Mine detail: French* Mine

Previously called 'Trench*Great EasternJohn D.Henry FordRocky Fellow'

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Location

Lat / long: 45.09517, -116.6252

Resource(M)

Primary: Copper
Tertiary: Gold, Molybdenum, Silver
Ore: Quartz, Chalcopyrite, Gold, Molybdenite
Gangue: Calcite, Iron, Pyrite
Orebody form: SHATTERED, BANDED, BUNCHES,
Discovery year: 1880

Production

Operation type: Underground
Deposit type: Vein
Production size: Small
Development status: Past Producer

Geology

Host type:Andesite,Granite
Associated rock:Seven Devils Volcanics-Tuffaceous Andesite
Associated type:Andesite
Structure:Gouge Seam
Tectonic:Island Arc Volcanic Chain
Alteration processes:Epidotization

References

MRDSW012966
MAS160030042
DEP10070215
Reference{Deposit:: Livingston, D. C., And Laney, F. B., 1920, The Copper Deposits Of The Seven Devils And Adjacent Districts: Idaho Bureau Of Mines And Geology, Bulletin 1, P. 33 - 35}{Deposit:: 1920 Compile Idaho Bureau Of Mines And Geol., Bulletin}{Deposit:: V.E. Mitchell, Et. Al; Mines And Prospects Map Series, 1981, Grangeville Quad, Location No. 183}{Production:: Livingston, D. C., And Laney, F. B., 1920, Idaho Bureau Of Mines And Geology Bulletin 1, 105 P.}
ReporterMurphy, Lyn S.; Miller, Pat, Meier, M. Lorrie, Hughes, Curt A., Winters, Dick