U.S. Department of the Interior - U.S. Geological Survey

Talkeetna Mountains quadrangle

Descriptions of the mineral occurrences shown on the accompanying figure follow. See 

U.S. Geological Survey (1996) for a description of the information content of each field in the 

records. The data presented here are maintained as part of a statewide database on mines, 

prospects and mineral occurrences throughout Alaska.

Distribution of mineral occurrences in the Talkeetna Mountains 

1:250,000-scale quadrangle, southcentral Alaska

This and related reports are accessible through the USGS World Wide Web site 

http://www-mrs-ak.wr.usgs.gov/ardf. Comments or information regarding corrections or 

missing data, or requests for digital retrievals should be directed to the autho-:

J.R. Riehle

U.S. Geological Survey 

4200 University Drive 

Anchorage, AK 99508-4667 

phone (907) 786-7423

Alaska

Location of map area In Alaska

This report is preliminary and has not been reviewed for conformity

with U.S. Geological Survey editorial standards or with the North

American Stratigraphic code. Any use of trade, product, or firm

names is for descriptive purposes only and does not imply

endorsement b\ the U.S. Government.

OPEN-FILE REPORT 98-473

USGS
Alaska Resource Data File TK001

Site name(s): Treasure Creek

Site Type: Prospect 

ARDFno.: TK001 

Latitude: 62.88 

Longitude: 149.3

Quadrangle: TKD-5

Location description and accuracy:

Three mineralized sites within 1 mile (1.6 km) of one another on Treasure Creek, a small 

tributary of Portage Creek, 4 miles (6.4 km) upstream from confluence with Susitna 

River (Csejtey and Miller, 1978, loc. 9).

Commodities: 

Main: Cu, Mo 

Other: Au, Zn

Ore minerals: Arsenopyrite, chalcopyrite, fluorite, molybdenite, sphalerite 

Gangue minerals: Clay, quartz

Geologic description:

Disseminated sulfides, fluorite, and epidote in silicified and sheared Tertiary granite 

stock, and in argillite and metagraywacke intruded by the granite. Local intense argillic 

alteration and limonite staining adjacent to fault and extending irregulrrly up to 300 ft 

(100 m) into granite stock. Argillite and metagraywacke part of extensive Lower Cretaceous flysch unit. Granite stock part of the lower Tertiary McKinley pMtonic sequence. 

0.18 oz/ton Au, 2-3% Zn, 0.1-0.5% Cu, and 0.1-0.5% Mo in analysis of arsenopyrite-rich 

surface boulder (Richter, 1963); up to 1.0% Mo, 2.65% Zn, 1.7 oz/short ton Ag in rock 

samples from one of the zones (Kurtak and others, 1992).

Alteration:

Argillic

Age of mineralization:

Early Tertiary

Deposit model:

Porphyry Cu-Mo (Cox and Singer, 1986; model 21 a)

Deposit model number (After Cox and Singer, 1986 or Bliss, 1992):

Pagel
Alaska Resource Data File TK001

21a

Production Status: None 

Site Status: Inactive

Workings/exploration:

Minor surface workings and shallow drilling. 0.18 oz/ton Au, 2-3% Zn, 0.1-0.5% Cu, 

and 0.1-0.5% Mo in analysis of arsenopyrite-rich surface boulder (Ricrter, 1963); up to 

1.0% Mo, 2.65% Zn, 1.7 oz/short ton Ag in rock samples from one of the zones (Kurtak 

and others, 1992).

Production notes: 

Reserves: 

Additional comments:

References:

Smith, 1942; Richter, 1963; Berg and Cobb, 1967; Cobb, 1972, MF-370; Karlson and 

others, 1977; MacKevett and Holloway, 1977; Csejtey and Miller, 1978; Singer and others, 1978; Cobb and Csejtey, 1980; Nokleberg and others, 1987; Kurtak and others, 

1992.

Primary reference: Kurtak and others, 1992 

Reporter(s): Nokleberg, WJ. (USGS) 

Last report date: 3/22/94

Page!
Alaska Resource Data File TK002

Site name(s): Mint 

Site Type: Mine 

ARDFno.: TK002 

Latitude: 62.869 

Longitude: 149.358

Quadrangle: TKD-5

Location description and accuracy:

Located on Portage Creek about 2 3/4 mi (4.4 km) north of confluence of Susitna River 

and Portage Creek; 9 mi (14.4 km) east of Chulitna; location accurate to within 1/4 mi 

(400 m).

Commodities:

Main: Ag, Au, Cu, Pb

Other:

Ore minerals: Arsenopyrite, chalcopyrite, galena, miargyrite, pyrargyrite, pyrite, tennantite 

Gangue minerals: Quartz

Geologic description:

Host rocks are andesite, argillite, and graywacke. Age of sedimentary host rock is Cretaceous-Tertiary, age of associated igneous rock is Tertiary. Mineralization consists of 

quartz-sulfide veinlets and stockworks in brecciated argillite and graywacke that are cut 

by altered andesite dike; veinlets also in dike.

Alteration:

Altered andesitic dike

Age of mineralization:

Deposit model:

Porphyry Cu-Au or polymetallic vein? (Cox and Singer, 1986; model 20c, or 22c?)

Deposit model number (After Cox and Singer, 1986 or Bliss, 1992):

20c or 22c?

Production Status: Yes; small 

Site Status: Inactive

Page 3
Alaska Resource Data File TK002

Workings/exploration:

Two short tunnels and an open cut yielded up to 270 ppm Ag, 3 ppm Au in rock analyses 

(Kurtak and others, 1992)

Production notes: 

Reserves: 

Additional comments:

References:

Brooks, 1925; Capps and Short, 1926; Smith, 1929; Smith, 1930; Sm;th, 1932; Smith, 

1933; Smith, 1937; Smith, 1939; Wedow and others, 1952; Richter, 1963; Berg and 

Cobb, 1967; Karlson and others, 1977; MacKevett and Holloway, 1977; Csejtey and 

Miller, 1978; Singer and others, 1978; Cobb and Csejtey, 1980; Kurtak and others, 1992.

Primary reference: Richter, 1963 

Reporter(s): Riehle, J. (USGS) 

Last report date: 8/1/96

Page 4
Alaska Resource Data File TK003

Site name(s): Unnamed

Site Type: Prospect 

ARDFno.: TK003 

Latitude: 62.858 

Longitude: 149.317

Quadrangle: TKD-5

Location description and accuracy:

At W end of plateau bounded by Portage Creek, Devil's Canyon & Devil Creek; 2 3/4 mi 

(4.4 km) NE of confluence of Portage Creek & Susitna River; locatior accurate to within 

1/4 mi (400 m) (Csejtey and Miller, 1978, loc. 8).

Commodities: 

Main: Mo 

Other: Cu, Zn

Ore minerals: Chalcopyrite, molybdenite, pyrite, sphalerite 

Gangue minerals: Fluorite, quartz

Geologic description:

Host rock is quartz monzonite of Cretaceous or Tertiary age. Silicified shear zones in 

quartz monzonite contain lenses, vugs, and masses of molybdenite crystals and other sulfides. Molybdenite mineralization appears related to quartz monzonite.

Alteration:

Silicification

Age of mineralization:

Cretaceous or Tertiary?

Deposit model:

Porphyry Cu-Mo (Cox and Singer, 1986; model 2la)

Deposit model number (After Cox and Singer, 1986 or Bliss, 1992):

21a

Production Status: None 

Site Status: Inactive

Page 5
Alaska Resource Data File TK003

Workings/exploration:

A bench cut and a short adit were opened. Analysis of channel samples showed up to 

0.1% Mo and Zn (Richter, 1963).

Production notes: 

Reserves:

Additional comments:

Further exploration at this locality may be justified but would require heavy equipment 

or drilling due to poor surface exposure.

References:

Smith, 1942; Richter, 1963; Berg and Cobb, 1967; Cobb, 1972, MF-370; MacKevett and 

Holloway, 1977; Csejtey and Miller, 1978; Singer and others, 1978; Cobb and Csejtey, 

1980.

Primary reference: Richter, 1963 

Reporter(s): Riehle, J. (USGS) 

Last report date: 8/1/96

Page 6
Alaska Resource Data File TK004

Site name(s): Devil's Canyon Dike

Site Type: Occurrence 

ARDFno.: TK004 

Latitude: 62.82 

Longitude: 149.3

Quadrangle: TKD-5

Location description and accuracy:

In Devil's Canyon of the Susitna River, at prominent South-concave tr.nd in river; location accurate to within 1/2 mi (800 m)

Commodities:

Main: Ag

Other:

Ore minerals: 

Gangue minerals:

Geologic description:

Gossan area in rhyolitic (?) dike that cuts silicified argillite.

Alteration:

Iron-oxide (gossan); silicification.

Age of mineralization:

Deposit model:

Deposit model number (After Cox and Singer, 1986 or Bliss, 1992):

Production Status: None

Site Status: Inactive

Workings/exploration:

Analyses of selected rock samples yielded 2 ppm Ag and trace amounts of Au, Cu, and 

Zn (Balen, 1990).

Production notes:

Page?
Alaska Resource Data File TK004

Reserves: 

Additional comments:

References:

Balen, 1990; Kurtak and others, 1992.

Primary reference: Balen, 1990 

Reporter(s): Riehle, J. (USGS) 

Last report date: 8/1/96

PageS
Alaska Resource Data File TK005

Site name(s): Devil's Canyon 

Site Type: Occurrence 

ARDFno.: TK005 

Latitude: 62.81 

Longitude: 149.19

Quadrangle: TKD-5

Location description and accuracy:

Several sample sites along 8-mi (12.8-km) section of Talkeetna River in Devil's Canyon; 

longitude extends from 149.09 to 149.29. Location accurate to within 1/4 mi (400 m)

Commodities:

Main: Au

Other: Pt 

Ore minerals: Gold 

Gangue minerals:

Geologic description:

Alluvial deposits.

Alteration:

Age of mineralization:

Deposit model:

Placer Au-PGE (Cox and Singer, 1986; model 39a)

Deposit model number (After Cox and Singer, 1986 or Bliss, 1992):

39a

Production Status: None 

Site Status: Inactive

Workings/exploration:

Analyses of stream-sediment samples collected from several sites along Susitna River 

yielded up to 0.002 oz/yd3 Au, 120 ppm Ag, 0.2% Cu, 0.2% Zn, 0.86 ppm Pt (Kurtak 

and others, 1992).

Page 9
Alaska Resource Data File TK005

Production notes: 

Reserves: 

Additional comments:

References:

Kurtak and others. 1992.

Primary reference: Kurtak and others, 1992 

Reporter(s): Riehle, J. (USGS) 

Last report date: 8/1/96

Page 10
Alaska Resource Data File TK006

Site name(s): Unnamed (near Coal Creek)

Site Type: Prospect 

ARDFno.: TK006

Latitude: 62.983

Longitude: 149.858

Quadrangle: TKD-6

Location description and accuracy:

Area of interest is 1 mile (1.6 km) to N & S of given location; 2 miles E (3.2 km) of Eldridge glacier, on tributary of Coal Creek; location accurate to within 1/4 mi (400 m) 

(Csejtey and Miller, 1978, loc. 4).

Commodities: 

Main: Sn

Other: Ag, Au, Cu, Mo, W, Zn

Ore minerals: Arsenopyrite, cassiterite, fluorite, pyrite, pyrrhotite, silver, sphalerite 

Gangue minerals: Quartz, sericite, topaz, tourmaline

Geologic description:

Host rock is alaskite (albite granite) of Tertiary age. Sulfides and cassiterite occur as disseminated grains and in greisen veinlets and stockworks in the granite. Fluorite occurs 

in veins in the granite as well. Thin sections indicate the granite in the zones of stockworks and veins has undergone several episodes of hydrothermal brec~iation & alteration.

Alteration:

Sericitic alteration; alteration of granite to tourmaline, quartz, topaz (greisen)

Age of mineralization:

Tertiary?

Deposit model:

Porphyry tin (Cox and Singer, 1986; model 20a)

Deposit model number (After Cox and Singer, 1986 or Bliss, 1992):

20a

Production Status: None

Page 11
Alaska Resource Data File TK006

Site Status: Inactive

Workings/exploration:

Type of workings: Surface exploration and drilling.

Production notes: 

Reserves:

Additional comments:

200-2000 ppm Sn, 2.9-4.3 oz/ton Ag (Reed, 1978); up to 65 ppm Ag, 0.5 ppm Au, 328 

ppm Pb, 720 ppm W, and > 1.0% Zn in analyses of selected rock samples (Balen, 1990).

References:

Reed, 1978; Csejtey and Miller, 1978; Singer and others, 1978; Cobb and Csejtey, 1980; 

Balen, 1990; Kurtak and others, 1992.

Primary reference: Reed, 1978 

Reporter(s): Riehle, J. (USGS) 

Last report date: 8/1/96

Page 12
Alaska Resource Data File TK007

Site name(s): Unnamed 

Site Type: Prospect 

ARDFno.: TK007 

Latitude: 62.96 

Longitude: 149.91

Quadrangle: TKD-6

Location description and accuracy:

On Partin Creek 4 mi (6.4 km) N of N end of Lucy Lake; location accurate to within 1/2 

mi (800 m) (Csejtey and Miller, 1978, loc. 2).

Commodities: 

Main: Au, Mo 

Other: Ag

Ore minerals: Gold, molybdenite, silver(?) 

Gangue minerals:

Geologic description:

Lode claims in Mesozoic argillite.

Alteration:

Age of mineralization:

Deposit model:

Deposit model number (After Cox and Singer, 1986 or Bliss, 1992):

Production Status: None

Site Status: Inactive

Workings/exploration:

Type of workings: Surface (?).

Production notes: 

Reserves:

Page 13
Alaska Resource Data File TK007

Additional comments:

First report is USBM OFR 20-73, which provides few details; all subsequent reports cite 

that original report.

References:

USBM, 1973; MacKevett and Holloway, 1977; Csejtey and Miller, 1978; Singer and 

others, 1978; Kurtak and others, 1992.

Primary reference: USBM, 1973 

Reporter(s): Riehle, J. (USGS) 

Last report date: 8/1/96

Page 14
Alaska Resource Data File TK008

Site name(s): Kubek

Site Type: Prospect 

ARDFno.: TK008 

Latitude: 62.95 

Longitude: 149.93

Quadrangle: TKD-6

Location description and accuracy:

1/2 mi (800 m) E of Partin Creek, 3.5 mi (5.6 km) NNW of N end of Lucy Lake; location 

accurate to within 1/2 mi (800 m) (MacKevett and Holloway, 1977, lo?. 58).

Commodities:

Main: Au

Other: Ag 

Ore minerals: 

Gangue minerals:

Geologic description:

Lode claims in Mesozoic argillite cut by quartz veins.

Alteration:

Age of mineralization:

Deposit model:

Gold-quartz veins? (Cox and Singer, 1986; model 36a?)

Deposit model number (After Cox and Singer, 1986 or Bliss, 1992):

36a?

Production Status: None 

Site Status: Inactive

Workings/exploration:

Analyses of selected rock samples yielded as much as 2 ppm Ag (Balen, 1990). Claims 

staked during 1968-1983 (Kurtak and others, 1992).

Page 15
Alaska Resource Data File TK008

Production notes: 

Reserves: 

Additional comments:

References:

MacKevett and Holloway, 1977; Balen, 1990; Kurtak and others, 1992.

Primary reference: Balen, 1990 

Reporter(s): Riehle, J. (USGS) 

Last report date: 8/1/96

Page 16
Alaska Resource Data File TK009

Site name(s): Unnamed

Site Type: Prospect 

ARDFno.: TK009 

Latitude: 62.89 

Longitude: 149.6

Quadrangle: TKD-6

Location description and accuracy:

Along trail from Chulitna village, 1.2 mi (1.9 km) E of Alaska Railroad; location accurate to within 1/2 mi (800 m) (MacKevett and Holloway, 1977, loc. 55).

Commodities:

Main: Cu

Other: Au 

Ore minerals: 

Gangue minerals:

Geologic description:

Lode claims, possibly veins, in granite of Tertiary age.

Alteration:

Age of mineralization:

Deposit model:

Deposit model number (After Cox and Singer, 1986 or Bliss, 1992):

Production Status: None

Site Status: Inactive

Workings/exploration:

Type of workings: Surface (?).

Production notes: 

Reserves:

Page 17
Alaska Resource Data File TK009

Additional comments:

See also Indian Mountain prospect ARDF no. TKOIO.

References:

USBM, 1973;MacKevettandHolloway, 1977.

Primary reference: USBM, 1973 

Reporter(s): Riehle, J. (USGS) 

Last report date: 8/1/96

Page 18
Alaska Resource Data File TK010

Site name(s): Indian Mountain

Site Type: Prospect 

ARDFno.: TK010 

Latitude: 62.88 

Longitude: 149.6

Quadrangle: TKD-6

Location description and accuracy:

On ridge on W side of Alaska Railroad, 1/4 mi (400 m) S of Benchmark 1272; location 

accurate to within 1/2 mi (800 m).

Commodities:

Main: Ag

Other: Au, Cu, Pb 

Ore minerals: 

Gangue minerals:

Geologic description:

Lode claim at contact of Tertiary granite with argillite. Quartz veins occur in the granite. 

Analysis of rock samples yielded 1 ppm Ag, 8 ppm Mo, 0.01% Cu (Balen, 1990). At 

least some of these samples were quartz veins.

Alteration:

Age of mineralization:

Deposit model:

Porphyry Cu-Au or polymetallic vein? (Cox and Singer, 1986; model 20c or 22c?)

Deposit model number (After Cox and Singer, 1986 or Bliss, 1992):

20c or 22c?

Production Status: None 

Site Status: Inactive

Workings/exploration:

Claim staked during 1962-63. Analysis of rock samples yielded 1 ppm Ag, 8 ppm Mo,

Page 19
Alaska Resource Data File TK010

0.01% Cu (Balen, 1990). At least some of these samples were quartz veins. 

Production notes: 

Reserves:

Additional comments:

Available information is not sufficiently detailed to determine whether or not this site is 

the same as the Unnamed prospect reported in ARDF no. TK009.

References:

Balen, 1990; Kurtak and others, 1992.

Primary reference: Balen, 1990 

Reporter(s): Riehle, J. (USGS) 

Last report date: 8/1/96

Page 20
Alaska Resource Data File TK011

Site name(s): Susitna River - Gold Creek

Site Type: Mine 

ARDFno.: TK011

Latitude: 62.767

Longitude: 149.694

Quadrangle: TKD-6

Location description and accuracy:

E bank of Susitna River, near mile 265 of Alaska Railroad tracks; in sand bars W of gaging station; about 1 mile (1.6 km) N of Gold Creek (town); location accurate to within 

1/4 mile (400 m) (Csejtey and Miller, 1978, loc. 33).

Commodities:

Main: Au

Other:

Ore minerals: Gold 

Gangue minerals:

Geologic description:

Host is alluvial gravels. Minor concentrations of flour gold occur at or near surface of 

auriferous stream gravel deposits. Source rocks may be lode deposits associated with 

granodiorite intrusions of Tertiary age drained by Indian River to the I TE.

Alteration:

Age of mineralization:

Deposit model:

Placer Au (Cox and Singer, 1986; model 39a)

Deposit model number (After Cox and Singer, 1986 or Bliss, 1992):

39a

Production Status: Yes; small 

Site Status: Inactive 

Workings/exploration:

Page 21
Alaska Resource Data File TK011

Multiple placer claims, extensively explored. 'Some gold won from time to

time' (Capps, 1919). Up to 0.018 oz/yd3 Au in analysis of stream-sediment samples

(Kurtak and others, 1992).

Production notes:

Possibly minor production at different times during long period of exploratory work.

Reserves: 

Additional comments:

References:

Brooks, 1911; Capps, 1919; Cobb, 1972, MF-370; Cobb, 1973, B 1374; MacKevett and 

Holloway, 1977; Csejtey and Miller, 1978; Singer and others, 1978; Cobb and Csejtey, 

1980; Kurtak and others, 1992.

Primary reference: Capps, 1919 

Reporter(s): Riehle, J. (USGS) 

Last report date: 8/1/96

Page 22
Alaska Resource Data File TK012

Site name(s): Ihly

Site Type: Prospect 

ARDFno.: TK012 

Latitude: 62.722 

Longitude: 149.539

Quadrangle: TKC-6

Location description and accuracy:

Location is on south fork of Gold Creek, 1 milel (1.6 km) N of hill 3645, in extreme NE 

corner of Talkeetna Mountains C-6 quad; about 5 miles (8.0 km) ESE of Gold Creek 

(town); location accurate to within 1/4 mile (400 m) (Csejtey and Miller, 1978, loc. 31).

Commodities: 

Main: Ag, Pb 

Other: Au

Ore minerals: Chalcopyrite, galena, pyrargyrite, pyrite 

Gangue minerals: Felspar, quartz

Geologic description:

Fractured felsic dikes in Lower Cretaceous(?) argillite are cut by quartz veins that contain argentiferous galena, pyrite, and chalcopyrite.

Alteration:

Dike rock is altered.

Age of mineralization:

Deposit model:

Polymetallic vein or porphyry Cu-Au? (Cox and Singer, 1986; model 22c or 20c?)

Deposit model number (After Cox and Singer, 1986 or Bliss, 1992):

22c or 20c?

Production Status: None 

Site Status: Inactive 

Workings/exploration:

Page 23
Alaska Resource Data File TK012

Type of workings: Surface. 

Production notes: 

Reserves:

Additional comments:

Discovered in 1950.

References:

Berg and Cobb, 1967; Cobb, 1972, MF-370; Karlson and others, 1977; MacKevett and 

Holloway, 1977; Csejtey and Miller, 1978; Singer and others, 1978; Ccbb and Csejtey, 

1980; Kurtak and others, 1992.

Primary reference: Berg and Cobb, 1967 

Reporter(s): Riehle, J. (USGS) 

Last report date: 8/1/96

Page 24
Alaska Resource Data File TK013

Site name(s): Chunilna Creek

Site Type: Mine 

ARDFno.: TK013 

Latitude: 62.64 

Longitude: 149.59

Quadrangle: TK C-6

Location description and accuracy:

On Chunilna Creek 5 mi (8.0 km) SE of Benchmark 'Chunilna'; location accurate to 

within 1/2 mi (800m).

Commodities:

Main: Au

Other: Ag 

Ore minerals: Gold 

Gangue minerals:

Geologic description:

Placer mine in alluvial deposits.

Alteration:

Age of mineralization:

Deposit model:

Placer Au (Cox and Singer, 1986; model 39a)

Deposit model number (After Cox and Singer, 1986 or Bliss, 1992):

39a

Production Status: Yes; small 

Site Status: Inactive

Workings/exploration:

Several miles of claims staked in 1989 (Paige and Knopf, 1907). The only placer mine 

in the Talkeetna Mountains quadrangle that operated during 1975 (Games, 1976).

Page 25
Alaska Resource Data File TK013

Production notes:

Production reported in 1975.

Reserves: 

Additional comments:

References:

Paige and Knopf, 1907; Brooks, 1911; Games, 1976; Cobb and Csejtey, 1980.

Primary reference: Carnes, 1976 

Reporter(s): Riehle, J. (USGS) 

Last report date: 8/1/96

Page 26
Alaska Resource Data File TK014

Site name(s): Unnamed

Site Type: Prospect 

ARDFno.: TK014 

Latitude: 62.283 

Longitude: 149.414

Quadrangle: TKB-5

Location description and accuracy:

Small tributary of Sheep River; 1 1/2 mi (2.4 km) S of Sheep River, 5 mi (8.0 km) SW 

of Rainbow Lake; location accurate to within 1/4 mi (400 m) radius (MacKevett and 

Holloway, 1977, loc. 25; Csejtey and Miller, 1978, loc. 88).

Commodities:

Main: Cu, Mo

Other: Au, Pb, Zn

Ore minerals: Chalcopyrite, molybdenite 

Gangue minerals:

Geologic description:

Host rock is granitic intrusive of Tertiary age. Sulfides disseminated in altered granitic 

rock near contact with upper Paleozoic metavolcanogenic rocks.

Alteration:

Alteration in granite

Age of mineralization:

Tertiary

Deposit model:

Porphyry Cu-Mo (Cox and Singer, 1986; model 2la)

Deposit model number (After Cox and Singer, 1986 or Bliss, 1992):

21a

Production Status: None 

Site Status: Inactive

Page 27
Alaska Resource Data File TK014

Workings/exploration:

Type of workings: Surface.

Production notes: 

Reserves: 

Additional comments:

References:

MacKevett and Holloway, 1977; Csejtey and Miller, 1978; Singer and others, 1978; 

Miller and others, 1978; Cobb and Csejtey, 1980.

Primary reference: MacKevett and Holloway, 1977 

Reporter(s): Riehle, J. (USGS) 

Last report date: 8/1/96

Page 28
Alaska Resource Data File TK015

Site name(s): Copper Queen

Site Type: Prospect 

ARDFno.: TK015 

Latitude: 62.35 

Longitude: 149.22

Quadrangle: TKB-5

Location description and accuracy:

On Iron Creek; 2 1/2 mi (4.0 km) E of Rainbow Lake; 2 mi (3.2 km) w of confluence of 

East Fork with Iron Creek; location accurate to within 1/4 mi (400 m) (Csejtey and 

Miller, 1978, loc. 83).

Commodities:

Main: Au, Cu

Other:

Ore minerals: Arsenopyrite, chalcopyrite, pyrite 

Gangue minerals: Quartz

Geologic description:

Host rock is upper Paleozoic meta-andesite. Sulfides in shear zone cutting amygdaloidal 

meta-andesite flow.

Alteration:

Age of mineralization:

Deposit model:

Deposit model number (After Cox and Singer, 1986 or Bliss, 1992):

Production Status: None

Site Status: Inactive

Workings/exploration:

Type of workings: Surface

Production notes:

Page 29
Alaska Resource Data File TK015

Reserves: 

Additional comments:

References:

Capps, 1919, B 692; Capps, 1924; Cobb, 1972, MF-370; MacKevett and Holloway, 

1977; Csejtey and Miller, 1978; Singer and others, 1978; Cobb and Csejtey, 1980.

Primary reference: Capps, 1919 

Reporter(s): Riehle, J. (USGS) 

Last report date: 8/1/96

Page 30
Alaska Resource Data File TK016

Site name(s): Copper King

Site Type: Prospect 

ARDFno.: TK016 

Latitude: 62.331 

Longitude: 149.178

Quadrangle: TKB-5

Location description and accuracy:

4 mi (6.4 km) E of Rainbow Lake; 1 1/4 mi (2.0 km) S of Iron Creek; location accurate 

to within 1/4 mile (400 m) (Csejtey and Miller, 1978, loc. 81).

Commodities:

Main: Ag, Au, Cu

Other:

Ore minerals: Chalcopyrite, pyrite 

Gangue minerals: Quartz

Geologic description:

Host rock is upper Paleozoic meta-andesite. Shear zone in host rock is partially replaced 

by sulfides.

Alteration:

Age of mineralization:

Deposit model:

Deposit model number (After Cox and Singer, 1986 or Bliss, 1992):

Production Status: None

Site Status: Inactive

Workings/exploration:

Type of workings: Surface

Production notes:

Page 31
Alaska Resource Data File TK016

Reserves: 

Additional comments:

References:

Capps, 1919, B 692; Capps, 1924; Cobb, 1972, MF-370; MacKevett and Holloway, 

1977; Csejtey and Miller, 1978; Singer and others, 1978; Cobb and Csejtey, 1980.

Primary reference: Capps, 1919 

Reporter(s): Riehle, J. (USGS) 

Last report date: 8/1/96

Page 32
Alaska Resource Data File TK017

Site name(s): Unnamed 

Site Type: Prospect 

ARDFno.: TK017 

Latitude: 62.422 

Longitude: 149.097

Quadrangle: TK B-5

Location description and accuracy:

Near head of creek draining southern flank of Wells Mountain, on Middle Fork of Iron 

Creek; location accurate to within 1/4 mi (400 m) (Csejtey and Miller, 1978, loc. 84).

Commodities:

Main: Ag, Cu

Other: Au, Pb, Zn

Ore minerals: Chalcopyrite, malachite, pyrite 

Gangue minerals: Quartz

Geologic description:

Sulfide-bearing quartz vein, 24 in. (60 cm) wide, cuts mafic metavolcanic rock of Paleozoic age.

Alteration:

Age of mineralization:

Deposit model:

Gold-quartz vein? (Cox and Singer, 1986; model 36a?)

Deposit model number (After Cox and Singer, 1986 or Bliss, 1992):

36a?

Production Status: None 

Site Status: Inactive

Workings/exploration:

Type of workings: Surface.

Page 33
Alaska Resource Data File TK017

Production notes: 

Reserves: 

Additional comments:

References:

Csejtey and Miller, 1978; Singer and others, 1978; Cobb and Csejtey, 1980.

Primary reference: Csejtey and Miller, 1978 

Reporter(s): Riehle, J. (USGS) 

Last report date: 8/1/96

Page 34
Alaska Resource Data File TK018

Site name(s): Copper Wonder 

Site Type: Prospect 

ARDFno.: TK018 

Latitude: 62.325 

Longitude: 149.133

Quadrangle: TKB-5

Location description and accuracy:

Claims lie on S side of Iron Creek valley, S of confluence with Middle Fork; 5 and 1/2 

mi (8.8 km) E of Rainbow Lake; location accurate to within 1/4 mi radrus (400 m).

Commodities:

Main: Cu

Other: Fe

Ore minerals: Azurite, chalcopyrite, hematite, malachite, pyrite 

Gangue minerals: Quartz

Geologic description:

Host rock is upper Paleozoic meta-andesite. Hematite and sulfides in shear zone cutting 

meta-andesite; sulfides disseminated in wall rocks as well.

Alteration:

Alteration of country rock along shear zone

Age of mineralization:

Deposit model:

Gold-quartz veins, or volcanic-hosted copper, or polymetallic veins? (Cox and Singer, 

1986; model 36a, or 22a, or 22c?)

Deposit model number (After Cox and Singer, 1986 or Bliss, 1992):

36a, or 22a, or 22c?

Production Status: None 

Site Status: Inactive 

Workings/exploration:

Page 35
Alaska Resource Data File TK018

Three large open cuts at surface to expose shear zones. 

Production notes: 

Reserves: 

Additional comments:

References:

Capps, 1919, B 692; Capps, 1924; Cobb, 1972, MF-370; MacKevett and Holloway, 

1977; Csejtey and Miller, 1978; Singer and others, 1978; Cobb and Csejtey, 1980.

Primary reference: Capps, 1919 

Reporter(s): Riehle, J. (USGS) 

Last report date: 8/1/96

Page 36
Alaska Resource Data File TK019

Site name(s): Phoenix

Site Type: Prospect 

ARDFno.: TK019 

Latitude: 62.331 

Longitude: 149.089

Quadrangle: TKB-5

Location description and accuracy:

In and around Hyphen Gulch, a small tributary of Iron Creek; locatior accurate to within 

1/4 mi (400 m) (Csejtey and Miller, 1978, loc. 72).

Commodities: 

Main: Cu 

Other: Fe

Ore minerals: Azurite, bornite, chalcopyrite, hematite, malachite 

Gangue minerals: Quartz

Geologic description:

Host rock is andesite of Paleozoic age. Quartz-sulfide veinlets occur in and adjacent to 

narrow shear zone cutting andesite; narrow veins of hematite are found nearby. Tertiary 

intrusive bodies occur N and E of given location.

Alteration:

Age of mineralization:

Deposit model:

Porphyry Cu or polymetallic vein?-(Cox and Singer, 1986; model 20c, or 22c?)

Deposit model number (After Cox and Singer, 1986 or Bliss, 1992):

20c or 22c?

Production Status: None 

Site Status: Inactive

Workings/exploration:

Type of workings: Surface (cut excavated to reveal shear zone).

Page 37
Alaska Resource Data File TK019

Production notes: 

Reserves: 

Additional comments:

References:

Capps, 1919, B 692; Capps, 1924; Cobb, 1972; MacKevett and Holloway, 1977; Csejtey 

and Miller, 1978; Singer and others, 1978; Cobb and Csejtey, 1980.

Primary reference: Capps, 1919 

Reporter(s): Riehle, J. (USGS) 

Last report date: 8/1/96

Page 38
Alaska Resource Data File TK020

Site name(s): Eastview 

Site Type: Prospect 

ARDFno.: TK020 

Latitude: 62.33 

Longitude: 149.05

Quadrangle: TKB-5

Location description and accuracy:

At head of Hyphen Gulch, off Iron Creek.; location accurate to within 1/4 mi (400 m) 

(Csejtey and Miller, 1978, loc. 71).

Commodities:

Main: Cu

Other: Fe

Ore minerals: Chalcopyrite, hematite, pyrite 

Gangue minerals: Quartz

Geologic description:

Host rock is Paleozoic meta-andesite. Sulfides, hematite, & quartz probably from veins, 

found in float overlying meta-andesite.

Alteration:

Age of mineralization:

Deposit model:

Volcanic-hosted copper, or polymetallic vein, or gold-quartz vein? (Cox and Singer, 

1986; model 22a, or 22c, or 36a?)

Deposit model number (After Cox and Singer, 1986 or Bliss, 1992):

22a, or 22c, or 36a

Production Status: None 

Site Status: Inactive

Workings/exploration:

Three open cuts, did not reach bedrock.

Page 39
Alaska Resource Data File TK020

Production notes: 

Reserves: 

Additional comments:

References:

Capps, 1919, B 692; Capps, 1924; Cobb, 1972, MF-370; MacKevett and Holloway, 

1977; Csejtey and Miller, 1978; Singer and others, 1978; Cobb and Csejtey, 1980.

Primary reference: Capps, 1919 

Reporter(s): Riehle, J. (USGS) 

Last report date: 8/1/96

Page 40
Alaska Resource Data File TK021

Site name(s): Blue Lode 

Site Type: Prospect 

ARDFno.: TK021 

Latitude: 62.338 

Longitude: 149.067

Quadrangle: TKB-5

Location description and accuracy:

S side of Middle Fork of Iron Creek, on hill 5066, at about 4200 ft (1260 m) elevation; 1 

mi (1.6 km) NE of Phoenix claims; location accurate to within 1/4 mi (400 m) (Csejtey 

and Miller, 1978, loc. 73).

Commodities:

Main: Cu

Other:

Ore minerals: Bornite, chalcopyrite 

Gangue minerals: Quartz

Geologic description:

Host rock is upper Paleozoic meta-andesite. Shear zone in host rock contains sulfidebearing quartz. Sulfides have replaced some of wall rocks.

Alteration:

Age of mineralization:

Deposit model:

Polymetallic veins or Gold-quartz veins? (Cox and Singer, 1986; mod?! 22c or 36a?)

Deposit model number (After Cox and Singer, 1986 or Bliss, 1992):

22c or 36a?

Production Status: None 

Site Status: Inactive

Workings/exploration:

Type of workings: Surface (open cut to expose shear zone).

Page 41
Alaska Resource Data File TK021

Production notes: 

Reserves: 

Additional comments:

References:

Capps, 1919, B 692; Capps, 1924; Cobb, 1972, MF-370; MacKevett and Holloway, 

1977; Csejtey and Miller, 1978; Singer and others, 1978; Cobb and Csejtey, 1980.

Primary reference: Capps, 1919 

Reporter(s): Riehle, J. (USGS) 

Last report date: 8/1/96

Page 42
Alaska Resource Data File TK022

Site name(s): Talkeetna

Site Type: Occurrence

ARDFno.: TK022

Latitude: 62.36

Longitude: 149.02

Quadrangle: TKB-5

Location description and accuracy:

At head of Prospect Creek, a tributary of the East Fork of Iron Creek; location accurate 

to within 1/2 mi (800m)

Commodities:

Main: Ag, Au, Cu

Other: Fe

Ore minerals: Chalcopyrite, hematite, pyrite 

Gangue minerals: Quartz

Geologic description:

Replacement lodes in shear zones and disseminations in adjacent meta-volcanic wallrock. Conspicuous gossan with copper carbonates.

Alteration:

Iron oxide (gossan)

Age of mineralization:

Deposit model:

Polymetallic veins or gold-quartz veins? (Cox and Singer, 1986; model 22c or 36a?)

Deposit model number (After Cox and Singer, 1986 or Bliss, 1992):

22c or 36a?

Production Status: None 

Site Status: Inactive

Workings/exploration:

Minor gold reported in analyses of float samples from the site (Csejtey and Miller,

Page 43
Alaska Resource Data File TK022

1978).

Production notes: 

Reserves:

Additional comments:

Near to, if not same as, site reported in Cobb and Csejtey (1980) - (which is the description reported here).

References:

Capps, 1919, B 692; Capps, 1924; Berg and Cobb, 1967; Cobb, 1972, MF-370; 

MacKevett and Holloway, 1977; Csejtey and Miller, 1978; Singer and others, 1978; 

Cobb and Csejtey, 1980.

Primary reference: Capps, 1919 

Reporter(s): Riehle, J. (USGS) 

Last report date: 8/1/96

Page 44
Alaska Resource Data File TK023

Site name(s): Unnamed 

Site Type: Prospect 

ARDFno.: TK023 

Latitude: 62.378 

Longitude: 148.983

Quadrangle: TK B-4

Location description and accuracy:

On a small tributary 1/2 mile (800 m) S of the East Fork of Iron Creek; location accurate 

to within 1/4 mi (400 m) radius (Csejtey and Miller, 1978, loc. 77).

Commodities:

Main: Cu, Pb

Other:

Ore minerals: Chalcopyrite 

Gangue minerals:

Geologic description:

Small veins or replacement pods of sulfides in altered, mafic metavolcanic rocks of Paleozoic age.

Alteration:

Altered host rocks.

Age of mineralization:

Deposit model:

Gold-quartz vein? (Cox and Singer, 1986; model 36a?)

Deposit model number (After Cox and Singer, 1986 or Bliss, 1992):

36a?

Production Status: None 

Site Status: Inactive

Workings/exploration:

Type of workings: Surface.

Page 45
Alaska Resource Data File TK023

Production notes: 

Reserves: 

Additional comments:

References:

Csejtey and Miller, 1978; Singer and others, 1978; Cobb and Csejtey, 1980.

Primary reference: Csejtey and Miller, 1978 

Reporter(s): Riehle, J. (USGS) 

Last report date: 8/1/96

Page 46
Alaska Resource Data File TK024

Site name(s): Unnamed

Site Type: Prospect 

ARDFno.: TK024 

Latitude: 62.35 

Longitude: 148.82

Quadrangle: TKB-4

Location description and accuracy:

At confluence of a small southwest flowing tributary and East Fork of Iron Creek, 2 

miles west-southwest of VABM Sedan. Locality 64 of Csejtey and Miller (1978) and 

locality 64 of Singer and others (1978). Accurate within 2,000 feet.

Commodities: 

Main: Ag, Cu 

Other: Au

Ore minerals: Chalcopyrite, pyrite, pyrrhotite 

Gangue minerals: Quartz

Geologic description:

Float sample of vein quartz contained pyrite, chalcopyrite, and possibly pyrrhotite. Prospect is located at, or near to, a shear zone (possible thrust fault) between upper Paleozoic 

metavolcaniclastic rocks and Jurassic plutonic and metamorphic rocks. Analysis of the 

float sample yielded up to 7 ppm Ag, 0.9 ppm Au, and 5,000 ppm Cu (Miller and others, 

1978).

Alteration:

Age of mineralization:

Deposit model:

Deposit model number (After Cox and Singer, 1986 or Bliss, 1992):

Production Status: None

Site Status: Inactive

Workings/exploration:

Page 47
Alaska Resource Data File TK024

Extent of exploration is apparently only the collection of a surface grab sample. Analysis of the float sample yielded up to 7 ppm Ag, 0.9 ppm Au, and 5,000 ppm Cu (Miller 

and others, 1978).

Production notes: 

Reserves: 

Additional comments:

References:

Miller and others, 1978; Csejtey and Miller, 1978; Singer and others, 1978; Cobb and 

Csejtey, 1980.

Primary reference: Miller and others, 1978 

Reporter(s): Bickerstaff, D. (USGS contractor) 

Last report date: 8/5/98

Page 48
Alaska Resource Data File TK025

Site name(s): Unnamed 

Site Type: Prospect 

ARDFno.: TK025 

Latitude: 62.33 

Longitude: 148.82

Quadrangle: TKB-4

Location description and accuracy:

1 mile south of the East Fork of Iron Creek, 2.5 miles south-southwest of VABM Sedan. 

Locality 65 of Csejtey and Miller (1978) and locality 65 of Singer and others (1978). 

Accurate within 2,000 feet.

Commodities:

Main: Cu

Other: Sn

Ore minerals: Malachite, pyrite 

Gangue minerals: Quartz

Geologic description:

Float sample of vein quartz contained pyrite and malachite staining. Bedrock is Tertiary 

volcanic rocks, felsic and mafic subaerial volcanic rocks and related shallow intrusions. 

Nearby, at a lower elevation, is a Jurassic plutonic and metamorphic ur; t consisting of 

mainly quartz diorite, granodiorite. amphibolite, and greenschist. Analysis of the float 

sample yielded 1,500 ppm Cu and less than 10 ppm Sn (Miller and others, 1978).

Alteration:

Oxidation of Cu-minerals.

Age of mineralization:

Probably Tertiary or younger, quartz vein cuts Tertiary volcanic rocks (?).

Deposit model:

Deposit model number (After Cox and Singer, 1986 or Bliss, 1992):

Production Status: None

Site Status: Inactive

Page 49
Alaska Resource Data File TK025

Workings/exploration:

Extent of exploration is apparently only the collection of a surface grab sample. Analysis of the float sample yielded 1,500 ppm Cu and less than 10 ppm Sn (Miller and others, 

1978).

Production notes: 

Reserves: 

Additional comments:

References:

Miller and others, 1978; Csejtey and Miller, 1978; Singer and others, 1978; Cobb and 

Csejtey, 1980.

Primary reference: Miller and others, 1978 

Reporter(s): Bickerstaff, D. (USGS contractor) 

Last report date: 8/5/98

Page 50
Alaska Resource Data File TK026

Site name(s): Unnamed 

Site Type: Prospect 

ARDFno.: TK026 

Latitude: 62.283 

Longitude: 148.983

Quadrangle: TK B-4

Location description and accuracy:

Location given is on a small tributary of Iron Creek in extreme SW quarter of the Talkeetna Mountains B-4 quadrangle; 1 mile (1.6 km) S of Iron Creek; location accurate to 

within 1/4 mi (400 m) radius (Csejtey and Miller, 1978, loc. 68).

Commodities:

Main: Cu

Other:

Ore minerals: Malachite 

Gangue minerals:

Geologic description:

Copper minerals occur in brecciated granitic rocks of Jurassic age.

Alteration:

Minor oxidation (gossan) in breccia zones.

Age of mineralization:

Deposit model:

Deposit model number (After Cox and Singer, 1986 or Bliss, 1992):

Production Status: None

Site Status: Inactive

Workings/exploration:

Type of workings: Surface (some diamond drilling on claims in area).

Production notes:

Page 51
Alaska Resource Data File TK026

Reserves: 

Additional comments:

References:

MacKevett and Holloway, 1977; Csejtey and Miller, 1978; Singer and others, 1978; 

Cobb and Csejtey, 1980.

Primary reference: MacKevett and Holloway, 1977 

Reporter(s): Riehle, J. (USGS) 

Last report date: 8/1/96

Page 52
Alaska Resource Data File TK027

Site name(s): Unnamed

Site Type: Prospect 

ARDFno.: TK027 

Latitude: 62.28 

Longitude: 148.9

Quadrangle: TKB-4

Location description and accuracy:

0.5 miles up an unnamed northward flowing tributary of Iron Creek, 2.5 miles northwest 

of VABM Xylic. Locality 67 of Csejtey and Miller (1978) and locality 67 of Singer and 

others (1978). Accurate within 2,000 feet.

Commodities:

Main: Cu

Other: Au, Pb

Ore minerals: Malachite, pyrite 

Gangue minerals:

Geologic description:

Float sample of altered Jurassic granitic rock contained pyrite and malachite. Analysis 

of the float sample yielded 0.1 ppm Au, 2,000 ppm Cu, and 10 ppm Pb (Miller and others, 1978).

Alteration:

Altered granitic rock.

Age of mineralization:

Jurassic or younger, mineralization is hosted by altered granitic rocks of Jurassic age.

Deposit model:

Deposit model number (After Cox and Singer, 1986 or Bliss, 1992):

Production Status: None

Site Status: Inactive

Workings/exploration:

Page 53
Alaska Resource Data File TK027

Extent of exploration is apparently only the collection of a surface grab sample. Analysis of the float sample yielded 0.1 ppm Au, 2,000 ppm Cu, and 10 ppm Pb (Miller and 

others, 1978).

Production notes: 

Reserves: 

Additional comments:

References:

Miller and others, 1978; Csejtey and Miller, 1978; Singer and others, 1978; Cobb and 

Csejtey, 1980.

Primary reference: Miller and others, 1978 

Reporter(s): Bickerstaff, D. (USGS contractor) 

Last report date: 8/5/98

Page 54
Alaska Resource Data File TK028

Site name(s): Unnamed

Site Type: Prospect 

ARDFno.: TK028 

Latitude: 62.29 

Longitude: 148.73

Quadrangle: TKB-4

Location description and accuracy:

Cirque on unnamed tributary, 2 mi (3.2 km) NE of Iron Creek; location accurate to 

within 1/2 mi (800 m) (MacKevett and Holloway, 1977, loc. 41).

Commodities:

Main: Cu

Other: Au 

Ore minerals: 

Gangue minerals:

Geologic description:

Lode claims in volcanic rocks.

Alteration:

Age of mineralization:

Deposit model:

Deposit model number (After Cox and Singer, 1986 or Bliss, 1992):

Production Status: None

Site Status: Inactive

Workings/exploration:

Type of workings: Surface (?).

Production notes: 

Reserves:

Page 55
Alaska Resource Data File TK028

Additional comments:

References:

USBM, 1973; MacKevett and Holloway, 1977.

Primary reference: USBM, 1973 

Reporter(s): Riehle, J. (USGS) 

Last report date: 8/1/96

Page 56
Alaska Resource Data File TK029

Site name(s): Unnamed 

Site Type: Prospect 

ARDFno.: TK029 

Latitude: 62.475 

Longitude: 148.647

Quadrangle: TKB-4

Location description and accuracy:

At confluence of Talkeetna River and unnamed tributary; location accurately known 

(Csejtey and Miller, 1978, loc. 46).

Commodities:

Main: Cu

Other:

Ore minerals: Chalcopyrite, pyrite 

Gangue minerals:

Geologic description:

A 1-ft-wide alteration zone in Paleozoic(?) argillite contains minor amounts of chalcopyrite; zone is nearly parallel to bedding.

Alteration:

Age of mineralization:

Deposit model:

Deposit model number (After Cox and Singer, 1986 or Bliss, 1992):

Production Status: None

Site Status: Inactive

Workings/exploration:

Type of workings: Surface.

Production notes:

Page 57
Alaska Resource Data File TK029

Reserves: 

Additional comments:

References:

Rose, 1967; Cobb, 1972, MF-370; MacKevett and Holloway, 1977; Csejtey and Miller, 

1978; Singer and others, 1978; Cobb and Csejtey, 1980.

Primary reference: Csejtey and Miller, 1978 

Reporter(s): Riehle, J. (USGS) 

Last report date: 8/1/96

Page 58
Alaska Resource Data File TK030

Site name(s): Unnamed 

Site Type: Prospect 

ARDFno.: TK030 

Latitude: 62.472 

Longitude: 148.572

Quadrangle: TKB-4

Location description and accuracy:

1 and 3/4 miles (2.8 km) NE of Talkeetna River, 1/2 mi (800 m) E of pond; NE 1/4 of 

NE 1/4 of Talkeetna Mountains B-4 quadrangle; location accurate to vdthin 1/4 mile 

(400 m) (Csejtey and Miller, 1978, loc. 49).

Commodities:

Main: Cu

Other:

Ore minerals: Chalcopyrite, pyrrhotite 

Gangue minerals:

Geologic description:

Minor sulfides replace schistose greenstone (metabasalt) of probable Jurassic age. Associated quartz veins also contain sulfides.

Alteration:

Age of mineralization:

Deposit model:

Gold-quartz vein? (Cox and Singer, 1986; model 36a?)

Deposit model number (After Cox and Singer, 1986 or Bliss, 1992):

36a?

Production Status: None 

Site Status: Inactive

Workings/exploration:

Type of workings: Surface.

Page 59
Alaska Resource Data File TK030

Production notes: 

Reserves: 

Additional comments:

References:

Rose, 1967; Cobb, 1972, MF-370; MacKevett and Holloway, 1977; Csejtey and Miller, 

1978; Singer and others, 1978; Cobb and Csejtey, 1980.

Primary reference: Rose, 1967 

Reporter(s): Riehle, J. (USGS) 

Last report date: 8/1/96

Page 60
Alaska Resource Data File TK031

Site name(s): Unnamed 

Site Type: Prospect 

ARDFno.: TK031 

Latitude: 62.558 

Longitude: 148.922

Quadrangle: TK C-4

Location description and accuracy:

1/2 mi (800 m)N of lake 2710; 6 1/2 mi (10.4 km) SSE of Daneka Lake; location accurate to within 1/4 mi (400 m) (Csejtey and Miller, 1978, loc. 43).

Commodities:

Main: Cu

Other: Au, Mo

Ore minerals: Malachite, pyrite 

Gangue minerals: Quartz

Geologic description:

Sulfide-bearing quartz veins cut pyritic alteration zone in mafic volcanic rocks of Paleozoic age. Extent of mineralization appears small.

Alteration:

Minor pyritic alteration of mafic rocks.

Age of mineralization:

Deposit model:

Porphyry Cu-Au or polymetallic vein or gold-quartz vein? (Cox and Singer, 1986; model 

20c, or 22c, or 36a?)

Deposit model number (After Cox and Singer, 1986 or Bliss, 1992):

20c, or 22c, or 36a?

Production Status: None 

Site Status: Inactive 

Workings/exploration:

Page 61
Alaska Resource Data File TK031

Type of workings: Surface. 

Production notes: 

Reserves: 

Additional comments:

References:

Csejtey and Miller, 1978; Singer and others, 1978; Cobb and Csejtey, 1980.

Primary reference: Csejtey and Miller, 1978 

Reporter(s): Riehle, J. (USGS) 

Last report date: 8/1/96

Page 62
Alaska Resource Data File TK032

Site name(s): Unnamed

Site Type: Prospect 

ARDFno.: TK032 

Latitude: 62.505 

Longitude: 148.717

Quadrangle: TK C-4

Location description and accuracy:

About 1/2 mi (800 m) W of small unnamed lake in extreme SW corner of SE 1/4 of Talkeetna Mountains C-4 quadrangle; 1 mi (1.6 km) NE of Talkeetna River; location accurate to within 1/4 mi (400 m) (Csejtey and Miller, 1978, loc. 45).

Commodities:

Main: Ag, Cu

Other:

Ore minerals: Limonite, malachite, pyrite, silver mineral? 

Gangue minerals:

Geologic description:

Small Cu-bearing shear zone occurs in mafic meta-volcanic rock of Paleozoic age.

Alteration:

Iron oxide

Age of mineralization:

Deposit model:

Volcanic-hosted Cu-As-Sb, or polymetallic vein, or gold-quartz vein? (Cox and Singer, 

1986; model 22a, or 22c, or 36a?)

Deposit model number (After Cox and Singer, 1986 or Bliss, 1992):

22a, or 22c, or 36a?

Production Status: None 

Site Status: Inactive 

Workings/exploration:

Page 63
Alaska Resource Data File TK032

Type of workings: Surface 

Production notes: 

Reserves: 

Additional comments:

References:

Csejtey and Miller, 1978; Singer and others, 1978; Cobb and Csejtey, 1980.

Primary reference: Csejtey and Miller, 1978 

Reporter(s): Riehle, J. (USGS) 

Last report date: 8/1/96

Page 64
Alaska Resource Data File TK033

Site name(s): Red Ridge 1-82

Site Type: Prospect 

ARDFno.: TK033 

Latitude: 62.49 

Longitude: 148.6

Quadrangle: TKC-4

Location description and accuracy:

South face of ridge, 1 and 1/4 mi (2.0 km) SW of Benchmark 'Jaina', 2 and 1/4 mi (3.6 

km) NE of Talkeetna River; location accurate to within 1/2 mi (800 m).

Commodities:

Main: Ag, Au

Other:

Ore minerals: Pyrite 

Gangue minerals:

Geologic description:

Traces of Ag and Au in highly altered, pyritic phyllite of Paleozoic ag°.

Alteration:

Altered (?) pyritic phyllite

Age of mineralization:

Deposit model:

Gold-quartz veins? (Cox and Singer, 1986; model 36a?)

Deposit model number (After Cox and Singer, 1986 or Bliss, 1992):

36a?

Production Status: None 

Site Status: Inactive

Workings/exploration:

Lode claims.

Page 65
Alaska Resource Data File TK033

Production notes: 

Reserves: 

Additional comments:

References:

Rose, 1967

Primary reference: Rose, 1967 

Reporter(s): Riehle, J. (USGS) 

Last report date: 8/1/96

Page 66
Alaska Resource Data File TK034

Site name(s): Unnamed 

Site Type: Prospect 

ARDFno.: TK034 

Latitude: 62.503 

Longitude: 148.611

Quadrangle: TK C-4

Location description and accuracy:

Extreme southern boundary of SE 1/4 of Talkeetna Mountains C-4 quadrangle; 1 mi (1.6 

km) SW of BM 'Jaina'; 4 mi (6.4 km) E of Talkeetna River; location accurate to within 

1/4 mi (400 m) radius (Csejtey and Miller, 1978, loc. 48).

Commodities:

Main: Cu

Other:

Ore minerals: Chalcophyrite, malachite, pyrite 

Gangue minerals:

Geologic description:

Cu-minerals and associated sulfides in mafic metavolcanic rocks of Paleozoic age. Several occurrences of vein or disseminated Cu in metamorphosed volcanic and sedimentary 

rocks occur in vicinity.

Alteration:

Age of mineralization:

Deposit model:

Deposit model number (After Cox and Singer, 1986 or Bliss, 1992):

Production Status: None

Site Status: Inactive

Workings/exploration:

Type of workings: Surface.

Page 67
Alaska Resource Data File TK034

Production notes: 

Reserves: 

Additional comments:

References:

MacKevett and Holloway, 1977; Csejtey and Miller, 1978; Singer and others, 1978; 

Cobb and Csejtey, 1980,

Primary reference: Csejtey and Miller, 1978 

Reporter(s): Riehle, J. (USGS) 

Last report date: 8/1/96

Page 68
Alaska Resource Data File TK035

Site name(s): Unnamed 

Site Type: Prospect 

ARDFno.: TK035 

Latitude: 62.533 

Longitude: 148.531

Quadrangle: TK C-4

Location description and accuracy:

SE 1/4 of SE 1/4 of Talkeetna Mountains C-4 quadrangle; about 4 mi (6.4 km) SW of 

head of Tsisi Creek; location accurate to within 1/4 mi (400 m) (Csejtey and Miller, 

1978, loc. 52).

Commodities:

Main: Cu

Other:

Ore minerals: Chalcopyrite, pyrrhotite 

Gangue minerals:

Geologic description:

Minor sulfides in veinlets or as disseminations in metagabbro of Paleozoic age.

Alteration:

Age of mineralization:

Deposit model:

Mafic copper-nickel association (Cox and Singer, 1986; model 5 or 7?)

Deposit model number (After Cox and Singer, 1986 or Bliss, 1992):

5 or 7?

Production Status: None 

Site Status: Inactive

Workings/exploration:

Nearby, quartz float on meta-volcaniclastic rocks had chalcopyrite and 3 ppm Ag 

(Anderson, 1969).

Page 69
Alaska Resource Data File TK035

Production notes: 

Reserves:

Additional comments:

A lode claim.

References:

Rose, 1967; Anderson, 1969; Cobb, 1972, MF-370; MacKevett and Holloway, 1977; 

Csejtey and Miller, 1978; Singer and others, 1978; Cobb and Csejtey, 1980.

Primary reference: Rose, 1967 

Reporter(s): Riehle, J. (USGS) 

Last report date: 8/1/96

Page 70
Alaska Resource Data File TK036

Site name(s): Unnamed

Site Type: Prospect 

ARDFno.: TK036 

Latitude: 62.483 

Longitude: 148.467

Quadrangle: TK B-3

Location description and accuracy:

In extreme NW corner of Talkeetna Mountains B-3 quad, NE of Talkeetna River; about 

6 1/2 mi (10.4 km) W of head of John Creek; location accurate to within 1/4 mi (400 m) 

(Csejtey and Miller, 1978, loc. 50).

Commodities:

Main: Ag, Au, Cu

Other:

Ore minerals: Chalcopyrite. pyrite, pyrrhotite 

Gangue minerals:

Geologic description:

Host rock is gneissic quartz diorite of Jurassic age. Sulfides dissemin°ted in inclusions 

of biotite schist in Fe-stained gneiss.

Alteration:

Age of mineralization:

Deposit model:

Gold-quartz veins? (Cox and Singer, 1986; model 36a?)

Deposit model number (After Cox and Singer, 1986 or Bliss, 1992):

36a?

Production Status: None 

Site Status: Inactive

Workings/exploration:

190 ppm Cu in stream-sediment sample; rock chips have less than 0.06% Cu and a trace

Page 71
Alaska Resource Data File TK036

of Au and Ag (Rose, 1967). 

Production notes: 

Reserves: 

Additional comments:

References:

Rose, 1967; Cobb, 1972; MacKevett and Holloway, 1977; Csejtey and Miller, 1978; 

Singer and others, 1978; Cobb and Csejtey. 1980.

Primary reference: Rose, 1967 

Reporter(s): Riehle, J. (USGS) 

Last report date: 8/1/96

Page 72
Alaska Resource Data File TK037

Site name(s): Unnamed

Site Type: Prospect 

ARDFno.: TK037 

Latitude: 62.08 

Longitude: 149.29

Quadrangle: TKA-5

Location description and accuracy:

South side of Sheep Creek, near divide from head of North Fork of Kashwitna River; location accurate to within 1/2 mi (800 m) (MacKevett and Holloway, 1977, loc. 35).

Commodities:

Main: Cu

Other: Ag, Au 

Ore minerals: 

Gangue minerals:

Geologic description:

Unnamed claim, possibly a vein deposit, in granitic rocks of Tertiary or Cretaceous age.

Alteration:

Age of mineralization:

Deposit model:

Deposit model number (After Cox and Singer, 1986 or Bliss, 1992):

Production Status: None

Site Status: Inactive

Workings/exploration:

Type of workings: Surface (?).

Production notes: 

Reserves:

Page 73
Alaska Resource Data File TK037

Additional comments:

References:

USBM, 1973;MacKevettandHolloway, 1977.

Primary reference: USBM, 1973 

Reporter(s): Riehle, J. (USGS) 

Last report date: 8/1/96

Page 74
Alaska Resource Data File TK038

Site name(s): Unnamed

Site Type: Prospect 

ARDFno.: TK038 

Latitude: 62.14 

Longitude: 149.26

Quadrangle: TKA-5

Location description and accuracy:

Located about 0.5 miles north-northwest of peak 6,319 - north of Sheep Creek. Locality 

96 of Csejtey and Miller (1978) and locality 96 of Singer and others (1978). Accurate 

within 2,000 feet.

Commodities:

Main: Ag, Cu

Other: Au

Ore minerals: Chalcopyrite, malachite, pyrite 

Gangue minerals: Quartz

Geologic description:

Float sample of Late Cretaceous and Paleocene tonalite contained vein quartz with pyrite, chalcopyrite, and malachite stains. Analysis of the float sample yielded 20 ppm Ag, 

1 ppm Au, and greater than 20,000 ppm Cu (Miller and others, 1978).

Alteration:

Oxidation of Cu-minerals.

Age of mineralization:

Late Cretaceous or younger, quartz vein cuts Late Cretaceous and Paleocene tonalite.

Deposit model:

Deposit model number (After Cox and Singer, 1986 or Bliss, 1992):

Production Status: None

Site Status: Inactive

Workings/exploration:

Page 75
Alaska Resource Data File TK038

Extent of exploration is apparently only the collection of a surface grab sample. Analysis of the float sample yielded 20 ppm Ag, 1 ppm Au, and greater than 20,000 ppm Cu 

(Miller and others, 1978).

Production notes: 

Reserves: 

Additional comments:

References:

Miller and others, 1978; Csejtey and Miller, 1978; Singer and others, 1978; Cobb and 

Csejtey, 1980.

Primary reference: Miller and others, 1978 

Reporter(s): Bickerstaff, D. (USGS contractor) 

Last report date: 8/5/98

Page 76
Alaska Resource Data File TK039

Site name(s): Unnamed

Site Type: Prospect 

ARDFno.: TK039 

Latitude: 62.12 

Longitude: 149.08

Quadrangle: TK A-5

Location description and accuracy:

Along the south fork of Sheep River, 4.5 miles upstream from the confluence of the 

south fork of Sheep River with Sheep River. Locality 98 of Csejtey and Miller (1978) 

and locality 98 of Singer and others (1978). Accurate within 2,000 feet.

Commodities:

Main: Ag, Cu

Other: Au, Pb 

Ore minerals: Malachite 

Gangue minerals:

Geologic description:

Float sample of Late Cretaceous and Paleocene tonalite contained malachite-staining. 

Analysis of the float sample yielded 10 ppm Ag, 0.35 ppm Au, 5,OOC ppm Cu, and 10 

ppm Pb (Miller and others, 1978).

Alteration:

Oxidation of Cu-minerals.

Age of mineralization:

Late Cretaceous or younger, based on age of host.

Deposit model:

Deposit model number (After Cox and Singer, 1986 or Bliss, 1992):

Production Status: None

Site Status: Inactive

Workings/exploration:

Page 77
Alaska Resource Data File TK039

Extent of exploration is apparently only the collection of a surface grab sample. Analysis of the float sample yielded 10 ppm Ag, 0.35 ppm Au, 5,000 ppm Cu, and 10 ppm Pb 

(Miller and others, 1978).

Production notes: 

Reserves: 

Additional comments:

References:

Miller and others, 1978; Csejtey and Miller, 1978; Singer and others, 1978; Cobb and 

Csejtey, 1980.

Primary reference: Miller and others, 1978 

Reporter(s): Bickerstaff, D. (USGS contractor) 

Last report date: 8/5/98

Page 78
Alaska Resource Data File TK040

Site name(s): Lake Placid

Site Type: Prospect 

ARDFno.: TK040 

Latitude: 62.99 

Longitude: 148.46

Quadrangle: TKD-3

Location description and accuracy:

Unnamed creek 1.5 mi (2.4 km) NW of lake 3619; location accurate to within 1/2 mi 

(800 m).

Commodities:

Main: Au

Other:

Ore minerals: Gold 

Gangue minerals:

Geologic description:

Alluvial deposits.

Alteration:

Age of mineralization:

Deposit model:

Placer Au (Cox and Singer, 1986; model 39a)

Deposit model number (After Cox and Singer, 1986 or Bliss, 1992):

39a

Production Status: Undetermined 

Site Status: Inactive

Workings/exploration:

Placer claim staked in 1971. Analysis of stream-sediment samples yielded 0.7 ppm Au 

(Balen, 1990).

Page 79
Alaska Resource Data File TK040

Production notes: 

Reserves: 

Additional comments:

References:

Balen, 1990; Kurtak and others, 1992.

Primary reference: Balen, 1990 

Reporter(s): Riehle, J. (USGS) 

Last report date: 8/1/96

Page 80
Alaska Resource Data File TK041

Site name(s): Delusion Creek 

Site Type: Occurrence 

ARDFno.: TK041 

Latitude: 62.87 

Longitude: 148.2

Quadrangle: TKD-3

Location description and accuracy:

On Delusion Creek 3.7 mi (5.9 km) above confluence with Watana Creek; location accurate to within 1/2 mi (800 m).

Commodities:

Main: Au, Pd, Pt

Other:

Ore minerals: 

Gangue minerals:

Geologic description:

Alluvial deposits.

Alteration:

Age of mineralization:

Deposit model:

Placer Au-PGE (Cox and Singer, 1986; model 39a)

Deposit model number (After Cox and Singer, 1986 or Bliss, 1992):

39a

Production Status: None 

Site Status: Inactive

Workings/exploration:

Placer claims staked 1979-1980.

Production notes:

Page 81
Alaska Resource Data File TK041

Reserves:

Additional comments:

Analysis of a stream-sediment sample yielded 0.001 oz/yd3 Au (Kurtak and others, 

1992).

References:

Kurtak and others, 1992.

Primary reference: Kurtak and others, 1992 

Reporter(s): Riehle, J. (USGS) 

Last report date: 8/1/96

Page 82
Alaska Resource Data File TK042

Site name(s): Watana Creek 

Site Type: Prospect 

ARDFno.: TK042 

Latitude: 62.86 

Longitude: 148.22

Quadrangle: TKD-3

Location description and accuracy:

On Watana Creek 1.8 mi (2.9 km) upstream from confluence with Suntna River; location accurate to within 1/2 mi (800 m).

Commodities:

Main: Au

Other: Pt

Ore minerals: Gold 

Gangue minerals:

Geologic description:

Alluvial deposits.

Alteration:

Age of mineralization:

Deposit model:

Placer Au-PGE (Cox and Singer, 1986; model 39a)

Deposit model number (After Cox and Singer, 1986 or Bliss, 1992):

39a

Production Status: None 

Site Status: Inactive

Workings/exploration:

Stream placer claims staked during 1979. Analysis of stream-sediment samples yielded 

3.5 ppm Au (Balen, 1990).

Page 83
Alaska Resource Data File TK042

Production notes: 

Reserves: 

Additional comments:

References:

Balen, 1990; Kurtak and others, 1992.

Primary reference: Balen, 1990 

Reporter(s): Riehle, J. (USGS) 

Last report date: 8/1/96

Page 84
Alaska Resource Data File TK043

Site name(s): Big Lake

Site Type: Prospect 

ARDFno.: TK043 

Latitude: 62.98 

Longitude: 148.18

Quadrangle: TKD-3

Location description and accuracy:

1/2 mi (800 m) E of Big Lake near outlet stream to Watana Creek; location accurate to 

within 1/2 mi (800 m).

Commodities:

Main: Au

Other:

Ore minerals: Gold 

Gangue minerals:

Geologic description:

Alluvial deposits.

Alteration:

Age of mineralization:

Deposit model:

Placer Au (Cox and Singer, 1986; model 39a)

Deposit model number (After Cox and Singer, 1986 or Bliss, 1992):

39a

Production Status: None 

Site Status: Inactive

Workings/exploration:

Placer claims staked in 1977. Analysis of stream-sediment samples yielded 0.6 ppm Ag, 

0.8 ppm Au (Balen, 1990).

Page 85
Alaska Resource Data File TK043

Production notes: 

Reserves: 

Additional comments:

References:

Balen, 1990; Kurtak and others, 1992.

Primary reference: Balen, 1990 

Reporter(s): Riehle, J. (USGS) 

Last report date: 8/1/96

Page 86
Alaska Resource Data File TK044

Site name(s): Unnamed

Site Type: Occurrence 

ARDFno.: TK044 

Latitude: 62.992 

Longitude: 148.042

Quadrangle: TKD-3

Location description and accuracy:

5 mi (8.0 km) due E of Big Lake; location accurate to within 1/4 mi (400 m) Csejtey and 

Miller, 1978, loc. 13).

Commodities:

Main: Ag, Zn

Other: Au 

Ore minerals: Pyrite 

Gangue minerals: Quartz

Geologic description:

Altered, silicified zone in Tertiary granitic intrusive and wallrock.

Alteration:

Altered, silicified granite

Age of mineralization:

Deposit model:

Porphyry Cu or polymetallic vein? (Cox and Singer, 1986; model 20c, or 22c?)

Deposit model number (After Cox and Singer, 1986 or Bliss, 1992):

20c or 22c?

Production Status: None 

Site Status: Inactive

Workings/exploration:

Up to 0.5 ppm Ag, 0.12% Zn in analyses of samples of silicified granite and silicified 

wallrock (Kurtak and others, 1992,)

Page 87
Alaska Resource Data File TK044

Production notes: 

Reserves: 

Additional comments:

References:

Csejtey and Miller, 1978; Miller and others, 1978; Cobb and Csejtey, 1980; Kurtak and 

others, 1992.

Primary reference: Csejtey and Miller, 1978 

Reporter(s): Riehle, J. (USGS) 

Last report date: 8/1/96

Page 88
Alaska Resource Data File TK045

Site name(s): Grizzly Bear

Site Type: Prospect 

ARDFno.: TK045 

Latitude: 62.989 

Longitude: 147.881

Quadrangle: TK D-2

Location description and accuracy:

2 mi (3.2 km) E of Lake 2695; 4 mi (6.4 km) NW of Watana Creek; location accurate to 

within 1/4 mi (400 m) (Csejtey and Miller, 1978, Iocs. 16 and 17).

Commodities:

Main: Cu

Other: Au, W 

Ore minerals: Chalcopyrite 

Gangue minerals:

Geologic description:

Sulfide-bearing felsic dike cuts Triassic metabasalt; also, low-grade, vein or disseminated sulfides occur in silicified, mafic metavolcanic rocks.

Alteration:

Silicification; iron oxide

Age of mineralization:

Deposit model:

Porphyry Cu-Au or gold-quartz vein or polymetallic vein? (Cox and Singer, ! 986; model 

20c, or 36a, or 22c?)

Deposit model number (After Cox and Singer, 1986 or Bliss, 1992):

20c, or 36a, or 22c

Production Status: None 

Site Status: Inactive 

Workings/exploration:

Page 89
Alaska Resource Data File TK045

Grab sample of limonitic metabasalt yielded 5.17% Cu, 0.4 ppm Au, 550 ppm W 

(Kurtak and others, 1992).

Production notes: 

Reserves:

Additional comments:

Lode claims held in 1974.

References:

MacKevett and Holloway, 1977; Csejtey and Miller, 1978; Singer and others, 1978; 

Cobb and Csejtey, 1980; Kurtak and others, 1992.

Primary reference: Csejtey and Miller, 1978 

Reporter(s): Riehle, J. (USGS) 

Last report date: 8/1/96

Page 90
Alaska Resource Data File TK046

Site name(s): VABM Watana

Site Type: Occurrence 

ARDFno.: TK046 

Latitude: 62.97 

Longitude: 147.84

Quadrangle: TKD-2

Location description and accuracy:

Head of unnamed creek, 1/2 mi (800 m) NNW of Benchmark 'Watana'; location accurate 

to within 1/2 mi (800 m).

Commodities:

Main: Cu

Other: Ag, Au 

Ore minerals: 

Gangue minerals:

Geologic description:

Mineralization of metavolcanic and metasedimentary rocks of Mesozoic (?) age, including marble which has been locally silicified. Interpreted as a skarn deposit.

Alteration:

Silicification

Age of mineralization:

Deposit model:

Gold-quartz veins or porphyry-copper skarn? (Cox and Singer, 1986; model 36a or 18a?)

Deposit model number (After Cox and Singer, 1986 or Bliss, 1992):

36aor 18a

Production Status: None 

Site Status: Inactive

Workings/exploration:

Analyses of selected rock samples yielded 3.0 ppm Ag, 0.02 ppm Au, 0.26% Cu (Balen,

Page 91
Alaska Resource Data File TK046

1990).

Production notes: 

Reserves: 

Additional comments:

References:

Balen, 1990; Kurtak and others, 1992.

Primary reference: Balen, 1990 

Reporter(s): Riehle, J. (USGS) 

Last report date: 8/1/96

Page 92
Alaska Resource Data File TK047

Site name(s): Unnamed

Site Type: Prospect 

ARDFno.: TK047 

Latitude: 62.96 

Longitude: 147.8

Quadrangle: TKD-2

Location description and accuracy:

On S flank of hill 5413, 1 mi (1.6 km) NW of Watana Creek; location accurate to within 

1/4 mi (400 m) (Csejtey and Miller, 1978, loc. 17).

Commodities:

Main: Cu

Other:

Ore minerals: Chalcopyrite? 

Gangue minerals:

Geologic description:

Low-grade mineralization in mafic metavolcanic rocks of Triassic age.

Alteration:

Age of mineralization:

Deposit model:

Deposit model number (After Cox and Singer, 1986 or Bliss, 1992):

Production Status: None

Site Status: Inactive

Workings/exploration:

Type of workings: Surface.

Production notes: 

Reserves:

Page 93
Alaska Resource Data File TK047

Additional comments:

References:

Csejtey and Miller, 1978; Singer and others, 1978, Cobb and Csejtey, 1980.

Primary reference: Csejtey and Miller. 1978 

Reporter(s): Riehle, J. (USGS) 

Last report date: 8/1/96

Page 94
Alaska Resource Data File TK048

Site name(s): August Claims 1-8 

Site Type: Prospect 

ARDFno.: TK048 

Latitude: 62.85 

Longitude: 147.93

Quadrangle: TKD-2

Location description and accuracy:

N side of Susitna River, 5 1/2 mi (8.8 km) NW of confluence with Jay Creek; location 

accurate to within 1/4 mi (400 m) (MacKevett and Holloway, 1977, loc. 28; Csejtey and 

Miller, 1978, loc. 25).

Commodities: 

Main: Cu 

Other: Ag

Ore minerals: Azurite, chalcopyrite, malachite 

Gangue minerals: Carbonate

Geologic description:

Sulfides in shear zone at contact between brecciated metabasalt of Triassic age and interbedded meta-volcanic rocks, argillite, and marble of Paleozoic age.

Alteration:

Age of mineralization:

Deposit model:

Gold-quartz vein or polymetallic vein? (Cox and Singer, 1986; model 36a or 22c?)

Deposit model number (After Cox and Singer, 1986 or Bliss, 1992):

36a or 22c?

Production Status: None 

Site Status: Inactive

Workings/exploration:

Workings include trenches and drill holes. 1.4% Cu and 1.5 ppm Ag in analyses of rock

Page 95
Alaska Resource Data File TK048

samples reported by Balen (1990). 

Production notes: 

Reserves: 

Additional comments:

References:

MacKevett and Holloway, 1977; Csejtey and Miller, 1978; Singer and ethers, 1978; 

Cobb and Csejtey, 1980; Balen, 1990; Kurtak and others, 1992.

Primary reference: MacKevett and Holloway, 1977 

Reporter(s): Riehle, J. (USGS) 

Last report date: 8/1/96

Page 96
Alaska Resource Data File TK049

Site name(s): Jay Creek

Site Type: Mine 

ARDFno.: TK049 

Latitude: 62.78 

Longitude: 147.88

Quadrangle: TKD-2

Location description and accuracy:

On Jay Creek 1/2 mi (800 m) from confluence with Susitna River; location accurate to 

within 1/2 mi (800 m).

Commodities: 

Main: Au

Other:

Ore minerals: Gold 

Gangue minerals:

Geologic description:

Placer mine in alluvial deposits.

Alteration:

Age of mineralization:

Deposit model:

Placer Au (Cox and Singer, 1986; model 39a)

Deposit model number (After Cox and Singer, 1986 or Bliss, 1992):

39a

Production Status: Yes; small 

Site Status: Inactive

Workings/exploration:

Analysis of stream-sediment samples yielded 2 ppm Ag, >10 ppm Au (Balen, 1990).

Production notes:

Page 97
Alaska Resource Data File TK049

Minor production during 1920-49 and 1987-88 (Balen, 1990). 

Reserves: 

Additional comments:

References:

Balen, 1990; Kurtak and others, 1992.

Primary reference: Balen, 1990 

Reporter(s): Riehle, J. (USGS) 

Last report date: 8/1/96

Page 98
Alaska Resource Data File TK050

Site name(s): Unnamed

Site Type: Prospect 

ARDFno.: TK050 

Latitude: 62.778 

Longitude: 147.839

Quadrangle: TK D-2

Location description and accuracy:

On Susitna River 1 mi (1.6 km) E of confluence with Jay Creek; location accurate to 

within 1/4 mi (400 m) (Csejtey and Miller, 1978, loc. 26).

Commodities:

Main: Au, Cu

Other:

Ore minerals: Chalcopyrite, pyrite 

Gangue minerals: Quartz

Geologic description:

Small, sulfide-bearing quartz vein cutting meta-volcanic rocks of Paleozoic age.

Alteration:

Age of mineralization:

Deposit model:

Polymetallic vein or gold-quartz vein (Cox and Singer, 1986; model 22c or 36a)

Deposit model number (After Cox and Singer, 1986 or Bliss, 1992):

22c or 36a

Production Status: None 

Site Status: Inactive

Workings/exploration:

Type of workings: Surface.

Production notes:

Page 99
Alaska Resource Data File TK050

Reserves: 

Additional comments:

References:

Csejtey and Miller, 1978; Singer and others, 1978; Cobb and Csejtey, 1980.

Primary reference: Csejtey and Miller, 1978 

Reporter(s): Riehle, J. (USGS) 

Last report date: 8/1/96

Page 100
Alaska Resource Data File TK051

Site name(s): Sanjo Claims

Site Type: Prospect 

ARDFno.: TK051 

Latitude: 62.97 

Longitude: 147.52

Quadrangle: TKD-^

Location description and accuracy:

On creek 4 mi (6.4 km) NW of Coal Lake; location accurate to within 1/2 mi (800 m).

Commodities:

Main: Au

Other:

Ore minerals: Gold 

Gangue minerals:

Geologic description:

Alluvial deposits.

Alteration:

Age of mineralization:

Deposit model:

Placer Au (Cox and Singer, 1986; model 39a)

Deposit model number (After Cox and Singer, 1986 or Bliss, 1992):

39a

Production Status: Undetermined 

Site Status: Inactive

Workings/exploration:

Placer claims staked in 1980.

Production notes:

Page 101
Alaska Resource Data File TK051

Reserves:

Additional comments:

Analysis of stream-sediment sample yielded 0.001 oz/yd3 Au (Kurtak and others, 1992).

References:

Kurtak and others, 1992.

Primary reference: Kurtak and others, 1992 

Reporter(s): Riehle, J. (USGS) 

Last report date: 8/1/96

Page 102
Alaska Resource Data File TK052

Site name(s): Lichen 

Site Type: Prospect 

ARDFno.: TK052 

Latitude: 62.89 

Longitude: 147.35

Quadrangle: TKD-1

Location description and accuracy:

6 mi (9.6 km) W of Susitna River; 3 1/2 mi (5.6 km) SE of Coal Lake (Csejtey and 

Miller, 1978, loc. 18).

Commodities:

Main: Ag, Au, Cu

Other:

Ore minerals: Bornite, chalcopyrite, covellite, digenite, gold, malachite 

Gangue minerals: Chlorite, epidote

Geologic description:

Host rocks are meta-volcanics and quartz sandstone of Paleozoic age. Veins and disseminations of sulfides in a zone in a mafic volcanic flow; mineralized zone about 6 ft 

by 3,000 ft (2 m by 900 m), appears confined to a single flow. Host recks have undergone greenschist-facies metamorphism.

Alteration:

Some gossan staining bedrock.

Age of mineralization:

Deposit model:

Volcanic-hosted copper, or polymetallic vein, or gold-quartz vein? (Cox and Singer, 

1986; model 22a, or 22c, or 36a?)

Deposit model number (After Cox and Singer, 1986 or Bliss, 1992):

22a, or 22c, or 36a?

Production Status: None 

Site Status: Inactive

Page 103
Alaska Resource Data File TK052

Workings/exploration:

Two trenches yielding samples showing up to 4.5% Cu, 16 ppm Au, and 68 ppm Ag 

(Smith and others, 1975).

Production notes: 

Reserves: 

Additional comments:

References:

Smith and others, 1975; ; MacKevett and Holloway, 1977; Csejtey and Miller, 1978; 

Singer and others, 1978; Cobb and Csejtey, 1980; Kurtak and others, 1992.

Primary reference: Smith and others, 1975 

Reporter(s): Riehle, J. (USGS) 

Last report date: 8/1/96

Page 104
Alaska Resource Data File TK053

Site name(s): Upper Black River 

Site Type: Occurrence 

ARDFno.: TK053 

Latitude: 62.28 

Longitude: 148.09

Quadrangle: TKB-3

Location description and accuracy:

Headwaters area of Black River; location accurate to within 1/2 mi (800 m)

Commodities: 

Main: Cu, Mo 

Other: Au, W

Ore minerals: Chalcopyrite, molybdenite 

Gangue minerals:

Geologic description:

Mineralized float samples collected from a large drainage area underlain by Jurassic granodiorite cut by NE-trending shear zones.

Alteration:

Age of mineralization:

Deposit model:

Porphyry Cu-Au or porphyry Cu-Mo? (Cox and Singer, 1986; model 20c or 21 a?)

Deposit model number (After Cox and Singer, 1986 or Bliss, 1992):

20cor21a?

Production Status: None 

Site Status: Inactive

Workings/exploration:

Analyses of float samples contain up to 0.15 ppm Au, 0.69% Cu, 446 pnm Mo, 180 ppm 

W; placer samples have anomalous concentrations of Au, Pb, W, and Zn (Kurtak and 

others, 1992).

Page 105
Alaska Resource Data File TK053

Production notes: 

Reserves: 

Additional comments:

References:

Kurtak and others, 1992.

Primary reference: Kurtak and others, 1992 

Reporter(s): Riehle, J. (USGS) 

Last report date: 8/1/96

Page 106
Alaska Resource Data File TK054

Site name(s): Nowhere Creek

Site Type: Prospect 

ARDFno.: TK054 

Latitude: 62.23 

Longitude: 147.95

Quadrangle: TKA-2

Location description and accuracy:

Nowhere Creek 2 mi (3.2 km) upstream from confluence with Oshetna River; location 

accurate to within 1/2 mi (800 m).

Commodities:

Main: Au

Other:

Ore minerals: Gold 

Gangue minerals:

Geologic description:

Alluvial deposits.

Alteration:

Age of mineralization:

Deposit model:

Placer Au (Cox and Singer, 1986; model 39a)

Deposit model number (After Cox and Singer, 1986 or Bliss, 1992):

39a

Production Status: None 

Site Status: Inactive

Workings/exploration:

Stream placer claims staked during 1979. Analysis of stream-sediment samples yielded 

0.5 ppm Ag, 8.6 ppm Au (Balen, 1990).

Page 107
Alaska Resource Data File TK054

Production notes: 

Reserves: 

Additional comments:

References:

Balen, 1990; Kurtak and others, 1992.

Primary reference: Balen, 1990 

Reporter(s): Riehle, J. (USGS) 

Last report date: 8/1/96

Page 108
Alaska Resource Data File TK055

Site name(s): Unnamed

Site Type: Prospect 

ARDFno.: TK055 

Latitude: 62.28 

Longitude: 147.97

Quadrangle: TK B-2

Location description and accuracy:

North side of Roaring Creek, 1.5 mi (2.4 km) downstream from its head; location accurate to within 1/2 mi (800 m) (MacKevett and Holloway, 1977, loc. 38).

Commodities:

Main: Cu

Other: Au 

Ore minerals: 

Gangue minerals:

Geologic description:

Claim, possibly a vein deposit, in granite of Jurassic age.

Alteration:

Age of mineralization:

Deposit model:

Deposit model number (After Cox and Singer, 1986 or Bliss, 1992):

Production Status: None

Site Status: Inactive

Workings/exploration:

Type of workings: Surface (?).

Production notes: 

Reserves:

Page 109
Alaska Resource Data File TK055

Additional comments:

References:

USBM, 1973; MacKevett and Holloway, 1977.

Primary reference: USBM, 1973 

Reporter(s): Riehle, J. (USGS) 

Last report date: 8/1/96

Page 110
Alaska Resource Data File TK056

Site name(s): Unnamed

Site Type: Occurrence 

ARDFno.: TK056 

Latitude: 62.3 

Longitude: 147.95

Quadrangle: TKB-2

Location description and accuracy:

On S valley wall of Roaring Creek; location accurate to within 1/2 mi (800 m)

Commodities:

Main: Cu

Other:

Ore minerals: Chalcopyrite 

Gangue minerals:

Geologic description:

Chalcopyrite in Lower Jurassic Talkeetna Formation near contact with felsite intrusive 

body.

Alteration:

Age of mineralization:

Deposit model:

Deposit model number (After Cox and Singer, 1986 or Bliss, 1992):

Production Status: None

Site Status: Inactive

Workings/exploration:

Analysis of chalcopyrite-bearing sample of Talkeetna Formation yielded >1.0% Cu 

(Clautice and others, 1990).

Production notes:

Page 111
Alaska Resource Data File TK056

Reserves: 

Additional comments:

References:

Clautice and others, 1990.

Primary reference: Clautice and others, 1990 

Reporter(s): Riehle, J. (USGS) 

Last report date: 8/1/96

Page 112
Alaska Resource Data File TK057

Site name(s): Roaring Creek

Site Type: Prospect

ARDFno.: TK057

Latitude: 62.258

Longitude: 147.917

Quadrangle: TKB-2

Location description and accuracy:

1 1/4 mi (2.0 km) up Roaring Creek from confluence with Oshetna River; area of interest 

is NW of given location; location accurate to within 1/4 mi (400 m) radius (Csejtey and 

Miller, 1978, loc. 60).

Commodities:

Main: Au

Other:

Ore minerals: Gold 

Gangue minerals:

Geologic description:

Host is alluvial gravels of Tertiary(?) age. Stream & bench deposits overlie Tertiary volcanic rocks.

Alteration:

Age of mineralization:

Tertiary?

Deposit model:

Placer Au (Cox and Singer, 1986; model 39a)

Deposit model number (After Cox and Singer, 1986 or Bliss, 1992):

39a

Production Status: Undetermined 

Site Status: Inactive 

Workings/exploration:

Page 113
Alaska Resource Data File TK057

Multiple placer claims along lower Roaring Creek. 'Encouraging' prospects in 1918 

(Chapin, 1918). Analysis of stream-sediment sample yielded 4.5 ppm gold (Balen, 

1990).

Production notes: 

Reserves: 

Additional comments:

References:

Chapin, 1915; Chapin, 1918; Cobb, 1972, MF-370; MacKevett and Holloway, 1977; 

Csejtey and Miller, 1978; Singer and others, 1978; Cobb and Csejtey, 1980; Balen, 1990; 

Kurtak and others, 1992.

Primary reference: Chapin, 1918 

Reporter(s): Riehle, J. (USGS) 

Last report date: 8/1/96

Page 114
Alaska Resource Data File TK057

Site name(s): Unnamed 

Site Type: Occurrence 

ARDFno.: TK058 

Latitude: 62.33 

Longitude: 147.96

Quadrangle: TKB-2

Location description and accuracy:

For 2 mi (3.2 km) along upper Granite Creek; location accurate to witMn 1/2 mi (800 m).

Commodities:

Main: Ag, Au, Cu, Zn

Other:

Ore minerals: Chalcopyrite, gold, pyrite, sphalerite (?) 

Gangue minerals: Clay

Geologic description:

Analyses of mineralized samples from gossans and clay-rich shear zones in tuffs and 

flows of the Lower Jurassic Talkeetna Formation.

Alteration:

Clay in gouge of shear zone; iron oxide (gossan)

Age of mineralization:

Deposit model:

Polymetallic vein or porphyry Cu-Au? (Cox and Singer, 1986; model 22c or 20c?)

Deposit model number (After Cox and Singer, 1986 or Bliss, 1992):

22c or 20c?

Production Status: None 

Site Status: Inactive

Workings/exploration:

Analyses of rock samples from south valley wall of upper Granite Creek yielded 0.2 

ppm Au, 0.8 ppm Ag, >1.0% Zn, >1.0% Cu (Clautice and others, 1990).

Page 115
Alaska Resource Data File TK058

Production notes: 

Reserves: 

Additional comments:

References:

Clautice and others, 1990.

Primary reference: Clautice and others, 1990 

Reporter(s): Riehle, J. (USGS) 

Last report date: 8/1/96

Page 116
Alaska Resource Data File TK059

Site name(s): Granite Creek

Site Type: Prospect 

ARDFno.: TK059 

Latitude: 62.3 

Longitude: 147.861

Quadrangle: TKB-2

Location description and accuracy:

2 mi (3.2 km) up Granite Creek from confluence with Oshetna River; location accurate 

to within 1/4 mi (400 m) (Csejtey and Miller, 1978, loc. 57).

Commodities:

Main: Au

Other:

Ore minerals: Gold 

Gangue minerals:

Geologic description:

Host is alluvial gravels of Tertiary(?) age. Placer deposits overlie Tertiary volcanic 

rocks.

Alteration:

Age of mineralization:

Deposit model:

Placer Au (Cox and Singer, 1986; model 39a)

Deposit model number (After Cox and Singer, 1986 or Bliss, 1992):

39a

Production Status: Undetermined 

Site Status: Inactive

Workings/exploration:

Type of workings: Surface.

Page 117
Alaska Resource Data File TK059

Production notes: 

Reserves:

Additional comments:

Placer claims on lower Granite Creek. Enough gold found to encourage further prospecting in 1918 (Chapin, 1918).

References:

Chapin, 1915; Chapin, 1918; Cobb, 1972, MF-370; MacKevett and Holloway, 1977; 

Csejtey and Miller, 1978; Singer and others, 1978; Cobb and Csejtey, 1980; Kurtak and 

others, 1992.

Primary reference: Chapin, 1918 

Reporter(s): Riehle, J. (USGS) 

Last report date: 8/1/96

Page 118
Alaska Resource Data File TK060

Site name(s): Unnamed 

Site Type: Occurrence 

ARDFno.: TK060 

Latitude: 62.36 

Longitude: 147.91

Quadrangle: TKB-2

Location description and accuracy:

Near head of east fork of unnamed, N-flowing tributary of Black River; location accurate 

to within 1/2 mi (800 m).

Commodities:

Main: Au

Other:

Ore minerals: Gold 

Gangue minerals:

Geologic description:

Alluvial deposits.

Alteration:

Age of mineralization:

Deposit model:

Placer Au (Cox and Singer, 1986; model 39a)

Deposit model number (After Cox and Singer, 1986 or Bliss, 1992):

39a

Production Status: None 

Site Status: Inactive

Workings/exploration:

Analyses of pan concentrates yielded >10 ppm Au (Clautice and others, 1990).

Production notes:

Page 119
Alaska Resource Data File TK060

Reserves: 

Additional comments:

References:

Clautice and others, 1990.

Primary reference: Clautice and others, 1990 

Reporter(s): Riehle, J. (USGS) 

Last report date: 8/1/96

Page 120
Alaska Resource Data File TK061

Site name(s): Gold Creek

Site Type: Prospect 

ARDFno.: TK061 

Latitude: 62.228 

Longitude: 147.742

Quadrangle: TKB-2

Location description and accuracy:

Location is on middle fork of Gold Creek; areas of interest generally N of that location; 1 

mi (1.6 km) S45W of hill 5105; location accurate to within 1/4 mi (400 m) (Csejtey and 

Miller, 1978, loc. 56).

Commodities:

Main: Au

Other: Pt 

Ore minerals: Gold 

Gangue minerals:

Geologic description:

Host is alluvial gravels overlying Jurassic rocks of Talkeetna Formation.

Alteration:

Age of mineralization:

Quaternary

Deposit model:

Placer Au-PGE (Cox and Singer, 1986; model 39a)

Deposit model number (After Cox and Singer, 1986 or Bliss, 1992):

39a

Production Status: None 

Site Status: Inactive

Workings/exploration:

Several placer claims on Gold Creek, some staked as recently as 1980 (Kurtak and othPage 121
Alaska Resource Data File TK061

ers, 1992). Coarse gold reported in 1914 to have been found (Chapin, 1918). Analysis 

of stream-sediment sample yielded 3.1 ppm Pt and >10 ppm Au (Balen, 1990).

Production notes: 

Reserves:

Additional comments:

Gold Creek flows in the Talkeetna Mountains A-2 and B-2 quadrangles.

References:

Chapin, 1915; Chapin, 1918; Cobb, 1972, MF-370; MacKevett and Ho'loway, 1977; 

Csejtey and Miller, 1978; Singer and others, 1978; Cobb and Csejtey, 1980; Balen, 1990; 

Kurtak and others, 1992.

Primary reference: Balen, 1990 

Reporter(s): Riehle, J. (USGS) 

Last report date: 8/1/96

Page 122
Alaska Resource Data File TK062

Site name(s): Busch Creek

Site Type: Mine 

ARDFno.: TK062 

Latitude: 62.48 

Longitude: 147.75

Quadrangle: TKB-2

Location description and accuracy:

Located on Busch Creek. Previously reported longitude does not plot on Busch Creek 

and appears to be in error (USBM, 1995. MAS/MILS file).

Commodities:

Main: Au

Other: Pt 

Ore minerals: Gold 

Gangue minerals:

Geologic description:

Placer mine in alluvial deposits.

Alteration:

Age of mineralization:

Deposit model:

Placer Au-PGE (Cox and Singer, 1986; model 39a)

Deposit model number (After Cox and Singer, 1986 or Bliss, 1992):

39a

Production Status: Yes; small 

Site Status: Inactive

Workings/exploration:

Analysis of stream-sediment samples yielded >10 ppm Au (Balen, 1990).

Production notes:

Page 123
Alaska Resource Data File TK062

Production of 150oz gold reported in 1988 (Balen, 1990). 

Reserves: 

Additional comments:

References:

Balen, 1990; Kurtak and others, 1992, USBM, 1995.

Primary reference: Balen, 1990 

Reporter(s): Riehle, J. (USGS) 

Last report date: 8/1/96

Page 124
Alaska Resource Data File TK063

Site name(s): Goose Creek

Site Type: Occurrence 

ARDFno.: TK063 

Latitude: 62.5 

Longitude: 147.67

Quadrangle: TK C-2

Location description and accuracy:

On Goose Creek, 1/2 mi (800 m) downstream from confluence with Busch Creek; location accurate to within 1/2 mi (800 m).

Commodities:

Main: Au

Other:

Ore minerals: Gold 

Gangue minerals:

Geologic description:

Alluvial deposits.

Alteration:

Age of mineralization:

Deposit model:

Placer Au (Cox and Singer, 1986; model 39a)

Deposit model number (After Cox and Singer, 1986 or Bliss, 1992):

39a

Production Status: None 

Site Status: Inactive

Workings/exploration:

Analysis of pan concentrates yielded >10 ppm Au (Clautice and others, 1990).

Production notes:

Page 125
Alaska Resource Data File TK063

Reserves: 

Additional comments:

References:

Clautice and others, 1990.

Primary reference: Clautice and others, 1990 

Reporter(s): Riehle, J. (USGS) 

Last report date: 8/1/96

Page 126
Alaska Resource Data File TK064

Site name(s): Oshetna River 

Site Type: Prospect 

ARDFno.: TK064 

Latitude: 62.369 

Longitude: 147.5

Quadrangle: TKB-2

Location description and accuracy:

Oshetna River on upstream side of confluence with Little Oshetna River; location accurate to within 1/2 mi (800 m).

Commodities:

Main: Au

Other:

Ore minerals: Gold 

Gangue minerals:

Geologic description:

Alluvial deposits.

Alteration:

Age of mineralization:

Deposit model:

Placer Au (Cox and Singer, 1986; model 39a)

Deposit model number (After Cox and Singer, 1986 or Bliss, 1992):

39a

Production Status: Undetermined 

Site Status: Inactive

Workings/exploration:

Placer claims staked in 1973. Analysis of stream-sediment samples yielded 2.2 ppm Au 

(Balen, 1990).

Page 127
Alaska Resource Data File TK064

Production notes: 

Reserves: 

Additional comments:

References:

Balen, 1990; Kurtak and others, 1992.

Primary reference: Balen, 1990 

Reporter(s): Riehle, J. (USGS) 

Last report date: 8/1/96

Page 128
Alaska Resource Data File TK065

Site name(s): Joe Creek 

Site Type: Prospect 

ARDFno.: TK065 

Latitude: 62.24 

Longitude: 147.41

Quadrangle: TKA-1

Location description and accuracy:

On east fork of Joe Creek 1 mi (1.6 km) downstream from its head; location accurate to 

within 1/2 mi (800 m).

Commodities:

Main: Au

Other:

Ore minerals: Gold 

Gangue minerals:

Geologic description:

Alluvial deposits.

Alteration:

Age of mineralization:

Deposit model:

Placer Au (Cox and Singer, 1986; model 39a)

Deposit model number (After Cox and Singer, 1986 or Bliss, 1992):

39a

Production Status: None 

Site Status: Inactive

Workings/exploration:

Placer claims staked during 1980-83. Analysis of stream-sediment samples yielded 1 

ppm Ag, >10 ppm Au (Balen, 1990).

Page 129
Alaska Resource Data File TK065

Production notes: 

Reserves: 

Additional comments:

References:

Balen, 1990; Kurtak and others, 1992.

Primary reference: Balen, 1990 

Reporter(s): Riehle, J. (USGS) 

Last report date: 8/1/96

Page 130
Alaska Resource Data File TK066

Site name(s): Red Creek

Site Type: Prospect 

ARDFno.: TK066

Latitude: 62.26 

Longitude: 147.4

Quadrangle: TKB-1

Location description and accuracy:

On Red Creek 1.5 mi (2.4 km) downstream from its head; location accurate to within 1/2 

mi (800 m)

Commodities:

Main: Au

Other:

Ore minerals: Gold 

Gangue minerals:

Geologic description:

Alluvial deposits.

Alteration:

Age of mineralization:

Deposit model:

Placer Au (Cox and Singer, 1986; model 39a)

Deposit model number (After Cox and Singer, 1986 or Bliss, 1992):

39a

Production Status: None 

Site Status: Inactive

Workings/exploration:

Placer claims staked in the 1980's. Analysis of stream-sediment samples yielded 0.5 

ppm Ag, >10 ppm Au (Balen, 1990).

Page 131
Alaska Resource Data File TK066

Production notes: 

Reserves: 

Additional comments:

References:

Balen, 1990; Kurtak and others, 1992.

Primary reference: Balen, 1990 

Reporter(s): Riehle, J. (USGS) 

Last report date: 8/1/96

Page 132
Alaska Resource Data File TK067

Site name(s): Yacko Creek 

Site Type: Mine 

ARDFno.: TK067

Latitude: 62.217 

Longitude: 147.333

Quadrangle: TKB-1

Location description and accuracy:

Area of interest is N and S of given location along the entire extent of Yacko Creek; location accurately known.

Commodities:

Main: Au

Other:

Ore minerals: Gold 

Gangue minerals:

Geologic description:

Host is alluvial gravel underlain by Jurassic sedimentary and volcanic rocks.

Alteration:

Age of mineralization:

Quaternary

Deposit model:

Placer Au (Cox and Singer, 1986; model 39a)

Deposit model number (After Cox and Singer, 1986 or Bliss, 1992):

39a

Production Status: Yes; small 

Site Status: Inactive

Workings/exploration:

Several placer claims along Yacko Creek; coarse gold in gravels reported, in sufficient 

quantities '...to encourage further work...' (Chapin, 1918).

Page 133
Alaska Resource Data File TK067

Production notes:

Estimated 1,000 oz Au produced during 1984; up to 0.003 oz/yd3 Au (Kurtak and others, 1992).

Reserves:

Additional comments:

Yacko Creek flows in the Talkeetna Mountains A-l and B-l quadrangles.

References:

Chapin, 1915; Chapin, 1918; Cobb, 1972, MF-370; MacKevett and Holloway, 1977; 

Csejtey and Miller, 1978; Singer and others, 1978; Cobb and Csejtey, 1980; Kurtak and 

others, 1992.

Primary reference: Chapin, 1918 

Reporter(s): Riehle, J. (USGS) 

Last report date: 8/1/96

Page 134
Alaska Resource Data File TK068

Site name(s): Walker Creek

Site Type: Prospect 

ARDFno.: TK068

Latitude: 62.31

Longitude: 147.34

Quadrangle: TKB-1

Location description and accuracy:

Located about 2 miles upstream from confluence of Walker Creek with Sanona Creek. 

Previously reported longitude plots on Red Creek and appears to be in error (USBM, 

1995, MAS/MILS file).

Commodities:

Main: Au

Other:

Ore minerals: Gold 

Gangue minerals:

Geologic description:

Alluvial deposits.

Alteration:

Age of mineralization:

Deposit model:

Placer Au (Cox and Singer, 1986; model 39a)

Deposit model number (After Cox and Singer, 1986 or Bliss, 1992):

39a

Production Status: Undetermined 

Site Status: Inactive

Workings/exploration:

Placer claims staked in 1976. Analysis of stream-sediment samples yielded 1 ppm Ag, 5 

ppm Au(Balen, 1990).

Page 135
Alaska Resource Data File TK068

Production notes: 

Reserves: 

Additional comments:

References:

Balen, 1990; Kurtak and others, 1992; USBM, 1995.

Primary reference: Balen, 1990 

Reporter(s): Riehle, J. (USGS) 

Last report date: 8/1/96

Page 136
Alaska Resource Data File TK069

Site name(s): Walker Creek 

Site Type: Prospect 

ARDFno.: TK069 

Latitude: 62.29 

Longitude: 147.32

Quadrangle: TKB-1

Location description and accuracy:

On tributary of Sanona Creek, between 3300 ft and 4000 ft (1,000 m and 1,200 m) elevation; location accurate to within 1/2 mi (800 m).

Commodities:

Main: Au

Other: Pb, W, Zn 

Ore minerals: Gold 

Gangue minerals:

Geologic description:

Alluvial deposits.

Alteration:

Age of mineralization:

Deposit model:

Placer Au (Cox and Singer, 1986; model 39a)

Deposit model number (After Cox and Singer, 1986 or Bliss, 1992):

39a

Production Status: None 

Site Status: Inactive

Workings/exploration:

Placer claims staked in 1976. Analysis of stream-sediment samples yielded up to 0.0001 

oz/yd3 Au and anomalously high concentrations of Pb, W, and Zn (Kurtak and others, 

1992).

Page 137
Alaska Resource Data File TK069

Production notes: 

Reserves: 

Additional comments:

References:

Balen, 1990; Kurtak and others, 1992.

Primary reference: Balen, 1990 

Reporter(s): Riehle, J. (USGS) 

Last report date: 8/1/96

Page 138
Alaska Resource Data File TK070

Site name(s): Fourth of July Creek 

Site Type: Prospect 

ARDFno.: TK070 

Latitude: 62.317 

Longitude: 147.283

Quadrangle: TKB-1

Location description and accuracy:

3 mi (4.8 km) SE of Big Bones Ridge, on Fourth of July Creek; location accurately 

known.

Commodities:

Main: Au

Other:

Ore minerals: Gold 

Gangue minerals:

Geologic description:

Host is alluvial gravels which overlie Jurassic volcanic rocks of Talkeetna Formation.

Alteration:

Age of mineralization:

Quaternary

Deposit model:

Placer Au (Cox and Singer, 1986; model 39a)

Deposit model number (After Cox and Singer, 1986 or Bliss, 1992):

39a

Production Status: Undetermined 

Site Status: Inactive

Workings/exploration:

Type of workings: Surface.

Page 139
Alaska Resource Data File TK070

Production notes: 

Reserves:

Additional comments:

Several placer claims on Fourth of July Creek, active in early 1900's.

References:

Chapin, 1915; Chapin, 1918; Cobb, 1972, MF-370; MacKevett and Ho'loway, 1977; 

Csejtey and Miller, 1978; Singer and others, 1978; Cobb and Csejtey, 1980.

Primary reference: Chapin, 1918 

Reporter(s): Riehle, J. (USGS) 

Last report date: 8/1/96

Page 140
Alaska Resource Data File TK071

Site name(s): Daisy Creek

Site Type: Prospect 

ARDFno.: TK071 

Latitude: 62.283 

Longitude: 147.167

Quadrangle: TKB-1

Location description and accuracy:

Location is on Daisy Creek, 2 miles (3.2 km) W of confluence with Tyone Creek; 5 

miles (8.0 km) WNW of S lake; location accurately known (Csejtey a^d Miller, 1978, 

loc. 104).

Commodities:

Main: Au

Other:

Ore minerals: Gold 

Gangue minerals:

Geologic description:

Shallow deposits of gold-bearing, alluvial gravels overlie Jurassic rocks of Talkeetna 

Formation and Tertiary continental rocks. Up to 0.0009 oz/yd3 Au in stream-sediment 

samples (Kurtak and others, 1992).

Alteration:

Age of mineralization:

Deposit model:

Placer Au (Cox and Singer, 1986; model 39a)

Deposit model number (After Cox and Singer, 1986 or Bliss, 1992):

39a

Production Status: None 

Site Status: Inactive 

Workings/exploration:

Page 141
Alaska Resource Data File TK071

Up to 0.0009 oz/yd3 Au in stream-sediment samples (Kurtak and others, 1992).

Production notes:

Some claims referred to as '...fair prospects...' (Chapin, 1918) but WORKED ONLY ON 

A SMALL SCALE BEFORE 1914 (Cobb, 1973). Problems in development due to shallow groundwater. Entire length of Daisy Creek worked.

Reserves: 

Additional comments:

References:

Chapin, 1915; Chapin, 1918; Cobb, 1972, MF-370; Cobb, 1973, B 1374; MacKevett and 

Holloway, 1977; Csejtey and Miller, 1978; Singer and others, 1978; Cobb and Csejtey, 

1980; Kurtak and others, 1992.

Primary reference: Chapin,1918 

Reporter(s): Riehle, J. (USGS) 

Last report date: 8/1/96

Page 142
Alaska Resource Data File TK072

Site name(s): Pumicite

Site Type: Prospect 

ARDFno.: TK072 

Latitude: 62.304 

Longitude: 147.083

Quadrangle: TKB-1

Location description and accuracy:

On Tyone Creek or an unnamed tributary, 2 mi (3.2 km) downstream from confluence 

with Daisy Creek; location accurate to within 1/2 mi (800 m)

Commodities:

Main: Au

Other:

Ore minerals: Gold 

Gangue minerals:

Geologic description:

Alluvial deposits.

Alteration:

Age of mineralization:

Deposit model:

Placer Au (Cox and Singer, 1986; model 39a)

Deposit model number (After Cox and Singer, 1986 or Bliss, 1992):

39a

Production Status: None 

Site Status: Inactive

Workings/exploration:

Placer claim staked in 1955. Analysis of stream-sediment samples yielded 2.6 ppm Au 

(Balen, 1990).

Page 143
Alaska Resource Data File TK072

Production notes: 

Reserves: 

Additional comments:

References:

Balen, 1990; Kurtak and others, 1992.

Primary reference: Balen, 1990 

Reporter(s): Riehle, J. (USGS) 

Last report date: 8/1/96

Page 144
Alaska Resource Data File TK073

Site name(s): Nicolie Creek

Site Type: Prospect 

ARDFno.: TK073 

Latitude: 62.19 

Longitude: 147.2

Quadrangle: TKA-1

Location description and accuracy:

Nicolie Creek 1/2 mi (800 m) upstream from confluence with Tyone Creek; location accurate to within 1/2 mi (800 m).

Commodities:

Main: Au

Other:

Ore minerals: Gold 

Gangue minerals:

Geologic description:

Alluvial deposits.

Alteration:

Age of mineralization:

Deposit model:

Placer Au (Cox and Singer, 1986; model 39a)

Deposit model number (After Cox and Singer, 1986 or Bliss, 1992):

39a

Production Status: None 

Site Status: Inactive

Workings/exploration:

Placer claims staked in 1973 and 1982. Analysis of stream-sediment samples yielded 7 

ppm Au(Balen, 1990).

Page 145
Alaska Resource Data File TK073

Production notes: 

Reserves: 

Additional comments:

References:

Balen, 1990; Kurtak and others, 1992.

Primary reference: Balen, 1990 

Reporter(s): Riehle, J. (USGS) 

Last report date: 8/1/96

Page 146
Alaska Resource Data File TK074

Site name(s): Tyone Creek

Site Type: Mine 

ARDFno.: TK074 

Latitude: 62.17 

Longitude: 147.35

Quadrangle: TKA-1

Location description and accuracy:

On Tyone Creek at confluence with Buchia Creek; location accurate tc within 1/2 mi 

(800 m).

Commodities:

Main: Au

Other: Pt 

Ore minerals: Gold 

Gangue minerals:

Geologic description:

Placer mine in alluvial deposits.

Alteration:

Age of mineralization:

Deposit model:

Placer Au-PGE (Cox and Singer, 1986; model 39a)

Deposit model number (After Cox and Singer, 1986 or Bliss, 1992):

39a

Production Status: Yes; small 

Site Status: Inactive

Workings/exploration:

Analysis of stream-sediment samples yielded 4 ppm Pt, >10 ppm Au (Balen, 1990).

Production notes:

Page 147
Alaska Resource Data File TK074

Minor production reported (Balen, 1990) but probably based on a vague report by prospectors of gold plates worth 1 cent apiece in the headwaters of the Tyonek River (Paige 

andKnopf, 1907).

Reserves: 

Additional comments:

References:

Paige and Knopf, 1907; Balen, 1990; Kurtak and others, 1992.

Primary reference: Balen, 1990 

Reporter(s): Riehle, J. (USGS) 

Last report date: 8/1/96

Page 148
Alaska Resource Data File TK075

Site name(s): Red Fox Creek

Site Type: Mine

ARDFno.: TK075

Latitude: 62.19

Longitude: 147.38

Quadrangle: TKA-1

Location description and accuracy:

On Red Fox Creek 1.5 mi (2.4 km) upstream from confluence with Buchia Creek; location accurate to within 1/2 mi (800 m)

Commodities:

Main: Au

Other: Pt

Ore minerals: Gold 

Gangue minerals:

Geologic description:

Alluvial deposits.

Alteration:

Age of mineralization:

Deposit model:

Placer Au-PGE (Cox and Singer, 1986; model 39a)

Deposit model number (After Cox and Singer, 1986 or Bliss, 1992):

39a

Production Status: Yes; small 

Site Status: Inactive

Workings/exploration:

Weakly anomalous, concentrations of Ag, Au, and Pt in stream-sediment samples (Balen, 

1990).

Page 149
Alaska Resource Data File TK075

Production notes:

Estimated 200 oz gold production (Kurtak and others, 1992), possibly in the 1980's.

Reserves: 

Additional comments:

References:

Balen, 1990; Kurtak and others, 1992.

Primary reference: Balen, 1990 

Reporter(s): Riehle, J. (USGS) 

Last report date: 8/1/96

Page 150
Alaska Resource Data File TK076

Site name(s): Buchia Creek 

Site Type: Prospect 

ARDFno.: TK076 

Latitude: 62.16 

Longitude: 147.46

Quadrangle: TKA-1

Location description and accuracy:

On tributary of Tyone Creek, 3600 ft to 4200 ft (1100 m to 1200 m) elevation; location 

accurate to within 1/2 mi (800 m).

Commodities:

Main: Au

Other:

Ore minerals: Gold 

Gangue minerals:

Geologic description:

Alluvial deposits.

Alteration:

Age of mineralization:

Deposit model:

Placer Au (Cox and Singer, 1986; model 39a)

Deposit model number (After Cox and Singer, 1986 or Bliss, 1992):

39a

Production Status: None 

Site Status: Inactive

Workings/exploration:

Placer claims staked during 1979-1983. Analysis of stream-sediment samples yielded up 

to 0.0015 oz/yd3 Au (Kurtak and others, 1992).

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Alaska Resource Data File TK076

Production notes: 

Reserves: 

Additional comments:

References:

Kurtak and others, 1992.

Primary reference: Kurtak and others, 1992 

Reporter(s): Riehle, J. (USGS) 

Last report date: 8/1/96

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Alaska Resource Data File TK077

Site name(s): Horn Mountains

Site Type: Prospect 

ARDFno.: TK077 

Latitude: 62.03 

Longitude: 147.33

Quadrangle: TKA-1

Location description and accuracy:

Area of interest is generally SSW of given location; deposit outcrop extends for more 

that 7 miles (11.2 km) from North Creek into the Anchorage quadrangle to the S; 3/4 

MILE (1.2 km) SE of Cameron Pass in Horn Mountains; location accurate to within 1/2 

mile (800 m) (Csejtey and Miller, 1978, loc. 112).

Commodities:

Main: Zeolites

Other:

Ore minerals: Analcime, heulandite, laumonite, mordenite 

Gangue minerals: Calcite, feldspar, montmorillonite, quartz

Geologic description:

Host rocks are Lower Jurassic Talkeetna Formation. They consist of flat-lying, normally 

graded, zeolitized tuff beds interbedded with lava flows.

Alteration:

Age of mineralization:

Deposit model:

Deposit model number (After Cox and Singer, 1986 or Bliss, 1992):

Production Status: None

Site Status: Inactive

Workings/exploration:

Type of workings: Surface.

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Alaska Resource Data File TK077

Production notes: 

Reserves:

Additional comments:

This deposit is of economic size and grade and warrants development, recording to 

Hawkins (1976); average mordenite content is 49% (range 26-72%).

References:

Hawkins, 1976; MacKevett and Holloway, 1977; Csejtey and Miller, 1978; Singer and 

others, 1978; Cobb and Csejtey, 1980.

Primary reference: Hawkins, 1976 

Reporter(s): Riehle, J. (USGS) 

Last report date: 8/1/96

Page 154
Alaska Resource Data File TK078

Site name(s): Albert Creek; Crooked Creek

Site Type: Mine 

ARDFno.: TK078

Latitude: 62.04 

Longitude: 147.31

Quadrangle: TKA-1

Location description and accuracy:

Extends from 62.00 to 62.07 N and 147.21 to 147.33 W; 8 mi (12.8 km) SW of Nelchina.

Commodities:

Main: Au

Other: Pt 

Ore minerals: Gold 

Gangue minerals:

Geologic description:

Placer deposits

Alteration:

Age of mineralization:

Quaternary

Deposit model:

Placer Au-PGE (Cox and Singer, 1986; model 39a)

Deposit model number (After Cox and Singer, 1986 or Bliss, 1992):

39a

Production Status: Yes; small 

Site Status: Inactive

Workings/exploration:

Several placer claims on Albert Creek (a tributary of Crooked Creek) and on Crooked 

Creek. Gold discovered on Albert Creek in 1912, leading to a small stampede; no other

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Alaska Resource Data File TK078

valuable deposits were found, but activity on Albert Creek continued to at least 1961 

(Cobb, 1973,B 1374).

Production notes:

One or more claims on Albert Creek produced 150 oz gold during 1914 (Chapin, 1918).

Reserves: 

Additional comments:

References:

Martin andMertie, 1914; Chapin, 1915; Chapin, 1918; Capps, 1924; Cobb, 1972, MF370; Cobb, 1973, B 1374; MacKevett and Holloway, 1977; Csejtey and Miller, 1978; 

Singer and others, 1978; Cobb and Csejtey, 1980.

Primary reference: Chapin, 1918 

Reporter(s): Riehle, J. (USGS) 

Last report date: 8/1/96

Page 156
Alaska Resource Data File TK079

Site name(s): North Creek

Site Type: Mine 

ARDFno.: TK079 

Latitude: 62.008 

Longitude: 147.344

Quadrangle: TKA-1

Location description and accuracy:

Area of interest includes claims on North Creek (also Albert Creek (a tributary of 

Crooked Creek) and Crooked Creek); SE flank of Horn Mountains; location accurately 

known (Csejtey and Miller, 1978, loc. 110).

Commodities:

Main: Au

Other: Pt 

Ore minerals: Gold 

Gangue minerals:

Geologic description:

Host is alluvial gravels of Tertiary(?) age. Gravels overlie Mesozoic volcanic and sedimentary rocks. Fine gold occurs in most glacial & glaciofluvial deposits in the vicinity, 

but not in mineable quantities (Cobb, 1973). Lode gold deposits not found in the immediate area.

Alteration:

Age of mineralization:

Deposit model:

Placer Au-PGE (Cox and Singer, 1986; model 39a)

Deposit model number (After Cox and Singer, 1986 or Bliss, 1992):

39a

Production Status: Yes; small 

Site Status: Inactive

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Alaska Resource Data File TK079

Workings/exploration:

Type of workings: Surface. Intermittent, small-scale mining from 1912 to at least 1961.

Production notes: 

Reserves: 

Additional comments:

References:

Martin and Mertie, 1914; Chapin, 1918; Cobb, 1972, MF-370; Cobb, 1973, B 1374; 

MacKevett and Holloway, 1977; Csejtey and Miller, 1978; Singer and others, 1978; 

Cobb and Csejtey, 1980.

Primary reference: Martin and Mertie, 1914 

Reporter(s): Riehle, J. (USGS) 

Last report date: 8/1/96

Page 158
Alaska Resource Data File TK080

Site name(s): Sleigh Creek

Site Type: Prospect 

ARDFno.: TK080 

Latitude: 62.01 

Longitude: 147.28

Quadrangle: TKA-1

Location description and accuracy:

On Sleigh Creek 1/2 mi (800 m) upstream from confluence with Crooved Creek, 1 and 

1/4 mi (2.0 km) W of Benchmark 'Albert'; location accurate to within 1/2 mi (800 m).

Commodities:

Main:

Other: Au 

Ore minerals: Gold 

Gangue minerals:

Geologic description:

Alluvial deposits.

Alteration:

Age of mineralization:

Deposit model:

Placer Au (Cox and Singer, 1986; model 39a)

Deposit model number (After Cox and Singer, 1986 or Bliss, 1992):

39a

Production Status: Undetermined 

Site Status: Inactive

Workings/exploration:

Placer claim. Placer gold reportedly found in 1913 (Martin and Mertie, 1914).

Production notes:

Page 159
Alaska Resource Data File TK080

Reserves: 

Additional comments:

References:

Martin and Mertie, 1914; Cobb and Csejtey, 1980.

Primary reference: Martin and Mertie, 1914 

Reporter(s): Riehle, J. (USGS) 

Last report date: 8/1/96

Page 160
Alaska Resource Data File TK081

Site name(s): Unnamed

Site Type: Mine 

ARDFno.: TK081 

Latitude: 62.067 

Longitude: 147.217

Quadrangle: TKA-1

Location description and accuracy:

On Crooked Creek, 1 1/2 mi (2.4 km) downstream from confluence with Willow Creek; 

about 3 mi (4.8 km) SW OF Nelchina (abandoned); location accurately known.

Commodities:

Main: Au

Other:

Ore minerals: Gold 

Gangue minerals:

Geologic description:

Host is alluvial gravels. Some colors of gold from a blue-gray gravel bed 9 ft (3 m) 

thick, about 100 ft (30 m) below surface.

Alteration:

Age of mineralization:

Quaternary

Deposit model:

Placer Au (Cox and Singer, 1986; model 39a)

Deposit model number (After Cox and Singer, 1986 or Bliss, 1992):

39a

Production Status: Yes; small 

Site Status: Inactive

Workings/exploration:

Type of workings: Surface and underground. Vigorous mining in ear'y 1900's (a shaft

Page 161
Alaska Resource Data File TK081

on main stream did not hit bedrock). Several placer claims are included in this site description.

Production notes: 

Reserves: 

Additional comments:

References:

Martin and Mertie, 1914; Chapin, 1915; Chapin, 1918; Capps, 1924; Cobb, 1972, MF370; Cobb, 1973, B 1374; MacKevett and Holloway, 1977; Csejtey and Miller, 1978; 

Singer and others, 1978; Cobb and Csejtey, 1980.

Primary reference: Chapin, 1918 

Reporter(s): Riehle, J. (USGS) 

Last report date: 8/1/96

Page 162
Alaska Resource Data File TK082

Site name(s): Little Oshetna River

Site Type: Prospect 

ARDFno.: TK082 

Latitude: 62.19 

Longitude: 147.7

Quadrangle: TKA-2

Location description and accuracy:

Little Oshetna River 3 mi (4.8 km) upstream from confluence with Conglomerate Creek; 

location accurate to within 1/2 mi (800 m).

Commodities:

Main: Au

Other: Pt

Ore minerals: Gold 

Gangue minerals:

Geologic description:

Alluvial deposits.

Alteration:

Age of mineralization:

Deposit model:

Placer Au-PGE (Cox and Singer, 1986; model 39a)

Deposit model number (After Cox and Singer, 1986 or Bliss, 1992):

39a

Production Status: None 

Site Status: Inactive

Workings/exploration:

Placer claims staked in 1976 and 1982. Analysis of stream-sediment samples yielded 1 

ppm Ag, 0.8 ppm Pt, >10 ppm Au (Balen, 1990).

Page 163
Alaska Resource Data File TK082

Production notes: 

Reserves: 

Additional comments:

References:

Balen, 1990; Kurtak and others, 1992.

Primary reference: Balen, 1990 

Reporter(s): Riehle, J. (USGS) 

Last report date: 8/1/96

Page 164
Alaska Resource Data File TK083

Site name(s): Unnamed

Site Type: Occurrence 

ARDFno.: TK083 

Latitude: 62.34 

Longitude: 147.84

Quadrangle: TKA-2

Location description and accuracy:

Near head of unnamed tributary of Oshetna River; location accurate to within 1/2 mi 

(800m).

Commodities:

Main: Au

Other:

Ore minerals: Gold 

Gangue minerals:

Geologic description:

Alluvial deposits.

Alteration:

Age of mineralization:

Deposit model:

Placer Au (Cox and Singer, 1986; model 39a)

Deposit model number (After Cox and Singer, 1986 or Bliss, 1992):

39a

Production Status: None 

Site Status: Inactive

Workings/exploration:

Analyses of pan concentrates yielded 4.3 ppm gold (Clautice and othe-s, 1990).

Production notes:

Page 165
Alaska Resource Data File TK083

Reserves: 

Additional comments:

References:

Clautice and others, 1990.

Primary reference: Clautice and others, 1990 

Reporter(s): Riehle, J. (USGS) 

Last report date: 8/1/96

Page 166
Alaska Resource Data File TK084

Site name(s): Upper Oshetna River 

Site Type: Occurrence 

ARDFno.: TK084 

Latitude: 62.11 

Longitude: 147.98

Quadrangle: TKA-2

Location description and accuracy:

On the Oshetna River, 3.5 mi (5.6 km) N of divide from Chickaloon River; location accurate to within 1/2 mi (800 m).

Commodities:

Main: Au

Other:

Ore minerals: Gold 

Gangue minerals:

Geologic description:

Alluvial deposits.

Alteration:

Age of mineralization:

Deposit model:

Placer Au (Cox and Singer, 1986; model 39a)

Deposit model number (After Cox and Singer, 1986 or Bliss, 1992):

39a

Production Status: None 

Site Status: Inactive

Workings/exploration:

Analyses of stream-sediment samples yielded >10 ppm Au and 500-800 ppm Zn (Kurtak 

and others, 1992).

Page 167
Alaska Resource Data File TK084

Production notes: 

Reserves: 

Additional comments:

References:

Kurtak and others, 1992.

Primary reference: Kurtak and others, 1992 

Reporter(s): Riehle, J. (USGS) 

Last report date: 8/1/96

Page 168
Alaska Resource Data File TK085

Site name(s): Mazuma Creek

Site Type: Mine 

ARDFno.: TK085

Latitude: 62.05 

Longitude: 147.85

Quadrangle: TK A-2

Location description and accuracy:

Location is Mazuma Creek, a tributary of Caribou Creek, but site report includes entire 

length of Mazuma Creek and part of Caribou Creek (Csejtey and Milbr, 1978, loc. 99).

Commodities: 

Main: Au

Other:

Ore minerals: Gold 

Gangue minerals:

Geologic description:

Host is alluvial gravels. Gravels overlie Tertiary conglomerate and volcanic rocks.

Alteration:

Age of mineralization:

Deposit model:

Placer Au (Cox and Singer, 1986; model 39a)

Deposit model number (After Cox and Singer, 1986 or Bliss, 1992):

39a

Production Status: Yes; small 

Site Status: Inactive

Workings/exploration:

Several placer claims on Mazama and Caribou Creeks.

Production notes:

Page 169
Alaska Resource Data File TK085

'...minor production...' reported by Cobb (1973). 

Reserves: 

Additional comments:

References:

Martin and Mertie, 1914; Chapin, 1918; Cobb, 1972, MF-370; Cobb, 1973, B 1374; 

MacKevett and Holloway, 1977; Csejtey and Miller, 1978; Singer and ethers, 1978; 

Cobb and Csejtey, 1980.

Primary reference: Cobb, 1973, B 1374 

Reporter(s): Riehle, J. (USGS) 

Last report date: 8/1/96

Page 170
Alaska Resource Data File References

References Cited

Anderson, R.E., 1969, Preliminary geochemistry and geology of the Little Falls Creek area, Talkeetna Mountains quadrangle, Alaska: Alaska Division of Mines and Geology, Geochemical Report 19, 16 p., 1 pi., 

1:45,000.

Balen, M.D., 1990, Geochemical sampling results from the Bureau of Mines Investigations in the Valdez Creek 

mining district, Alaska: U.S. Bureau of Mines Open-File Report 34-90, 218 p., 2 pi., 1:250,000.

Berg, H.C., and Cobb, E.H., 1967, Metalliferous lode deposits of Alaska: U.S. Geological Survey Bulletin 

1246, 254 p., 1 pi.

Brooks, A.H., 1911, The mining industry in 1910: U.S. Geological Survey Bulletin 480, p. 21-42.

Brooks, A.H., 1925, Alaska's mineral resources and production, 1923: U.S. Geological Survey Bulletin 773, p. 

3-52.

Capps, S.R., 1919, Mineral resources of the upper Chulitna region: U.S. Geological Survey Bulletin 692, p. 

207-232.Capps, S.R, 1919b, Mineral resources of the western Talkeetna Mountains: U.S. Geological Survey Bulletin 692, p. 187-205.

Capps, S.R., 1924, Geology and mineral resources of the region traversed by the Alaska Railroad: U.S. Geological Survey Bulletin 755, p. 73-150.

Capps, S.R., and Short, M.N., 1926, A ruby silver prospect in Alaska: U.S. Geological Survey Bulletin 783, p. 

89-95.

Carnes, R.D., 1976, Active Alaskan placer operations: U.S. Bureau of Mines, Open-file Report 98-76, 90 p., 40 

pi., 1:250,000.

Chapin, Theodore, 1915, Auriferous gravels of the Nelchina-Susitna region: U.S. Geological Survey Bulletin 

622, p. 118-130.

Chapin, Theodore, 1918, The Nelchina-Susitna region, Alaska: U.S. Geological Survey Bulletin 668, 67 p.

Clautice, K.H., Harris, E.E., Liss, S.A., Kline. J.T., Bundtzen, T.K., Gilbert, W.G., and Nye, C.J., 1990, Analytical results for rock, pan concentrate, and stream sediment samples from the Talkeetna Mountains B-2 

quadrangle and the northern part of the Talkeetna Mountains A-2 quadrangle: Alaska Division of Geological and Geophysical Surveys, Public Data File 90-31, 23 p., 1 pi., 1:63,360.

Cobb, E.H., 1972, Metallic mineral resources map of the Talkeetna Mountains quadrangle, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-370, 1 sheet, scale 1:250.000.

Cobb. E.H., 1973, Placer deposits of Alaska: U.S. Geological Survey Bulletin 1374, 213 p.

Cobb, E.H., and Csejtey, Bela, Jr., 1980, Summaries of data on and lists of references to metallic and selected 

nonmetallic mineral deposits in the Talkeetna Mountains quadrangle, Alaska: U.S. Geological Survey 

Open-File Report 80-716, 63 p.

Csejtey, Bela, Jr., and Miller, R.J., 1978, Map and table describing metalliferous and selected nonmetalliferous 

mineral deposits in the Talkeetna Mountains quadrangle, Alaska: U.S. Geological Survey Open-File Report 

78-558B. 1 pi. (1:250,000), 20 p.

Hawkins, D.B., 1976, Mordenite deposits and zeolite zonation in the Horn Mountains area, south-central

Page 171
Alaska Resource Data File References

Alaska: Alaska Division of Geological and Geophysical Surveys Special Report 11, 9 p.

Karlson, R.C., Curtin, G.C., Cooley, E.F., and Garmezy, Larry, 1977, Geochemical maps cf selected elements 

and results of spectrographic analyses for heavy-mineral concentrates from the western half of the Talkeetna 

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1:250,000.

Kurtak, J.M., Southworth, D.D., Balen, M.D., and Clautice, K.H., 1992, Mineral investigations in the Valdez 

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1:250,000.

MacKevett, E.M., Jr.. and Holloway. C.D.. 1977, Map showing metalliferous and selected nonmetalliferous 

mineral deposits in eastern southern Alaska: U.S. Geological Survey Open-File Report 77-169A, 1 pi. 

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Martin, G.C., andMertie, J.B., Jr., 1914, Mineral resources of the upper Matanuska and Nelchina valleys: U.S. 

Geological Survey Bulletin 592, p. 273-299.

Miller, R.J., Cooley, E.F., O'Leary, R.M., Garmezy, larry, Csejtey, Bela, Jr., Smith, I.E., and Cleveland, M.N., 

1978, Analysis of geochemical samples from the Talkeetna Mountains quadrangle, Alaska: U.S. Geological 

Survey Open-file Report 78-1052, 279 p.

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Alaska: U.S. Geological Survey Bulletin 327, 71 p.

Ransome, A.L., and Kerns, W.H., 1954, Names and definitions of regions, districts, and subdistricts in Alaska: 

U.S. Bureau of Mines Information Circular 7679, 91 p.

Reed, B.L., 1978, A disseminated tin occurrence near Coal Creek, Talkeetna Mountains D-6 quadrangle, 

Alaska: U.S. Geological Survey Open-File Report 78-77, 8 p.

Richter, D.H., 1963, Geology of the Portage Creek-Susitna River area, Alaska: Alaska Division of Mines and 

Minerals Geologic Report 3, 2 pi., 1:24.000.

Smith, T.E., Bundtzen, T.K., and Trible, T.C., 1975, Stratabound copper-gold occurrence, northern Talkeetna 

Mountains, Alaska: Alaska Division of Geological and Geophysical Surveys Miscellaneous Paper 3, 7 p.

Rose, A.W., 1967, Geology of an area on the upper Talkeetna River, Talkeetna Mountains quadrangle, Alaska: 

Alaska Division of Mines and Minerals Geologic Report 32, 7 p., 1 pi., 1:63,360.

Singer, D.A., Csejtey, Bela, Jr., and Miller, R.J., 1978, Map and discussion of the metalliferous and selected 

nonmetalliferous mineral resources of the Talkeetna Mountains quadrangle, Alaska: U.S. Geological Survey 

Open-file Report 78-588Q, 1 pi. (1:250,000), 33 p.

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Smith, P.S., 1930, Mineral industry of Alaska in 1927: U.S. Geological Survey Bulletin 810, p. 1-64. 

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Smith, P.S., 1933, Mineral industry of Alaska in 1930: U.S. Geological Survey Bulletin 83*S, p. 1-83.

Page 172
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Smith, P.S., 1937, Mineral industry of Alaska in 1935: U.S. Geological Survey Bulletin F80-A, p. 1-95. 

Smith, P.S., 1939, Mineral industry of Alaska in 1937: U.S. Geological Survey Bulletin 910-A, p. 1-113.

Smith, P.S., 1942, Occurrences of molybdenum minerals in Alaska: U.S. Geological Survey Bulletin 926-C, p. 

161-210.

Smith, T.E., Bundtzen, T.K., and Trible, T.C., 1975, Stratabound copper-gold occurrence, northern Talkeetna 

Mountains, Alaska: Alaska Division of Geological and Geophysical Surveys Miscellrneous Paper 3, 7 p.

Swainbank, R.C., Bundtzen, T.K., Clough, A.M., Henning, M.W., and Hansen, E.W., 1994, Alaska's Mineral 

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Page 173