Commodities
PrimaryCopper
SecondarySilver, Gold
Commodity typeM
Deposit
Deposit sizeS
WorkingsUnderground
Materials
Ore mineralsChalcocite, Chalcopyrite, Pyrite
GangueQuartz
Geology
Host rockPlutonic Rock
StructureQuartz Dike On Eastern Wall, 30 - 40 Ft. Wide, Crops Out On Surface And Is Traced Over 350 Ft.
Economic & production
Development statusPast Producer
Production years1901 , 1908
Identification
Deposit ID10077887
MRDS IDW025958
RegionNA
Data scoreB
Coordinates37.72131, -120.45489
References
AUBURY, L. E., 1908 , COPPER RESOURCES OF CALIFORNIA BULL. 50 ; CALIF. MIN. BUR., P. 250 - 251LOGAN, C. A., 1928 , SACRAMENTO FIELD DIVISION ; 24TH REPT. STATE MINERALOGIST; CALIF. MIN. BUR., P. 7.OLSEN MINE ALSOALSO IN SECS 30 31LOGAN, C. A., 1928 , P. 7 (SEE REF.)