Mine detail: Spring Hill Mine

Previously called ''

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Location

Lat / long:

46.5549, -112.09671

Resource(M)

Primary:	Gold
Secondary:	Silver, Lead, Copper
Tertiary:	Arsenic
Ore:	Chalcopyrite, Galena, Gold, Pyrrhotite
Gangue:	Ankerite, Calcite, Chlorite, Garnet, Pyrite, Pyroxene, Quartz
Discovery year:	1870

Production

Operation type:	Unknown
Deposit type:	Contact Metasomatic
Production size:	Small
Development status:	Past Producer

Geology

Host rock:	Madison Group
Host type:	Diorite,Limestone
Associated rock:	Boulder Batholith
Associated type:	Diorite
Alteration processes:	Sericitation, Silicification, Chloritifaction, Carbonatization, Hydrothermal

References

MRDS	DB02096
DEP	10098026
Reference	{Deposit:: USGS BULL 527, P. 101.}{Deposit:: USGS BULL 842, P. 207-09.}{Deposit:: ECCONOMIC GEOLOGY VOL 24, NO 6, P. 544}
Reporter	Elliott, James E., Wise, Kristine K. (Elliott, James E.)