California · Santa Clara County
Prospect

Antonia Claim

Santa Clara County, California, United States
ManganeseSilica
⌖ Show on mapUSGS source ↗
Commodities
TertiaryManganese, Silica
Commodity typeM
Materials
Other materialsChert, Garnet, Glaucophane, Psilomelane, Pyrolusite
Economic & production
Development statusProspect
Discovery year1940
Identification
Deposit ID10213395
MRDS IDM020180
RegionNA
Data scoreD
Coordinates37.37072, -121.44272
References
CAL.DIV.MINES,BULL.152,1950(DOM), P.248.