Mine detail: Steward Mine

Previously called ''

<< Back to the map

Location

Lat / long:

46.01879, -112.53645

Resource(B)

Primary:	Copper, Silver, Gold
Secondary:	Zinc
Tertiary:	Barium-Barite, Arsenic, Fluorine-Fluorite
Ore:	Bornite, Chalcocite, Chalcopyrite, Enargite, Sphalerite, Tennantite
Gangue:	Pyrite, Quartz
Discovery year:	1879

Production

Operation type:	Unknown
Production size:	Small
Development status:	Past Producer
First production started:	1880

Geology

Host rock:	Aplite
Host type:	Quartz Monzonite
Associated rock:	Butte Quartz Monzonite (Boulder Batholith)(Boulder Batholith) (Boulder Batholith)
Associated type:	Quartz Monzonite,Granite
Structure:	Boulder Batholith, Rarus Fault
Alteration processes:	Main Stage Hydrothermal Alteration

References

MRDS	W013417
DEP	10070471
Reference	{Deposit:: MILLER, R. N., ED., 1973, GUIDEBOOK FOR THE BUTTE FIELD MEETING, PRESENTED BY THE SOCIETY OF ECONOMIC GEOLOGISTS.}{Deposit:: USGS PP 74, P. 147-51.}{Deposit:: MBMG BULL 109, P. 20}{Production:: USGS PP 74.}
Reporter	Mlynarczyk, Meg S.; Krohn, D., Wise, Kristine K. (Elliott, James E.)