Mine detail: Golden Leaf Group (Bannack)

Previously called 'New York-MontanaSleeping PrincessBannack'

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Location

Lat / long:

45.15518, -112.98561

Resource(M)

Primary:	Gold, Silver, Copper, Lead
Secondary:	Zinc
Ore:	Bornite, Chalcopyrite, Chrysocolla, Galena, Gold, Malachite, Melaconite, Silver, Smithsonite, Sphalerite
Gangue:	Calcite, Chlorite, Epidote, Garnet, Gypsum, Idocrase, Limonite, Magnetite, Pyrite, Quartz, Siderite, Sulfur
Orebody form:	IRREGULAR PIPES
Discovery year:	1863

Production

Operation type:	Unknown
Deposit type:	Skarn Au
Production size:	Small
Development status:	Past Producer

Geology

Host rock:	Madison
Host type:	Limestone
Associated rock:	Bannack Stock
Associated type:	Diorite
Alteration processes:	Oxidation, Intense Garnetization

References

MRDS	W007445
DEP	10090077
Reference	{Deposit:: USGS BULL 574.}{Deposit:: ENG AND MIN JOUR, V. 64.}{Deposit:: USGS MAP I-433.}{Deposit:: MBMG BULL 6, P. 41-42.}{Deposit:: 1914 COMPILE WINCHELL, A. N. - DILLON QUAD.}{Deposit:: 1931 COMPILE M.B.M.G. BULLETIN 6.}{Deposit:: 1965 GEOLMAP LOWELL, W. R. MAP OF BANNACK - GRAYLING}{Deposit:: 1972 RECON M.B.M.G. BULL. 85}{Production:: GEACH, R. D., 1972, MT. BUREAU OF MINES & GEOLOGY BULL. 85.}
Reporter	Mlynarczyk, Meg S., Loen, Jeffrey S. (Pearson, Robert C.)