| Lat / long: | 47.47987, -115.62157 |
| Primary: | Zinc, Lead |
| Secondary: | Copper |
| Ore: | Chalcopyrite, Galena, Sphalerite, Tetrahedrite |
| Gangue: | Pyrite, Quartz, Siderite |
| Operation type: | Unknown |
| Production size: | Small |
| Development status: | Past Producer |
| Host rock: | Revett Quartzite (White Quartzite);Burke Formation (Impure Quartzites And Argillites) |
| Host type: | Quartzite |
| Structure: | A Major Structural Grain Trends Nw And Is Made 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., Small Scale Generally Ne Trending, Steeply Dipping Faults Are Present |
| Tectonic: | Belt Basin |
| Alteration processes: | Hydrothermal Bleaching Is Common Within A Belt Approximately 1 Mi Wide Along The North Side Of The Osburn Fault Zone. It Has Been Used As A Guide To Ore Deposits. |
| MRDS | D003854 |
| DEP | 10010263 |
| Reference | {Analytical Data:: SRC.REF: CALKINS, F. C. AND JONES, E. L. JR., 1914 : US GEOLOGICAL SURVEY BULL. 540 , P. 190}{Deposit:: WALLACE, R. E. AND HOSTERMAN, J. W., 1956 , RECONNAISSANCE GEOLOGY OF WESTERN MINERAL COUNTY MONTANA: US GEOLOGICAL SURVEY BULL. 1027-M, PP. 603 - 604 .}{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. 190 .} |
| Reporter | Rojstaczer, Stuart A. |