| Lat / long: | 46.35822, -113.25925 |
| Primary: | Silver, Manganese |
| Secondary: | Lead, Gold, Copper, Phosphorus-Phosphates, Iron |
| Tertiary: | Tungsten, Cobalt, Arsenic, Antimony |
| Ore: | Argentite, Cerargyrite, Chalcopyrite, Chlorargyrite, Galena, Gold, Magnetite, Powellite, Psilomelane, Pyrolusite, Scheelite, Silver, Sphalerite, Tetrahedrite, Tremolite |
| Gangue: | Barite, Calcite, Pyrite, Quartz, Rhodochrosite |
| Operation type: | Unknown |
| Production size: | Large |
| Development status: | Producer |
| Production years: | UNKNOWN |
| Host rock: | Phoshoria Formation;Quadrant Formation Amsden Formation Madison Group Jefferson Limestone Maywood Formation;Red Lion Formation Hasmark Formation Silver Hill Formation Flat Head Formation;Belt Series |
| Host type: | Quartzite,Shale,Limestone,Phosphorite |
| Associated rock: | Philipsburg Batholith |
| Associated type: | Diorite |
| MRDS | W000703 |
| DEP | 10067839 |
| Reference | {Deposit:: USGS PP 78, P. 201-20.}{Deposit:: USGS PP 610, P. 151-52.}{Deposit:: MBMG BULL 30, P. 21.}{Deposit:: USGS BULL 1237.}{Deposit:: USBM RI 6611, P. 56-73.}{Deposit:: USBM RI 5612, P. 20-3.}{Deposit:: USGS BULL 922-G, P. 147-57.}{Production:: USGS BULL 1237; USGS-USBM MINERAL YEARBOOKS.}{Reserve-Resource:: UNPUBLISHED COBALT REPORT} |
| Reporter | Coury, Anny B. |