Montana · Jefferson County
Occurrence
Iron Mountain Iron Deposit
Jefferson County, Montana, United States
Iron
Barium-Barite
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USGS source ↗
Commodities
Primary
Iron
Secondary
Barium-Barite
Commodity type
B
Deposit
Deposit size
N
Workings
Underground
Ore control
Brecciated Zone
Materials
Ore minerals
Hematite
Gangue
Quartz
Other materials
Barite
Geology
Host rock
Quartz Monzonite,Welded Tuff
Associated rock
Quartz Monzonite,Welded Tuff · Butte Quartz Monzonite (Boulder Batholith);Elkhorn Mountain Volcanics
Structure
Sheared Brecciated Zone Trends North, Dips Steeply East
Economic & production
Development status
Occurrence
Identification
Deposit ID
10094756
MRDS ID
DB02132
Region
NA
Data score
B
Coordinates
46.30073, -112.38728
References
USGS BULL 1151, P. 108