Montana · Jefferson County
Past Producer
Lahey Quartz Deposit
Jefferson County, Montana, United States
Silica
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USGS source ↗
Commodities
Primary
Silica
Commodity type
M
Deposit
Deposit size
S
Orebody form
IRREGULAR
Geology
Host rock
Quartz Monzonite
Associated rock
Quartz Monzonite · Butte Quartz Monzonite(Boulder Batholith)
Structure
Boulder Batholith, Quartz Found In Core Of Pegmatite
Economic & production
Development status
Past Producer
First production
1964
Identification
Deposit ID
10089451
MRDS ID
W026539
Region
NA
Data score
B
Coordinates
46.41934, -112.06977
References
MBMG BULL 54, P. 23-6.MBMG BULL 58, P. 55.