Mine detail: Twin Peaks Mine

Previously called 'KappSpair Time MineRattlesnakeNorth Copper GroupSpare Time GroupSpare TireGolden Copper'

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Location

Lat / long:

44.95406, -114.00648

Resource(M)

Primary:	Copper, Lead
Secondary:	Silver, Gold
Tertiary:	Zinc
Ore:	Chalcopyrite, Copper, Cuprite, Galena, Malachite
Gangue:	Biotite, Chalcedony, Hematite, Pyrite, Quartz, Tourmaline
Orebody form:	BLEB, STRINGER, PODS
Discovery year:	1927

Production

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

Geology

Host rock:	Prichard Formation
Host type:	Quartzite

References

MRDS	W013494
MAS	160590366
DEP	10070526
Reference	{Deposit:: Landreth, J. O., 1964, Geology Of The Rattlesnake Creek Area, Lemhi County, Idaho: Moscow, Idaho, Univ. Of Idaho M.S. Thesis, 49 P.}{Deposit:: Campbell, A., 1947, Forty-Eighth Annual Report Of The Mining Industry Of Idaho For The Year 1946.}{Deposit:: Idaho Dept. Of Labor And Industrial Services, 1975, First Annual Report, Addendum, 95 P.}{Deposit:: Starr, R. B., 1955 Cornell University, Ms Thesis.}{Production:: (Items 8 And 9) Landreth, J.O., 1964, Univ. Of Idaho Ms Thesis, P. 45; (Item 1) Campbell, A., 1947, 48th Annual Report, P. 241.}
Reporter	Siefken, Robert R. (Miller, Pat), Buckingham, David A.