Commodities
PrimaryGold
SecondaryLead, Silver, Copper, Zinc
Commodity typeM
Deposit
Deposit sizeM
WorkingsUnderground
Orebody formSINNOUS
Ore controlBest Ore Concentrated On East Side Of Arcuate Irregularities
Materials
Ore mineralsArgentite, Barite, Chalcopyrite, Galena, Gold, Pyrite
GangueQuartz
Geology
Host rockHornfels,Andesite · Penon Blanco Member (Amador Group)
Associated rockDiorite
AlterationShearing & Hydrothermal Alteration Along Vein Caused Development Of Schistose, Chloritic, Slate-Like Material Esp On Footwall Side Of Vein
Economic & production
Development statusPast Producer
Discovery year1853
Identification
Deposit ID10030923
MRDS IDM009415
Alternate namesBarfield, Frenchman, Bearfield
RegionNA
Data scoreB
Coordinates37.54132, -120.17321
References
BOWEN, O.E., JR., GRAY, C.H., JR., 1957 , MINES AND MINERAL DEPOSITS OF MARIPOSA COUNTY, CALIFORNIA: CALIF. JOUR. MINES AND GEOLOGY, V. 53 , NOS. 1 AND 2 , P. 134 - 139 288CASTELLO, W.O., 1921 , MINES AND MINERAL RESOURCES OF MARIPOSA COUNTY IN SEVENTEENTH REPORT OF THE STATE GEOLOGIST: CALIFORNIA STATE MINING BUREAU, PLAIZURE, C. MCK., 1928 , SAN FRANCISCO FIELD DIVISION IN TWENTY-FOURTH REPORT OF THE STATE MINERALOGIST: CALIFORNIA STATE MINING BUREAU, P. 103 - 104AUBURY, L.E., 1904 , REGISTER OF MINES AND MINERALS, MARIPOSA COUNTY CALIFORNIA: CALIFORNIA STATE MINING BUREAU, P. 12BOWEN & GRAY, 1957