The Black Rock Mine is a tungsten mine located in Mono county, California at an elevation of 6,401 feet.
About the MRDS Data:
All mine locations were obtained from the USGS Mineral Resources Data System. The locations and other information in this database have not been verified for accuracy. It should be assumed that all mines are on private property.
Mine Info
Elevation: 6,401 Feet (1,951 Meters)
Commodity: Tungsten
Lat, Long: 37.68333, -118.51667
Map: View on Google Maps
Satelite View
MRDS mine locations are often very general, and in some cases are incorrect. Some mine remains have been covered or removed by modern industrial activity or by development of things like housing. The satellite view offers a quick glimpse as to whether the MRDS location corresponds to visible mine remains.
Black Rock Mine MRDS details
Site Name
Primary: Black Rock Mine
Commodity
Primary: Tungsten
Tertiary: Copper
Tertiary: Molybdenum
Location
State: California
County: Mono
Land Status
Not available
Holdings
Not available
Workings
Type: Surface/Underground
Ownership
Owner Name: Union Carbide Nuclear Corp.
Owner Name: Wah Chang Mining Corp.
Production
Not available
Deposit
Record Type: Site
Operation Category: Producer
Operation Type: Unknown
Year First Production: 1928
Discovery Year: 1917
Years of Production:
Organization:
Significant: N
Deposit Size: M
Physiography
Not available
Mineral Deposit Model
Not available
Orebody
Form: IRREGULAR
Structure
Type: R
Description: Sierra Nevada Batholith
Alterations
Alteration Type: L
Alteration Text: Formation Of Tactite; Bleaching
Rocks
Not available
Analytical Data
Not available
Materials
Ore: Chalcopyrite
Ore: Molybdenite
Ore: Scheelite
Gangue: Quartz
Gangue: Diopside
Gangue: Epidote
Gangue: Garnet
Gangue: Calcite
Gangue: Pyrrhotite
Comments
Comment (Reserve-Resource): LARGE UNEXPLORED AREAS. MUST USE HIGH COST UNDERGROUND METHODS.
Comment (Production): FROM 82,394 TONS ORE
Comment (Development): ECON.COM: LOW GRADE
Comment (Workings): SEVERAL OPEN CUTS-THE LARGEST OF WHICH IS 450X300 FT. IN PLAN.
Comment (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.
References
Reference (Deposit): LEMMON, D.M., UNPUBLISHED DATA.
Reference (Deposit): LEMMON, D.M., AND TWETO, O.L., 1962, TUNGSTEN IN THE U.S., USGS MAP, MR-25.
Reference (Deposit): 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.
Reference (Deposit): 1941 DIREXPL USBM
Reference (Deposit): 1953 GEOLMAP RINEHART AND ROSS, REPT., MAPS.
California Gold
"Where to Find Gold in California" looks at the density of modern placer mining claims along with historical gold mining locations and mining district descriptions to determine areas of high gold discovery potential in California. Read more: Where to Find Gold in California.
