Commodities
PrimaryCopper, Zinc
SecondaryGold, Silver, Lead
Commodity typeM
Deposit
Deposit typeReplacement
Deposit sizeS
WorkingsUnderground
Orebody formPOD/LENS
Materials
Ore mineralsChalcopyrite, Pyrite, Sphalerite
GangueBarite, Calcite, Chlorite, Quartz
Geology
Host rockGreenstone,Schist,Felsic Volcanic Rock
Associated rockDiabase
StructureFolds, Faults
AlterationSericitization, Kaolinization, Silicification, And Pyritization.
Economic & production
Development statusPast Producer
Production years1888 - 1916 , 1917 - 1945
Identification
Deposit ID10102614
MRDS IDM005704
Alternate namesEagle
RegionNA
Data scoreB
Coordinates37.96102, -120.75018
References
CLARK, W. B. AND LYDON, P. A., 1962 , MINES AND MINERAL RESOURCES OF CALAVERAS COUNTY, CALIFORNIA; COUNTY REPORT 2 ; CALIF. DIV. MINES AND GEOLOGY, P. 31 - 32 .HEYL, G. R., 1948 , ZINC - COPPER MINES OF THE QUAIL HILL AREA, CALAVERAS COUNTY, CALIFORNIA; COPPER IN CALIFORNIA BULL. 144 ; DIV. OF MINES, P. 112 - 122 .HEYL, G. R., 1948 , P. 114 (SEE REF.)