Commodities
PrimaryCopper, Zinc
SecondaryGold, Silver, Lead
Commodity typeM
Deposit
Deposit typeReplacement
Deposit sizeS
WorkingsSurface/Underground
Orebody formTABULAR
Materials
Ore mineralsChalcopyrite, Galena, Pyrite, Sphalerite, Tetrahedrite
GangueBarite, Calcite, Quartz, Sericite
Geology
Host rockSchist
StructureSchistosity Trends North, Rocks Extremely Fissile, Crinkled And Folded; Crinkles In Schistosity Plung 50 - 70 North Or South, Suggest Zone Of Shearing.
AlterationHydrothermal, Sericitization
Economic & production
Development statusPast Producer
Discovery year1890
Identification
Deposit ID10030918
MRDS IDM009407
Alternate namesBullion Hill, Blue Bell, And Bonanza
RegionNA
Data scoreB
Coordinates37.55936, -120.25516
References
BOWEN, O. E. AND CLIFFTON, G. H., 1957 , MINES AND MINERAL RESOURCES OF MARIPOSA COUNTY, CALIFORNIA; CALIF. JOUR. MINES AND GEOLOGY, VOL. 53 , NO. 1 & 2 , P. 199 - 200 .ERIC, J. H., AND COX, M. W., 1948 , ZINC DEPOSITS OF THE AMERICAN EAGLE - BLUE MOON AREA, MARIPOSA COUNTY, CALIFORNIA; COPPER IN CALIFORNIA BULL. 144 ; DIV. OF MINES, P. 142 - 144 .