Mine detail: Twin Brothers Mine

Previously called 'Twin Sisters Mine'

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Location

Lat / long:

45.54519, -113.92342

Resource(M)

Primary:	Gold
Tertiary:	Copper, Lead, Silver
Ore:	Chalcopyrite
Gangue:	Pyrite, Quartz

Production

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

Geology

Host rock:	Yellowjacket Formation
Host type:	Quartzite

References

MRDS	W013289
MAS	160590635
DEP	10070386
Reference	{Deposit:: Mackenzie, 1949, U Of Id Ms Thesis}{Deposit:: Umpleby, J. B., 1913, U.S. Geological Survey Bulletin 528, P. 133-134.}{Deposit:: Mining And Scientific Press, 1912, Vol. 105, P. 47-49.}{Deposit:: U.S. Bureau Of Mines Open-File Report MLA 93-25, 1993, P. 18-20.}{Production:: Umpleby, J. B., 1913, USGS Bulletin 528, 82 P.}
Reporter	Loen, Jeffrey S. (Pearson, Robert C.), Bainbridge, Terri L.; Miller, Pat, Mayerle, Ronald T.