Idaho · Adams County
Past Producer

Frenchy's Mine

Adams County, Idaho, United States
CopperGoldMolybdenumSilver
⌖ Show on mapUSGS source ↗
Description

Arthur David

Commodities
PrimaryCopper
TertiaryGold, Molybdenum, Silver
Commodity typeM
Deposit
Deposit typeVein
Deposit sizeS
WorkingsUnderground
Orebody formSHATTERED, BANDED, BUNCHES,
Ore controlFissure
Materials
Ore mineralsQuartz, Chalcopyrite, Gold, Molybdenite
GangueCalcite, Iron, Pyrite
Geology
Host rockAndesite,Granite
Associated rockAndesite · Seven Devils Volcanics-Tuffaceous Andesite
StructureGouge Seam
Tectonic settingIsland Arc Volcanic Chain
AlterationEpidotization
Economic & production
Development statusPast Producer
Discovery year1880
Identification
Deposit ID10070215
MRDS IDW012966
Alternate namesTrenchy's, Great Eastern, John D., Henry Ford, Rocky Fellow
RegionNA
Data scoreB
Coordinates45.09517, -116.6252
References
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 - 351920 Compile Idaho Bureau Of Mines And Geol., BulletinV.E. Mitchell, Et. Al; Mines And Prospects Map Series, 1981, Grangeville Quad, Location No. 183Livingston, D. C., And Laney, F. B., 1920, Idaho Bureau Of Mines And Geology Bulletin 1, 105 P.