Mine detail: Nellie Grant Mine

Previously called ''

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Location

Lat / long:

46.44073, -112.20227

Resource(M)

Primary:	Gold, Silver
Secondary:	Lead, Zinc, Copper
Tertiary:	Arsenic, Antimony
Ore:	Chalcopyrite, Galena, Gold, Sphalerite, Tennantite, Tetrahedrite
Gangue:	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
Alteration processes:	Sericitization, Oxidation

References

MRDS	DC11455
DEP	10102036
Reference	{Deposit:: MBMG BULL 30, P. 24.}{Deposit:: MBMG BULL 16, P. 43, 106.}{Deposit:: MBMG BULL 14 P. 19.}{Deposit:: USGS PP 428, P. 62, PL. 1.}{Deposit:: USGS-USBM MINERAL YEARBOOKS 1958, 1960, 1965.}{Production:: MBMG BULL 16, P. 106. USGS-USBM MINERAL YEARBOOKS}
Reporter	Unknown, Wise, Kristine K. (Elliott, James E.)