California · Santa Clara County
Prospect
Great Expectation 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
1917
Identification
Deposit ID
10189470
MRDS ID
M020192
Region
NA
Data score
D
Coordinates
37.44962, -121.48042
References
CALIF. JOUR. MINES & GEO. V.50,NO.2, APR. 1954, P.414 D.O.M