California · Alameda County
Past Producer
Beraudiere Mine
Alameda County, California, United States
Manganese
Silica
Zeolites
Iron
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USGS source ↗
Commodities
Tertiary
Manganese, Silica, Zeolites, Iron
Commodity type
B
Materials
Other materials
Chert, Limonite, Psilomelane, Quartz, Zeolite
Economic & production
Development status
Past Producer
First production
1885
Discovery year
1884
Identification
Deposit ID
10211739
MRDS ID
M004664
Region
NA
Data score
D
Coordinates
37.61931, -121.61523
References
CDMG,BULL.76,1918CDMG,BULL.152,1950CDMG.,BULL.125,1943CDMG,BULL.140