Mine detail: Round Valley Mine

Previously called 'Silver BallLittle ShotTungsten Hill Mine Dmea-2256Silver BellBig ShotNobl* CampHacoWestern Tungsten Mine'

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Location

Lat / long: 37.37854, -118.55514

Resource(M)

Tertiary: Tungsten
Other material: Calcite, Garnet, Quartz, Scheelite
Discovery year: 1917

Production

Operation type: Surface-Underground
Development status: Past Producer

Geology

References

MRDSD000863
MAS60270009
DEP10163900
Reference{Deposit:: DMEA-4614}{Deposit:: U. S. GEOLOGICAL SURVEY BULLETIN 922-Q, 1940, P. 511-514.}{Deposit:: CALIF. JOUR. MINES AND GEOL., V. 46, 1950, P. 39-40.}{Deposit:: CALIF. JOUR. MINES AND GEOL., V. 47, 1951, P. 94-95.}
ReporterWestern Field Operations Center (WFOC)