Mine detail: Broadgauge - Tamarack Mines

Previously called ''

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Location

Lat / long:

45.48101, -112.13115

Resource(M)

Primary:	Gold, Silver
Gangue:	Pyrite
Discovery year:	1875

Production

Operation type:	Unknown
Production size:	Yes
Development status:	Producer

Geology

Host rock:	Cherry Creek Series, Limestone-Gneiss
Host type:	Gneiss,Limestone
Associated rock:	Quartz Monzonite Outlier Of Tobacco Root Batholith
Associated type:	Quartz Monzonite
Structure:	Tobacco Root Batholith, Fractures Trending E-W, 30 E, (The Tamarack Vein), Regional Joint System Trends N30e, 45w (Broadgauge Vein)
Alteration processes:	Silicification, Ore Is Completely Oxidized

References

MRDS	W013405
DEP	10070462
Reference	{Deposit:: MBMG MEM 9.}{Deposit:: USBM IC 6972.}{Deposit:: LAWSON, 1974, DIRECTORY OF MINING ENTERPRISES FOR 1974. MT. BUREAU OF MINES & GEOLOGY BULL. 95.}{Deposit:: MBMG MEM 41, P. 17.}{Production:: LORAIN, 1937, U. S. B. M. INF. CIRC. 6972.}
Reporter	Mlynarczyk, Meg S.; Krohn, D., Loen, Jeffrey S. (Pearson, Robert C.)