Mine detail: Hidden Hand Mine

Previously called ''

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Location

Lat / long:

46.38712, -112.57867

Resource(M)

Primary:	Gold, Silver, Lead
Secondary:	Zinc, Copper
Tertiary:	Nickel, Arsenic, Antimony
Ore:	Chalcopyrite, Galena, Gold, Lead, Sphalerite, Tetrahedrite
Gangue:	Pyrite, Quartz
Orebody form:	IRREGULAR
Other material:	Boulangerite, Bournonite, Millerite
Discovery year:	1887

Production

Operation type:	Unknown
Production size:	Small
Development status:	Past Producer
First production started:	1888

Geology

Host type:	Rhyolite
Associated rock:	Elkhorn Mountain Volcanics
Associated type:	Tuff,Andesite
Structure:	Boulder Batholith
Tectonic:	South Of Montana Lineament
Alteration processes:	Silicification, Argillization, Minor Sericitization

References

MRDS	W015561
DEP	10071874
Reference	{Deposit:: MBMG BULL 30, P. 34}{Deposit:: MBMG BULL 109, P. 17}{Deposit:: MBMG MEM NO 34, P. 16, 17}{Deposit:: MBMG BULL 98, P. 23, 59}{Deposit:: USGS BULL 842, P. 280, 281}{Production:: MCCLERNAN, H. G., 1976, METALLIC MINERAL DEPOSITS OF POWELL CO., MONTANA, USGS BULL 842, P. 280.}
Reporter	Mckenzie, Craig L.; R. B. Berg, Wise, Kristine K. (Elliott, James E.)