Mine detail: Copper State Mine

Previously called 'Hoffman Property'

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Location

Lat / long:

46.49156, -113.25648

Resource(M)

Primary:	Copper
Secondary:	Gold, Silver
Ore:	Copper, Iron
Gangue:	Quartz

Production

Operation type:	Unknown
Production size:	Small
Development status:	Past Producer
Last production ended:	1906

Geology

Host rock:	Silver Hill Formation
Host type:	Limestone
Structure:	Philipsburg Anticline, Philipsburg Batholith
Alteration processes:	Oxidation

References

MRDS	DC09370
DEP	10019278
Reference	{Deposit:: USGS PP 78, P. 260.}{Deposit:: MBMG GEOLOGIC MAP OF THE NW FLANK OF THE FLINT CREEK RANGE}{Deposit:: MBMG BULL 49, P. 13.}{Deposit:: USGS-USBM MINERAL YEARBOOKS 1927, 1930.}{Production:: USGS PP 78, P. 260. USGS-USBM MINERAL YEARBOOKS 1927, 1930}
Reporter	Unknown, Wise, Kristine K. (Elliott, James E.)