Montana · Deer Lodge County
Past Producer

Great Eastern Mine

Deer Lodge County, Montana, United States
GoldSilverCopperZincStoneCrushed/BrokenDolomite
⌖ Show on mapUSGS source ↗
Commodities
PrimaryGold, Silver
SecondaryCopper, Zinc, Stone, Crushed/Broken, Dolomite
Commodity typeB
Deposit
Deposit sizeS
WorkingsUnderground
Orebody formTABULAR, PODS AND LENSES
Ore controlContact Between Stock And Limestone
Materials
GangueLimonite, Quartz
Geology
Host rockLimestone · Madison Limestone
Associated rockGranite · Lost Creek Granite Stock
StructureMount Powell Batholith, Lost Creek Granite Stock
Tectonic settingCordilleran Miogeosyncline
AlterationOxidation
Economic & production
Development statusPast Producer
First production1903
Discovery year1894
Identification
Deposit ID10070446
MRDS IDW013386
Alternate namesContact Lode Diamond Placer
RegionNA
Data scoreB
Coordinates46.19906, -112.97673
References
MBMG BULL 84, P. 27, 28, 51, 52.MBMG BULL 109, P. 5.DEMA RECORDSMBMG BULL 94, P. 10, 18-19.EARLL, 1972, MBMG BULL. 84