| Deposit ID | 10012270 |
|---|---|
| MRDS ID | D007814 |
| Record type | Site |
| Current site name | Big Dick Mine |
| Alternate or previous names | Evening Star |
| Geographic coordinates: | -112.40783, 46.47629 (WGS84) |
|---|---|
| Elevation | 2073 |
| Location accuracy | 250(meters) |
| Relative position | 6 MI S OF ELLISTON. |
Political divisions (FIPS codes)
Powell(county)
Montana(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Bison Mountain(quadrangle 1:24,000 scale)
Butte North(quadrangle 1:100,000 scale)
Butte(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Upper Clark Fork(hydrologic unit)
Pend Oreille(hydrologic accounting unit)
Kootenai-Pend Oreille-Spokane(hydrologic subregion)
Pacific Northwest(hydrologic region)
Federal lands
Helena-Lewis and Clark National Forest(National Forest)
National Forest FS(Type of land area)
FS(Federal land areas administered by FS)
| Country | State | County |
|---|---|---|
| United States | Montana | Powell |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| Montana Principal | 008N | 006W | 06 | NW | Montana |
| Commodity | Importance |
|---|---|
| Gold | Primary |
| Silver | Primary |
| Lead | Primary |
| Zinc Critical | Secondary |
| Arsenic Critical | Tertiary |
| Materials | Type of material |
|---|---|
| Galena | Ore |
| Gold | Ore |
| Sphalerite | Ore |
| Pyrite | Gangue |
| Quartz | Gangue |
| Tourmaline | Gangue |
| Result | 3 OZ/TON AU, SOME UP TO 5 OZ/TON AU. |
|---|
| Host or associated | Associated | ||||||
|---|---|---|---|---|---|---|---|
| Rock type | Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite | ||||||
| Rock unit name | Elkhorn Mountain Volcanics | ||||||
| Rock description | Elkhorn Mountain Volcanics | ||||||
| |||||||
| Host or associated | Host |
|---|---|
| Rock type | Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite |
| (1) | -112.40783, 46.47629 |
|---|
| Type of structure | Regional |
|---|---|
| Structure description | Boulder Batholith |
| General form | BLANKET |
|---|---|
| Thickness | 1.07M |
| Development status | Past Producer |
|---|---|
| Commodity type | Metallic |
| Deposit size | Small |
| Significant | No |
| District name | Elliston District |
|---|
| Ownership category | National Forest |
|---|
| Type of workings | Surface/Underground |
|---|---|
| Length | 457.2M |
| Overall depth | 91.44M |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | D007814 |
MBMG BULL 98, P. 7, 10, 47.
USGS BULL 842, P. 265.
USGS BULL 527, P. 78.
USGS BULL 1151, PL. 1.
USGS BULL 842, P. 265, MBMG BULL 98, P. 47.
| Subject category | Comment text |
|---|---|
| Deposit | 2 VEINS - BIG DICK STRIKES N AND DIPS 20N. BLANKET VEIN - STRIKES E AND DIPS 20N. BLANKET VEIN CUTS THE OTHER AND IS THE MAIN SOURCE FOR THE MINE. THE FOLDING SQUEEZED AND CRUSHED THE ROCKS, OPENING THEM FOR MINERALIZING SOLUTIONS WHICH PARTLY REPLACED THEM WITH SILICA AND INTRODUCED A LITTLE GOLD-BEARING PYRITE. |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-JUL-81 | Wise, Kristine K. (Elliott, James E.) | U.S. Geological Survey |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.