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Mine detail: Ajax Mine
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North America
United States
Montana
Jefferson
Previously called 'Big Four'
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Location
Lat / long:
46.10462, -112.18421
Resource(M)
Primary:
Lead, Zinc
Secondary:
Silver, Gold, Copper
Tertiary:
Arsenic, Antimony
Ore:
Covellite, Galena, Sphalerite, Tetrahedrite
Gangue:
Anglesite, Pyrite, Quartz
Production
Operation type:
Unknown
Production size:
Small
Development status:
Past Producer
Geology
Host type:
Quartz Monzonite
Associated rock:
Butte Quartz Monzonite (Boulder Batholith)
Associated type:
Quartz Monzonite
Structure:
Boulder Batholith
References
MRDS
D007119
DEP
10011925
Reference
{Deposit:: MBMG BULL 30, P. 26.}{Deposit:: MBMG BULL 16, P. 38, 99.}{Production:: MBMG BULL 16, P. 38.}
Reporter
Wise, Kristine K. (Elliott, James E.)