Mine detail: Bullion Mine

Previously called ''

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Location

Lat / long:

46.35601, -112.29532

Resource(M)

Primary:	Silver, Copper, Lead
Secondary:	Zinc, Gold
Tertiary:	Uranium, Antimony, Arsenic
Ore:	Chalcopyrite, Galena, Gold, Sphalerite, Tetrahedrite, Uraninite
Gangue:	Pyrite, Quartz, Siderite
Orebody form:	TABULAR, PODS
Discovery year:	1882

Production

Operation type:	Unknown
Production size:	Small
Development status:	Past Producer
First production started:	1897

Geology

Host type:	Quartz Monzonite
Associated rock:	Boulder Batholith, Butte Quartz Monzonite;Elkhorn Mountains Volcanics
Associated type:	Quartz Monzonite,Volcanic Rock (Aphanitic)
Structure:	Boulder Batholith
Tectonic:	Cordilleran Miogeosyncline
Alteration processes:	Sericitization, Pyritization

References

MRDS	W014709
DEP	10105722
Reference	{Deposit:: MBMG BULL 16, P. 25-6.101}{Deposit:: MBMG BULL 100, P. 9}{Deposit:: USGS BULL 527, P. 127.}{Deposit:: USGS BULL 1151, P. 101-3.}{Deposit:: MBMG BULL 30, P. 22}{Deposit:: USGS BULL 842, P. 295}{Production:: MBMG BULL 16.}
Reporter	Mlynarczyk, Meg S., Wise, Kristine K. (Elliott, James E.)