Mine detail: Black Rock Mine

Previously called ''

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Location

Lat / long: 37.68327, -118.51762

Resource(M)

Primary: Tungsten
Tertiary: Copper, Molybdenum
Ore: Chalcopyrite, Molybdenite, Scheelite
Gangue: Calcite, Diopside, Epidote, Garnet, Pyrrhotite, Quartz
Orebody form: IRREGULAR
Discovery year: 1917

Production

Operation type: Unknown
Production size: Small
Development status: Producer
First production started: 1928

Geology

Host type:Marble
Associated type:Rhyolite
Structure:Sierra Nevada Batholith
Alteration processes:Formation Of Tactite; Bleaching

References

MRDSD001062
DEP10008717
Reference{Deposit:: LEMMON, D.M., UNPUBLISHED DATA.}{Deposit:: LEMMON, D.M., AND TWETO, O.L., 1962, TUNGSTEN IN THE U.S., USGS MAP, MR-25.}{Deposit:: ELLIOTT, J.E., 1971, THE MINERALOGY AND GEOCHEMISTRY OF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.}{Deposit:: 1941 DIREXPL USBM}{Deposit:: 1953 GEOLMAP RINEHART AND ROSS, REPT., MAPS.}
ReporterElliott, James E., Elliott, J., Mosier, Dan