Montana · Powell County
Past Producer
Bertha May
Powell County, Montana, United States
Lead
Silver
Zinc
Copper
Gold
Antimony
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USGS source ↗
Description
S.R. Menard
Commodities
Primary
Lead, Silver
Secondary
Zinc, Copper, Gold
Tertiary
Antimony
Commodity type
M
Deposit
Deposit size
S
Materials
Ore minerals
Chalcopyrite, Galena, Gold, Sphalerite, Tetrahedrite
Gangue
Pyrite, Quartz
Geology
Host rock
Basalt
Associated rock
Basalt · Elkhorn Mountain Volcanics
Structure
Boulder Batholith
Alteration
Hydrothermal
Economic & production
Development status
Past Producer
Discovery year
1888
Identification
Deposit ID
10097849
MRDS ID
D009418
Region
NA
Data score
B
Coordinates
46.38712, -112.57867
References
MBMG MEM 34, P. 17.MBMG BULL 98, P. 59.