Mine detail: Tunnel Group Mine

Previously called 'VermontOregon Claims. All of New YorkIdahoParts of WashingtonMaine Claims'

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Location

Lat / long:

42.76178, -116.93067

Resource(M)

Primary:	Gold, Lead, Silver
Secondary:	Zinc, Copper
Ore:	Anglesite, Bindheimite, Bornite, Calamine, Chalcocite, Chalcopyrite, Chrysocolla, Copper, Galena, Gold, Linarite, Smithsonite, Sphalerite, Tetrahedrite
Gangue:	Calcite, Hematite, Limonite, Pyrite, Pyrrhotite, Quartz
Orebody form:	IRREGULAR
Discovery year:	1868

Production

Operation type:	Unknown
Production size:	Small
Development status:	Past Producer

Geology

Host rock:	Al Limestone, Limestone
Host type:	Schist,Limestone
Associated rock:	Basalt Unit-Basalt;Silver City Granite-Granodiorite
Associated type:	Diorite
Alteration processes:	Oxidation

References

MRDS	W007713
DEP	10069927
Reference	{Deposit:: SORENSON, R. E., 1927, THE GEOLOGY AND ORE DEPOSITS OF THE SOUTH MOUNTAIN MINING DISTRICT, OWYHEE COUNTY, IDAHO: IDAHO BUREAU OF MINES AND GEOL. PAMPHLET 22, 47 P}{Deposit:: 1927 GEOLMAP IDAHO BUREAU OF MINES & GEOL. PAMPHLET 2}
Reporter	Miller, Pat J.