California · Alameda County
Prospect
Alameda Co. #39
Alameda County, California, United States
Manganese
Silica
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USGS source ↗
Commodities
Tertiary
Manganese, Silica
Commodity type
M
Materials
Other materials
Psilomelane, Pyrolusite, Quartz, Rhodonite
Economic & production
Development status
Prospect
Identification
Deposit ID
10187039
Region
NA
Data score
C
Coordinates
37.59771, -121.64133
References
CALIF. JOUR. MINES & GEO. V. 46, NO.2, APR. 1950, P.345, PI.DOM BULL. 125, P.101; BULL. 152, P.26; BULL. 140, PI. 1 (G