Montana · Jefferson County
Occurrence
Unknown Ag Mine South Jack Mountain
Jefferson County, Montana, United States
Lead
Silver
Copper
Zinc
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USGS source ↗
Commodities
Primary
Lead, Silver
Secondary
Copper, Zinc
Commodity type
M
Deposit
Deposit size
N
Workings
Underground
Materials
Ore minerals
Galena, Sphalerite
Gangue
Pyrite, Quartz
Geology
Host rock
Quartz Monzonite
Associated rock
Quartz Monzonite · Butte Quartz Monzonite (Boulder Batholith)
Structure
Boulder Batholith
Alteration
Oxidized
Economic & production
Development status
Occurrence
Identification
Deposit ID
10012378
MRDS ID
D007980
Region
NA
Data score
D
Coordinates
46.49907, -112.00505
References
USGS PP 428, P. 69, PL. 1