Mine detail: Longfellow Mine

Previously called ''

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Location

Lat / long:

45.60268, -112.50782

Resource(M)

Primary:	Gold, Silver, Lead
Secondary:	Copper
Tertiary:	Arsenic
Ore:	Chalcopyrite, Galena
Gangue:	Quartz

Production

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

Geology

Host rock:	Pre Belt
Host type:	Gneiss
Associated type:	Granite
Structure:	Boulder Batholith
Alteration processes:	Brecciation, Oxidation

References

MRDS	DC11976
DEP	10019935
Reference	{Deposit:: USGS BULL 574, P. 131.}{Deposit:: MBMG MEM 19, P. 43.}{Deposit:: CONSV. DIV. COMP. DATE, 05-22-1963}{Deposit:: 1914 RECON WINCHELL, A.N., US GEOL SUR BULL 574}{Deposit:: 1950 GEOLMAP MBMG MEM. 19}
Reporter	Unknown, Loen, Jeffrey S. (Pearson, Robert C.)