California · Alameda County
Prospect
Winegar
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
Economic & production
Development status
Prospect
Discovery year
1917
Identification
Deposit ID
10211053
MRDS ID
M004695
Region
NA
Data score
C
Coordinates
37.51881, -121.54602
References
CDMG BULL 152,1950CDMG BULL.76,1918