California · Santa Clara County
Prospect
Black Bear Mine
Santa Clara County, California, United States
Manganese
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USGS source ↗
Commodities
Tertiary
Manganese
Commodity type
M
Economic & production
Development status
Prospect
Discovery year
1918
Identification
Deposit ID
10237614
MRDS ID
M020183
Region
NA
Data score
D
Coordinates
37.45432, -121.51822
References
CALIF. BULLETIN 152 1950, PAGE 246BAILEY E H AND HARDEN D R 1975 USGS MIN RES MAP I-909