California · Placer County
Past Producer
Big John
Placer County, California, United States
Gold
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USGS source ↗
Commodities
Primary
Gold
Commodity type
M
Deposit
Deposit size
S
Workings
Surface/Underground
Materials
Ore minerals
Gold
Gangue
Quartz
Geology
Host rock
Slate
Economic & production
Development status
Past Producer
Identification
Deposit ID
10101362
MRDS ID
C012296
Region
NA
Data score
C
Coordinates
39.04045, -120.91714
References
WARING, CLARENCE A., 1917 , PLACER COUNTY: REPORT 15 OF THE STATE MINERALOGIST, CALIFORNIA STATE MINING BUREAU, P. 232 - 3