| Lat / long: | 47.45126, -115.49962 |
| Primary: | Lead, Zinc |
| Secondary: | Copper, Silver, Gold |
| Ore: | Chalcopyrite, Covellite, Galena, Sphalerite |
| Gangue: | Ankerite, Limonite, Pyrite, Quartz, Siderite |
| Operation type: | Unknown |
| Deposit type: | Vein |
| Production size: | None |
| Development status: | Occurrence |
| Structure: | A 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. |
| Tectonic: | Belt Basin |
| Alteration processes: | Hydrothermal 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. |
| MRDS | W026561 |
| DEP | 10078296 |
| Reference | {Deposit:: WALLACE, R. E. AND HOSTERMAN, J. W., 1956 , RECONNAISSANCE GEOLOGY OF WESTERN MINERAL COUNTY, MONTANA: US GEOLOGICAL SURVEY BULL. 1027-M, P. 60 .}{Deposit:: LAWSON, D. C., 1972 , DIRECTORY OF MINING ENTERPRISES FOR 1971 : MONTANA BUR MINES AND GEOLOGY BULL. 86 , P. 14 .}{Deposit:: 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 .}{Deposit:: CROWLEY, F. A., 1962 , DIRECTORY OF KNOWN MINING ENTEPRISES, 1961 : MONTANA BUREAU OF MINES AND GEOLOGY BULL. 25 , P. 37 .} |
| Reporter | Rojstaczer, Stuart A. |