Montana · Powell County
Past Producer
Julia Mine
Powell County, Montana, United States
Silver
Gold
Lead
Copper
Zinc
Antimony
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USGS source ↗
Description
George Mack
Commodities
Primary
Silver, Gold
Secondary
Lead, Copper, Zinc
Tertiary
Antimony
Commodity type
M
Deposit
Deposit size
S
Workings
Underground
Materials
Ore minerals
Galena, Gold, Sphalerite, Tetrahedrite
Gangue
Pyrite, Quartz
Geology
Host rock
Quartz Monzonite
Associated rock
Quartz Monzonite,Andesite · Butte Quartz Monzonite (Boulder Bathoth);Elkhorn Mountain Volcanics
Structure
Boulder Batholith
Alteration
Slight Pyritization Of Wall Rock
Economic & production
Development status
Past Producer
Discovery year
1905
Identification
Deposit ID
10015866
MRDS ID
DB02133
Region
NA
Data score
B
Coordinates
46.46573, -112.38006
References
USGS BULL 527, P. 77-8.USGS BULL 842, P. 265-66.MBMG BULL 98, P. 12.USGS BULL 1151, PL. 1.