| Deposit ID | 10071388 |
|---|---|
| MRDS ID | W014735 |
| Record type | Site |
| Current site name | Big Eight Mine |
| Alternate or previous names | Cabinet Lease |
| Related records | 10196716 |
| Geographic coordinates: | -115.99243, 48.43737 (WGS84) |
|---|---|
| Elevation | 817 |
| Relative position | ABOUT 5 MILES SW OF TROY, MONTANA |
Political divisions (FIPS codes)
Lincoln(county)
Montana(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Troy(quadrangle 1:24,000 scale)
Libby(quadrangle 1:100,000 scale)
Kalispell(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Middle Kootenai(hydrologic unit)
Kootenai(hydrologic accounting unit)
Kootenai-Pend Oreille-Spokane(hydrologic subregion)
Pacific Northwest(hydrologic region)
Federal lands
Kootenai National Forest(National Forest)
National Forest FS(Type of land area)
FS(Federal land areas administered by FS)
| Country | State | County |
|---|---|---|
| United States | Montana | Lincoln |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| Montana Principal | 031N | 034W | 19 | Montana |
| Commodity | Importance |
|---|---|
| Lead | Primary |
| Zinc Critical | Primary |
| Silver | Secondary |
| Gold | Secondary |
| Copper | Secondary |
| Cobalt Critical | Tertiary |
| Materials | Type of material |
|---|---|
| Chalcopyrite | Ore |
| Galena | Ore |
| Pyrite | Ore |
| Pyrrhotite | Ore |
| Sphalerite | Ore |
| Actinolite | Gangue |
| Calcite | Gangue |
| Chlorite | Gangue |
| Garnet | Gangue |
| Host or associated | Associated | ||||||
|---|---|---|---|---|---|---|---|
| Rock type | Plutonic Rock > Granitoid > Quartz Monzonite | ||||||
| Rock unit name | Snowstorm Dike, Metadiorite;Dry Creek Stock, Quartz Monzonite | ||||||
| Rock description | Snowstorm Dike, Metadiorite;Dry Creek Stock, Quartz Monzonite | ||||||
| |||||||
| Host or associated | Associated |
|---|---|
| Rock type | Plutonic Rock > Mafic Intrusive Rock > Diorite |
| Host or associated | Host |
|---|---|
| Rock type | Plutonic Rock > Mafic Intrusive Rock > Diorite |
| Rock unit name | Prichard Formation, Argillite, & Quartzite |
| Rock description | Prichard Formation, Argillite, & Quartzite |
| Host or associated | Host |
|---|---|
| Rock type | Metamorphic Rock > Metasedimentary Rock > Quartzite |
| (1) | -115.99243, 48.43737 |
|---|
| Type of structure | Regional |
|---|---|
| Structure description | Spar Lake Syncline, Leonia Fault |
| Type of structure | Local |
| Structure description | Local Post-Ore Fault Striking Nw, Dipping 25 Deg Ne Displaced Major Vein To Nw |
| Strike | N 22 W |
|---|---|
| Dip | VERTICAL |
| Development status | Past Producer |
|---|---|
| Commodity type | Metallic |
| Deposit size | Small |
| Significant | No |
| Discovery year | 1925 |
| District name | Troy District |
|---|
| Type | Operator |
|---|---|
| Owner | Tunstill, E. F. |
| Home office | Box 522, Troy, Mt. 59935 |
| Type | Owner |
|---|---|
| Owner | Taylor, B. R. |
| Home office | 1314 E. 43d Ave, Spokane, Wa, 99203 |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | W014735 |
JOHNS, W. M., 1970, GEOLOGY & MINERAL DEPOSITS - LINCOLN & FLATHEAD CO, MT. BUREAU MINES & GEOLOGY BULL. 79.
GIBSON, R., 1948, GEOLOGY & ORE DEPOSITS - LIBBY QUADRANGLE, U.S. GEOLOGICAL SURVEY 956.
JOHNS, 1970, MBMG BULL. 79.
| Subject category | Comment text |
|---|---|
| Deposit | Discovery Year: EARLY 1900'S |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-APR-1976 | Mlynarczyk, Meg S. | U.S. Geological Survey |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.