggy; qty§(~Jlih~ qi tjf!Q@~ij~it~ 

OC Fest, banded andesite w/ py 

•• RC F~~l ~b.q¢~it~ w/l;>lel?~ ~: ~?O~~~fg· PY. 

258 

27 <0.5 

21 0,7/. 

38 1 

1p.?1\2 

14 0.8 

19 .. 0.,8 •. 

14 - 0.8 

:12 iQJ 

110 0.9 

24 :¢Pi?: 

65 <0.5 

39 1:7 

19.4 3.8 <1 6.6 46 3 

fQ:2 ~1QU 2A.:• tU~. L iff {Q/&i 6 ?1 

15 0.3 10 5.4 2.4 <1 4.9 <1 2 

1f OJi 12 5:6 YfE1 •~1 2,1 4 1 

20 <0.2 17 2.7 3 <1 0.6 <1 <1 

11 \C.OJ~ s10 ·· §:~{ Af9 :$1 {Qi§ ss <=1 

7 <0.2 <10 3.7 1.8 <1 1.3 <1 <1 

12 5Q:?: 10 1Q 2 51 ••· ... t5 . '.<::1 <::1 

14 <0.2 <10 6.2 1.1 <1 1.2 <1 <1 

· a <=0;2: ..:to :i?i9 . 1~$ · .. ~1 :: 1:a · ::<::1 

38 1 43 1.3 8.6 1 17 7 7 

. 11 \Q'.@ 10 0.6 2)1 -i;1 1\8 1 1 

35 0.4 25 1.6 4.2 <1 20 9 3 

1a · o,a · ·· ·· 24 ·· · 2a.f? · s .•a · .A \:t.1 2 4 
APPENDIX B - LISTS OF MINES, PROSPECTS, AND MINERAL 

OCCURRENCES 

Table B-1. Alphabetical list of mines, prospects, and mineral occurrences :: ,. .. , •:. :•H:i ·:/. ' ... 

M~f~o.: P4lge,;P.O/i I• ," .. '. •. 

;; 11ap110~· Page no; i 

·:, _. Nam.e .•·· ·, .·•' \(F,1ate•l) ·.(tn·text)O : ·: .··.·· ,. Name· .•.: .:,; (Pla.t~1) (i:rlt¢xt) 

Allied Mine Group E 1 16 Kupreanof Pyrite 28 62 

AMAX Molybdenum 72 144 IF Lake 82 171 

Andrew Creek 69 132 :_ Little Creek 4 21 

Berg Basin 83 173 ·•Lost Show 37 81 

Berg 85 177 . · Lost Zarembo 52 104 

Black Crag 86 178 ··MadDog2 42 90 

Bradfield River 92 188 :• Maid of Mexico Mine 40 87 

Bruiser 61 118 <Mary Moose 68 131 

Brushy Creek 45 94 .[. Mitkof Island, USFS Rd 6245 48 98 

Buck Bar 67 130 :; Monongehela 35 73 

Cascade Mine 66 128 ::: Mt Lewis Cass 90 185 

Castle Island Mine 29 64 ]"; Nelson Glacier 78 160 

Copper King 84 175 s/ Niblack Island 62 119 

Copper Zone 75 152 \Nicirque 32 70 

Com 9 31 i North Bradford River Skarn 89 183 

Cornwallis Peninsula 2 17 North Marsha Peak 76 154 ·u. 

Craig Claims area 88 181 :y North Silver 70 136 

Craig River area 87 179 :' Northeast Cliffs 71 142 ·u 

East of Harvey Lake 41 89 t Northern Copper 21 49 

East Marsha Peak 77 156 { Pinta Point 14 . 40 

East Duncan Pyrite 30 66 ;~ Point Saint Albans 13 36 

Exchange 56 110 ~: Portage Creek 24 56 

Fortune 43 91 i:: Portage Bay Pit 20 47 

Freel & Durham 46 96 \:Road Show 47 160 ., 

Frenchie 50 101 x Round Point 55 107 

Glacier Basin 81 168 f Saginaw Bay Barite 10 33 

Groundhog Basin 73 146 t Saginaw Bay 7 27 

Gunnuk Creek 17 44 .: .. Salamander Creek Pit 60 117 

Harvey Creek 39 86 } Salt Chuck 23 54 

Hattie 44 92 ..• ·· Scott 36 79 

Helen S Mine 38 83 ·. South Silver 74 150 

Huff 79 163 ..... Southwest Duncan Canal 33 71 

Hungerford 8 28 · Spruce Creek 31 68 

Indian Point 26 60 ••·· Steamer Bay 58 114 

K&DMine 63 123 Sun 64 125 

Kadake Bay 11 34 1·•·• Sunrise 57 111 

Kake Area Road System 15-16,18 42 ·· Taylor Creek 25 58 

Kane Pk 19 45 TB 34 72 

Katherine 6 25 • · The Islander 65 126 

Keku Islet 3 19 Towers Creek 22 53 

Kuiu 12 35 Upper Marten Lake 91 186 

Kuiu Lead-Zinc 5 22 West Duncan 27 61 

West Nelson Glacier 80 166 Zaremba Island Hornblendite 51 103 

259 
I 

Map 11q. Pag,rno. · 

(Plate 1) (i.Iltext) 

59 116 

53 105 

260 

Mip.110. iBage IlOi 

(fl~tt=tl). (in text) 

49 100 

54 106 

C 

r 

l 
Table B-2. Latitudes and longitudes of mines, prospects, and mineral occurrences in 

the Stikine area. based on map numbers from Plate 1. :,-_"'', .. .. :r·, . ·.• .'"'"'.•,' . fi~M~t:ir·•)t'< ;:"•,:,:,::·_ --.... ,,,, 

1vlap: -':· i ... :' _·,; :;; iLongitude ·•• No;, .. i L.®CA~ION ........ ... •. .. :'.·, ····· ....... · . a~~min:s~~ .··. cieiraiill sec. 

1 Allied Mine Group E 56 54 27 -134 17 42 

2.1 Cornwallis Peninsula 56 55 36 -134 1150 

2.2 Cornwallis Peninsula 56 55 17 -134 11 34 

2.3 Cornwallis Peninsula 56 55 13 -134 11 11 

2.4 Cornwallis Peninsula 5655 7 -134 IO 46 

3 Keku Islet 56 55 39 -134 7 58 

3.2 Keku Islet 56 55 24 -134 7 12, 

3.3 Keku Islet 56 55 18 -134 6 59 

4 Little Creek 565420 -134 7 46 

5.1 Kuiu Lead-Zinc 56 53 59 -134 6 23 

5.2 Kuiu Lead-Zinc . 56 53 52 -134 6 19 

6.1 Katherine 56 5411 -134 5 21 

6 Katherine 56546 -134 4 42 

7 Saginaw Bay 56 53 27 -134 9 38 

8 Hungerford 5653 30 -134 4 44 

8 Hungerford 56 53 21 -134 4 19 

9 Corn 56 52 51 -134 4 26 

10 Saginaw Bay Barite 56 52 28 -134 13 19 

11 KadakeBay 5648 23 -133 56 54 

12 Kuiu 56482 -133 56 39 

12 Kuiu 56 47 53 -133 56 36 

12 Kuiu 56 47 45 -133 56 30 

12 Kuiu 5647 42 -133 56 27 

13 Point Saint Albans 56 6 31 -133 57 27 

13 Point Saint Albans 56 616 -133 57 29 

13 Point Saint Albans 566 8 -133 57 29 

14 Pinta Point . 57 5 54 -133 52 55 

15 Kake Area Road System 57 3 4 -133 49 46 

16 Kake Area Road System . 57 217 -133 53 32 

17.1 Gunnuk Creek 57 00 14 -133 51 25 

17.2 Gunnuk Creek 56 59 57 -133 51 47 

17.3 Gunnuk Creek 56 59 48 -133 52 17 

18 Kake Area Road System 56 59 18 -133 57 32 

19.1 Kane Pk 56 59 16 -133 4 22 

19.2 Kane Pk 56 59 11 -133 4 20 

19.3 Kane Pk 56 58 42 -133 4 5 

· 20 Portage Bay Pit 56 54 52 -133 16 7 

21.l Northern Coover 56 53 31 -133 21 51 

261 
Table B-2. Latitudes and longitudes of mines, prospects, and mineral occurrences in 

the Stikine area, based on map numbers from Plate 1. : :.:: ... ;' .,, : : .. ,,, ... ,. ·: 

M:ap .. Latitude •• Lot)gftucle ... ': 

No .. , .... ·., L0CA1?1©N. -,-,-o.,, ,• .. ,. :• ·: i clegJtiinseC•. .aeii ·riUit:Sec :. 

21.2 Northern Copper 56 53 18 -133 21 59 

21.3 Northern Copper 56 53 20 -133 22 10 

22.1 Towers Creek 56 51 29 -133 24 2 

22.2 Towers Creek 56 51 19 -133 23 47 

22.3 Towers Creek 56 51 14 -133 23 42 

23.1 Salt Chuck 56 50 26 -133 19 21 

23.2 Salt Chuck 56 50 25 -133 18 36 

24.1 Portage Creek 565056 -133 15 42 

24.2 Portage Creek 56 50 51 -133 15 48 

25.1 Taylor Creek 5647 46 -133 21 28 

25.2 Taylor Creek 5647 35 -133 21 31 

26 Indian Point 564424 -133 14 39 

27 West Duncan 564019 -133 15 29 

28 Kupreanof Pyrite 56 39 59 -133 15 23 

29.1 Castle Island Mine 56397 -133 10 2 

29.2 Castle Island Mine 56 39 00 -133 9 47 

29.3 Castle Island Mine 56 38 53 -133 9 42 

30 East Duncan Pyrite 56 39 27 -133 5 5 

31.1 Spruce Creek 56 4042 -133 3 19 

31.2 Spruce Creek 5640 31 -133 2 34 

31.3 Spruce Creek 56 39 50 -133 144 

32 Nicirque 56 38 58 -133 129 

33 Southwest Duncan 56 33 55 -133 5 57 

34 TB 56 31 52 -133 30 00 

35 Monongehela 5628 5 -133 26 5 

36.1 Scott 56 34 29 -133 00 9 

36.2 Scott 56 34 25 -133 00 14 

37 Lost Show 56 34 24 -133 3 29 

38.1 Helen S Mine 56 34 14 -133 4 1 

38.2 Helen S Mine 56 33 52 -133 4 3 

39.l Harvey Creek 5634 5 -133 3 57 

. 39.2 Harvey Creek 56 33 53 -133 3 43 

40 Maid of Mexico Mine 56 33 54 -133 1 53 

41 East of Harvey Lake 56 33 28 -133 00 32 

42.1 MadDog2 56 33 1 -133 1 36 

42.2 MadDog2 56 32 50 -133 1 23 

43 Fortune 56 31 59 -133 3 10 

44 Hattie 56 31 58 -133 2 50 

262 
Table B-2. Latitudes and longitudes of mines, prospects, and mineral occurrences in 

the Stikine area. based on mao numbers from Plate 1. , .. ·, ·•· .. . }./' . ·:, ·; '·.\' ' ','/ ..• .,,.:,:.:•-:< :'.•:·.·.; ·, E011gi1~~~-·i?:,;1

Map ~ : 

·· -· ·· .. :,::;i;t,iPf :ls , '.::•r·f 

Latitude : . ····• ;,''~,·_'!. /.'· '::= .:·, "'. '' .· ·.·:- ',( 

No . . , ... :•. T1-1t"''A•«u,·•" ;: .. ' dei?:.foin>sec .>:. deg ntln\sec. { 

45 Brushy Creek 56 31 12 -133 1 4 

46 Freel & Durham 5643 10 -132 46 47 

47 Road Show 56402 -132 42 39 

48 Mitkof Is, USFS Rd 6245 56 33 10 -132 45 7 

49 Zarembo Is, USFS Rd 52009 56 25 26 -132 59 2 

50 Frenchie 5625 8 -132 57 3 

51.1 Zarembo Homblendite 5625 9 -132 37 48 

51.2 Zarembo Homblendite 56 24 53 -132 37 39 

51.3 Zarembo Homblendite 56 24 51 -132 37 55 

51.4 Zarembo Hornblendite 56 24 51 -132 38 9 

52 Lost Zarembo 56 22 54 -132 53 54 

53.1 Zarembo Island Fluorite 56 17 57 -132 57 43 

53.2 Zarembo Island Fluorite 5617 44 -132 57 29 

53.3 Zarembo Island Fluorite 56 17 33 -132 57 20 

53.4 Zarembo Island Fluorite 56 16 13 -132 55 52 

54 ZF 5617 28 -132 48 24 

55 Round Point 5616 50 -132 42 12 

56 Exchange 56 25 16 -132 31 58 

57 Sunrise 5625 7 -132 3146 

58.1 Steamer Bay 56 813 -132 39 22 

58.2 Steamer Bay 56 8 9 -132 39 36 

59 Wrangell Airport Pit 56 29 10 -132 22 49 

60 Salamander Creek Pit 56 18 22 -13213 29 

61 Bruiser 56624 -132 4 35 

62 Niblack Island 563 7 -132 5 57 

63 K&DMine 57 28 49 -133 28 33 

64.1 Sun 57 19 8 -132 57 55 

64.2 Sun 57 19 53 -132 5446 

65 The Islander 57 16 3 -133 30 42 

66 Cascade Mine 56 59 30 -132 47 20 

67.1 Buck Bar 5643 5 -132 4 12 

67.2 Buck Bar 564248 -132 6 23 

67.3 Buck Bar 56 42 50 -132 6 11 

67.4 Buck Bar 5642 21 -132 3 49 

67.5 Buck Bar 5642 19 -132 3 37 

67.6 Buck Bar 56 42 16 -132 3 15 

68 Mary Moose 564000 -132 14 22 

69.1 Andrew Creek 56 36 19 -132 9 42 

263 
Table B-2. Latitudes and longitudes of mines, prospects, and mineral occurrences in 

the Stikine area. based on man numbers from Plate l . .. _,:,,:.·, ,, .. •< 

.·· ... t!\ .· .. ·.··· ·•. T ··: C . ~,,_ .. · 

t~~iitldl : . ·····• • • :Map ii•··•·. · r< ...... , . .... LOil~~tli~~··•·.• : •. ? • : •• • C 

No.·••.:·'· , ...... ...... tttzdiiinsec · ...··· .... . >..C ···.· derl\fiiins,sec .• .. ~ 

69.2 Andrew Creek 56 34 15 -132 6 45 

69.3 Andrew Creek 56347 -132 6 17 

69.4 Andrew Creek 56 34 3 -132 5 57 

69.5 Andrew Creek 56 33 57 -132 6 15 

69.6 Andrew Creek 56 33 51 -132 5 35 

69.7 Andrew Creek 56 33 38 -132 6 21 

69.8 Andrew Creek 56 33 20 -132 5 48 

69.9 Andrew Creek 56 33 24 -132 4 33 

70.1 North Silver, N 56 3128 -132 2 21 

70 North Silver 56 3054 -132 2 41 

70.3 North Silver 56 3056 -132 2 19 

70.4 North Silver 56 3043 -132 2 30 

70.5 North Silver 56 30 37 -132 2 21 

71.l Northeast Cliffs 56 319 -132 3 8 

71.2 Northeast Cliffs 56 30 39 -132 3 5 

72 AMAX Molybdenum 56 318 -132 3 38 

73.1 Groundhog Basin 56 311 -132 3 35 

73.2 Groundhog Basin 56 30 56 -132 3 50 

73.3 Groundho~ Basin 56 3050 -132 3 40 

73.4 Groundhog Basin 56 3040 -132 3 23 

74 South Silver 56 30 25 -132 2 19 

75.1 Copper Zone 56 3029 -132 2 53 

75.2 Coover Zone 56 30 16 -132 2 54 

76.1 North Marsha Peak 5629 40 -132 2 45 

76.2 North Marsha Peak 56 29 34 -132 2 34 

77.1 East Marsha Peak 56 29 26 -132 l 42 

77.2 East Marsha Peak 56 29 20 -132 147 

78.l Nelson Glacier 56 29 30 -132 0044 

78.2 Nelson Glacier 56 28 59 -1315950 

79.1 Huff 56 29 34 -1315956 

79.2 Huff 56 29 21 -1315959 

79.3 Huff 5629 3 -13159 49 

79.4 Huff 56 28 57 -1315941 

79.5 Huff 56 28 49 -13159 29 

79.6 Huff 56 28 45 -1315910 

79.7 Huff 56 28 35 -1315917 

80 West Nelson Glacier 56 28 45 -1315951 

81 Glacier Basin 56 28 46 -132 1 14 

264 

r i 

( 

I 

I 

I. 

( 

i 

,. 
Table B-2. Latitudes and longitudes of mines, prospects, and mineral occurrences in 

the Stikine area. based on mao numbers from Plate 1. ' ·., ... . .. . . . ·. : ·.:' .. ·· .., 

l\tl:ap· .·,, 

...... :: 

tatifude , . Longitude., : 

No .. ·. : LOCATION '·' .· c1egnr1ri•sec. degillin.secO; 

82.1 Lake 56 28 25 -132 5 43 

82.2 Lake 56 28 18 -132 5 47 

83 Berg Basin 56 2648 -132 00 36 

84.1 Copper King 56 2624 -131 57 50 

84.2 Copper King 56 26 21 -1315755 

85 Berg 56 23 20 -1315725 

86.1 Black Crag 56 32 00 -13142 4 

86.2 Black Crag 56 3216 -131 41 28 

86.3 Black Crag 56 32 46 -13140 38 

86.4 Black Crag 56 32 56 -1313928 

87 Craig River area 56 27 53 -131 2119 

88.1 Craig Claims area 5627 4 -13115 16 

88.2 Craig Claims area 56279 -1311413 

89.1 North Bradfield River Skam 56 24 37 -13125 00 

89.2 North Bradfield River Skam 56 24 29 -131254 

89.3 North Bradfield River Skam 56 2410 -131255 

89.4 North Bradfield River Skam 56 23 48 -131252 

89.5 North Bradfield River Skam 56 23 28 -131241 

89:6 North Bradfield River Skam 56 23 35 -13123 25 

89.7 North Bradfield River Skarn 56 23 13 -1312315 

90.1 Mt Lewis Cass 56 23 32 -13174 

90.2 Mt Lewis Cass 56 23 33 -131640 

90.3 Mt Lewis Cass 5623 9 -131634 

91 Upper Marten Lake 5617 16 -13147 30 

92.1 Bradfield River 5613 47 -1313237 

92.2 Bradfield River 5613 35 -1313025 

92.3 Bradfield River 5614 8 -131274 

265