California · Alameda County
Past Producer
Nelson Lease
Alameda County, California, United States
Manganese
Silica
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USGS source ↗
Commodities
Tertiary
Manganese, Silica
Commodity type
M
Materials
Other materials
Chert, Jasper, Psilomelane, Pyrolusite
Economic & production
Development status
Past Producer
First production
1917
Discovery year
1916
Identification
Deposit ID
10138710
MRDS ID
M004660
Alternate names
Bailey Mine, Bailey,Newhall
Region
NA
Data score
C
Coordinates
37.60411, -121.63353
References
CDMG BULLETINS: #76,1918;#152,1950; #140,1948