Montana · Beaverhead County
Past Producer

Goldfinch Group

Beaverhead County, Montana, United States
CopperSilverLeadGoldZinc
⌖ Show on mapUSGS source ↗
Description

A. V. Clark

Commodities
PrimaryCopper, Silver, Lead, Gold
SecondaryZinc
Commodity typeM
Deposit
Deposit sizeS
WorkingsUnderground
Orebody formLENS
Ore controlLenses Localized Along Shear Zone
Materials
Ore mineralsGalena, Sphalerite
GanguePyrite, Quartz
Geology
Host rockShale · Missoula
Associated rockAndesite
AlterationOxidation, Gouge Zone
Economic & production
Development statusPast Producer
Discovery year1885
Identification
Deposit ID10070480
MRDS IDW013430
RegionNA
Data scoreB
Coordinates45.30768, -112.90061
References
MBMG BULL 851972 COMPILE M.B.M.G. BULL. 8GEACH, 1972, MBMG BULL. 85