California · Amador County
Occurrence
Custer Grog Pit
Amador County, California, United States
Silica
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USGS source ↗
Commodities
Primary
Silica
Commodity type
M
Deposit
Deposit size
N
Materials
Ore minerals
Sand
Economic & production
Development status
Occurrence
Identification
Deposit ID
10028083
MRDS ID
M004884
Region
NA
Data score
C
Coordinates
38.34129, -120.91602
References
CALIF. JOUR. MINES & GEOL. V. 50, NO. 1, JAN. 1954, P.226-7, 285, PL.1