California · Stanislaus County
Past Producer
Brinkerhoffer Mine
Stanislaus County, California, United States
Manganese
Silica
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USGS source ↗
Commodities
Tertiary
Manganese, Silica
Commodity type
M
Materials
Other materials
Chert, Pyrolusite
Economic & production
Development status
Past Producer
First production
1918
Identification
Deposit ID
10190395
MRDS ID
M020258
Region
NA
Data score
C
Coordinates
37.49632, -121.34852
References
CAL DIV.MINES AND GEOL.,BULL.152,1950