U. S. DEPARTMENT OF THE INTERIOR 

U. S. GEOLOGICAL SURVEY

Drainage from adits and tailings piles in the Coeur d'Alene Mining District, Idaho: 

Sampling, Analytical Methods, and Results

by

Laurie S. Balistrieri 1 , Arthur A. Bookstrom2, 

Stephen E. Box2, and Mohammed Ikramuddin3

Open-File Report 98-127

This report is preliminary and has not been reviewed for conformity with U.S. Geological Survey

editorial standards and stratigraphic nomenclature. Any use of trade names is for descriptive

purposes only and does not imply endorsement by the U.S. Geological Survey.

'U.S. Geological Survey, University of Washington, School of Oceanography, Box 357940, Seattle, WA 98195; 

balistri@ocean.washington.edu

2U.S. Geological Survey, West 904 Riverside Avenue, Room 202, Spokane, WA 99201;

abookstrom @ usgs .go v

sbox@usgs.gov

3Geology Department, Eastern Washington University, Mail Stop 70, Cheney, WA 99004; 

mikramuddin@ewu.edu

1998
TABLE OF CONTENTS

ABSTRACT........................................................................................... 2

INTRODUCTION.................................................................................... 2

STUDY AREA....................................................................................... 3

METHODS............................................................................................ 4

Field methods................................................................................. 4

Laboratory methods......................................................................... 5

RESULTS............................................................................................. 5

QUALITY CONTROL............................................................................... 5

ACKNOWLEDGEMENTS......................................................................... 6

REFERENCES........................................................................................ 6

FIGURE 1: Map of study area...................................................................... 8

TABLE 1: Categorization of deposits by production and locations of sample sites........ 9

TABLE 2: Protocols for field sampling of metals, anions, and alkalinity.................... 10

TABLE 3: Protocols for laboratory methods..................................................... 11

TABLE 4: Limits of detection...................................................................... 12

TABLE 5: Temperature, pH, conductivity, dissolved oxygen, alkalinity, flow, and anion 

concentrations in adit waters and tailings seeps.................................................. 13

TABLE 6: Total acid soluble concentrations of elements in adit waters and tailings seeps 14 

TABLE 7: Dissolved concentrations of elements in adit waters and tailings seeps.......... 16

TABLE 8: Concentrations of trace elements in USGS reference standards................... 18

TABLE 9: Concentrations of major elements in USGS reference standards.................. 19

ABSTRACT

This report contains information about collecting, handling, and analyzing waters 

draining from adits and seeping from beneath tailings piles in the Coeur d'Alene mining district 

during August 1996, November 1996, and June 1997. Data include temperature, pH, 

conductivity, dissolved oxygen, alkalinity, flow, and total acid soluble and dissolved (<0.45 \im) 

major and trace ion concentrations for 11 adits and 5 tailings deposits. Interpretations of these 

data will be discussed in other publications.

INTRODUCTION

Previous studies examining waters draining diverse types of ore deposits indicate a wide 

range in values of pH and concentrations and suites of elements (Ficklin and others, 1992; 

Plumlee and others, 1993, 1995; Kelley and Taylor, 1997). Understanding the key factors that 

influence the geochemistry of waters draining mineralized areas is critical for minimizing 

impacts on water quality during the development of new mines and in the remediation of past 

mining activities. Research in the Colorado Mineral Belt suggests that the primary factors 

influencing pH and compositions of such drainage are the geology and geochemistry of the ore 

deposits and their host rocks, the physical exposure of the deposits to weathering processes, and 

geochemical processes such as oxidation, dissolution, precipitation, and sorption (Plumlee and 

others, 1993).
Researchers from the U.S. Geological Survey are in the process of developing a 

comprehensive geochemical database for waters draining different types of ore deposits. The 

intent is to use this database to predict the effects of mineralized deposits on water quality 

(Plumlee and others, 1993). Our work to characterize the geochemistry of waters draining from 

adits and beneath tailings piles in the Coeur d'Alene mining district is part of that effort. Our 

other motivation is to provide unbiased information about point sources of metals to surface and 

groundwater in the district and to understand the fundamental processes controlling the 

composition of such drainage. This information is necessary for directing on-going and 

prioritizing future remediation activities in the basin.

STUDY AREA

The Coeur d'Alene mining district is located in the north central Bitterroot Range in 

northern Idaho and western Montana (fig. 1). Total production from this area indicates that this 

district ranks as one of the world's largest producers of silver (Ag) and one of the United States' 

major producers of lead (Pb) and zinc (Zn). Information about the geology and genesis of ore 

deposits in the Coeur d'Alene district is found in Fryklund (1964), Hobbs and others (1965), 

Bennett and Venkatakrishnan (1982), Reid (1984), Criss and Fleck (1987, 1990), Leach and 

others (1988), Bennett and others (1989), and Constantopoulos and Larson (1991). Ore deposits 

in this area are steeply dipping Pb-Zn-Ag veins in Precambrian rocks of the Belt Supergroup. 

These host rocks are primarily quartzite and argillite with lesser amounts of interbedded 

carbonate and carbonate bearing rocks. Most mineralization is localized in quartzite to argillite 

transition zones in the middle Pritchard, Pritchard-Burke, and Revett-St. Regis formations.

The principal economic minerals are galena (PbS), sphalerite (ZnS), and silver bearing 

tetrahedrite [(Cu,Fe)i2Sb4Si3] (Fryklund, 1964). Most veins contain small amounts of 

chalcopyrite (CuFeS2) and some veins contain low concentrations of pyrrhotite (Fe(i_x)S), 

magnetite (FesO^, and arsenopyrite (FeAsS). Pyrite (FeS2) is ubiquitous, but variable in 

abundance, in the veins. The most important gangue minerals are quartz (SiO2) and siderite 

(FeCO3).

Mining began in the Coeur d'Alene River basin in the late 1800's. Over ninety mines 

now exist in the district and most are located along the South Fork of the Coeur d'Alene River 

and its major tributaries including Canyon Creek, Ninemile Creek, and Pine Creek (Bennett and 

others, 1989) (fig. 1). The Sunshine, Lucky Friday, Coeur, and Galena mines are the only mines 

currently operating in the district.

Production records indicate that the relative amounts of Pb, Zn, Ag, and Cu vary among 

the deposits in the Coeur d'Alene mining district (Bookstrom and others, 1996). The maps of 

Fryklund (1964) show subtype deposits where veins are either Zn rich, Pb rich, contain about 

equal portions of Zn and Pb, or Cu rich. Although we designed our sampling program to collect 

drainage from different subtype deposits, we realize that categorizing deposits based on 

production records is not completely valid because distinctly different veins were mined at some 

deposits. For example, Bunker Hill mine has Bluebird veins that are predominately an 

assemblage of sphalerite-pyrite-siderite (Zn rich) and Link veins that mainly contain galena, 

argentiferous tetrahedrite, and quartz (Pb-Ag rich), while the Star-Morning mine has veins that 

are Zn rich (Star) and Pb rich (Morning). In addition, the labyrinth of tunnels in the mining 

district makes it difficult to clearly distinguish which mines are draining through a given adit. 

For example, Tamarack #7 adit may drain both the Tamarack-Custer and Standard Mammoth
mines. These mines fall into different subtype deposits according to the Fryklund (1964) 

classification scheme.

Despite the above drawbacks, we use production records to categorize ore deposits in the 

Coeur d'Alene mining district into Zn rich, Pb-Zn rich, Pb rich, and Cu rich deposits. The 

locations of our adit sample sites and the production records and assigned subtype of the 

associated ore deposits are summarized in table 1. Two of the three Cu rich deposits (Crescent 

and Silver Summit) had significant production (~12%) of Ag and occur in an area designated as 

the Silver Belt. The locations of adit sample sites are shown in figure 1.

Early ore separation methods were not very efficient, especially for Zn. Thus, early jig 

tailings were highly enriched in Zn. Later development of more efficient flotation methods 

resulted in tailings with lower metal concentrations. Of the tailings piles whose drainage we 

sampled, one consists of jig tailings only (Success), two have jig tailings covered by flotation 

tailings (Bunker Hill and Interstate-Callahan), and one consists solely of flotation tailings (Rex). 

Most tailings were deposited directly into the Coeur d'Alene River and its tributaries prior to 

installation of settling ponds in the 1960's. Flood events subsequently have re-distributed metal 

enriched tailings throughout the channel of the South Fork and main stem of the Coeur d'Alene 

River and its floodplain. Our sample from the Osburn tailings emanates from a floodplain area 

covered by fluvially deposited jig tailings. The locations of sample sites for drainage from 

beneath tailings piles are indicated in table 1 and figure 1.

METHODS

Field methods: Water draining from adits and beneath tailings piles in the Coeur d'Alene 

mining district was collected during August and November 1996 and June 1997. The August 

and November samples were collected when regional stream flow and flow from adits and 

tailings piles were low. The June samples were obtained after peak runoff when regional stream 

flow and flow from adits and tailings piles were high. Drainage from adits generally was 

sampled within 30 feet of the mine portal. Drainage from tailings piles was sampled within a 

few feet of the seep source and either at the base or just down gradient of the base of the pile.

Strict protocols were followed during sampling and handling of waters to ensure quality 

and comparison of data collected for widely spaced time intervals. Measurements of 

temperature, pH, conductivity, dissolved oxygen, and estimates of flow were made upon arrival 

at each site. Temperature was measured either with a mercury thermometer or a conductivitytemperature probe. Values of pH were determined with an Orion field meter and electrode 

calibrated with standard pH 1.68, 3,4, 6,7, and 10 buffers. Conductivity was determined with 

an Orion field conductivity meter and electrode after calibrating with a conductivity standard 

(0.01 M KC1) at the in-situ temperature of the sample. Oxygen was determined qualitatively 

with a Chemetrics dissolved oxygen kit. Flow was estimated semi-quantitatively using a bucket 

and stopwatch, timing a float for a given distance and measuring the cross section of the stream, 

or inserting a calibrated flume. AIL water sample was then collected after rinsing the bottle 

three times with sample. This sample was stored in the dark except during sub-sampling. The 

bottle was shaken to ensure mixing of the water before taking any aliquots. Aliquots for total 

acid soluble metals were poured from the 1 L bottle into acid cleaned high density polyethylene 

(HDPE) bottles. Aliquots for total acid soluble Hg were poured from the 1 L bottle into 60 mL 

glass bottles. Before dissolved sub-samples were taken, 0.45 jam nylon disposable filters were 

rinsed using 20 mL of sample. Aliquots for dissolved Fe(ET), metals including Hg, anions (F, Cl" 

and SO42"), and alkalinity then were taken from the 1 L bottle using 60 mL syringes and filtered
through rinsed filters into unwashed amber high density polyethylene (HDPE) bottles for Fe(II), 

acid cleaned HDPE bottles for metals, 60 mL glass bottles for Hg, or unwashed HDPE bottles for 

anions and alkalinity. Samples for Fe(II) immediately were preserved with 5 drops of redistilled 

concentrated hydrochloric acid (HC1) per 30 mL of sample. Samples for Hg were preserved by 

adding 6 drops of redistilled concentrated HC1 per 60 mL of sample. Samples for metals were 

preserved by adding 6 drops of redistilled concentrated nitric acid (HNOs) per 60 mL of sample. 

Anion samples were kept cold in an ice chest during transport to the laboratory. Alkalinity was 

determined in the field by Gran titration (Stumm and Morgan, 1996) using 1 mM HC1 

standardized with known concentrations of carbonate solutions. Protocols for sampling metals, 

Hg, anions, and alkalinity are summarized in table 2.

Laboratory methods: Ferrous Fe [Fe(II)] and major and trace ions were determined after 

returning to the laboratory. Ferrous Fe was determined within one week of sampling by 

colorimetry using the Ferrozine method (Stookey, 1976). The limit of detection for Fe(II) by this 

method was 60 (ig/L. Potassium and Na concentrations were determined by flame atomic 

absorption spectrometry (FAAS). Calcium and Mg concentrations were determined by 

inductively coupled plasma - atomic emission spectrometry (ICP-AES). The remaining metal 

and metalloid (Al, As, Ba, Be, Bi, Cd, Ce, Co, Cr, Cs, Cu, Fe, Hg, K, La, Mn, Mo, Ni, Pb, Rb, 

Sb, Sr, Tl, U, and Zn) concentrations were determined by inductively coupled plasma - mass 

spectrometry (ICP-MS). Protocols for laboratory methods are summarized in table 3. Limits of 

detection for the elements done by FAAS, ICP-AES, and ICP-MS are summarized in table 4. 

Ion chromatography was used to determine concentrations of anions. Reference standards from 

USGS (M100, M130, T-135, T-137, and AMW-2) and acid and filtering blanks were analyzed 

with each batch of samples.

RESULTS

The analytical results for waters from adits and tailings piles are summarized in tables 5- 

7. The data for adits are organized by deposit subtype and date of collection. The data from 

tailings seeps follows the adit data. Discussions about the geochemical processes that determine 

the composition of these waters will be presented in other publications.

QUALITY CONTROL

The analytical results for the USGS reference standards (M100, M130, T-135, T-137, and 

AMW-2) are summarized in tables 8 and 9. Agreement between concentrations in reference 

standards and accepted values generally was excellent, except for Fe in T-137 and AMW-2. The 

measured values were lower than the accepted values. The observation for AMW-2 is consistent 

with the reddish brown coating, probably precipitated Fe oxide, on the inside of the AMW-2 

bottle. There is no obvious explanation for the measured low Fe values in T-137.

The analytical results for acid and filtering blanks indicated that all elements were below 

the limits of detection.

Duplicate samples from Interstate-Callahan #4 adit in August 1996 (samples A and B) 

and triplicate samples from Success #3 adit in June 1997 (samples A-C) indicated that variations 

in concentrations are less than 5% for almost all metals (tables 6 and 7). The notable exceptions 

are variations in low concentrations of Cd and Cu in waters from the Interstate-Callahan adit.
ACKNOWLEDGEMENTS

We are grateful to Yvonne Isaak, Kevin Myers, Glen Spinelli, and Jennifer Tonkin for help in 

collecting and processing samples in the field. We thank Douglas Causey for his comments on 

an earlier version of this report.

REFERENCES

Bennett, E.H., and Venkatakrishnan, R., 1982. A palinspastic reconstruction of the Coeur

d'Alene mining district based on ore deposits and structural data: Economic Geology, v. 

77, p. 1851-1866.

Bennett, E.H., Siems, P.L., and Constantopoulos, J.T., 1989. The geology and history of the 

Coeur d'Alene mining district, Idaho, in Chamberlain, V.E., Breckenridge, R.M., and 

Bonnichsen, B., editors, Guidebook to the geology of northern and western Idaho and 

surrounding Area: Idaho Geological Survey Bulletin, no. 28, p. 137-156.

Bookstrom, A.A., Zientek, M.L., Box, S.E., Derkey, P.D., Elliott, I.E., Frishman, D., Ashley, 

R.P., Evarts, R.C., Stoeser, D.B., Moyer, L.A., Cox, D.P., and Ludington, S., 1996. 

Status and metal content of significant metallic mineral deposits in the Pacific Northwest: 

a contribution to the Interior Columbia Basin Ecosystem Management Project: U.S. 

Geological Survey Open-File Report 95-688, 96 p.

Constantopoulos, J., and Larson, P.B., 1991. Oxygen and hydrogen isotope geochemistry of the 

Star-Morning mine, Coeur d'Alene mining district, Idaho: Geology, v. 19, p. 131-134.

Criss, R.E., and Heck, R.J., 1987. Petrogenesis, geochronology, and riydrothermal systems of the 

northern Idaho batholith and adjacent areas based on r8O/16O, D/H, 87Sr/86Sr, K-Ar and 

40Ar/39Ar studies, in Vallier, T.L., and Brooks, H.C., editors, Geology of the Blue 

Mountains Region of Oregon, Idaho, and Washington: The Idaho batholith and its border 

zone: U.S. Geological Survey Professional Paper 1436, p. 95-137.

Criss, R.E., and Heck, R.J., 1990. Oxygen isotope map of the giant metamorphic-hydrothermal 

system around the northern part of the Idaho batholith, U.S. A: Applied Geochemistry, v. 

5,p.l-15.

Ficklin, W.H., Plumlee, G.S., Smith, K.S., and McHugh, J.B., 1992. Geochemical classification 

of mine drainages and natural drainages in mineralized areas, in Kharaka, Y.K., and 

Maest, A.S., editors, 7th International Symposium on Water-Rock Interaction, Park City, 

Utah, 1992 [Proceedings], p. 381-384.

Fryklund, V.C., Jr., 1964. Ore deposits of the Coeur d'Alene district, Shoshone County, Idaho: 

U.S. Geological Survey Professional Paper 445, 103 p.

Hobbs, S.W., Griggs, A.B., Wallace, R.E., and Campbell, A.B., 1965. Geology of the Coeur 

d'Alene district, Shoshone County, Idaho: U.S. Geological Survey Professional Paper 

478, 139 p.

Kelley, K.D., and Taylor, C.D., 1997. Environmental geochemistry of shale-hosted Ag-Pb-Zn 

massive sulfide deposits in northwest Alaska: natural background concentrations of 

metals in water from mineralized areas: Applied Geochemistry, v. 12, p. 397-409.

Leach, D.L., Landis, G.P., and Hofstra, A.H., 1988. Metamorphic origin of the Coeur d'Alene 

base- and precious-metal veins in the Belt basin, Idaho and Montana: Geology, v. 16, p. 

122-125.

Plumlee, G.S., Smith, K.S., Ficklin, W.H., Briggs, P.H., and McHugh, J.B., 1993, Empirical 

studies of diverse mine drainages in Colorado: Implications for the prediction of mine-
drainage chemistry: Montana State University Reclamation Research Unit Publication,

no. 9301, v.l, p. 176-186. 

Plumlee, G.S., Smith, K.S., Mosier, E.L., Ficklin, W.H., Montour, M., Briggs, P.H., and Meier

A., 1995. Geochemical processes controlling acid-drainage generation and cyanide

degradation at Summitville, in Posey, H.H., Pendleton, J.A., and Van Zyl, D., editors,

Proceedings: Summitville Forum '95: Colorado Geological Survey Special Publication,

no. 38, p. 23-34. 

Reid, R.R., 1984. Structural controls of the Coeur d'Alene ore deposits, in Hobbs, S.W., editor,

The Belt: Montana Bureau of Mines and Geology Special Publication, no. 90, p. 49-51. 

Stookey, L.L., 1976. Ferrozine - a new spectrophotometric reagent for iron: Analytical

Chemistry, v. 41, p. 779-782. 

Stumrn, W., and Morgan J.J., 1996. Aquatic Chemistry (3rd ed.): New York, N.Y., John Wiley &

Sons, Inc., 1022 p.
W116°10' W116°00' W115°50' 

N47°30'

00

8 

Mulla

0

Figure 1. Maps indicating the location of the

Coeurd'Alene mining district and locations

of our sample sites.

ADITS ( )

1. Success #3

2. Interstate-Callahan #4

3. Morning #5

4. Rex #2

5. Gem #3

6. Tamarack #7

7. Kellogg Tunnel

8. Hercules #5

9. Hooper Tunnel

10. Silver Dollar

11. Snowstorm #3
Table 1. Categorization of ore deposits and locations of sample sites in the Coeur d'Alene mining district, n.m. = not me

production production production production deposit subtype

Ore Deposit

Success

Interstate-Call ahan

Star-Morning

Rex

Helena-Frisco

Tamarack-Custer

Bunker Hill

Hercules

Crescent

Silver Summit

Snowstorm

% Zn

77

76

49

47

45

31

31

1

5

1

0

%Pb

23

24

51

53

55

68

69

98

25

1

0

%Ag

0

0

0.1

0.1

0.1

0.1

0.1

0.3

13

12

0.5

%Cu

0

0

0.1

0.2

0.2

0.4

0.3

0.5

57

86

99

from production

Znrich

Znrich

Pb-Zn rich

Pb-Zn rich

Pb-Zn rich

Pbrich

Pbrich

Pb rich

Cu rich

Cu rich

Curich

stratigraphy

Pritchard-Burke

middle Pritchard

Revett-St. Regis

middle Pritchard

Pritchard-Burke

Pritchard-Burke

Reyett-St. Regis

Pritchard-Burke

Revett-St. Regis

Revett-St. Regis

Revett-St. Regis

Adits

Success #3

Interstate-Callahan #4

Morning #5

Rex #2

Gem #3

Tamarack #7

Kellogg Tunnel

Hercules #5

Hooper Tunnel

Silver Dollar

Snowstorm #3

Tailings piles

Success - upper seep

Success - lower seep

Interstate-Callahan seep

Rex seep

Bunker Hill - upper seep

Bunker Hill - lower seep

Osburn Flats seep

Latitud

North

47° 31' 37

47° 32' 46

47° 29' 35

47° 32' 10

47° 30' 3 1

47° 31' 07

n.m.

47° 31' 25

47° 30' 18

47° 30' 4 1

47° 28' 53

Latitud

North

47° 31 '29.

47° 31' 28

47° 32' 16

47° 32' 01

47° 32' 55

47° 32' 55

47° 30' 36

Production records from Bookstrom and others (1996) 

Adit names from Hobbs and others (1965)
Table 2. Protocols for sampling metals, Hg, anions, and alkalinity.

Constituent

Total 1 metals 

Total Hg

Dissolved Fe(H) 

Dissolved metals

Dissolved Hg 

Dissolved anions

Alkalinity

Container

60 mLHDPE2 bottle 

60 mL glass bottle

30 mL amber HDPE bottle 

60 mLHDPE bottle

60 mL glass bottle 

30 mLHDPE bottle

30 mL HDPE bottle

Filter

none 

none

0.45 

0.45

0.45 

0.45

0.45

[Lm Nylon 

[Lm Nylon

[im Nylon 

[Lm Nylon

[Lm Nylon

Preservation

6 drops concentrated H

6 drops concentrated H

5 drops concentrated H

6 drops concentrated H

6 drops concentrated H

refrigerate

refrigerate

Total acid soluble; pH < 2 

2 High Density Polyethylene
Table 3. Protocols for laboratory methods.

Constituent Method

Fe(II) Colorimetry-Ferrozine method (Stookey, 1976)

Na, K Flame Atomic Absorption Spectrometry (FAAS)

Ca, Mg Inductively Coupled Plasma-Atomic Emission Spectrometry (ICP-AES)

Metals 1 Inductively Coupled Plasma-Mass Spectrometry (ICP-MS)

Alkalinity Titration with 1 mM HC1 and Gran Plot (Stumm and Morgan, 1996)

Anions2________Ion Chromatography_________________________________

1 Al, As, Ba, Be, Bi, Cd, Ce, Co, Cr, Cs, Cu, Fe, Hg, K, La, Mn, Mo, Ni, Pb, Rb, Sb, Sr, Tl, U, and Zn

2 Cl, F, SO4
Table 4. Limits of Detection (LOD) for elements analyzed by 

flame atomic absorption (K, Na), inductively coupled plasma-atomic emission 

spectrometry (Ca, Mg) and inductively coupled plasma-mass spectrometry 

(remaining elements). LOD = 3 times the standard deviation of 10 blank readings.

Symbol

Ag

Al

As

Ba

Be

Bi

Ca

Cd

Ce

Co

Cr

Cs

Cu

Fe

Hg

K

La

Mg

Mn

Mo

Na

Ni

Pb

Rb

Sb

Sr

Tl

U

Zn

Element

Silver

Aluminum

Arsenic

Barium

Beryllium

Bismuth

Calcium

Cadmium

Cerium

Cobalt

Chromium

Cesium

Copper

Iron

Mercury

Potassium

Lanthanum

Magnesium

Manganese

Molybdenum

Sodium

Nickel

Lead

Rubidium

Antimony

Strontium

Thallium

Uranium

Zinc

LOD

0.01

0.03

0.1

0.01

0.1

0.005

0.01

0.01

0.005

0.01

0.05

0.005

0.02

10

0.05

0.005

0.005

0.01

0.01

0.02

0.001

0.05

0.01

0.01

0.01

0.005

0.002

0.001

0.05

Units

ug L

U9 L

ug L'1

UgL1

ugL'1

ug L'1

mg L"1

UgL1

U9 L

U9 L

U9 L

U9 L

U9 L

U9 L

U9 L

mgL'1

ug L"1

mgL1

ug L'1

ug L'1

mgL1

ug L

ugL'1

ug L

ugL'1

ug L

ug L

ug L

ngL1

12
Table 5. Temperature (Temp.), pH, conductivity (Cond.), dissolved oxygen (O2), alkalinity (Alk.), flow, and dissolved (<0.45 urn) 

concentrations of anions (Cl, F, SO4) in waters draining adits and tailings piles in the Coeur d'Alene mining district. Flow 

measurements are very qualitative, n.m. = not measured.

Site Name

Adits

Zn rich deposits

Success #3 (8/96)

Success #3 (A) (6/97)

Success #3 (B) (6/97)

Success #3 (C) (6/97)

Interstate-Callahan #4 (A) (8/96)

Interstate-Callahan #4 (B) (8/96)

Interstate-Callahan #4 (6/97)

Pb-Zn rich deposits

Morning #5 (8/96)

Morning #5 (6/97)

Rex #2 (8/96)

Rex #2 (6/97)

Gem #3 (8/96)

Gem #3 (6/97)

Pb rich deposits

Tamarack #7 (8/96)

Tamarack #7 (6/97)

Kellogg Tunnel (6/97)

Hercules #5 (8/96)

Hercules #5 (6/97)

Cu rich deposits

Hooper Tunnel (8/96)

Hooper Tunnel (6/97)

Silver Dollar (8/96)

Silver Dollar (6/97)

Snowstorm #3 (6/97)

Tailings piles

Success - upper seep (1 1/96)

Success - upper seep (6/97)

Success - lower seep (11/96)

Success - lower seep (6/97)

Interstate-Callahan seep (1 1/96)

Interstate-Callahan seep (6/97)

Rex seep (11/96)

Rex seep (6/97)

Bunker Hill - upper seep (1 1/96)

Bunker Hill - lower seep (1 1/96)

Osburn Flats seep (6/97)

Temp.

°C

6

4.6

4.6

4.7

8

8

5.8

11

9.5

7

5.3

17

10.6

13

10.6

14.9

13

10.4

13

10.5

18

14.3

5.5

3

5.8

5

6.1

5

6.5

7

5.5

5

8

7.7

PH

6.89

7.31

7.33

7.39

7.38

7.28

7.5

7.03

7.57

7.1

7.29

6.98

7.1

7.51

7.5

2.72

7.75

7.58

6.64

7.15

7.63

7.72

6.97

4.85

7.13

6.11

6.29

4.8

4.6

6.17

6.66

5.69

6.05

6.62

Cond.

\iS cm"1

578

542

538

535

204

204

158

381

363

150

119

376

375

205

216

4140

221

220

501

377

370

374

26

157

56

184

120

679

674

368

450

783

639

201

02

mgL"1

7

7

4.5

6.5

7

5.5

2

7

6.5

6

6

8

7

8

5.5

>2.5

6

5.5

6

6

7

5.5

4

6

6

4

7

>2.5

7

7

9

3.5

5

1.5

Alk.

meq L"1

1.86

1.55

1.4

1.5

1.63

1.74

1.3

1.67

1.18

0.69

0.5

2.32

2.1

1.81

1.59

0

2.45

1.58

1.32

0.89

3.62

3.68

0.3

0.1

0.33

0.24

0.23

0.1

0.09

0.65

0.84

0.53

0.73

1.04

Flow

L min"1

15 to 20

60

60

60

80 to 120

120

230

110

150

12 to 20

30

n.m.

1700

n.m.

3400

1700 to 3400*

4400

5100

60.

140

15 to 25

40

20400

17

5

3

75

2 to 5

12

38

95

110 to 190

2900

100

Cl

mgL"1

0.9

0.5

0.5

0.5

0.4

0.4

0.3

0.7

0.3

0.4

0.3

1

0.7

0.4

0.3

4.8

0.4

0.3

0.5

0.4

0.9

0.6

0.1

1

0.3

0.4

0.3

0.5

0.7

0.5

0.4

2

2

1.8

F

mgL"1

n.m.

0.6

0.7

0.6

n.m.

n.m.

0.1

n.m.

0.2

n.m.

0.5

n.m.

0.2

n.m.

0.1

1.7

n.m.

0.1

n.m.

0.2

n.m.

0.2

<0.08

0.2

0.6

0.2

0.5

0.4

0.2

0.2

0.2

1

1

0.1

SO4

mgL"1

240

230

230

240

27

27

20

130

140

42

32

92

99

22

39

4200

25

39

210

170

39

35

4.3

68

15

85

49

490

410

170

190

440

330

56

"measured during sample collection. Average flow during 6/97 was 5300 L min"1 based on continuous monitoring 

by other workers (Earl Liverman, ERA, oral communication).

13
Table 6. Total acid soluble concentrations of elements in waters draining adits and tailings piles in the Coeur d'Alene mining district, n.m. = not me

* indicates data not reproducible.

Site Name

Adits

Zn rich deposits

Success #3 (8/96)

Success #3 (A) (6/97)

Success #3 (B) (6/97)

Success #3 (C) (6/97)

Interstate-Callahan #4 (A) (8/96)

Interstate-Callahan #4 (B) (8/96)

Interstate-Callahan #4 (6/97)

Pb-Zn rich deposits

Morning #5 (8/96)

Morning #5 (6/97)

Rex #2 (8/96)

Rex #2 (6/97)

Gem #3 (8/96)

Gem #3 (6/97)

Pb rich deposits

Tamarack #7 (8/96)

Tamarack #7 (6/97)

Kellogg Tunnel (6/97)

Hercules #5 (8/96)

Hercules #5 (6/97)

Cu rich deposits

Hooper Tunnel (8/96)

Hooper Tunnel (6/97)

Silver Dollar (8/96)

Silver Dollar (6/97)

Snowstorm #3 (6/97)

Tailings piles

Success - upper seep (1 1/96)

Success - upper seep (6/97)

Success - lower seep (1 1/96)

Success - lower seep (6/97)

Interstate-Callahan seep (11/96)

Interstate-Callahan seep (6/97)

Rex seep (11/96)

Rex seep (6/97)

Bunker Hill - upper seep (1 1/96)

Bunker Hill - lower seep (1 1/96)

Osburn Flats seep (6/97)

Ag

ugL'1

0.05

0.01

0.01

0.01

0.12

0.11

<0.01

0.06

<0.01

0.11

<0.01

0.19

0.01

1.4

<0.01

0.21

0.07

0.04

0.16

0.38

0.07

0.01

0.02

0.07

0.01

0.06

0.01

0.13

0.03

0.07

0.01

0.05

0.02

<0.01

Al

ugL"1

13

25

25

25

5.4

3.8"

21

0.25

0.4

27

26

9.8

19

450"

1.1

19500

6.1

435

23

375

3.9"

14

1.5

1280

21

64

118

670

960

23

1.8

190

203

0.6

As

ugL"1

0.4

1.1

1

1.1

<0.1

<0.1

0.47

<0.1

0.43

0.9

2.7

3.2

4.1

0.8

1.5

1140

0.5

1.5

0.5

2.1

12

6.8

1.1

0.31

0.28

0.49

0.44

2.1

2.1 .

0.87

3.6

1.5

0.61

0.45

Ba

ugL'1

20

17

17

17

49

49

58

1.1

8.9

14

17

31

29

42

28

13

23

21

16

14

122

123

19

24

17

62

42

12

18

50

33

23

27

32

Be

ugL'1

<0.1

0.1

0.1

0.1

<0.1

<0.1

<0.1

<0.1

<0.1

<0.1

<0.1

<0. 1

<0. 1

<0.1

<0.1

2.3

<0.1

<0.1

<0.1

0.7

0.4

<0.1

<0.1

0.2

<0.1

0.1

<0.1

<0.1

0.7

<0.1

<0. 1

<0. 1

<0.1

<0.1

Bi

ugL1

0.01

0.01

0.01

0.01

0.01

0.01

<0.01

0.01

<0.01

0.01

<0.01

0.01

0.01

0.01

<0.01

0.02

0.01

<0.01

<0.01

0.01

0.01

<0.01

<0.01

n.m.

<0.01

n.m.

<0.01

n.m.

0.01

n.m.

<0.01

n.m.

n.m.

<0.01

Ca

mgL' 1

93

85

85

86

35

34

27

51

38

21

15

55

58

34

37

190

38

35

57

40

36

40

3.7

14

5

18

11

46

39

54

60

101

90

27

Cd

ugL"1

285

358

360

360

0.16

0.14

0.17

0.59

45

5.8

11

11

17

4.2

16

1585

0.99

32

0.93

1.4

0.03

0.02

0.05

120

26

143

81

670

682

36

9.2

33

33

39

Ce

ugL'1

0.21

0.58

0.57

0.58

0.03

0.03

0.04

<0.01

<0.1

0.2

0.32

0.31

0.03

0.54

0.02

18

0.04

0.7

0.92

2.5

0.02

0.02

0.02

3.1

0.15

0.79

0.72

13

9.5

0.39

1.4

1.2

0.58

0.02

Co

ugL'1

8.4

12

12

12

0.04

0.02

0.05

0.03

7.3

0.21

0.53

11

12

0.34

0.64

612

0.11

5.8

43

62

0.13

0.27

0.2

2.9

0.29

2.7

1.7

45

25

1.7

13

18

5.1

0.03

Cr

ugL'1

<0.05

1.4

1.4

1.4

<0.05

<0.05

1.2

<0.05

1.1

0.19

1.1

<0.05

1.4

0.07

1.3

7.6

<0.05

0.86

<0.05

1.3

2.3

4.4

0.3

0.12

0.23

<0.05

0.17

0.22

0.24

0.41

1.1

0.61

0.28

1.3

C

ugL

0.

0.4

0.

0.

0.

0.

0.

1

0.

0.2

0.

0.

0.3

0.3

0.8

0.

0.3

0.8

0.6

1

1

0.

0

0.

0.

0.

0.

0.

0.

0

0.1

0.

0.0
Table 6. (Continued) Total acid soluble concentrations of elements in waters draining adits and tailings piles in the Coeur d'Alene mining district.

Site Name

Adits

Zn rich deposits

Success #3 (8/96)

Success #3 (A) (6/97)

Success #3 (B) (6/97)

Success #3 (C) (6/97) .

Interstate-Callahan #4 (A) (8/96)

Interstate-Callahan #4 (B) (8/96)

Interstate-Callahan #4 (6/97)

Pb-Zn rich deposits

Morning #5 (8/96)

Morning #5 (6/97)

Rex #2 (8/96)

Rex #2 (6/97)

Gem #3 (8/96)

Gem #3 (6/97)

Pb rich deposits

Tamarack #7 (8/96)

Tamarack #7 (6/97)

Kellogg Tunnel (6/97)

Hercules #5 (8/96)

Hercules #5 (6/97)

Cu rich deposits

Hooper Tunnel (8/96)

Hooper Tunnel (6/97)

Silver Dollar (8/96)

Silver Dollar (6/97)

Snowstorm #3 (6/97)

Tailings piles

Success - upper seep (1 1/96)

Success - upper seep (6/97)

Success - lower seep (1 1/96)

Success - lower seep (6/97)

Interstate-Callahan seep (1 1/96)

Interstate-Callahan seep (6/97)

Rex seep (11/96)

Rex seep (6/97)

Bunker Hill - upper seep (1 1/96)

Bunker Hill - lower seep (1 1/96)

Osburn Flats seep (6/97)

Hg

ugL'1

<0.05

<0.05

<0.05

<0.05

<0.05

<0.05

<0.05

<0.05

<0.05

<0.05

<0.05

<0.05

<0.05

<0.05

<0.05

<0.05

<0.05

<0.05

<0.05

<0.05

<0.05

<0.05

<0.05

<0.05

<0.05

<0.05

<0.05

<0.05

<0.05

<0.05

<0.05

<0.05

<0.05

<0.05

K

mgL'1

1.2

1.3

1.3

1.2

0.71

0.71

0.65

0.72

0.81

0.91

0.91

2

1.9

0.83

1.1

4.5

0.99

1

0.78

0.74

0.95

0.88

0.52

0.78

0.71

1

0.92

2.6

2.7

5.7

12

4.3

4.3

1.5

La

ugL'1

0.11

0.36

0.36

0.36

0.01

0.01

0.02

<0.01

<0.01

0.12

0.21

0.15

0.02

0.19

0.02

4.9

0.02

0.31

0.51

1.2

0.01

0.01

0.01

2.1

0.1

1.3

0.7

14

12

0.95

0.85

0.88

0.39

0.01

Mg

mgL1

5.8

5

5

4.9

6.1

6.2

5.1

24

26

4.2

3.2

9.9

9.7

7.7

7.3

235

8.5

7.5

34

24

36

35

0.55

1.9

 0.69

2.5

1.5

7

5.7

7.3

8.6

38

. 38

7.8

Mn

ugL'1

2310

2325

2340

2330

11

10

20

74

8010

16

31

6500

5950

266

370

211000

80

2570

14200

13600

4.7

28

22

257

14

129

132

9500

9520

720

5100

14800

5730

6

Mo

ugL'1

1.1

0.86

0.88

0.86

1.2

1.2

0.79

0.29

0.45

1.5

0.79

0.59

0.56

3.3

0.92

0.21

1.5

0.85

1

0.45

13

8.9

0.1

0.12

0.11

0.08

0.06

0.26

0.03

0.27

0.37

0.38

0.36

0.04

Na

mgL-1

6.3

4.9

4.9

4.9

2.9

3

2.4

0.59

0.53

4.7

3.5

3.2

2.7

1.9

1.3

1.8

2.6

1.8

1

0.84

1.1

0.92

0.66

2.5

2.6

3.5

2.8

2.7

2.2

3.5

2.9

6.9

6.9

2.9

Ni

ugL"1

18

20

20

20

0.22

0.23

0.48

2.9

20

1.1

1.8

13

15

0.97

3.9

492

0.65

9

69

74

1.8

2

0.17

6.3

1.2

6.8

4.2

116

112

20

34

24

16

2.2

Pb

ugL'1

5.8

58

57

59

0.18

0.17

0.61

0.67

4.1

54

231

23

21

15

10

950

8.7

527

5.3

39

0.42

0.28

0.4

220

117

932

525

235

405

49

98

135

112

2.3

Rb

ugL"1

4.4

3.9

3.9

3.9

1.4

1.4

1.2

2.1

2.4

1.7

1.3

4.5

3.8

1.9

2.2

8.6

1.9

2.3

2.4

1.7

4

3.4

1.3

1.1

0.42

0.51

0.47

3.3

3.7

6.4

12

4.6

4.9

0.83

Sb

ugL'1

0.26

0.21

0.21

0.21

0.27

0.27

0.57

0.09

0.17

0.17

0.17

0.71

0.28

1.1

1

2.8

1.5

1.3

5.3

3.1

11

10

4

0.28

0.17

0.1

0.15

0.03

0.11

0.23

0.98

0.05

1.1

0.32

S

ugL

81

56

56

57

185

193

147

16

10

17

11

27

24

23

18

9

26

20

4

3

9

8

1

32

5

25

11

68

40

271

253

42

33

7
Table 7. Dissolved (<0.45 \im) concentrations of elements in waters draining adits and tailings piles in the Coeur d'Alene mining district, n.m. 3 not 

Site Name 

Adits

Zn rich deposits

Success #3 (8/96)

Success #3 (A) (6/97)

Success #3 (B) (6/97)

Success #3 (C) (6/97)

Interstate-Callahan #4 (A) (8/96)

Interstate-Callahan #4 (B) (8/96)

Interstate-Callahan #4 (6/97)

Pb-Zn rich deposits

Morning #5 (8/96)

Morning #5 (6/97)

Rex #2 (8/96)

Rex #2 (6/97)

Gem #3 (8/96)

Gem #3 (6/97)

Pb rich deposits

Tamarack #7 (8/96)

Tamarack #7 (6/97)

Kellogg Tunnel (6/97)

Hercules #5 (8/96)

Hercules #5 (6/97)

Cu rich deposits

Hooper Tunnel (8/96)

Hooper Tunnel (6/97)

Silver Dollar (8/96)

Silver Dollar (6/97)

Snowstorm #3 (6/97)

Tailings piles

Success - upper seep (1 1/96)

Success - upper seep (6/97)

Success - lower seep (1 1/96)

Success - lower seep (6/97)

Interstate-Callahan seep (1 1/96)

Interstate-Callahan seep (6/97)

Rex seep (1 1/96)

Rex seep (6/97)

Bunker Hill - upper seep (1 1/96)

Bunker Hill - lower seep (1 1/96)

Osbum Flats seep (6/97)

Ag ML'1

0.07

0.01

0.01

0.01

0.07

0.08

<0.01

0.08

<0.01

0.06

<0.01

0.12

0.01

0.07

<0.01

0.21

0.08

0.04

0.42

0.38

0.04

0.01

0.02

0.04

0.01

0.05

0.01

0.05

0.03

0.04

0.01

0.05

0.02

<0.01

Al

ugL'1

4.2

5.2

5.2

5.3

0.16

0.15

0.4

<0.1

0.1

6.5

3.9

<0.1

0.3

5.1

0.3

19400

2.8

29

7.8

44

1.3

0.6

0.2

160

6.4

38

24

665

910

2.5

0.2

183

188

0.1

As

<0.1

1.1

1.1

1.1

<0. 1

<0.1

0.46

<0.1

0.36

0.7

2.6

1.7

2.3

0.5

0.79

715

<0.1

0.56

0.1

1.1

10

5.8

1

0.37

0.27

0.38

0.44

2.1

2.1

0.62

2.1

1.5

0.55

0.43

Ba

20

17

17

17

47

48

56

1.1

8.8

13

17

31

28

38

28

12

22

21

16

14

121

122

20

23

17

60

43

12

18

49

33

23

27

31

Be Bi 

ug L'1 ug L'1

<0.1 <0.01

0.1 n.m.

0.1 n.m.

0.1 n.m.

<0.1 <0.01

<0.1 0.01

<0.1 n.m.

<0.1 0.01

<0.1 n.m.

<0.1 0.01

<0.1 n.m.

<0.1 0.01

<0.1 n.m.

<0.1 0.01

<0.1 n.m.

2.4 n.m.

<0.1 0.01

<0.1 n.m.

<0.1 <0.01

0.6 n.m.

0.4 0.01

<0.1 n.m.

<0.1 n.m.

0.2 0.01

<0.1 n.m.

0.1 0.01

<0.1 n.m.

<0.1 0.01

0.7 n.m.

<0.1 0.01

<0.1 n.m.

<0.1 0.02

<0.1 0.01

<0.1 n.m.

Ca 

mgL'1

93

85

84

85

34

34

27

50

37

21

15

55

58

33

37

184

38

35

57

39

36

40

3.6

14

5

18

11

46

39

53

60

99

89

27

Cd

280

355

356

360

0.21

0.06

0.04

0.58

45

5.5

11

9.6

17

2

9.2

1570

0.65

32

0.91

1.3

0.02

0.02

0.04

117

26

140

82

650

680

36

8.8

33

32

38

Ce

ugL'1

0.16

0.45

0.45

0.44

<0.01

<0.01

0.02

<0.01

<0.01

0.08

0.09

<0.01

<0.01

<0.01

0.01

17

<0.01

0.08

0.88

2.41

<0.01

0.02

0.02

2.8

0.05

0.78

0.71

13

9.2

0.14

0.32

1.1

0.53

0.01

Co

ugL'1

8.5

12

12

12

0.03

0.02

0.03

0.06

7.2

0.19

0.49

11

11

0.22

0.58

610

0.07

5.6

43

62

0.11

0.22

0.19

2.8

0.27

2.6

1.7

44

24

1.6

13

1.8

5

0.03

Cr

<0.05

1.3

1.3

1.3

<0.05

<0.05

1.1

<0.05

0.98

0.13

1

<0.05

1.3

<0.05

1.3

6.7

<0.05

0.84

<0.05

1

1.9

3.8

0.31

0.09

0.21

<0.05

0.16

0.13

0.23

0.32

0.96

0.49

0.29

1.1

C

ugL

0.7

0.4

0.4

0.4

0.3

0.2

0.1

1

1

0.3

0.2

0.7

0.3

0.2

0.3

0.8

0.1

0.3

0.0

0.6

1

1

0.0

0.1

0.0

0.0

0.0

0.0

0.0

0.1

0

0

0.1

0.0
Table 7. (Continued) Dissolved (<0.45 urn) concentrations of elements in waters draining adits and tailings piles in the Coeur d'Alene mining district

Site Name

Adits

Zn rich deposits

Success #3 (8/96)

Success #3 (A) (6/97)

Success #3 (B) (6/97)

Success #3 (C) (6/97)

Interstate-Callahan #4 (A) (8/96)

Interstate-Callahan #4 (B) (8/96)

Interstate-Callahan #4 (6/97)

Pb-Zn rich deposits

Morning #5 (8/96)

Morning #5 (6/97)

Rex #2 (8/96)

Rex #2 (6/97)

Gem #3 (8/96)

Gem #3 (6/97)

Pb rich deposits

Tamarack #7 (8/96)

Tamarack #7 (6/97)

Kellogg Tunnel (6/97)

Hercules #5 (8/96) . Hercules #5 (6/97)

Cu rich deposits

Hooper Tunnel (8/96)

Hooper Tunnel (6/97)

Silver Dollar (8/96)

Silver Dollar (6/97)

Snowstorm #3 (6/97)

Tailings piles

Success - upper seep (1 1/96)

Success - upper seep (6/97)

Success - lower seep (1 1/96)

Success - lower seep (6/97)

Interstate-Callahan seep (11/96)

Interstate-Callahan seep (6/97)

Rex seep (11/96)

Rex seep (6/97)

Bunker Hill - upper seep (1 1/96)

Bunker Hill - lower seep (1 1/96)

Osburn Flats seep (6/97)

Hg MgL"1

<0.05

<0.05

<0.05

<0.05

<0.05

<0.05

<0.05

<0.05

<0.05

<0.05

<0.05

<0.05

<0.05

<0.05

<0.05

<0.05

<0.05

<0.05

<0.05

<0.05

<0.05

<0.05

<0.05

<0.05

<0.05

<0.05

<0.05

<0.05

<0.05

<0.05

<0.05

<0.05

<0.05

<0.05

K

mgL1

1.2

1.3

1.3

1.2

0.71

0.7

0.63

0.73

0.78

0.91

0.87

2

1.9

0.82

1.1

4.5

0.98

1

0.78

0.75

0.93

0.87

0.53

0.79

0.69

1

0.92

2.6

2.7

5.8

12

4.4

4.3

1.5

La

MgL"1

0.09

0.31

0.31

0.31

<0.01

<0.01

0.01

<0.01

<0.01

0.06

0.07

<0.01

<0.01

<0.01

0.01

4.8

<0.01

0.06

0.49

1.2

<0.01

0.01

0.01

1.9

0.04

1.3

0.68

14

11

0.58

0.27

0.85

0.37

0.01

Mg

mgL1

5.8

4.9

5

4.9

6.1

6.1

5

23

25

4.2

3.1

9.9

9.7

7.8

7.2

236

8.6

7.3

33

23

35

34

0.55

1.9

0.69

2.5

1.5

7

5.6

7.4

8.6

37

28

7.7

Mn MgL'1

2260

2325

2330

2330

8.2

7.2

18

65

7930

15

28

6360

5950

245

362

206300

49

2480

13900

13500

4.5

27

22

241

14

123

133

9350

9425

708

5060

14700

5710

5.8

Mo MgL'1

1.1

0.88

0.88

0.87

1.2

1.2

0.77

0.27

0.46

1.5

0.8

0.58

0.58

3.4

0.96

0.19

1.4

0.87

1

0.45

13

9

0.08

0.12

0.11

0.08

0.07

0.27

0.03

0.23

0.29

0.38

0.37

0.04

Na

mgL1

6.2

4.9

4.9

4.8

2.9

3

2.4

0.58

0.54

4.7

3.5

3.1

2.7

1.9

1.3

1.8

2.6

1.8

1

0.84

1.1

0.91

0.65

2.5

2.6

3.5

2.8

2.7

2.2

3.6

2.9

6.9

6.8

2.9

Ni MgL'1

18

20

20

20

0.22

0.23

0.46

2.9

20

1.1

1.7

12

13

0.94

3.6

470

0.57

8.7

70

72

1.1

1.8

0.12

6.1

1.1

6.6

4.2

115

112

20

34

24

15

2.2

Pb MgL'1

2.8

44

45

44

0.02

0.03

0.05

0.41

0.06

42

197

0.12

0.07

0.06

0.21

825

0.54

223

3.8

27

0.45

0.05

0.2

215

112

930

515

225

386

5.3

0.72

123

35

1.8

Rb MgL"1

4.3

3.9

3.9

3.9

1.3

1.4

1.1

2.1

2.4

1.7

1.2

4.4

3.9

1.6

2.3

8.5

1.8

2.3

2.3

1.7

3.9

3.4

1.3

1.1

0.41

0.51

0.47

3.3

3.6

6.5

12

4.6

4.8

0.84

Sb

MgL"1

0.28

0.22

0.22

0.21

0.26

0.27

0.54

0.09

0.18

0.18

0.15

0.18

0.22

1.1

1

1.2

1.4

1.2

5.3

2.9

10

10

3.9

0.28

0.16

0.09

0.16

0.03

0.06

0.15

0.13

0.05

1.2

0.33

S

MgL

80

57

56

56

178

195

147

16

10

16

11

27

23

23

18

9

25

20

4

3

9

8

1

32

5

25

11

67

40

275

251

42

33

7
Table 8. Comparison of observed concentrations for trace ions in USGS reference standards during Coeur d'Alene sample analyses with published most p

standard deviations (STD), and numbers of measurements (N). Dotted line indicates no reported values for observed or published analysis. There were no 

CO

Element Units 

<

Ag \ig L"1 

Al jig L'1 

As jig L"1 

Ba jig L"1 

Be jig L"1 

Bi jig L'1 

Ca mg L"1 

Cd \ig L1 

Ce jig L'1 

Cl mg L1 

Co jig L'1 

Cr jig L1 

Cs jig L1 

Cu \ig L1 

F mg L1 

Fe jig L'1 

K mg L'1 

La jig L'1 

Mg mg L"1 

Mn jig L1 

Mo jig L'1 

Na mg L"1 

Ni jig L1 

Pb jig L1 

Rb jig L1 

. Sb jigL1 

S04 mg L°

Sr jig L1 

Tl jigf1

u jigf1

Zn jig L:1

8/96 11/96 

T-135 T-135

observed observed ob

8.65 

10.4 

66.3 

56.7 

0.03 

10.2 

50.4 

0.03

38.5 

77.5 

0.01 

59.3

218 

0.95 

0.02 

1.73 

403 

66.3 

31.2 

62.3 

115 

0.65 

85.3

50.1 

0.25 

0.26 

47.8

9.25 

10.2 

66.8 

57.3 

0.03 

10.3 

50.3 

0.03

39.1 

77.8 

0.01 

60.5

225 

0.97 

0.02 

1.87 

410 

65.1 

30.9 

63.4 

110 

0.65 

85.4

50.2 

0.25 

0.26 

47.7

6/97 

T-135

 served

9.33 

9.62 

9.8 

65.7 

56.3 

0.04 

10.4 

51.1 

0.02

38.8 

76.3 

0.01 

60.6

223 

0.98 

0.02 

1.93 

415 

64.3 

30.4 

61.8 

107 

0.64 

81.2

49.8 

0.24 

0.26 

47.5

T-135

MPV

9.81 

10.5 

10 

67.8 

59

10.4 

50.5

40 

79

62

228 

0.96

2 

423 

63 

30.8 

65.6 

103

76.3

46

48.2

T-135

STD

1.05 

6.8 

1.1 

4.3 

2.6

0.6 

3.2

2.6 

5.5

4.2

11 

0.09

0.09 

20 

5.1 

1.2 

5 

7

8.7

2.3

4.7

T-135 

N

71 

51 

75 

71 

28

93 

87

62 

85

93

95 

82

92 

93 

58 

90 

80 

87

52

47

88

8/96 11/96 

T-137 T-137

observed observed ob

30.2

62.7 

4.83 

0.04 

38.9 

6.51 

0.05

0.19 

17.6 

0.02 

1.55

35 

1.14 

0.03 

9.65 

92.1 

9.75 

21.3 

14.2 

6.32 

0.86 

17.6

235 

165 

10.7 

45.6

30.1

63.5 

4.96 

0.04 

38.7 

6.83 

0.05

0.2 

16.1 

0.02 

1.73

40 

1.17 

0.03 

9.85 

68.8 

9.62 

21.7 

14.6 

6.28 

0.84 

17.1

235 

166 

10.5 

46.3

6/97 

T-137

 served

0.34 

30.9 

0.56 

64.1 

4.92 

0.04 

39.3 

6.72 

0.05

0.21 

17.8 

0.02 

1.71

50 

1.16 

0.03 

9.96 

91.6 

9.25 

21.7 

14.5 

6.25 

0.83 

16.7

240 

163 

10.5 

46.4

T-137

MPV

0.3 

30.5 

0.8 

65 

5.2

38.1 

6.8

0.4 

19.4

1.9

71 

1.19

10.1 

98 

8.9 

22 

15 

6.3

15.5

230

10 

49.5

T-137

STD

1.5 

6.9 

1 

4.8 

0.5

1.5 

0.52

0.5 

2

1.2

9 

0.13

0.5 

5 

1.8 

1.1 

2.5 

1

2.7

14

0.5 

4.2

T-137 

N

17 

55 

21 

74 

64

88 

80

11 

81

47

90 

76

89 

91 

41 

87 

73 

80

53

45

6 

85

8/9

AMW-

observe

2050

5.4

12

0.0

33

12

38

12

13

9.8

7.6

475

9870

3.8

14

11

8350

0.9

27

21

32

22

7.1

190

150

0.4

70

4150
Table 9. Comparison of observed concentrations for major ions in USGS reference standards during Coeur d'Alene sample analyses with published most pro

standard deviations (STD), and numbers of measurements (N). Dotted line indicates no reported values for observed analysis.

Element Units

8/96

M-100

11/96

M-100

6/97

M-100

observed observed observed

Ca mg L"1

Cl mg L1

F mg L1

K mg L1

Mg mg L"1

Na mg L"1

SO4 mg L"1

186

69.5

 

4.62

100

285

1200

185

81

1.8

4.63

100

283

1150

187

82

1.9

4.57

99

278

1150

M-100

MPV

180

79

0.89

4.5

98

281

1180

M-100

STD

8

2

0.07

0.7

5

12

55

M-100

N

53

52

42

55

54

55

53

8/96

M-130

11/96 6/97

M-130 M-130

observed observed observed

21.3

19.2

3.08

5.89

35.7

57

21.4 21.5

22 21

1.9 1.1

3.03 3.05

5.93 5.89

35.9 35.3

63 56

M-130

MPV

21.2

21.4

1.23

3

5.9

35.8

58

M-130

STD

1

1.9

0.09

0.23

0.27

1.6

2.6

M-130

N

95

99

65

88

91

93

90