Montana · Silver Bow County
Past Producer

Modoc Mine

Silver Bow County, Montana, United States
SilverCopperGold
⌖ Show on mapUSGS source ↗
Commodities
PrimarySilver, Copper
SecondaryGold
Commodity typeM
Deposit
Deposit sizeS
Orebody formLENSES, SHOOTS
Materials
Ore mineralsBornite, Chalcocite, Chalcopyrite
GanguePyrite, Quartz
Geology
Host rockQuartz Monzonite,Rhyolite
Associated rockQuartz Monzonite,Rhyolite · Boulder Batholith, Butte Quartz Monzonite
AlterationPyritized
Economic & production
Development statusPast Producer
Identification
Deposit ID10014487
MRDS IDD011286
RegionNA
Data scoreC
Coordinates46.0249, -112.50922
References
USGS PP 74, P. 216