California · San Bernardino County
Producer
Stewart Mine
San Bernardino County, California, United States
Manganese
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USGS source ↗
Commodities
Primary
Manganese
Commodity type
M
Deposit
Deposit size
Y
Materials
Ore minerals
Psilomelane, Pyrolusite
Geology
Host rock
Alluvium
Economic & production
Development status
Producer
Identification
Deposit ID
10109386
MRDS ID
M020131
Region
NA
Data score
C
Coordinates
34.37615, -114.39413
References
D.O.M. BULL. 152 1950 PP. 206 - 207D.O.M. BULL. 125 1943 P. 164