Montana · Silver Bow County
Past Producer

Leonard Mine

Silver Bow County, Montana, United States
CopperSilverTungsten
⌖ Show on mapUSGS source ↗
Commodities
PrimaryCopper
SecondarySilver
TertiaryTungsten
Commodity typeM
Deposit
Deposit sizeS
Materials
Ore mineralsChalcocite, Covellite, Enargite, Huebnerite, Tetrahedrite
GangueBarite, Pyrite, Quartz
Geology
Host rockQuartz Monzonite,Granite
Associated rockQuartz Monzonite,Granite · Butte Quartz Monzonite (Boulder Batholith)
StructureBoulder Batholith, Rarus Fault
AlterationMain Stage Alteration
Economic & production
Development statusPast Producer
First production1887
Discovery year1886
Identification
Deposit ID10070469
MRDS IDW013415
RegionNA
Data scoreB
Coordinates46.02073, -112.50506
References
MILLER, R. N., ED., 1973, GUIDEBOOK FOR THE BUTTE FIELD MEETING, PRESENTED BY THE SOCIETY OF ECONOMIC GEOLOGISTSUSGS PP 74, P. 210-15, PL. X.MBMG BULL 109, P. 19.MILLER, 1973, GUIDEBOOK FOR BUTTE FIELD MEETING