Mine detail: Butte District

Previously called 'Summit Valley District'

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Location

Lat / long:

46.0249, -112.53009

Resource(B)

Primary:	Lead, Zinc, Manganese, Silver, Copper, Gold
Secondary:	Tellurium, Sulfur, Cadmium, Selenium, Calcium, Bismuth

Production

Operation type:	Unknown
Deposit type:	FISSURE VEINS, SHEAR ZONE, PLACER, PIPES, REPLACEMENTS
Production size:	Large
Development status:	Producer
First production started:	1880

Geology

Structure:	RARUS FAULT SYSTEM; ANACONDA AND BLUE VEINS (HORESETAIL VEINS), CONTINENTAL FAULT, BOULDER BATHOLITH, LEWIS AND CLARK LINEAMENT
Alteration processes:	OXIDATION, PYRITIZATION, SERICITIZATION

References

MRDS	W002663
DEP	60001622
Reference	{Deposit:: BUTTE FIELD MEETING OF THE SOCIETY OF ECO. GEOL., 1973.}{Deposit:: USGS PP 74.}{Deposit:: USGS-USBM MINERAL YEARBOOKS.}{Deposit:: MC MAHON, A.D., ET AL, 1974, THE U.S. ZINC INDUSTRY: A HISTORICAL PERSPECTIVE; U.S. BUREAU OF MINES INFO. CIRC. 8629 P. 26, 7.}{Deposit:: MILLER, R.N., 1973, PRODUCTION HISTORY OF THE BUTTE DISTRICT AND GEOLOGICAL FUNCTION, PAST AND PRESENT; IN SOC. ECON. GEOLOGISTS, BUTTE FIELD MEETING P. F-2.}{Deposit:: MEYER, CHARLES, ET AL, 1968, ORE DEPOSITS AT BUTTE, MONTANA; IN RIDGE, J.D. EO., 1968, ORE DEPOSITS OF THE U.S., 1933-1967, V. 2, P. 1373-1416.}