Mine detail: Hidden Treasure

Previously called 'Hidden Treasure Group'

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Location

Lat / long:

46.78017, -113.66538

Resource(M)

Primary:	Copper, Silver, Gold
Secondary:	Lead, Zinc
Tertiary:	Arsenic
Ore:	Anglesite, Chalcocite, Chalcopyrite, Enargite, Galena, Gold, Malachite, Smithsonite, Sphalerite
Gangue:	Pyrite, Quartz
Orebody form:	IRREGULAR LENSES
Discovery year:	1879

Production

Operation type:	Unknown
Production size:	Small
Development status:	Past Producer
First production started:	1889

Geology

Host rock:	Missoula Group
Host type:	Quartzite
Structure:	Bearmouth Overthrust, Clinton Stock

References

MRDS	W007437
DEP	10069762
Reference	{Deposit:: MBMG BULL 40.}{Deposit:: MBMG BULL 8, P1 4&6, P. 33-35.}{Deposit:: PIQUETTE, J. F., 1940, GEOLOGY & ORE DEPOSITS OF THE CLINTON MINING DISTRICT: MONTANA SCHOOL OF MINES B. S. THESIS.}{Deposit:: MINING WORLD, VOL V, NO 24.}{Deposit:: USGS BULL 660, P. 227.}{Production:: MBMG BULL 8, P. 33.}
Reporter	Mlynarczyk, Meg S., Wise, Kristine K. (Elliott, James E.)