Montana · Beaverhead County
Past Producer

Iron Mask Mine

Beaverhead County, Montana, United States
SilverCopperLeadZinc
⌖ Show on mapUSGS source ↗
Commodities
PrimarySilver, Copper, Lead
SecondaryZinc
Commodity typeM
Deposit
Deposit typeVein
Deposit sizeS
WorkingsUnderground
Ore controlFissure Zone
Materials
GangueCalcite, Quartz
Geology
Host rockDiorite
AlterationOxidation
Economic & production
Development statusPast Producer
Production years1934-35, 1942
Identification
Deposit ID10101971
MRDS IDDC09253
RegionNA
Data scoreB
Coordinates45.18879, -112.94756
References
MBMG BULL 6, P. 38-39.USGS MGI I-433BERGER, B.R., AND OTHERS, 1979, GEOCHEM. RECON.-MINING DISTRICTS IN SO. PIONEER MTNS., MONTANA: U.S.G.S. OPEN-FILE REPORT 79-1426, P. 13MBMG BULL 85, P. 101.1931 COMPILE M.B.M.G. BULL. 61965 GEOLMAP LOWELL, W.R., U.S.G.S. MAP I-4331979 RECON BERGER, B.R., U.S.G.S. OPEN-FILE 79-1426