Mine detail: Sunny Corner Mine

Previously called 'SunnyMilburn'

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Location

Lat / long:

45.91351, -112.04531

Resource(M)

Primary:	Gold, Silver, Copper, Lead
Secondary:	Zinc
Ore:	Chalcopyrite, Galena
Gangue:	Pyrite, Quartz

Production

Operation type:	Unknown
Production size:	Small
Development status:	Past Producer
First production started:	1925

Geology

Host rock:	Greyson Shale
Host type:	Shale
Associated rock:	Latite Porphyry
Associated type:	Latite
Structure:	West Bull Mtn. Block, Discordant Latite Intrusion, Ne And Nw Trending Folds And Faults
Tectonic:	Laramide Fold-Thrust Belt
Alteration processes:	Oxidation, Wallrock Replacement

References

MRDS	DC11054
DEP	10019652
Reference	{Deposit:: MBMG BULL 16.}{Deposit:: ALEXANDER, R.G. 1955, GEOLOGY OF THE WHITEHALL AREA, MONTANA: YELLOWSTONE - BIGHORN RESEARCH PROJECT, CONTRIBUTION 195}{Deposit:: CONSV. DIV. COMP. DATE, 12-21-1961}{Deposit:: 1960 RECON MBMG BULLETIN 16}
Reporter	Unknown, Loen, Jeffrey S. (Pearson, Robert C.)