Montana · Jefferson County
Past Producer
Brown Silica Deposit
Jefferson County, Montana, United States
Silica
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USGS source ↗
Commodities
Primary
Silica
Commodity type
M
Deposit
Deposit type
Unknown
Deposit size
S
Materials
Ore minerals
Quartz
Geology
Associated rock
Quartz Monzonite
Structure
Boulder Batholith
Economic & production
Development status
Past Producer
Identification
Deposit ID
10019444
MRDS ID
DC10373
Region
NA
Data score
C
Coordinates
46.40101, -112.03421
References
MBMG BULL 16, P. 86.USGS PP 428, PL. 1MBMG BULL 54, P. 17-19.MBMG BULL 54, P. 17.