Montana · Powell County
Past Producer

Caroline and William Coleman

Powell County, Montana, United States
LeadSilverZincGoldArsenic
⌖ Show on mapUSGS source ↗
Commodities
PrimaryLead, Silver
SecondaryZinc, Gold
TertiaryArsenic
Commodity typeM
Deposit
Deposit sizeS
Materials
Ore mineralsGalena, Gold, Sphalerite
GangueAnkerite, Pyrite, Quartz
Geology
Host rockAndesite,Basalt
Associated rockAndesite,Basalt · Elkhorn Mountain Volcanics
StructureBoulder Batholith
AlterationAlteration And Replacement By Carbonate. Hydrothermal
Economic & production
Development statusPast Producer
Identification
Deposit ID10012448
MRDS IDD008087
Alternate namesWilliam Coleman, Colman Mine
RegionNA
Data scoreB
Coordinates46.3724, -112.58589
References
MBMG BULL 98, P. 19.USGS BULL 842, P. 282.MBMG MEM 34, P. 8, 22, 27.