Montana · Powell County
Past Producer
Ontario Mine
Powell County, Montana, United States
Gold
Silver
Lead
Copper
Zinc
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USGS source ↗
Commodities
Primary
Gold, Silver
Secondary
Lead, Copper, Zinc
Commodity type
M
Deposit
Deposit size
S
Workings
Underground
Materials
Ore minerals
Galena, Gold, Sphalerite
Gangue
Pyrite, Quartz
Geology
Host rock
Quartz Monzonite
Associated rock
Quartz Monzonite · Butte Quartz Monzonite (Boulder Bathoth)
Structure
Boulder Batholith
Economic & production
Development status
Past Producer
Identification
Deposit ID
10101929
MRDS ID
DB02126
Region
NA
Data score
B
Coordinates
46.42907, -112.34145
References
MBMG BULL 98, P. 14, 50.USGS BULL 527, P. 79.USGS BULL 842, P. 267.USGS BULL 1151 PL. 1.MBMG BULL 98, P. 50, USGS BULL 527, P. 79.