Commodities
PrimaryGold, Silver
SecondaryCopper
TertiaryLead, Zinc
Commodity typeM
Deposit
Deposit sizeS
WorkingsUnderground
Ore controlAlong Shear Zones And Elsewhere In Schistose Rks Much Finely Disseminated Pyrite Is Present These Pyritized Zones Generally Carry Some Au And Ag
Materials
Ore mineralsBismuth, Gold
GangueQuartz
Geology
Host rockGreenstone
StructureShear Zones With A Nw Trend And Steeply Dipping
Economic & production
Development statusPast Producer
Identification
Deposit ID10028623
MRDS IDM005707
Alternate namesGopher Ridge
RegionNA
Data scoreB
Coordinates37.95435, -120.74518
References
CLARK, W. B., LYDON, P. A, 1962 , MINES AND MINERAL RESOURCES OF CALAVERAS COUNTY, CALIF. COUNTY REPORT 2 ; CALIF. DIV. OF MINES AND GEOLOGY, P 132 , 155 AND PL B & DGOODWIN, J. G., 1957 , LEAD AND ZINC IN CALIF.: CALIF. DIV. MINES. VOL. 53 , NOS. 3 & 4 , P 122 & 220 .LOGAN, C. A., FRANKE, H., 1936 , MINES AND MINERAL RESOURCES OF CALAVERAS COUNTY; CALIF. JOUR. MINES AND GEOLOGY, VOL. 32 , NO. 3 ; DIV. OF MINES, P 262JENKINS, O. P., 1948 , COPPER IN CALIF.; CALIF DIV. OF MINES BULL 144 PG 122, AND 220CLARK, ( 1962 ) LOGAN ( 1932 )