Montana · Beaverhead County
Past Producer
Greenstone Mine
Beaverhead County, Montana, United States
Copper
Silver
Gold
Tungsten
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USGS source ↗
Commodities
Primary
Copper, Silver
Secondary
Gold, Tungsten
Commodity type
M
Deposit
Deposit size
S
Workings
Surface/Underground
Ore control
Tactite Zone, Shear Zone
Materials
Ore minerals
Powellite, Scheelite
Gangue
Calcite, Epidote, Garnet, Quartz, Talc
Geology
Host rock
Limestone · Amsden
Associated rock
Quartz Monzonite · Pioneer Batholith
Structure
Humbolt Mtn. Anticline-East Flank, Pioneer Batholith
Alteration
Gouge, Oxidation
Economic & production
Development status
Past Producer
Identification
Deposit ID
10102054
MRDS ID
DC11917
Region
NA
Data score
B
Coordinates
45.41296, -112.80339
References
USGS BULL 574, P. 63.USBM RI 5552, P. 19-22.MBMG BULL 85, P. 89-91.1914 RECON WINCHELL, A.N., U.S.G.S. BULL 5741960 RECON U.S. BUREAU OF MINES, R.I. 55521972 COMPILE M.B.M.G. BULL. 82