Mine detail: Bismark Mine

Previously called ''

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Location

Lat / long:

45.6124, -112.04697

Resource(M)

Primary:	Gold, Copper, Molybdenum, Lead, Zinc
Ore:	Bornite, Chalcopyrite, Galena, Gold, Molybdenite, Sphalerite
Gangue:	Chrysocolla, Hematite, Limonite, Malachite, Pyrite, Quartz
Orebody form:	SMALL, NARROW SHOOTS

Production

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

Geology

Host rock:	Pony Series, Gneiss
Host type:	Gneiss
Associated rock:	Tobacco Root Quartz Monzonite;Coarse-Grained Aplite Dikes
Associated type:	Quartz Monzonite
Structure:	Tobacco Root Batholith, Fault Zones Trend N35e, 90, And N75w, 70s. Bismark Fault Trends N45 To 50w, With High Angle Dip
Alteration processes:	Oxidation

References

MRDS	DC11835
DEP	10019896
Reference	{Deposit:: USGS BULL 574, P. 171-172.}{Deposit:: TANSLEY, W., SCHAFER, P.A., AND HART, L.H., 1933, A GEOLOGICAL RECONNAISSANCE-TOBACCO ROOT MTNS., MADISON CO., MT: MT. BUREAU OF MINES AND GEOL., MEM. 9, P. 31}{Deposit:: REID, R.R., 1957, BEDROCK GEOLOGY-NORTH END OF TOBACCO RT. MTNS., MADISON CO., MT: MT. BUREAU OF MINES AND GEOL., MEMOIR 36, P. 20}{Deposit:: CONSV. DIV. COMP. DATE, 03-10-1961}{Deposit:: 1914 RECON WINCHELL, A.N., U.S.G.S. BULLETIN 57}
Reporter	Unknown, Loen, Jeffrey S. (Pearson, Robert C.)