Commodities
PrimarySilver, Gold
SecondaryCopper, Lead, Zinc
Commodity typeM
Deposit
Deposit sizeS
WorkingsSurface/Underground
Orebody formPOD/LENS
Ore controlOsburn Fault Zone
Materials
Ore mineralsChalcopyrite, Galena, Tetrahedrite
GanguePyrite, Quartz, Siderite, Stibnite
Geology
Host rockQuartzite,Argillite · Revett Quartzite;Wallace Formation
StructureA Major Structural Grain Trends Nw And Consists Of Subparallel Faults And Folds. Major Fault Is The Osburn. This Fault Seems To Demarcate A Change In Folding Form With Folds To The North Showing Signs Of More Intense Structural Deformation Than Those To The South., Ne-Striking Fault Which Dips 65s, Folding.
Tectonic settingBelt Basin
AlterationHydrothermal Bleaching Is Common Within A Belt Approx. 1 Mi Wide Along The North Side Of The Osburn Fault Zone. It Has Been Used As A Guide To Ore Deposits.
Economic & production
Development statusPast Producer
Identification
Deposit ID10010264
MRDS IDD003855
Alternate namesBen Hur Mine, Us Mine
RegionNA
Data scoreB
Coordinates47.45543, -115.52629
References
WALLACE, R. E. AND HOSTERMAN, J. W., 1956 , RECONNAISSANCE GEOLOGY OF WESTERN MINERAL COUNTY MONTANA: US GEOLOGICAL SURVEY BULL. 1027-M, PP. 588 , 601 , 604 .CALKINS, F. C. AND JONES, E. L. JR., 1914 , ECONOMIC GEOLOGY OF THE REGION AROUND MULLAN, IDAHO AND SALTESE, MONTANA: US GEOLOGICAL SURVEY BULL. 540 , P. 192 .LAWSON, D. C., 1972 : DIRECTORY OF MINING ENTERPRISES FOR 1971 : MONTANA BUREAU OF MINES AND GEOLOGY BULL. 86 , P. 14 .WALLACE, R. E. AND HOSTERMAN, J. W., 1956 : US GEOL SURVEY BULL. 1027-M, P. 604 .