Mine detail: High Ridge Mine

Previously called 'Hi-Ridge MineHighridgeHighridge Fraction'

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Location

Lat / long:

45.54212, -112.19893

Resource(M)

Primary:	Silver, Gold
Secondary:	Lead, Copper
Tertiary:	Zinc
Ore:	Gold, Silver
Gangue:	Quartz
Orebody form:	NARROW STRINGERS AND BUNCHES
Discovery year:	1880

Production

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

Geology

Host rock:	Woolsey Formation, Shales & Sandstone;Pony Formation, Gneiss;Flathead Formation
Host type:	Shale
Structure:	Several Local Faults Displace The Vein System
Tectonic:	Tobacco Root Batholith, Western Margin
Alteration processes:	Oxidation, Brecciation, Gouge

References

MRDS	W013453
DEP	10070496
Reference	{Deposit:: MBMG BULL 24.}{Deposit:: USBM IC 6972.}{Deposit:: WINCHELL, A.N., 1914, MINING DISTRICTS OF THE DILLON QUADRANGLE, MONTANA: U.S. GEOLOGICAL SURVEY BULLETIN 574, P. 157.}{Deposit:: MBMG MEM 9, P. 37.}{Deposit:: 1961 GEOLMAP MBMG BULLETIN 24}
Reporter	Mlynarczyk, Meg S.; Krohn, D., Loen, Jeffrey S. (Pearson, Robert C.)