Mine detail: Ermont Mines

Previously called 'Ermont No. 2 Ermont No. 19'

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Location

Lat / long:

45.26601, -112.91506

Resource(M)

Primary:	Gold, Copper
Secondary:	Silver
Tertiary:	Antimony
Orebody form:	IRREGULAR
Discovery year:	1926

Production

Operation type:	Unknown
Production size:	Small
Development status:	Past Producer
First production started:	1932

Geology

Host rock:	Jefferson;Three Forks
Host type:	Dolomite
Associated type:	Andesite
Structure:	East Flank Of Humbolt Mountain Anticline, Fracture Zone Containing Ore Of No. 19 Mine
Tectonic:	Near Pioneer Batholith
Alteration processes:	Strong Alteration Of Dolomite No. 2 Mine, See N85

References

MRDS	W026526
DEP	10089450
Reference	{Deposit:: KELLY, J.L., 1941 M.S. THESIS, MT SCHOOL OF MINES.}{Deposit:: MBMG BULL 85, P. 48.}{Deposit:: MBMG BULL 6, P. 69-70.}{Production:: GEACH, RD, 1972 , MINES AND MINERAL DEPOSITS (EXCEPT FUELS) BEAVERHEAD CO., MONT.}
Reporter	Mc Kenzie, Craig L.; R. B. Berg, Loen, Jeffrey S. (Pearson, Robert C.)