Commodities
PrimaryCopper, Zinc
SecondarySilver, Lead, Gold
Commodity typeM
Deposit
Deposit typeReplacement
Deposit sizeS
WorkingsUnderground
Orebody formLENTICULAR
Ore controlFault Zone; Ore Body Formed Along Portion Of Fault Surface Where Dip Is Relatively Low, Ore Pinches Out Where Dip Approaches Higher Angles.
Materials
Ore mineralsAntimony, Chalcopyrite, Galena, Pyrite, Sphalerite
GangueBarite
Geology
Host rockGreenstone
StructureFault; East-Dipping High-Angle, With Numerous Subsidiary Spur Faults On Hanging Wall. Several Cross Faults Offsetting The "Footwall Fault", As Well As The Ore.
AlterationPyritization, Oxidation Apparent For 36 Ft. Below Surface.
Economic & production
Development statusPast Producer
Production years1942 - 1944
Identification
Deposit ID10102615
MRDS IDM005717
Alternate namesBlood
RegionNA
Data scoreB
Coordinates37.92185, -120.71684
References
GOODWIN, J.G., 1957 , LEAD AND ZINC IN CALIFORNIA; CALIF. JOUR. MINES AND GEOLOGY; VOL. 53 NO. 354 , P. 427 .HEYL, G.R., 1948 , ZINC-COPPER MINES OF THE QUAIL HILL AREA, CALAVERAS COUNTY, CALIFORNIA; COPPER IN CALIFORNIA BULL. 144 , DIV. OF MINES, P. 124 - 125.GOODWIN, J.G., 1957 , P. 427 (SEE REF.)