| Deposit ID | 10019759 |
|---|---|
| MRDS ID | DC11403 |
| Record type | Site |
| Current site name | Blue Grass Mine |
| Geographic coordinates: | -112.97478, 45.15962 (WGS84) |
|---|---|
| Elevation | 1829 |
| Relative position | 1 MILES EAST OF BANNACK |
Political divisions (FIPS codes)
Beaverhead(county)
Montana(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Bannack(quadrangle 1:24,000 scale)
Dillon(quadrangle 1:100,000 scale)
Dillon(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Beaverhead(hydrologic unit)
Missouri Headwaters(hydrologic accounting unit)
Missouri Headwaters(hydrologic subregion)
Missouri(hydrologic region)
Federal lands
Bureau of Land Management(Bureau of Land Management MT)
Bureau of Land Management MT BLM(Type of land area)
BLM(Federal land areas administered by BLM)
| Country | State | County |
|---|---|---|
| United States | Montana | Beaverhead |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| Montana Principal | 008S | 011W | 05 | SW OF SE | Montana |
| Commodity | Importance |
|---|---|
| Gold | Primary |
| Silver | Primary |
| Tellurium Critical | Tertiary |
| Materials | Type of material |
|---|---|
| Tetradymite | Ore |
| Calcite | Gangue |
| Epidote | Gangue |
| Garnet | Gangue |
| Pyrite | Gangue |
| Quartz | Gangue |
| Specularite | Gangue |
| Host or associated | Associated | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Rock type | Plutonic Rock > Mafic Intrusive Rock > Diorite | ||||||||
| Rock unit name | Bannack Stock | ||||||||
| Rock description | Bannack Stock | ||||||||
| |||||||||
| Host or associated | Host |
|---|---|
| Rock type | Sedimentary Rock > Carbonate > Limestone |
| Rock unit name | Madison |
| Rock description | Madison |
| (1) | -112.97478, 45.15962 |
|---|
| Type of structure | Local |
|---|---|
| Structure description | Overthrust Fault Zone Is Exposed In Mine. Dike Trends N50e; 60n. |
| Width | 8046.5M |
|---|
| Development status | Past Producer |
|---|---|
| Commodity type | Metallic |
| Deposit size | Small |
| Significant | No |
| Discovery year | 1863 |
| Year of first production | 1863 |
| Production years | PRE-1930 |
| District name | Bannack District |
|---|
| Ownership category | Private |
|---|
| Type | Owner |
|---|---|
| Owner | New York-Montana Co. |
| First year | 1942 |
| Type of workings | Surface/Underground |
|---|---|
| Length | 40M |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | DC11403 |
MBMG BULL 6, P. 42-43.
MBMG BULL 85, P. 81-83.
1931 COMPILE M.B.M.G. BULL. 6
1972 COMPILE M.B.M.G. BULL. 85
| Subject category | Comment text |
|---|---|
| Deposit | REPLACEMENT VEINS AVERAGE 1 METER IN WIDTH AND LOCALLY ATTAIN 5 METERS. VEINS ARE NOT CONTINUOUS ALONG THE CONTACT. |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-MAR-1974 | Unknown | U.S. Geological Survey | |
| Updater | 01-JUL-1980 | Loen, Jeffrey S. (Pearson, Robert C.) | U.S. Geological Survey |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.