California · Tuolumne County
Past Producer
Big Oak Flat No. 1
Tuolumne County, California, United States
Gold
Silver
Zinc
Lead
Copper
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USGS source ↗
Commodities
Primary
Gold
Secondary
Silver
Tertiary
Zinc, Lead, Copper
Commodity type
M
Deposit
Deposit size
Y
Workings
Underground
Materials
Ore minerals
Chalcopyrite, Copper, Galena, Gold, Sphalerite
Gangue
Quartz
Geology
Host rock
Granite
Economic & production
Development status
Past Producer
Identification
Deposit ID
10034513
MRDS ID
M021323
Alternate names
Conrad
Region
NA
Data score
C
Coordinates
37.82742, -120.26266
References
CRAWFORD, J. J., 1896 , THIRTEENTH REPT. OF THE STATE MINERALOGIST: CMB REPT. 13 , P 474