Mine detail: Goldfinch Group

Previously called ''

<< Back to the map

Location

Lat / long:

45.30768, -112.90061

Resource(M)

Primary:	Copper, Silver, Lead, Gold
Secondary:	Zinc
Ore:	Galena, Sphalerite
Gangue:	Pyrite, Quartz
Orebody form:	LENS
Discovery year:	1885

Production

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

Geology

Host rock:	Missoula
Host type:	Shale
Associated type:	Andesite
Alteration processes:	Oxidation, Gouge Zone

References

MRDS	W013430
DEP	10070480
Reference	{Deposit:: MBMG BULL 85}{Deposit:: 1972 COMPILE M.B.M.G. BULL. 8}{Production:: GEACH, 1972, MBMG BULL. 85}
Reporter	Mlynarczyk, Meg S.; Krohn, D., Loen, Jeffrey S. (Pearson, Robert C.)