Commodities
PrimaryCopper
SecondarySilver, Gold
Commodity typeM
Deposit
Deposit sizeS
WorkingsUnderground
Ore controlFractures
Materials
Ore mineralsChalcopyrite, Pyrite
GangueQuartz
Economic & production
Development statusPast Producer
Production years1863 , 1918
Discovery year1863
Identification
Deposit ID10030803
MRDS IDM009226
Alternate namesBolinas, Chetco, Pearson and Bros.
RegionNA
Data scoreC
Coordinates37.97156, -122.73245
References
AUBURY, L.E., 1908 ; COPPER RESOURCES OF CALIFORNIA BULL. 50 ; CALIF. MIN. BUR., P. 168 - 169ERIC, J.H., 1948 : COPPER IN CALIFORNIA BULL. 144 ; DIV. OF MINES, P. 264PLANCK, WM. E. VER., 1955 : MINES AND MINERAL RESOURCES OF MARIN COUNTY, CA.; CALIF. JOUR. MINES AND GEOLOGY, VOL. 51 , NO. 3 ; DIV. OF MINES, P. 279 .ERIC, J.H., 1948 .