California · Alameda County
Producer

Camp 9 Merchant, Cummings

Alameda County, California, United States
Manganese
⌖ Show on mapUSGS source ↗
Commodities
PrimaryManganese
Commodity typeM
Deposit
Deposit sizeS
Materials
Ore mineralsRhodochrosite
Geology
Host rockChert · Franciscan Complex
Economic & production
Development statusProducer
Discovery year1888
Identification
Deposit ID10109078
MRDS IDM004659
RegionNA
Data scoreC
Coordinates37.6013, -121.65131
References
CALIF. JOUR. MINES & GEOL. V. 46, NO.2, APRIL 1950, P.343, PL. 58DOM BULL. 125, P.96BULL. 152, P.17-18