GIS DATA |
Location |
Classification |
|
Past Production (Amount
Recovered) |
Remaining Resources |
|
|
Layer |
Tract |
Map No |
Deposit |
District |
County |
State |
Long |
Lat |
No. |
Deposit Type |
No. |
Alternative deposit types |
Environmental Model |
Discovery Year |
Production Dates |
Tonnage thousand metric t |
Au metric t |
Ag metric t |
Cu thousand metric t |
Pb thousand metric t |
Zn thousand metric t |
OtherProduction |
References: Production |
Resource Year |
Tonnage thousand metric t |
Au metric t |
Ag metric t |
Cu thousand metric t |
Pb thousand metric t |
Zn thousand metric t |
Other Grades |
References: Resources |
Comments |
Operators |
SCU1 |
GP04 |
01 |
Mangum - Paoli |
Creta |
Greer |
OK |
-99.530 |
34.830 |
30b |
Sediment-hosted Cu, reduced
facies |
|
|
Sediment-hosted Cu |
|
|
no |
no |
no |
no |
no |
no |
|
|
1979 |
>6,000 |
no |
unk |
>48 |
no |
no |
|
Long, 1992 |
|
|
SCU1 |
GP04 |
02 |
Creta |
Creta |
Jackson |
OK |
-99.500 |
34.500 |
30b |
Sediment-hosted Cu, reduced
facies |
|
|
Sediment-hosted Cu |
1962 |
1965-1973 |
1,800 |
no |
10 |
36 |
no |
no |
|
R.O. Fay, Oklahoma Geological
Survey, written commun., 1993 |
1975 |
5,400 |
no |
30 |
109 |
no |
no |
|
Dingess, 1976 |
|
|
MVTD |
GP05 |
01 |
Upper Mississippi Valley |
Upper Mississippi Valley |
Lafayette, Grant, Green, Jo
Daviess, Dubuque |
IL, WI, IA |
-90.420 |
42.450 |
32 |
Mississippi Valley |
32a |
Southeast Missouri Pb-Zn |
Mississippi Valley-type Pb-Zn |
1600's |
1800-1979 |
>54,000 |
no |
2 |
2 |
779 |
1,463 |
Pyrites, cadmium |
Heyl, 1968; Heyl and others,
1959; USBM Minerals Yearbook and Production Data 1960-79 |
1979 |
3,717 |
no |
neg |
neg |
5 |
120 |
Cadmium |
Kilgore and others, 1983 |
Resource at Shullsburg and Crawford-Elmo No. 3 mines. Total
resource unknown. |
|
MVTD |
GP05 |
02 |
Indian Creek |
Southeast Missouri |
Washington |
MO |
-90.900 |
38.500 |
32 |
Mississippi Valley |
32a |
Southeast Missouri Pb-Zn |
Mississippi Valley-type Pb-Zn |
1948 |
1954-1982 |
15,000 |
no |
no |
no |
370 |
yes |
|
USBM Minerals Yearbook, 1982, v.
2, p. 312 |
|
|
|
|
|
|
|
|
|
|
Doe Run |
MVTD |
GP05 |
03 |
Central Missouri |
Central Missouri |
Morgan, Miller, Camden,
Moniteau, Cooper, Cole, Benton |
MO |
-92.817 |
38.250 |
32 |
Mississippi Valley |
32a |
Southeast Missouri Pb-Zn |
Mississippi Valley-type Pb-Zn |
~1725 |
1830-1948 |
|
no |
no |
no |
23 |
6 |
Barite |
Kiilsgaard, 1967 |
|
|
|
|
|
|
|
|
|
|
|
MVTD |
GP05 |
04 |
Old Lead Belt |
Southeast Missouri |
St. Francois |
MO |
-90.534 |
37.842 |
32 |
Mississippi Valley |
32a |
Southeast Missouri Pb-Zn |
Mississippi Valley-type Pb-Zn |
1715 |
1864-1972 |
>233,000 |
no |
271 |
yes |
7,711 |
93 |
|
Wharton and others, 1969;
Kiilsgaard, 1967; Kiilsgaard and others, 1967; Snyder and Gerdemann, 1968 |
|
|
|
|
|
|
|
|
|
|
Doe Run |
MVTD |
GP05 |
05 |
Viburnum Trend |
Southeast Missouri |
Crawford, Washington, Iron,
Reynolds |
MO |
-91.167 |
37.583 |
32 |
Mississippi Valley |
32a |
Southeast Missouri Pb-Zn |
Mississippi Valley-type Pb-Zn |
1955 |
1960-1995 |
>177,000 |
no |
1,431 |
328 |
11,234 |
1,415 |
|
USBM Minerals Yearbooks
1970-1995; SEC Form 10Ks for Asarco, Fluor, Dresser, Kennecott, Amax, and St. Joe; Cominco
Annual Reports; Lasmanis, 1997 |
1993 |
|
no |
1,621 |
unk |
28,504 |
1,439 |
|
Doe Run Co., personal
communication, 1994 |
|
Doe Run |
MVTD |
GP05 |
06 |
Mine LaMotte-Fredericktown |
Southeast Missouri |
Madison |
MO |
-90.273 |
37.533 |
32 |
Mississippi Valley |
32a |
Southeast Missouri Pb-Zn |
Mississippi Valley-type Pb-Zn |
1715 |
1723-1961 |
>14,000 |
no |
neg |
20 |
522 |
no |
Nickel, cobalt |
Wharton, 1975; Kinkel, 1967 |
1970 |
|
no |
unk |
unk |
sig |
no |
0.46% Ni, 0.28% Co |
Bilbrey, 1962; Long, 1992 |
|
Anschutz - Falconbridge |
MVTD |
GP05 |
07 |
Illinois-Kentucky |
Illinois-Kentucky |
Pope, Hardin, Livingston,
Crittenden |
IL, KY |
-88.423 |
37.527 |
32 |
Mississippi Valley |
32c |
Mississippi Valley fluorite |
Mississippi Valley-type Pb-Zn |
1818 |
1902-1995 |
>11,000 |
no |
7 |
neg |
64 |
266 |
>10,300,000 metric t fluorspar |
Grogan and Bradbury, 1968; USBM
Minerals Yearbook and Production Data 1900-1995 |
|
|
|
|
|
|
|
Cadmium |
|
|
Ozark-Mahoning - Savage Zinc |
MVTD |
GP05 |
08 |
Annapolis |
Southeast Missouri |
Iron |
MO |
-90.700 |
37.367 |
32 |
Mississippi Valley |
32a |
Southeast Missouri Pb-Zn |
Mississippi Valley-type Pb-Zn |
|
1923-1940 |
1,256 |
no |
no |
no |
19 |
no |
|
Wharton, 1975 |
|
|
|
|
|
|
|
|
|
|
|
MVTD |
GP05 |
10 09 11 |
Tri-state (Galena, Joplin,
Picher) |
Tri-state |
Cherokee; Jasper, Newton,
Lawrence; Ottowa |
KS MO OK |
-94.650 |
37.083 |
32 |
Mississippi Valley |
32a |
Southeast Missouri Pb-Zn |
Mississippi Valley-type Pb-Zn |
by 1810 |
1850-1970 |
>365,000 |
no |
no |
no |
2,579 |
10,614 |
Cadmium, germanium |
Martin, 1946; USBM Minerals
Yearbooks 1946-1970 |
|
4,800 |
no |
no |
no |
10 |
149 |
Cadmium, germanium, gallium |
Wharton and others, 1969 |
Production tonnage excludes 138,000,000 metric t reprocessed
mill tailings. Resource for MO portion of district only. |
|
DMCU |
LS01 |
01 |
Birch Lake |
Duluth |
Lake |
MN |
-91.733 |
47.817 |
6b |
Duluth Cu-Ni |
|
|
Magmatic sulfide |
|
|
no |
no |
no |
no |
no |
no |
|
|
1976 |
1,248,000 |
unk |
unk |
5,866 |
no |
no |
0.16% Ni |
Listerud and Meineke, 1977 |
Resource may be as large as 4,800,000,000 metric t |
|
DMCU |
LS01 |
01 |
Dunka River (Dunka Road) |
Duluth |
St. Louis |
MN |
-91.883 |
47.666 |
6b |
Duluth Cu-Ni |
|
|
Magmatic sulfide |
|
|
no |
no |
no |
no |
no |
no |
|
|
1976 |
808,000 |
49 |
1,212 |
3,474 |
no |
no |
0.109%Ni; 0.437 gpt Pd; 0.116
gpt Pt |
Randol 1996; Listerud and
Meineke, 1977 |
Resource may be as large as 2,840,000,000 metric t |
Fleck Resources - Argosy |
DMCU |
LS01 |
01 |
Gunflint Corridor East |
Duluth |
Cook |
MN |
-90.740 |
48.050 |
6b |
Duluth Cu-Ni |
|
|
Magmatic sulfide |
1966 |
|
no |
no |
no |
no |
no |
no |
|
|
1976 |
307,000 |
unk |
unk |
491 |
no |
no |
0.04% Ni |
Listerud and Meineke, 1977 |
Resource may be as large as 1,695,000,000 metric t |
Cleveland Cliffs Iron |
DMCU |
LS01 |
01 |
Gunflint Corridor West |
Duluth |
Cook |
MN |
-90.847 |
48.086 |
6b |
Duluth Cu-Ni |
|
|
Magmatic sulfide |
1966 |
|
no |
no |
no |
no |
no |
no |
|
|
1976 |
192,000 |
unk |
unk |
461 |
no |
no |
0.06% Ni |
Listerud and Meineke, 1977 |
Resource may be as large as 706,000,000 metric t |
|
DMCU |
LS01 |
01 |
Maturi (South Kawishwi River
West) |
Duluth |
Lake |
MN |
-91.756 |
47.801 |
6b |
Duluth Cu-Ni |
|
|
Magmatic sulfide |
by 1951 |
|
no |
no |
no |
no |
no |
no |
|
|
1976 |
416,000 |
unk |
unk |
1,955 |
no |
no |
0.15% Ni |
Listerud and Meineke, 1977 |
Resource may be as large as 1,600,000,000 metric t. |
|
DMCU |
LS01 |
01 |
Minnamax (Babbit Lake) |
Duluth |
St. Louis |
MN |
-91.883 |
47.641 |
6b |
Duluth Cu-Ni |
|
|
Magmatic sulfide |
1957 |
|
no |
no |
no |
no |
no |
no |
|
|
1976 |
836,000 |
unk |
unk |
4,514 |
no |
no |
0.13% Ni |
Randol 1996 |
|
Arimetco International - Longyear Mesaba |
DMCU |
LS01 |
01 |
Partridge River |
Duluth |
St. Louis |
MN |
-92.039 |
47.576 |
6b |
Duluth Cu-Ni |
|
|
Magmatic sulfide |
|
|
no |
no |
no |
no |
no |
no |
|
|
1976 |
3,754,000 |
unk |
unk |
14,641 |
no |
no |
0.13% Ni |
Listerud and Meineke, 1977 |
Resource may be as large as 14,704,000,000 metric t. |
|
DMCU |
LS01 |
01 |
Spruce Road (Ely) |
Duluth |
Lake |
MN |
-91.683 |
47.833 |
6b |
Duluth Cu-Ni |
|
|
Magmatic sulfide |
1948 |
|
no |
no |
no |
no |
no |
no |
|
|
1976 |
300,000 |
unk |
unk |
1,380 |
no |
no |
0.17% Ni; Platinum group metals |
Listerud and Meineke, 1977 |
Resource may be as large as 1,902,000,000 metric t. |
State of Minnesota |
KVMS |
LS04 |
01 |
Lynne |
Somo |
Oneida |
WI |
-89.970 |
45.695 |
28a |
Massive sulfide, kuroko |
|
|
Volcanic-associated massive
sulfide |
1990 |
no |
no |
no |
no |
no |
no |
no |
|
|
1992 |
6,100 |
6 |
591 |
45 |
116 |
612 |
|
DeMatties, 1994 |
Total resource is 6.8 to 7.3 million metric t. |
Noranda |
KVMS |
LS04 |
02 |
Catwillow |
Crandon |
Forest |
WI |
-88.549 |
45.629 |
28a |
Massive sulfide, kuroko |
|
|
Volcanic-associated massive
sulfide |
|
no |
no |
no |
no |
no |
no |
no |
|
|
|
2,600 |
2 |
41 |
39 |
unk |
68 |
|
DeMatties, 1994 |
|
|
KVMS |
LS04 |
03 |
Pelican |
Crandon |
Oneida |
WI |
-89.417 |
45.578 |
28a |
Massive sulfide, kuroko |
|
|
Volcanic-associated massive
sulfide |
1975 |
no |
no |
no |
no |
no |
no |
no |
|
|
1977 |
2,000 |
unk |
35 |
20 |
unk |
90 |
|
DeMatties, 1994 |
|
Noranda |
KVMS |
LS04 |
04 |
Thornapple (Eisenbray) |
Ladysmith |
Rusk |
WI |
-91.140 |
45.514 |
28a |
Massive sulfide, kuroko |
|
|
Volcanic-associated massive
sulfide |
1970 |
no |
no |
no |
no |
no |
no |
no |
|
|
1974 |
2,700 |
unk |
unk |
41 |
unk |
95 |
|
DeMatties, 1994; May, 1996 |
Additional drilling 1984-85 identified 45,000,000 to
91,000,000 metric t of additional, low-grade Cu-Zn material. |
Rio Tinto |
KVMS |
LS04 |
05 |
Crandon |
Crandon |
Forest |
WI |
-88.926 |
45.483 |
28a |
Massive sulfide, kuroko |
|
|
Volcanic-associated massive
sulfide |
1975 |
no |
no |
no |
no |
no |
no |
no |
|
|
1979 |
61,100 |
79 |
2,818 |
684 |
316 |
3,657 |
|
DeMatties, 1994 |
|
Exxon - Rio Algom |
KVMS |
LS04 |
06 |
Flambeau |
Ladysmith |
Rusk |
WI |
-91.119 |
45.441 |
28a |
Massive sulfide, kuroko |
|
|
Volcanic-associated massive
sulfide |
1968 |
1993-1997 |
1,600 |
9 |
98 |
153 |
unk |
unk |
Siliceous flux |
RTZ Corp. 1993-96 SEC Form 20-F |
|
4,600 |
10 |
94 |
101 |
unk |
39 |
|
DeMatties, 1994 |
1.6% Zn in ore apparently not recovered. Resource is material
below open pit. |
Rio Tinto |
KVMS |
LS04 |
07 |
Bend |
Ladysmith |
Taylor |
WI |
-90.607 |
45.298 |
28a |
Massive sulfide, kuroko |
|
|
Volcanic-associated massive
sulfide |
1986 |
no |
no |
no |
no |
no |
no |
no |
|
|
1994 |
3,500 |
11 |
47 |
66 |
unk |
neg |
|
DeMatties and Rowell, 1996 |
|
Sharpe Energy and Resources - Freewest Resources |
SCU2 |
LS07 |
01 |
White Pine |
White Pine |
Ontonagon |
MI |
-89.534 |
46.744 |
30b |
Sediment-hosted Cu, reduced
facies |
|
|
Sediment-hosted Cu |
by 1868 |
1868-1995 |
173,000 |
no |
1,490 |
1,766 |
no |
no |
|
Mauk, 1993; Seasor and Brown,
1989; Copper Range and Inmet Annual Reports |
1994 |
139,000 |
no |
>1,000 |
1,443 |
no |
no |
|
Inmet 1994 Annual Report, NM
7/24/95, Milton Gere, Jr. written communication, 1995 |
Some 1,361,000 metric t Cu remain in mine pillars (estimated
as 112 million metric t ore assuming ore mined at 57% extraction and 6% dilution). Other
resources include 1,809,000 metric t copper. |
Inmet (Copper Range) |
SCU2 |
LS07 |
02 |
Presque Isle |
White Pine |
Gogebic |
MI |
-89.950 |
46.700 |
30b |
Sediment-hosted Cu, reduced
facies |
|
|
Sediment-hosted Cu |
1950 |
|
no |
no |
no |
no |
no |
no |
|
|
1985 |
95,000 |
no |
1 |
1,100 |
no |
no |
|
Cannon, 1985 |
|
Copper Range |
NTCU |
LS08 |
01 |
Kearsarge Amygdaloid |
Keweenaw |
Houghton |
MI |
-88.363 |
47.307 |
23 |
Basaltic Cu |
|
Native Cu |
|
by 1869 |
1887-1964 |
89,061 |
no |
unk |
1,030 |
no |
no |
|
White, 1968; Wilband, 1978 |
1978 |
8,786 |
no |
unk |
61 |
no |
no |
|
Wilband, 1978 |
Several mines. |
Calumet and Hecla |
NTCU |
LS08 |
02 |
Isle Royale Amygdaloid |
Keweenaw |
Houghton |
MI |
-88.461 |
47.236 |
23 |
Basaltic Cu |
|
Native Cu |
|
by 1852 |
1853-1948 |
17,127 |
no |
unk |
155 |
no |
no |
|
White, 1968 |
1978 |
454 |
no |
unk |
5 |
no |
no |
|
Wilband, 1978 |
Chiefly Isle Royale mine |
|
NTCU |
LS08 |
03 |
Osceola Amygdaloid |
Keweenaw |
Houghton |
MI |
-88.516 |
47.186 |
23 |
Basaltic Cu |
|
Native Cu |
|
by 1878 |
1879-1964 |
27,434 |
no |
no |
270 |
no |
no |
|
White, 1968; Wilband, 1978 |
|
10,299 |
no |
unk |
98 |
no |
no |
|
Wilband, 1978 |
Several mines. |
Calumet and Hecla |
NTCU |
LS08 |
04 |
Calumet and Hecla Conglomerate |
Keweenaw |
Houghton |
MI |
-88.579 |
47.140 |
23 |
Basaltic Cu |
|
Native Cu |
|
1864 |
1865-1964 |
72,428 |
no |
unk |
1,910 |
no |
no |
|
White, 1968 |
1978 |
2,977 |
no |
unk |
35 |
no |
no |
|
Wilband, 1978 |
Calumet & Hecla, Centennial, Osceola, Tamarack and other
mines |
Calumet and Hecla |
NTCU |
LS08 |
05 |
Pewabic Amygdaloid |
Keweenaw |
Houghton |
MI |
-88.600 |
47.140 |
23 |
Basaltic Cu |
|
Native Cu |
|
1846 |
1855-1967 |
38,898 |
no |
no |
491 |
no |
no |
|
White, 1968; Lankton and Hyde,
1982 |
|
5,000 |
no |
unk |
50 |
no |
no |
|
Wilband, 1978 |
Chiefly Quincy mine. |
Quincy Mining |
NTCU |
LS08 |
06 |
Ashbed Amygdaloid |
Keweenaw |
Houghton |
MI |
-88.650 |
47.100 |
23 |
Basaltic Cu |
|
Native Cu |
|
1844 |
1855-1964 |
9,892 |
no |
yes |
65 |
no |
no |
|
White, 1968 |
|
|
|
|
|
|
|
|
|
Chiefly Atlantic mine; small production from tailings
1965-1967 not included |
Copper Range |
NTCU |
LS08 |
07 |
Baltic Amygdaloid |
Keweenaw |
Houghton |
MI |
-88.579 |
47.079 |
23 |
Basaltic Cu |
|
Native Cu |
|
1882 |
1898-1967 |
56,167 |
no |
unk |
841 |
no |
no |
|
White, 1968 |
1978 |
1,507 |
no |
unk |
12 |
no |
no |
|
Wilband, 1978 |
Baltic, Champion, Globe, and Trimountain mines |
Copper Range |
LSGQ |
LS10 |
01 |
Reef |
|
Marathon |
WI |
-89.362 |
44.960 |
36a |
Low-sulfide Au-quartz vein |
|
|
Low-sulfide Au-quartz vein |
1970 |
no |
no |
no |
no |
no |
no |
no |
|
|
1990 |
412 |
4 |
unk |
1 |
no |
no |
|
DeMatties, 1994 |
|
Noranda |
HMAS |
LS12 |
01 |
Ropes |
Marquette |
Marquette |
MI |
-87.425 |
46.530 |
36a |
Low-sulfide Au-quartz vein,
Archean |
|
|
Low-sulfide Au-quartz vein |
1881 |
1883-1989 |
2,681 |
6.3 |
8.6 |
no |
no |
no |
|
Fountain, 1992; Callahan SEC
Form 10K 1985-1989 |
1990 |
438 |
1 |
unk |
no |
no |
no |
|
Sims and Day, 1992; Bodwell,
1997 |
An additional 4.6 to 7.7 metric t Au indicated, mainly below
present mine workings. |
|
LSGP |
LSGP |
01 |
Osceola |
Osceola |
White Pine |
NV |
-114.400 |
39.080 |
|
Vein, Au-quartz, peraluminous granite |
|
|
|
1872 |
1872-1959 |
>49 |
1 |
4 |
neg |
neg |
neg |
Tungsten |
Hose and others, 1976 |
|
|
|
|
|
|
|
|
|
|
Rea Gold |
LSGP |
LSGP |
02 |
Weepah |
Lone Mountain |
Esmeralda |
NV |
-117.560 |
37.930 |
|
Vein, Au-quartz, peraluminous granite |
|
|
|
1904 |
1986-1987 |
168 |
0.2 |
6 |
no |
no |
no |
|
Sunshine Annual 1986-1988 Annual
Reports |
1991 |
89 |
0.3 |
unk |
no |
no |
no |
|
Homestead Minerals 1991 SEC Form
10K |
|
Sunshine |
LSGP |
LSGP |
03 |
Mary - Drinkwater |
Silver Peak (Mineral Ridge) |
Esmeralda |
NV |
-117.700 |
37.800 |
|
Vein, Au-quartz, peraluminous granite |
|
|
|
1864 |
|
unk |
unk |
unk |
unk |
unk |
unk |
|
|
1995 |
6,800 |
13 |
unk |
no |
no |
no |
|
NMI95 |
|
Cornucopia Resources |
LSGP |
LSGP |
04 |
Skidoo |
Emigrant (Skidoo) |
Inyo |
CA |
-117.147 |
36.336 |
|
Vein, Au-quartz, peraluminous granite |
|
|
|
1908 |
1908-1955 |
112 |
2 |
2.2 |
neg |
neg |
no |
|
USBM Minerals Yearbook and
Production Data 1908-1955 |
|
|
3 |
5 |
neg |
neg |
neg |
|
Fyfe, 1980 |
Within Death Valley National Park |
|
MO |
MOCX |
01 |
Cave Peak |
|
Culberson |
TX |
-104.887 |
31.440 |
16 |
Porphyry Mo, Climax |
|
|
Climax Mo |
by 1914 |
no |
no |
no |
no |
no |
no |
no |
|
|
1980 |
>228,000 |
no |
unk |
>105 |
no |
unk |
0.13% Mo, 0.01% WO3, 0.1% Nb2O3,
0.001% Sn, also Be |
Long, 1992; Sharp, 1979 |
Additional 180 to 450 million metric t resource at depth with
0.05% Cu, 0.2 to 0.3% Mo, 0.1% Nb2O3, 0.008% WO3, and 0.002% Sn. |
Draco |
MO |
MOLF |
01 |
Mount Tolman |
Sanpoil, Keller |
Ferry |
WA |
-118.692 |
48.057 |
21b |
Porphyry Mo, Low-F |
|
|
|
by 1952 |
|
no |
no |
no |
no |
no |
no |
|
|
1981 |
2,180,000 |
neg |
neg |
1,962 |
no |
no |
0.093% Mo |
Lasmanis and Utterback, 1995 |
Delineated geologic resource at a 0.048% MoS2 cut-off grade.
Deposit is larger than area drilled. |
Colville Tribes |
MO |
MOLF |
02 |
Cumo |
Grimes Pass |
Boise |
ID |
-115.783 |
44.038 |
21b |
Porphyry Mo, Low-F |
|
|
|
1963 |
|
no |
no |
no |
no |
no |
no |
|
Baker, 1985; Kiilsgaard and
others, 1989 |
|
907,000 |
unk |
1,866 |
544 |
no |
no |
0.06% Mo; .008% W |
Kirkham and Sinclair, 1995 |
|
Cimarron Minerals |
MO |
MOLF |
03 |
Buckingham |
Battle Mountain |
Lander |
NV |
-117.075 |
40.617 |
21b |
Porphyry Mo, Low-F |
|
|
|
by 1982 |
|
no |
no |
no |
no |
no |
no |
|
|
1982 |
1,297,000 |
unk |
unk |
4,411 |
no |
no |
0.058% Mo |
Carten and others, 1995 |
|
|
MO |
MOLF |
04 |
Hall (Cyprus Tonopah) |
San Antone |
Nye |
NV |
-117.300 |
38.300 |
21b |
Porphyry Mo, Low-F |
|
|
|
1935 |
1981-1991 |
>6,564 |
no |
no |
>3.7 |
no |
no |
>14,800 metric t molybdenum |
Atlantic Richfield 1981-85 and
Cyprus Minerals 1988-91 SEC Form 10Ks |
1986 |
181,000 |
no |
no |
82 |
no |
no |
0.091% Mo |
Carten and others, 1995; Shaver,
1986 |
Production data incomplete. |
Cyprus-Amax |
MO |
MOLF |
05 |
Rialto |
Nogal |
Lincoln |
NM |
-105.780 |
33.510 |
21b |
Porphyry Mo, Low-F |
|
|
|
1894 |
|
no |
no |
no |
no |
no |
no |
|
|
|
27,000 |
no |
no |
27 |
no |
no |
0.07% Mo |
Carten and others, 1995;
Hollister, 1978 |
|
|
PCU1 |
NA02 |
01 |
Catheart Mountain |
|
Somerset |
ME |
-70.217 |
45.536 |
21a |
Porphyry Cu-Mo |
|
|
Porphyry Cu |
1965 |
no |
no |
no |
no |
no |
no |
no |
|
|
1968 |
18,000 |
unk |
unk |
100 |
no |
no |
About 0.06% Mo |
D.A. Singer, personal communication, 1996 |
Resource copper grade seems excessive; true grade perhaps 0.1
to 0.2% Cu. |
Scott Paper |
BVMS |
NA05 |
01 |
Blackhawk |
|
Hancock |
ME |
-68.622 |
44.391 |
24b |
Massive sulfide, Besshi |
|
|
Volcanic-associated massive
sulfide |
by 1961 |
1972-1977 |
925 |
no |
unk |
7 |
1 |
52 |
|
USBM Minerals Yearbook, 1972-77 |
1976 |
1,440 |
no |
unk |
unk |
unk |
109 |
|
USBM Mineral Yearbook, 1975,
1976 |
Ore mined contained about14 gpt Ag, amount recovered unknown.
Small production during World War I. |
Black Hawk Mining |
BVMS |
NA08 |
01 |
Elizabeth |
Orange County Copper |
Orange |
VT |
-72.333 |
43.817 |
24d |
Massive sulfide, Besshi |
|
|
Volcanic-associated massive
sulfide |
1793 |
1830-1958 |
3,000 |
0.06 |
16 |
51 |
no |
13 |
Pyrites |
Howard, 1969; Brown, 1968; USBM
Production Data |
|
|
|
|
|
|
|
|
|
Zinc produced was in calcines from roasting pyrites which were disposed of
without recovering the zinc. |
|
KVMS |
NA11 |
01 |
Bald Mountain |
|
Aroostook |
ME |
-68.745 |
46.737 |
28a |
Massive sulfide, kuroko |
|
|
Volcanic-associated massive
sulfide |
1977 |
no |
no |
no |
no |
no |
no |
no |
|
|
|
33,681 |
5 |
114 |
375 |
neg |
346 |
|
Scully, 1993a |
First resource figure is for gossan cap, second figure for
massive sulfide. |
Black Hawk Mining |
KVMS |
NA11 |
02 |
Mount Chase |
|
Penobscot |
ME |
-68.464 |
46.139 |
|
Unclassified |
|
Massive sulfide |
|
1979 |
no |
no |
no |
no |
no |
no |
no |
|
|
|
2,885 |
unk |
302 |
42 |
139 |
325 |
|
Scully, 1993b |
|
J.M. Huber Co. |
KVMS |
NA13 |
01 |
Harborside (Penobscot, Cape
Rosier, Callahan) |
|
Hancock |
ME |
-68.810 |
44.352 |
28a |
Massive sulfide, kuroko |
|
|
Volcanic-associated massive
sulfide |
by 1881 |
1968-1972 |
706 |
no |
8 |
6 |
2 |
31 |
|
Brooksville 1972 Annual Town
Report |
1972 |
45 |
no |
unk |
1 |
unk |
1 |
|
Callahan 1971 SEC Form 10K |
Production data estimated in part. Remaining resource estimated by deducting
1972 production from 1971 reserves. |
|
KVMS |
NA14 |
01 |
Ledge Ridge |
|
Oxford |
ME |
-71.050 |
45.233 |
28a |
Massive sulfide, kuroko |
|
|
Volcanic-associated massive
sulfide |
|
no |
no |
no |
no |
no |
no |
no |
|
|
|
3,400 |
1.6 |
61 |
32 |
27 |
76 |
|
Buro, 1993 |
|
Boise Cascade - Aur Resources - Teck |
KVMS |
NA14 |
02 |
Milan |
|
Coos |
NH |
-71.133 |
44.346 |
28a |
Massive sulfide, kuroko |
|
|
Volcanic-associated massive
sulfide |
1870's |
1870's-1910 |
unk |
unk |
unk |
unk |
unk |
unk |
|
|
|
500 |
1.2 |
25 |
11 |
8 |
36 |
|
Gair and Slack, 1979 |
Resource is estimated original size of deposit. Production, unknown but
probably small, is included in resource. |
Morgain Minerals? |
NONE |
NONE |
03 |
Madison |
Silver Star |
Madison |
MT |
-111.729 |
45.079 |
|
Unclassified |
|
|
|
1865 |
|
|
|
|
|
|
|
|
|
|
2,000 |
7 |
unk |
11 |
unk |
unk |
|
AMH 1997 entry for Arkona
Resources |
|
BMR Gold - Arkona Resources |
NONE |
NONE |
05 |
Red Mountain (Royal) |
Chiwawa |
Chelan |
WA |
-120.849 |
48.756 |
17 |
Porphyry Cu |
|
Breccia pipe |
|
by 1929 |
1929-1940 |
15 |
neg |
0.5 |
neg |
no |
no |
|
Stotelmeyer and others, 1982 |
|
770 |
unk |
238 |
3 |
no |
no |
|
Stotelmeyer and others, 1982 |
|
|
NONE |
NONE |
06 |
Lamefoot |
Belcher |
Ferry |
WA |
-118.646 |
48.734 |
|
Unclassified |
|
Veinlets in argillite;
replacements in dolomite |
|
1990 |
1994-1996 |
357 |
2 |
unk |
no |
no |
no |
|
Echo Bay 1993-96 SEC Form 10K |
1997 |
837 |
6 |
unk |
no |
no |
no |
|
Echo Bay 1997 SEC Form 10K |
Production estimated by deducting 1996 reserves from initial
reserves and assuming 87% gold recovery. |
Echo Bay Mines |
NONE |
NONE |
07 |
Key East - Key West |
Belcher |
Ferry |
WA |
-118.551 |
48.710 |
|
Unclassified |
|
Veinlets in argillite;
replacements in dolomite |
|
1984 |
1993-1994 |
1,011 |
5 |
unk |
no |
no |
no |
|
Echo Bay 1990 SEC Form 10K |
|
|
|
|
|
|
|
|
|
Reserves depleted. Production estimated using initial
reserves and assuming 87% gold recovery. |
Echo Bay Mines |
NONE |
NONE |
08 |
Overlook |
Belcher |
Ferry |
WA |
-118.569 |
48.699 |
|
Unclassified |
|
Veinlets in argillite;
replacements in dolomite |
|
1986 |
1990-1995 |
2,654 |
11 |
unk |
no |
no |
no |
|
Echo Bay 1990 SEC Form 10K |
|
|
|
|
|
|
|
|
|
Reserves depleted. Production estimated using initial
reserves and assuming 87% gold recovery. |
Echo Bay Mines |
NONE |
NONE |
09 |
543-S |
|
Keweenaw |
MI |
-88.180 |
47.360 |
23 |
Basaltic Cu |
|
Chalcocite in basalt |
|
|
no |
no |
no |
no |
no |
no |
no |
|
|
1995 |
1,498 |
no |
unk |
62 |
no |
no |
|
Skillings 1/19/95 |
|
Great Lakes Minerals - Brookline Minerals |
NONE |
NONE |
10 |
St. Louis |
Keweenaw |
Houghton |
MI |
-88.390 |
47.240 |
23 |
Basaltic Cu |
|
Chalcocite in basalt |
|
1844 |
|
|
no |
no |
no |
no |
no |
|
|
1990 |
7,300 |
no |
unk |
73 |
no |
no |
|
AMH 1993 entry for Great Lakes
Minerals |
|
Great Lakes Minerals |
NONE |
NONE |
11 |
York |
York |
Lewis and Clark |
MT |
-111.750 |
46.721 |
|
Unclassified |
|
Disseminated Au |
|
1864 |
|
no |
no |
no |
no |
no |
no |
|
|
|
|
|
|
|
|
|
|
Baitis, 1988 |
|
|
NONE |
NONE |
12 |
Miller Mountain |
Confederate Gulch |
Broadwater |
MT |
-111.414 |
46.620 |
|
Unclassified |
|
Dissemiated Au |
|
1893 |
1903-1948 |
1 |
0.3 |
0.2 |
neg |
neg |
no |
|
Avery and others, 1989 |
|
10,000 |
10 |
unk |
no |
no |
no |
|
Randol 1996; Robertson Info-Mine |
|
FMC Gold - Pegasus Gold |
NONE |
NONE |
13 |
Kona |
Marquette |
Marquette |
MI |
-87.367 |
46.500 |
30b |
Sediment-hosted Cu |
|
|
Sediment-hosted Cu |
1888 |
|
no |
no |
no |
no |
no |
no |
|
|
1978 |
1,000,000 |
no |
no |
3,000 |
no |
no |
|
Wilband, 1978 |
|
Cleveland Cliffs Iron |
NONE |
NONE |
14 |
Montana
Tunnels |
Wickes (Colorado) |
Jefferson |
MT |
-112.126 |
46.371 |
|
Unclassified |
|
Diatreme, polymetallic,
Au-bearing |
|
1975 |
1987-1997 |
45,053 |
24 |
365 |
no |
74 |
179 |
|
Pegasus Gold 1987-97 SEC Form
10K |
1997 |
17,600 |
10 |
187 |
unk |
35 |
106 |
|
Pegasus Gold 1997 SEC Form 10K |
|
Pegasus Gold |
NONE |
NONE |
15 |
Renova |
Renova (Whitehall) |
Madison |
MT |
-112.000 |
45.794 |
|
Unclassified |
|
Epithermal vein |
|
1896 |
1896-1958 |
130 |
6 |
>22 |
neg |
neg |
neg |
|
Krohn and Weist, 1977; Lorain,
1937; USBM Minerals Yearbook 1936-58 |
|
|
|
|
|
|
|
|
|
|
Mayflower Mining |
NONE |
NONE |
16 |
Blackbird |
Blackbird |
Lemhi |
ID |
-114.339 |
45.121 |
24d |
Cu-Co, Blackbird type |
31a |
Sedimentary exhalative Zn-Pb
(Cu-Co rich) |
Blackbird Co-Cu |
1892 |
1951-1960 |
1,700 |
0.4 |
neg |
29 |
no |
no |
6,400 metric t cobalt |
Hughes, 1990; Bergendahl, 1964;
Vhay, 1964 |
1982 |
6,350 |
3 |
unk |
89 |
no |
no |
0.74% Co |
Randol 1996 |
|
Noranda |
NONE |
NONE |
17 |
Iron Creek |
Blackbird |
Lemhi |
ID |
-114.115 |
44.962 |
24d |
Cu-Co, Blackbird type |
30b |
Sediment-hosted Cu, reduced
facies |
Blackbird Co-Cu |
1967 |
|
no |
no |
no |
no |
no |
no |
|
|
|
29,000 |
unk |
neg |
151 |
no |
no |
0.52% Co |
Randol 1996 |
|
Siskon Gold - Cominco |
NONE |
NONE |
19 |
Lower Whitewood Creek |
Whitewood |
Lawrence |
SD |
-103.700 |
44.400 |
|
Tailings |
39a |
Placer Au |
|
N/A |
no |
no |
no |
no |
no |
no |
no |
|
|
1989 |
12,900 |
22 |
unk |
no |
no |
no |
|
NM 4/17/95 |
Tailings also contain 0.15 to 3.0% As and some Hg. |
Goldstake - Homestake |
NONE |
NONE |
20 |
Cobb Creek |
Mountain City |
Elko |
NV |
-116.025 |
41.775 |
|
Unclassified |
|
|
|
1980's |
|
no |
no |
no |
no |
no |
no |
|
|
1988 |
2,900 |
5 |
unk |
no |
no |
no |
|
Pan Orvana Resources 1988 Annual
Report |
|
Orvana Resources |
NONE |
NONE |
21 |
Tag - Wildcat Prospect |
Trinity |
Pershing |
NV |
-118.530 |
40.370 |
|
Unclassified |
|
|
|
by 1989 |
|
no |
no |
no |
no |
no |
no |
|
|
1989 |
1,400 |
2 |
unk |
no |
no |
no |
|
NMI92 |
|
|
NONE |
NONE |
22 |
Rochester |
Rochester |
Pershing |
NV |
-118.150 |
40.280 |
19c |
Distal Disseminated Ag-Au |
36a |
Low-sulfide Au-quartz vein |
|
1912 |
1912-1997 |
74,110 |
24 |
2,186 |
neg |
neg |
neg |
|
Johnson, 1977; Couer d'Alene
Mines 1986-1997 SEC Form 10K |
1997 |
69,868 |
21 |
2,676 |
neg |
neg |
neg |
|
Coeur d'Alene Mines 1997 SEC
Form 10K |
|
Coeur d'Alene Mines |
NONE |
NONE |
23 |
Cornwall |
Cornwall |
Lebanon |
PA |
-76.403 |
40.269 |
18d |
Skarn, Fe |
|
|
Fe skarn |
1732 |
1742-1973 |
>91,000 |
2 |
14 |
260 |
no |
no |
Cobalt, iron, pyrites |
Lapham, 1968; Smith and others,
1988 |
|
|
|
|
|
|
|
|
|
Production of iron began in 1742, Cu, Au, Ag in 1908. |
|
NONE |
NONE |
24 |
Zeke (Buckhorn South) |
Buckhorn |
Eureka |
NV |
-116.483 |
40.156 |
25a |
Hot spring Au-Ag |
|
|
|
by 1989 |
|
no |
no |
no |
no |
no |
no |
|
|
1997 |
22,000 |
35 |
unk |
no |
no |
no |
|
Royal Gold 1997 Annual Report |
|
Royal Gold |
NONE |
NONE |
25 |
Kinsley Mountain |
Kinsley |
Elko |
NV |
-114.340 |
40.130 |
26a |
Sediment-hosted Au |
|
|
Sediment-hosted Au |
1986 |
1995-1997 |
4,272 |
4 |
>0.59 |
no |
no |
no |
|
Alta Gold 1995-97 SEC Form 10K;
NMI95-96 |
1997 |
120 |
1 |
unk |
no |
no |
no |
|
Alta Gold 1997 SEC Form 10K |
Plus 977 kg recoverable Au on leach pad. |
Alta Gold |
NONE |
NONE |
26 |
Bellview |
Chase |
White Pine |
NV |
-115.639 |
40.086 |
26a |
Sediment-hosted Au |
|
|
Sediment-hosted Au |
1950's? |
|
no |
no |
no |
no |
no |
no |
|
Hose and others, 1976 |
1988 |
1,160 |
1.5 |
unk |
no |
no |
no |
|
NMI95 |
|
Rochester Minerals |
NONE |
NONE |
27 |
Ruby Hill (West Archimedes) |
Eureka |
Eureka |
NV |
-115.988 |
39.523 |
19c |
Distal disseminated Ag-Au |
|
|
|
1992 |
1998- |
no |
no |
no |
no |
no |
no |
|
|
1994 |
18,000 |
50 |
unk |
no |
no |
no |
|
ME 12/94, v. 46, p. 1320 |
Global resource in East and West Archimedes deposits. |
Homestake |
NONE |
NONE |
28 |
Fire Angel |
Eldorado |
Lyon |
NV |
-119.456 |
39.230 |
|
Unclassified |
|
|
|
by 1989 |
|
no |
no |
no |
no |
no |
no |
|
|
1989 |
4,130 |
5 |
unk |
no |
no |
no |
|
Horizon Gold 1989 Annual Report |
|
Horizon Resources |
NONE |
NONE |
29 |
Kings Canyon |
|
Millard |
UT |
-113.656 |
39.078 |
|
Unclassified |
26a |
Sediment-hosted Au |
|
|
|
no |
no |
no |
no |
no |
no |
|
|
1994 |
6,200 |
6 |
unk |
no |
no |
no |
|
Randol 1996 |
|
Crown Resources - Orion International Minerals |
NONE |
NONE |
30 |
Mindora |
Garfield |
Mineral |
NV |
-118.294 |
38.477 |
26a |
Sediment-hosted Au? |
|
|
Sediment-hosted Au |
by 1968 |
|
no |
no |
no |
no |
no |
no |
|
|
1988 |
907 |
1.2 |
55 |
unk |
unk |
unk |
|
AMH 1993 entry for Eureka
Resources |
Property also has a 45,000,000 metric t resource with 0.11%
Mo. |
Eureka Resources |
NONE |
NONE |
31 |
Baxter Springs |
Manhattan |
Nye |
NV |
-117.120 |
38.440 |
25c |
Epithermal vein, Comstock |
|
|
Creede, Comstock and Sado
epithermal vein |
by 1974 |
|
no |
no |
no |
no |
no |
no |
|
|
1990 |
4,500 |
8 |
unk |
no |
no |
no |
|
NMI95 |
|
|
NONE |
NONE |
32 |
Apex (Dixie) |
Tutsagubet |
Washington |
UT |
-113.802 |
37.067 |
32c |
Kipushi Cu-Pb-Zn |
|
Colorado
Plateau breccia pipe; Mississippi Valley Pb-Zn; Polymetallic replacement |
|
1883 |
1884-1962 |
>17 |
neg |
6 |
7 |
neg |
neg |
|
Perry and McCarthy, 1977; Stowe,
1975 |
1983 |
220 |
neg |
9 |
4 |
2 |
4 |
0.064% Ge, 0.032% Ga, 0.50% As |
Bernstein, 1986 |
Surface dumps contained 45,000 metrit t material with 0.037%
Ge, 0.019% Ga, and 1.55% Cu in 1983. |
Cominco, Preussag |
NONE |
NONE |
33 |
Daisy - Mother Lode - Secret
Pass |
Bullfrog |
Nye |
NV |
-116.680 |
36.890 |
26a |
Sediment-hosted Au |
|
|
Sediment-hosted Au |
1987 |
1989-1997 |
6,743 |
2 |
>0.1 |
no |
no |
no |
|
GEXA Gold 1988-91 SEC Form 10K;
Rayrock Yellowknife 1996-1997 AIF |
1995 |
45,816 |
41 |
unk |
no |
no |
no |
|
AMH 1997 entries for Rayrock
Yellowknife and Inter-Rock Gold |
|
Inter-Rock Gold - Rayrock Yellowknife |
NONE |
NONE |
34 |
Sterling |
Fluorine |
Nye |
NV |
-116.640 |
36.830 |
19c |
Distal disseminated Ag-Au |
26a |
Sediment-hosted Au |
|
1973 |
1980-1996 |
>487 |
5 |
unk |
no |
no |
no |
|
Cathedral Gold 1983-95 Annual
Reports |
1996 |
83 |
0.6 |
unk |
no |
no |
|
|
Cathedral Gold 1995 Annual
Report |
|
Cathedral Gold - Placer Dome |
NONE |
NONE |
35 |
Colosseum |
Clark |
San Bernardino |
CA |
-115.563 |
35.571 |
|
Unclassified |
|
Breccia pipe, Au |
|
1865 |
1939-1993 |
5,764 |
11 |
7 |
neg |
2 |
2 |
|
USBM Minerals Yearbook 1936-55;
LAC Minerals 1989-93 Annual Reports |
|
|
|
|
|
|
|
|
|
Reserves depleted 1993. |
Barrick Gold? |
NONE |
NONE |
36 |
Morning Star |
Ivanpah |
San Bernardino |
CA |
-115.491 |
35.362 |
36a |
Detachment-fault-related
polymetallic |
|
|
|
1907 |
1980-1990 |
1,971 |
2 |
3 |
no |
no |
no |
|
Vanderbilt Gold 1980-90 SEC Form
10K |
1990 |
5,199 |
8 |
unk |
no |
no |
no |
|
Vanderbilt 1990 SEC Form 10K |
|
Vanderbilt Gold |
NONE |
NONE |
37 |
Zenda |
Loraine (Amalie) |
Kern |
CA |
-118.464 |
35.291 |
|
Unclassified |
|
|
|
by 1904 |
1909-1932 |
49 |
0.1 |
3 |
no |
no |
no |
|
USBM Production Data 1909-32;
Troxel and Morton, 1962 |
1993 |
1,100 |
1.9 |
31 |
no |
no |
no |
|
Randol 1996 |
|
Claimstake Resources |
NONE |
NONE |
39 |
America |
|
San Bernardino |
CA |
-115.766 |
34.425 |
|
Unclassified |
22c |
Vein, polymetallic |
|
1905 |
1908-1984 |
311 |
0.5 |
unk |
no |
no |
no |
|
Wilkins and Hillemeyer, 1996 |
1996 |
7,602 |
12 |
unk |
no |
no |
no |
|
BMR Gold 1996 Annual Report |
|
BMR Gold |
NONE |
NONE |
43 |
Oro Cruz
(Tumco) |
Tumco |
Imperial |
CA |
-114.810 |
32.887 |
|
Unclassified |
|
|
|
1884 |
1895-1946 |
>116 |
2 |
>0.4 |
neg |
no |
no |
|
Morton, 1977; USBM Production
Data 1905-46 |
1994 |
6,617 |
11 |
unk |
no |
no |
no |
|
Hecla 1994 SEC Form 10K |
|
Hecla - MK Gold |
NONE |
NONE |
44 |
American
Girl - Cargo Muchacho - Padre y Madre |
Cargo Muchacho |
Imperial |
CA |
-114.765 |
32.790 |
|
Unclassified |
|
|
|
1892 |
1877-1996 |
12,414 |
19 |
unk |
neg |
neg |
no |
|
Morton, 1977; Eastmaque Gold
1981-91 SEC Form 20F; Equinox Resources 1992 SEC Form 20F; MK Gold 1993 SEC Form 10K;
Hecla 1994-96 SEC Form 10K; USBM Production Data 1914-58 |
1995 |
6,076 |
10 |
unk |
no |
no |
no |
|
Randol 1996 |
Additional resource of 5,460,000 metric t tailings containing
1.5 gpt Au. |
Hecla - MK Gold |
NONE |
NONE |
45 |
Hazel |
Van Horn-Allamoore |
Hudspeth |
TX |
-104.900 |
31.170 |
|
Unclassified |
22c |
Vein, polymetallic |
Polymetallic vein and replacement |
by 1856 |
1880-1947 |
100 |
neg |
124 |
1 |
neg |
neg |
|
Price and others, 1985 |
|
|
|
|
|
|
|
|
|
|
|
SKNG |
NR05 |
01 |
Buckhorn Mountain (Crown Jewel) |
Meyers Creek |
Okanogan |
WA |
-118.983 |
48.956 |
18f |
Skarn, Au |
|
|
Cu, Au, and Pb-Zn skarn |
1988 |
|
no |
no |
no |
no |
no |
no |
|
|
1995 |
7,716 |
48 |
27 |
no |
no |
no |
|
Battle Mountain Gold 1995 SEC
Form 10K |
|
Battle Mountain Gold - Crown Resources |
SKNG |
NR07 |
01 |
Diamond Hill |
Indian Creek (Hassel) |
Broadwater |
MT |
-111.675 |
46.313 |
18f |
Skarn, Au |
|
|
Cu, Au, and Pb-Zn skarn |
late 1870's |
1880-1950 |
57 |
0.8 |
unk |
no |
no |
no |
|
Krohn and Weist, 1977 |
|
6,362 |
15 |
unk |
no |
no |
no |
|
Pegasus Gold 1992 Annual Report |
|
Pegasus Gold |
SKNG |
NR07 |
02 |
Elkhorn (Swan) |
Elkhorn |
Jefferson |
MT |
-111.950 |
46.250 |
18f |
Skarn, Au |
|
|
Cu, Au, and Pb-Zn skarn |
|
|
|
|
|
|
|
|
|
Foster and Childs, 1993; AMH
1994 |
|
10,900 |
37 |
unk |
no |
no |
no |
|
AMH 1997 entry for Santa Fe
Pacific Gold |
|
Mountain-West Resources - Newmont Gold |
SKNG |
NR07 |
03 |
Cable |
Georgetown (Cable) |
Deer Lodge |
MT |
-113.216 |
46.200 |
18f |
Skarn, Au |
|
|
Cu, Au, and Pb-Zn skarn |
1866 |
1866-1968 |
|
5 |
4 |
no |
no |
no |
|
Earll, 1972 |
|
|
|
|
|
|
|
|
|
Includes small production from Cable placer. |
|
SKNG |
NR07 |
04 |
Butte Highlands |
Fish Creek |
Silver Bow |
MT |
-112.516 |
45.797 |
18f |
Skarn, Au |
|
|
Cu, Au, and Pb-Zn skarn |
1866 |
1867-1942 |
97 |
2 |
0.09 |
no |
no |
no |
|
Ettlinger, 1996; Krohn and
Weist, 1977 |
|
2,300 |
26 to 44 |
no |
no |
no |
no |
|
Randol 1996 |
|
Orvana Resources |
SKNG |
NR07 |
05 |
Bannack |
Bannack |
Beaverhead |
MT |
-112.985 |
45.155 |
18f |
Skarn, Au |
|
|
Cu, Au, and Pb-Zn skarn |
1863 |
1902-1965 |
113 |
1 |
4 |
neg |
neg |
neg |
|
Geach, 1972 |
|
|
|
|
|
|
|
|
|
Substantial unrecorded production before 1902. |
|
SKNG |
NR07 |
06 |
New World |
New World |
Park |
MT |
-109.960 |
45.060 |
18f |
Skarn, Au |
|
|
Cu, Au, and Pb-Zn skarn |
1869 |
1875-1953 |
>306 |
1.9 |
22 |
1 |
1 |
neg |
|
Kirk and others, 1993 |
1992 |
10,915 |
83 |
326 |
82 |
unk |
unk |
|
Kirk and others, 1993 |
|
Crown Butte - Noranda - Battle Mountain Gold |
PCU2 |
NR08 |
01 |
Kelsey |
|
Okanogan |
WA |
-119.478 |
48.995 |
21a |
Porphyry Cu-Mo |
|
|
Porphyry Cu |
by 1911 |
|
no |
no |
no |
no |
no |
no |
|
|
1974 |
216,300 |
unk |
unk |
597 |
neg |
neg |
0.015 to 0.02% MoS2 |
Lasmanis, 1995 |
Indicated and inferred resource at a cut-off grade of 0.2%
Cu. An additional 148 million metric t potential resource in Central zone. |
|
PCU2 |
NR10 |
01 |
Heddleston |
Heddleston |
Lewis and Clark |
MT |
-112.360 |
47.026 |
21a |
Porphyry Cu-Mo |
|
|
Porphyry Cu |
by 1962 |
|
no |
no |
no |
no |
no |
no |
|
|
1967 |
302,000 |
16 |
1,564 |
1,097 |
no |
no |
0.01 to 0.015% Mo |
Green, 1967; Souviren, 1974 |
|
Asarco |
PCU2 |
NR10 |
02 |
Butte (Continental, Berkeley
etc.) |
Butte |
Silver Bow |
MT |
-112.526 |
46.020 |
21a |
Porphyry Cu-Mo |
|
|
Porphyry Cu |
1912 |
1952-1997 |
512,697 |
14 |
1,650 |
2,440 |
no |
no |
>57,475 metric t molybdenum |
Anaconda 1959-70 Annual Reports;
Anaconda 1971-75 SEC Form 10K; Arco 1976-83 SEC Form 10K; Asarco 1989-97 SEC Form 10K;
USBM Minerals Yearbook 1952-91 |
1996 |
4,320,277 |
>120 |
16,294 |
23,762 |
no |
no |
0.032% Mo |
Long, 1992; Asarco 1986 SEC Form
10K |
Production from Kelly underground, Berkeley and Continental
pits. Recovery of metals largely estimated for the 1960's. Resource includes Berkeley and
Continental pits, deep Berkeley, Kelly, deep block-cave, and Pittsmont deep; excludes over
197,000,000 metric t of partly-leached low-grade (0.25% Cu) dump material. Exact Au grade
of resource not known. |
Asarco - Montana Resources |
PMR1 |
NR12 |
01 |
Clayton |
Bayhorse |
Custer |
ID |
-114.410 |
44.283 |
19a |
Polymetallic replacement |
|
|
Polymetallic vein and
replacement |
1877 |
1935-1986 |
2,155 |
0.07 |
212 |
1 |
38 |
13 |
|
Fisher and others, 1995; USBM
Minerals Yearbook, 1935-1977; Clayton Silver 1978-89 Annual Reports |
1989 |
155 |
neg |
21 |
neg |
neg |
neg |
|
|
|
Clayton International Resources |
PMR1 |
NR13 |
01 |
Garnet (First Chance) |
Garnet (First Chance) |
Granite |
MT |
-113.343 |
46.827 |
19a |
Polymetallic replacement |
22c |
Vein, polymetallic |
Polymetallic vein and
replacement |
1867 |
1867-1955 |
|
4 |
3 |
neg |
neg |
neg |
|
Kauffman and Earll, 1963 |
1988 |
unk |
>4.7 |
unk |
no |
no |
no |
|
Robertson Info-Mine |
Resource in Nancy Hanks zone |
Garnet Mining - Trans-Global Resources - Orvana |
PMR1 |
NR13 |
02 |
Castle Mountain |
Castle Mountain |
Meagher |
MT |
-110.680 |
46.470 |
19a |
Polymetallic replacement |
|
|
Polymetallic vein and
replacement |
1884 |
1888-1961 |
>27 |
neg |
132 |
neg |
14 |
neg |
|
Krohn and Weist, 1977; Roby,
1950 |
|
|
|
|
|
|
|
|
|
|
|
PMR1 |
NR13 |
03 |
Hope |
Philipsburg |
Granite |
MT |
-113.274 |
46.344 |
19a |
Polymetallic replacement |
|
|
Polymetallic vein and
replacement |
1864 |
1866-1920 |
91 |
neg |
124 |
1 |
neg |
no |
|
Krohn and Weist, 1977 |
|
|
|
|
|
|
|
|
|
|
|
PMR1 |
NR13 |
04 |
Scratch Awl - True Fissure |
Philipsburg |
Granite |
MT |
-113.266 |
46.332 |
19a |
Polymetallic replacement |
22c |
Vein, polymetallic |
Polymetallic vein and
replacement |
1865 |
1892-1969 |
136 |
0.3 |
125 |
1 |
5 |
18 |
|
Krohn and Weist, 1977 |
|
|
|
|
|
|
|
|
|
|
|
PMR1 |
NR13 |
05 |
Trout |
Philipsburg |
Granite |
MT |
-113.267 |
46.329 |
19a |
Polymetallic replacement |
22c |
Vein, polymetallic |
Polymetallic vein and
replacement |
1868 |
1860-1962 |
450 |
unk |
156 |
unk |
2 |
7 |
Manganese |
Krohn and Weist, 1977 |
|
|
|
|
|
|
|
|
|
|
|
PMR1 |
NR13 |
06 |
Elkhorn (Holter) |
Elkhorn |
Jefferson |
MT |
-111.953 |
46.282 |
19a |
Polymetallic replacement |
|
|
Polymetallic vein and
replacement |
1875 |
1875-1957 |
>659 |
2 |
468 |
neg |
7 |
1 |
|
Roby and others, 1960; Weed and
Barrell, 1901 |
|
|
|
|
|
|
|
|
|
|
|
PMR1 |
NR13 |
07 |
Silver Star - Iron Rod |
Silver Star - Iron Rod |
Madison |
MT |
-112.314 |
45.696 |
19a |
Polymetallic replacement |
|
|
Polymetallic vein and
replacement |
1867 |
1867-1959 |
302 |
6 |
>4.5 |
neg |
neg |
neg |
|
Sahinen 1939; USBM Minerals
Yearbook and Production Data 1902-59 |
|
|
|
|
|
|
|
|
|
|
|
PMR1 |
NR13 |
08 |
Hecla (Bryant) |
Hecla (Bryant) |
Beaverhead |
MT |
-112.913 |
45.605 |
19a |
Polymetallic replacement |
|
|
Polymetallic vein and
replacement |
1873 |
1873-1965 |
595 |
0.6 |
416 |
4 |
51 |
2 |
|
Geach, 1972 |
|
|
|
|
|
|
|
|
|
|
|
PMR1 |
NR13 |
09 |
Argenta (Montana) |
Argenta (Montana) |
Beaverhead |
MT |
-112.904 |
45.335 |
19a |
Polymetallic replacement |
22c |
Vein, polymetallic |
Polymetallic vein and
replacement |
1862 |
1902-1965 |
283 |
2 |
18 |
neg |
8 |
1 |
|
Geach, 1972 |
1989 |
1,281 |
14 |
unk |
no |
no |
no |
|
Robertson Info-Mine |
Resource at Shafer (Yellow Band) mine. |
Aber Resources |
ALKG |
NR15 |
01 |
Zortman - Landusky |
Little Rocky Mountains |
Phillips |
MT |
-108.586 |
47.929 |
22b |
Alkaline Au-Te |
|
|
Au-Ag-Te vein |
1893 |
1893-1997 |
150,585 |
58 |
178 |
no |
no |
no |
|
USBM Minerals Yearbook 1911-55;
Pegasus Gold 1978-83 Annual Reports and 1984-97 SEC Form 10K |
1996 |
62,300 |
45 |
unk |
no |
no |
no |
|
Pegasus Gold 1996 SEC Form 10K |
|
Pegasus Gold |
ALKG |
NR15 |
02 |
Kendall |
Kendall |
Fergus |
MT |
-109.459 |
47.294 |
22b |
Alkaline Au-Te |
|
|
Au-Ag-Te vein |
1893 |
1901-1997 |
29,135 |
24 |
6 |
no |
no |
no |
|
Robertson, 1950; Canyon
Resources 1987-97 SEC Form 10K |
|
|
|
|
|
|
|
|
|
Reserves depleted. |
Crown Resources |
ALKG |
NR15 |
03 |
Spotted Horse |
Warm Springs (Maiden) |
Fergus |
MT |
-109.210 |
47.176 |
22b |
Alkaline Au-Te |
|
|
Au-Ag-Te vein |
1881 |
1881-1989 |
78 |
5 |
>0.5 |
neg |
no |
no |
|
Woodward, 1995 |
|
|
|
|
|
|
|
|
|
|
Chelsea Resources |
ALKG |
NR15 |
04 |
Maginnis |
Warm Springs (Maiden) |
Fergus |
MT |
-109.219 |
47.176 |
22b |
Alkaline Au-Te |
|
|
Au-Ag-Te vein |
1881 |
1881-1981 |
>32 |
3 |
4.7 |
no |
neg |
no |
|
Woodward, 1995 |
|
|
|
|
|
|
|
|
|
|
|
ALKG |
NR15 |
05 |
Gilt Edge |
Warm Springs (Gilt Edge) |
Fergus |
MT |
-109.226 |
47.144 |
22b |
Alkaline Au-Te |
|
|
Au-Ag-Te vein |
1884 |
1893-1918 |
~450 |
~3 |
>0.1 |
no |
no |
no |
|
Woodward, 1995 |
|
|
|
|
|
|
|
|
|
Small production 1980's. |
Golden Maple Mining |
ALKG |
NR15 |
06 |
Golden Sunlight |
Whitehall |
Jefferson |
MT |
-112.014 |
45.906 |
22b |
Alkaline Au-Te |
|
|
Au-Ag-Te vein |
1890 |
1902-1997 |
30,775 |
48 |
>4 |
neg |
no |
no |
|
Roby and others, 1960; Placer
Dome 1983-1997 SEC Form 10K |
1997 |
36,307 |
77 |
unk |
no |
no |
no |
|
Placer Dome 1997 Annual Report |
Production data incomplete. |
Placer Dome |
ALKG |
NR16 |
01 |
Richmond Hill |
Carbonate |
Lawrence |
SD |
-103.856 |
44.383 |
22b |
Alkaline Au-Te |
|
|
Au-Ag-Te vein |
by 1983 |
1989-1993 |
4,500 |
5 |
7 |
no |
no |
no |
|
Lac Minerals SEC Form 10K/20F
1989-93 |
1992 |
251 |
0.5 |
0.6 |
no |
no |
no |
|
Lac Minerals 1992 SEC Form 10K |
Remaining resource at end 1992. |
Barrick Gold |
ALKG |
NR16 |
02 |
Johnson Gulch |
Ragged Top |
Lawrence |
SD |
-103.900 |
44.350 |
22b |
Alkaline Au-Te |
|
|
Au-Ag-Te vein |
1896 |
1896-1917 |
unk |
2 |
unk |
no |
no |
no |
|
Montri and Paterson, 1990 |
1989 |
5,900 |
8 |
unk |
no |
no |
no |
|
AMH 1996, entry for Naneco
Minerals |
|
Naneco Minerals |
ALKG |
NR16 |
03 |
Bald Mountain (Wharf, Trojan,
Portland) |
Portland |
Lawrence |
SD |
-103.842 |
44.344 |
22b |
Alkaline Au-Te |
|
|
Au-Ag-Te vein |
1877 |
1877-1995 |
>34,100 |
49 |
>45 |
no |
no |
no |
|
Allsman, 1940; Norton, 1974;
Wharf Resources SEC Form 10K 1983-1995 |
1995 |
unk |
57 |
unk |
no |
no |
no |
|
Wharf Resources 1995 SEC Form
10K |
|
Wharf Resources |
ALKG |
NR16 |
04 |
Golden Reward |
Ruby Basin |
Lawrence |
SD |
-103.806 |
44.331 |
22b |
Alkaline AuTe |
|
|
Au-Ag-Te vein |
1877 |
1887-1996 |
>10,600 |
29 |
>36 |
neg |
neg |
no |
|
Allsman, 1940; MinVen Gold SEC
Form 10K 1989-1992; Dakota Mining SEC Form 10K 1993-96 |
1996 |
5,800 |
8 |
unk |
no |
no |
no |
|
Dakota Mining 1996 SEC Form 10K |
Production before 1901 estimated. Resource includes
encumbered and unpermitted material. |
Dakota Mining - Wharf Resources |
ALKG |
NR16 |
05 |
Gilt Edge |
Gilt Edge |
Lawrence |
SD |
-103.764 |
44.328 |
22b |
Alkaline Au-Te |
|
|
Au-Ag-Te vein |
1879 |
1879-1997 |
>6,500 |
8 |
7 |
neg |
no |
no |
|
Allsman, 1940; USBM Production
Data 1939-1942; MinVen Gold SEC Form 10K 1988-1992; Dakota Mining SEC Form 10K 1993-1997 |
1996 |
47,900 |
61 |
unk |
no |
no |
no |
|
Dakota Mining 1996 SEC Form 10K |
Production before 1942 estimated in part. Resource includes
oxide and sulfide ores. |
Dakota Mining |
QZAD |
NR21 |
01 |
Orient |
Orient |
Stevens |
WA |
-118.159 |
48.884 |
25c |
Epithermal vein, Comstock |
|
Hot spring Au-Ag |
Creede, Comstock and Sado
epithermal veins |
1897 |
1904-1942 |
215 |
1.4 |
1 |
neg |
neg |
neg |
|
Fulkerson and Kinston, 1958 |
|
405 |
3 |
2 |
neg |
neg |
neg |
|
? |
|
Western Continental |
QZAD |
NR21 |
02 |
Kettle |
Belcher |
Ferry |
WA |
-118.626 |
48.879 |
25c |
Epithermal vein, Comstock |
25a |
Hot spring Au-Ag |
Creede, Comstock and Sado
epithermal veins |
by 1986 |
1990-1992 |
211 |
1 |
unk |
no |
no |
no |
|
Derkey, 1993; Randol, 1990;
Derkey and others, 1990 |
|
|
|
|
|
|
|
|
|
Reserves depleted. Production estimated using initial
reserves and assuming 87% gold recovery. |
Echo Bay Mines |
QZAD |
NR21 |
03 04 05 06 |
Republic District (Knob Hill
etc.) |
Republic (Eureka) |
Ferry |
WA |
-118.758 |
48.673 |
25c |
Epithermal vein, Comstock |
25a |
Hot spring Au-Ag |
Creede, Comstock and Sado
epithermal veins |
1896 |
1896-1995 |
4,779 |
92 |
517 |
neg |
neg |
no |
|
USBM Production Data 1902-59;
USBM Minerals Yearbooks 1914, 1960-95; Day Mines Annual Reports 1958-80; Hecla SEC Form
10K 1981-85 |
1994 |
10,200 |
35 |
unk |
no |
no |
no |
|
ME 9/95 |
Knob Hill mine, principal producer, absorbed most other mines
in district over time. Resource is refractory ore at Golden Eagle property. |
Hecla - Newmont Gold - Crown Resources |
QZAD |
NR24 |
01 |
Seven-Up Pete |
Seven-Up Pete |
Lewis and Clark |
MT |
-112.530 |
46.972 |
|
Epithermal vein, quartz-adularia |
|
|
|
1886 |
|
no |
no |
no |
no |
no |
no |
|
|
|
13,000 |
25 |
unk |
no |
no |
no |
|
SEGN#30 |
Columbia, Last Chance, and Rover mines. |
Phelps Dodge - Canyon Resources |
QZAD |
NR24 |
02 |
Basin Creek (Paupers Dream) |
Rimini (Vaughn) |
Lewis and Clark |
MT |
-112.290 |
46.420 |
|
Epithermal vein, quartz-adularia |
25a |
Hot-Spring Au-Ag |
Creede, Comstock and Sado
epithermal vein |
1865 |
1988-1994 |
2,559 |
3 |
2 |
no |
no |
no |
|
Pegasus Gold 1989-1994 SEC Form
10K |
1993 |
13,327 |
14 |
unk |
no |
no |
no |
|
Pegasus Gold 1993 SEC Form 10K |
Porphyry Dike, Venus |
Pegasus Gold |
HTSG |
NR28 |
01 |
Thunder Mountain |
Thunder Mountain |
Valley |
ID |
-115.142 |
44.958 |
25a |
Hot spring Au-Ag |
|
|
|
1896 |
1896-1990 |
unk |
5 |
8 |
no |
no |
no |
|
USMX 1995 SEC Form 10K |
1995 |
4,799 |
8 |
unk |
no |
no |
no |
|
USMX 1995 SEC Form 10K |
|
Dakota Mining |
HTSG |
NR28 |
02 |
Grouse Creek |
Yankee Fork |
Custer |
ID |
-114.736 |
44.439 |
25a |
Hot spring Au-Ag |
25c |
Epithermal vein, Comstock |
|
by 1967 |
1994-1996 |
2,752 |
4 |
26 |
no |
no |
no |
|
Hecla 1996 SEC Form 10K |
1996 |
6,140 |
7 |
196 |
no |
no |
no |
|
|
|
Hecla |
HTSG |
NR28 |
03 |
Champagne |
Lava Creek |
Butte |
ID |
-113.571 |
43.594 |
25a |
Hot spring Au-Ag |
25c |
Epithermal vein, Comstock |
|
1883 |
1886-1993 |
3,346 |
2 |
27 |
neg |
neg |
1 |
|
Anderson, 1929; USBM Minerals
Yearbook 1937-49; Glamis Gold 1987-88 SEC Form 20F; Bema Gold 1991-93 SEC Form 20F |
|
|
|
|
|
|
|
|
|
Reserves depleted. |
Idaho Gold |
HTSG |
NR30 |
01 |
Hog Heaven (Flathead) |
Hog Heaven (Flathead) |
Flathead |
MT |
-114.582 |
47.923 |
25a |
Hot spring Au-Ag (Pb) |
|
|
|
1913 |
1928-1975 |
260 |
0.1 |
214 |
neg |
15 |
no |
|
Lange and others, 1996 |
1994 |
12,086 |
7.9 |
1,778 |
unk |
unk |
unk |
|
Randol 1996 |
Includes West Flathead |
Pan American Silver |
HTSG |
NR30 |
02 |
McDonald |
Seven-Up Pete |
Lewis and Clark |
MT |
-112.525 |
47.000 |
25a |
Hot spring Au-Ag |
|
Epithermal vein, quartz-adularia |
|
1986 |
|
no |
no |
no |
no |
no |
no |
|
|
1997 |
584,400 |
321 |
unk |
no |
no |
no |
|
Canyon Resources 1997 SEC Form
10K |
|
Canyon Resources |
SCU1 |
NR37 |
01 |
Troy (Spar Lake) |
Noxon |
Lincoln |
MT |
-115.860 |
48.230 |
30b |
Sediment-hosted Cu, Revett |
|
|
Sediment-hosted Cu |
1964 |
1981-1993 |
30,611 |
no |
1,379 |
177 |
no |
no |
|
Asarco 1981-93 SEC Form 10K |
1993 |
10,883 |
no |
530 |
71 |
no |
no |
|
Asarco 1993 SEC Form 10K |
Mine idle since 1993. |
Asarco |
SCU1 |
NR37 |
02 |
Montanore (Rock Lake, Noxon) |
Noxon |
Sanders |
MT |
-115.640 |
48.080 |
30b |
Sediment-hosted Cu, Revett |
|
|
Sediment-hosted Cu |
1983 |
|
no |
no |
no |
no |
no |
no |
|
|
|
136,000 |
neg |
9,331 |
1,061 |
no |
no |
|
SEGN#6; E/MJ 3/1989 |
|
Noranda |
SCU1 |
NR37 |
03 |
Rock Creek |
Noxon |
Sanders |
MT |
-115.660 |
48.070 |
30b |
Sediment-hosted Cu, Revett |
|
|
Sediment-hosted Cu |
1963 |
|
no |
no |
no |
no |
no |
no |
|
|
|
130,417 |
neg |
9,837 |
1,043 |
no |
no |
|
McCulloch, 1992 |
|
Asarco |
SCU1 |
NR37 |
04 |
Snowstorm |
Hunter |
Shoshone |
ID |
-115.733 |
47.467 |
30b |
Sediment-hosted Cu, Revett |
|
|
Sediment-hosted Cu |
by 1901 |
1904-1943 |
750 |
neg |
128 |
25 |
no |
no |
|
Mitchell and Bennett, 1983 |
|
|
neg |
138 |
26 |
no |
no |
|
E. Bennett, pers. commun., 1993 |
|
|
SEDX |
NR39 |
01 |
Sheep Creek |
|
Meagher |
MT |
-110.680 |
46.750 |
31a |
Sedimentary exhalative Zn-Pb
(Cu-Co rich) |
24b |
Massive sulfide, Besshi |
Sedimentary exhalative Zn-Pb-Ag |
1988 |
|
no |
no |
no |
no |
no |
no |
|
|
1994 |
8,500 |
unk |
unk |
272 |
unk |
unk |
0.1% Co |
Randol 1996 |
|
Cominco |
SEDX |
NR40 |
01 |
Triumph |
Warm Springs |
Blaine |
ID |
-114.284 |
43.665 |
31a |
Sedimentary exhalative Zn-Pb |
19a |
Polymetallic replacement and
veins |
Polymetallic vein and
replacement |
1864 |
1916-1958 |
1,585 |
2 |
396 |
2 |
67 |
85 |
|
USBM Minerals Yearbooks 1916-58;
USBM Production Data; Kiilsgaard, 1950 |
|
1,500 |
3 |
402 |
unk |
62 |
82 |
|
|
|
Triumph Minerals |
MVTD |
NR43 |
03 |
Van Stone |
Northport |
Stevens |
WA |
-117.757 |
48.761 |
32 |
Mississippi Valley |
|
Irish Sedex Pb-Zn |
Mississippi Valley-type Pb-Zn |
1913 |
1952-1993 |
>2,287 |
neg |
neg |
neg |
13 |
94 |
|
Cox, 1968; Equinox Resources
Annual Reports, 1990-92; AMH 1995 |
1992 |
2,096 |
no |
no |
no |
22 |
118 |
|
Equinox Resources 1992 Annual
Report |
|
Zicor |
MVTD |
NR43 |
01 02 |
Pend Oreille |
Metaline |
Pend Oreille |
WA |
-117.360 |
48.882 |
32 |
Mississippi Valley |
|
Irish Sedex Pb-Zn |
Mississippi Valley-type Pb-Zn |
by 1869 |
1906-1977 |
17,486 |
neg |
>11 |
neg |
198 |
443 |
Cadmium |
Fulkerson and Kinston, 1958;
McConnel and Anderson, 1968; Gulf Resources & Chemical SEC Form 10Ks 1973-77 |
1995 |
5,900 |
no |
unk |
unk |
71 |
443 |
|
Cominco 1996 Annual Report |
Production for entire district. Resource for Yellowhead zone. |
Cominco |
HMAS |
NR47 |
01 |
South Pass - Atlantic City |
South Pass - Atlantic City |
Fremont |
WY |
-108.700 |
42.500 |
36a |
Low-sulfide Au-quartz vein,
Archean |
|
|
Low-sulfide Au-quartz vein |
1867 |
1867-1958 |
>39 |
9 |
unk |
neg |
neg |
no |
|
Bayley and others, 1973; Hausel, 1991; USBM
Production Data |
1995 |
91 |
1 |
unk |
unk |
unk |
unk |
|
NM 1/9/95 |
Resource at Carissa mine. |
Hol-Lac Gold - Carissa Mining |
HMAS |
NR48 |
01 |
Mineral Hill |
Sheepeater (Jardine) |
Park |
MT |
-110.620 |
45.080 |
35b |
Homestake stratiform Au |
|
|
Stratabound Au in iron
formations |
1870 |
1899-1995 |
1,916 |
14 |
1.0 |
neg |
neg |
no |
Arsenic, tungsten |
Seager, 1944; USBM Minerals
Yearbooks 1932-43; Inco 1989-90 SEC Form 10K; TVX Gold 1991-96 SEC Form 20F |
1995 |
1,295 |
12 |
unk |
no |
no |
no |
|
TVX Gold 1995 SEC Form 20F |
Production of silver for 1989 to 1995 not reported. |
TVX Gold |
HMAS |
NR49 |
01 |
Homestake |
Whitewood |
Lawrence |
SD |
-103.770 |
44.360 |
35b |
Homestake stratiform Au |
|
|
Stratabound Au in iron formation |
1876 |
1876-1997 |
>148,300 |
1,249 |
>280 |
no |
no |
no |
Tungsten |
Slaughter, 1968; Homestake
Annual Reports and SEC Form 10K, 1966-1997 |
1997 |
12,314 |
87 |
unk |
no |
no |
no |
|
Homestake 1997 SEC Form 10K |
|
Homestake |
HMAS |
NR49 |
02 |
Cloverleaf (Uncle Sam, Anaconda) |
Roubaix |
Lawrence |
SD |
-103.650 |
44.283 |
35b |
Homestake stratiform Au |
|
|
Stratabound Au in iron formation |
1878 |
1878-1937 |
200 |
1 |
neg |
no |
no |
no |
|
Allsman, 1940 |
1991 |
unk |
>12.4 |
unk |
no |
no |
no |
|
AMH 1996, entry for Pima Mining |
Production estimated. |
Pima Mining NL |