Idaho · Lemhi County
Past Producer

Twin Brothers Mine

Lemhi County, Idaho, United States
GoldCopperLeadSilver
⌖ Show on mapUSGS source ↗
Commodities
PrimaryGold
TertiaryCopper, Lead, Silver
Commodity typeM
Deposit
Deposit typeVein
Deposit sizeS
WorkingsUnderground
Materials
Ore mineralsChalcopyrite
GanguePyrite, Quartz
Geology
Host rockQuartzite · Yellowjacket Formation
Economic & production
Development statusPast Producer
Identification
Deposit ID10070386
MRDS IDW013289
Alternate namesTwin Sisters Mine
RegionNA
Data scoreB
Coordinates45.54519, -113.92342
References
Mackenzie, 1949, U Of Id Ms ThesisUmpleby, J. B., 1913, U.S. Geological Survey Bulletin 528, P. 133-134.Mining And Scientific Press, 1912, Vol. 105, P. 47-49.U.S. Bureau Of Mines Open-File Report MLA 93-25, 1993, P. 18-20.Umpleby, J. B., 1913, USGS Bulletin 528, 82 P.