Montana · Jefferson County
Past Producer
Comstock Group
Jefferson County, Montana, United States
Silver
Lead
Zinc
Copper
Uranium
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USGS source ↗
Commodities
Primary
Silver, Lead
Secondary
Zinc, Copper
Tertiary
Uranium
Commodity type
M
Deposit
Deposit size
S
Workings
Surface/Underground
Ore control
Near Dacite Dike
Materials
Ore minerals
Chrysocolla, Galena, Malachite, Sphalerite
Gangue
Limonite, Pyrite, Quartz
Geology
Host rock
Granite
Associated rock
Dacite,Granite · Dacite Dike;Butte Quartz Monzonite (Boulder Batholith
Structure
Boulder Batholith, Ne Striking Dacite Dike Cuts Granite And Vein
Economic & production
Development status
Past Producer
Identification
Deposit ID
10019671
MRDS ID
DC11102
Region
NA
Data score
B
Coordinates
46.27101, -112.20921
References
MBMG BULL 16, P. 26, 28MBMG BULL 16, P. 28.