California · San Luis Obispo County
Producer
Hearst Ranch - Red Rock Deposit
San Luis Obispo County, California, United States
Manganese
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USGS source ↗
Commodities
Primary
Manganese
Commodity type
M
Deposit
Deposit type
Residual
Deposit size
S
Materials
Ore minerals
Psilomelane
Geology
Host rock
Serpentinite
Economic & production
Development status
Producer
Identification
Deposit ID
10033557
MRDS ID
M020153
Region
NA
Data score
C
Coordinates
35.6569, -121.14682
References
D.O.M. BULL. 152 1950 P. 231D.O.M. BULL. 125 1943 P. 168