Mine detail: Mount Gaines

Previously called 'BarfieldFrenchmanBearfield'

<< Back to the map

Location

Lat / long:

37.54132, -120.17321

Resource(M)

Primary:	Gold
Secondary:	Lead, Silver, Copper, Zinc
Ore:	Argentite, Barite, Chalcopyrite, Galena, Gold, Pyrite
Gangue:	Quartz
Orebody form:	SINNOUS
Discovery year:	1853

Production

Operation type:	Unknown
Production size:	Medium
Development status:	Past Producer

Geology

Host rock:	Penon Blanco Member (Amador Group)
Host type:	Hornfels,Andesite
Associated type:	Diorite
Alteration processes:	Shearing & Hydrothermal Alteration Along Vein Caused Development Of Schistose, Chloritic, Slate-Like Material Esp On Footwall Side Of Vein

References

MRDS	M009415
DEP	10030923
Reference	{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}
Reporter	Bowman, J. And Albers, J.