Commodities
PrimaryGold, Copper, Molybdenum, Lead, Zinc
Commodity typeM
Deposit
Deposit typeVein
Deposit sizeS
Orebody formSMALL, NARROW SHOOTS
Materials
Ore mineralsBornite, Chalcopyrite, Galena, Gold, Molybdenite, Sphalerite
GangueChrysocolla, Hematite, Limonite, Malachite, Pyrite, Quartz
Geology
Host rockGneiss · Pony Series, Gneiss
Associated rockQuartz Monzonite · Tobacco Root Quartz Monzonite;Coarse-Grained Aplite Dikes
StructureTobacco Root Batholith, Fault Zones Trend N35e, 90, And N75w, 70s. Bismark Fault Trends N45 To 50w, With High Angle Dip
AlterationOxidation
Economic & production
Development statusPast Producer
Identification
Deposit ID10019896
MRDS IDDC11835
RegionNA
Data scoreB
Coordinates45.6124, -112.04697
References
USGS BULL 574, P. 171-172.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. 31REID, R.R., 1957, BEDROCK GEOLOGY-NORTH END OF TOBACCO RT. MTNS., MADISON CO., MT: MT. BUREAU OF MINES AND GEOL., MEMOIR 36, P. 20CONSV. DIV. COMP. DATE, 03-10-19611914 RECON WINCHELL, A.N., U.S.G.S. BULLETIN 57