| Lat / long: | 45.51601, -112.82478 |
| Primary: | Tungsten |
| Secondary: | Copper |
| Tertiary: | Molybdenum |
| Ore: | Bornite, Chalcopyrite, Covellite, Malachite, Powellite, Pyrrhotite, Scheelite |
| Gangue: | Biotite, Epidote, Limonite, Magnetite, Pyrite |
| Orebody form: | TABULAR AND IRREGULAR |
| Operation type: | Unknown |
| Deposit type: | Contact Metasomatic |
| Production size: | Yes |
| Development status: | Past Producer |
| First production started: | 1953 |
| Host rock: | Amsden |
| Host type: | Limestone |
| Associated rock: | Quartz Monzonite;Granodiorite |
| Associated type: | Quartz Monzonite,Diorite |
| Structure: | Pioneer Batholith |
| Alteration processes: | Chloritization, Oxidation, Skarn |
| MRDS | M060802 |
| DEP | 10042779 |
| Reference | {Deposit:: PATTEE, E.C., 1960, TUNGSTEN RES. OF MONT.-MT. TORREY BATHOLITH, BEAVERHEAD CO., MONT.: U.S. BUREAU OF MINES, REPT. INV. 5552, P. 6-8, MAPS.}{Deposit:: MBMG BULL 85, P. 124-127.}{Deposit:: DMEA 1951X, DMEA 2292, DMA-148}{Production:: DMEA FILES} |
| Reporter | Unknown, Loen, Jeffrey S. (Pearson, Robert C.) |