Mine detail: Mount Gaines

Previously called 'BarfieldFrenchmanBearfield'

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Location: Mariposa County, California, United States, North America
Lat / long: 37.54132, -120.17321
dep_id: 10030923
mrds_id: M009415
Commodity type: metallic
Major mineral: Gold
Minor mineral: Lead, Silver, Copper, Zinc
Operation type: Unknown
Production size: Medium ammount of material produced
Development status: Past Producer
ore: Argentite, Barite, Chalcopyrite, Galena, Gold, Pyrite
gangue: Quartz
orebody_fm: SINNOUS
work_type: Underground
alteration: Shearing & Hydrothermal Alteration Along Vein Caused Development Of Schistose, Chloritic, Slate-Like Material Esp On Footwall Side Of Vein
ore_ctrl: Best Ore Concentrated On East Side Of Arcuate Irregularities
Reporter: Bowman, J. And Albers, J.
hrock_unit: Penon Blanco Member (Amador Group)
hrock_type: Hornfels,Andesite
arock_type: Diorite
disc_yr: 1853
References:
  • Deposit:: 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 - 139 288
  • Deposit:: CASTELLO, W.O., 1921 , MINES AND MINERAL RESOURCES OF MARIPOSA COUNTY IN SEVENTEENTH REPORT OF THE STATE GEOLOGIST: CALIFORNIA STATE MINING BUREAU, P
  • Deposit:: LAIZURE, C. MCK., 1928 , SAN FRANCISCO FIELD DIVISION IN TWENTY-FOURTH REPORT OF THE STATE MINERALOGIST: CALIFORNIA STATE MINING BUREAU, P. 103 - 104
  • Deposit:: AUBURY, L.E., 1904 , REGISTER OF MINES AND MINERALS, MARIPOSA COUNTY CALIFORNIA: CALIFORNIA STATE MINING BUREAU, P. 12
  • Production:: BOWEN & GRAY, 1957
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