| Deposit ID | 10008717 |
|---|---|
| MRDS ID | D001062 |
| Record type | Site |
| Current site name | Black Rock Mine |
| Related records | 10164583 |
| Geographic coordinates: | -118.51762, 37.68327 (WGS84) |
|---|---|
| Elevation | 1951 |
| Relative position | ABOUT 25 MILES NORTHWEST OF BISHOP |
Political divisions (FIPS codes)
Mono(county)
California(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Banner Ridge(quadrangle 1:24,000 scale)
Benton Range(quadrangle 1:100,000 scale)
Mariposa(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Crowley Lake(hydrologic unit)
Mono-Owens Lakes(hydrologic accounting unit)
Northern Mojave-Mono Lake(hydrologic subregion)
California(hydrologic region)
Federal lands
Bureau of Land Management(Bureau of Land Management CA)
Bureau of Land Management CA BLM(Type of land area)
BLM(Federal land areas administered by BLM)
| Country | State | County |
|---|---|---|
| United States | California | Mono |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| Mount Diablo | 003S | 031E | 14,23 | California |
| Commodity | Importance |
|---|---|
| Tungsten Critical | Primary |
| Copper | Tertiary |
| Molybdenum | Tertiary |
| Materials | Type of material |
|---|---|
| Chalcopyrite | Ore |
| Molybdenite | Ore |
| Scheelite | Ore |
| Calcite | Gangue |
| Diopside | Gangue |
| Epidote | Gangue |
| Garnet | Gangue |
| Pyrrhotite | Gangue |
| Quartz | Gangue |
| Host or associated | Associated |
|---|---|
| Rock type | Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite |
| Host or associated | Host |
|---|---|
| Rock type | Metamorphic Rock > Metasedimentary Rock > Marble |
| (1) | Paleozoic marine rocks, undivided, unit 3 (Eastern Sierra Nevada) |
|---|
| Type of structure | Regional |
|---|---|
| Structure description | Sierra Nevada Batholith |
| General form | IRREGULAR |
|---|---|
| Strike | N |
| Dip | W |
| Length | 731.52M |
| Width | 365.76M |
| Depth to top | 0M |
| Depth to bottom | 182.88M |
| Development status | Producer |
|---|---|
| Commodity type | Metallic |
| Deposit size | Medium |
| Significant | No |
| Discovery year | 1917 |
| Discoverer | A. E. Beauregard |
| Year of first production | 1928 |
| Type | Operator |
|---|---|
| Owner | Wah Chang Mining Corp. |
| Type | Owner |
|---|---|
| Owner | Union Carbide Nuclear Corp. |
| Type of workings | Surface/Underground |
|---|---|
| Length | 4572M |
| Overall depth | 182.88M |
| Overall length | 365.76M |
| Overall width | 152.4M |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | D001062 |
LEMMON, D.M., UNPUBLISHED DATA.
LEMMON, D.M., AND TWETO, O.L., 1962, TUNGSTEN IN THE U.S., USGS MAP, MR-25.
ELLIOTT, J.E., 1971, THE MINERALOGY AND GEOCHEMISTRY OF THE TUNGSTEN DEPOSITS OF THE BLACK ROCK MINE, MONO COUNTY, CALIF., STANFORD UNIV., UNPUB. PHD THESIS, 131P.
1941 DIREXPL USBM
1953 GEOLMAP RINEHART AND ROSS, REPT., MAPS.
| Subject category | Comment text |
|---|---|
| Deposit | ORE-GRADE MINERALIZATION LOCALIZED IN WEST DIPPING LIMB OF ANTICLINE IN FAVORABLE CARBONATE BEDS. ACCESS OF W BEARING SOLUTIONS BELIEVED TO BE CONTACT OF WEST DIPPING BEDS WITH QUARTZ MONZONITE PLUTON. |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-MAY-1974 | Elliott, James E. | U.S. Geological Survey | |
| Updater | 01-NOV-1976 | Elliott, J. | U.S. Geological Survey | HOST ROCK TYPE |
| Updater | 04-OCT-1991 | Mosier, Dan | U.S. Geological Survey | CHECKED. DELETED ENTRIES FROM UNIT NAME |
| Editor | 09-JUN-1995 | Mosier, Dan | U.S. Geological Survey | AND AGE. ADDED ENTRY FROM IGNEOUS UNIT AND AGE TO ASSOCIATED ROCK TYPE AND AGE. |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.
These are landing pages for further research — the state agencies don't currently expose per-mine deep links.