Montana · Madison County
Past Producer

Mammoth Mine

Madison County, Montana, United States
CopperGoldSilver
⌖ Show on mapUSGS source ↗
Commodities
PrimaryCopper, Gold, Silver
Commodity typeM
Deposit
Deposit typeVein
Deposit sizeS
WorkingsUnderground
Orebody formLENTICULAR
Ore controlFissure Intersections, Falt Zone
Materials
Ore mineralsChalcopyrite, Galena, Sphalerite
Geology
Host rockSchist,Gneiss · Pony Formation; Gneiss & Schist
Associated rockSchist,Gneiss · Tobacco Root Batholith Quartz Monzonite
StructureMammoth Fault Trends N45w, 70s.
Economic & production
Development statusPast Producer
Discovery year1870
Identification
Deposit ID10105635
MRDS IDW013407
Alternate namesLeviathon Mine
RegionNA
Data scoreB
Coordinates45.66712, -112.01392
References
LORAIN, 1937, GOLD LODE MINING TOBACCO ROOT MTS, U. S. BUREAU MINES INF. CIRC. 6972.USGS BULL 574, P. 170.TANSLEY, W., SCHAFER, P., AND HART, L., 1933, A GEOLOGICAL RECONNAISSANCE OF THE TOBACCO ROOT MOUNTAINS, MADISON CO. MONTANA: MONT. BUREAU OF MINES AND GEOL. MEMOIR 9, P 29-32GILBERT, F.C., 1935, DIRECTORY OF MONTANA MINING PROPERTIES: MT. BUREAU OF MINES AND GEOL., MEM. 15, P. 50REYNER, M.L., 1949, DIRECTORY OF MINING PROPERTIES, 1949: MT. BUREAU OF MINES AND GEOL., MEMOIR 31, P. 68.REID, R.R., 1957, BEDROCK GEOLOGY OF THE NORTH END OF THE TOBACCO ROOT MTNS., MADISON CO., MT: MT. BUREAU OF MINES AND GEOL., MEMOIR 36, P. 20.1914 RECON WINCHELL, A.N., U.S.G.S. BULLETIN 5741933 RECON MBMG MEMOIR 9LORAIN, 1937, U. S. BUREAU OF MINES INF. CIRC. 6972