| Lat / long: | 45.3235, -113.7248 |
| Primary: | Gold, Silver, Lead |
| Secondary: | Copper |
| Ore: | Chalcopyrite, Gold |
| Gangue: | Chrysocolla, Magnetite, Malachite, Quartz |
| Orebody form: | TABULAR |
| Discovery year: | 1874 |
| Operation type: | Unknown |
| Deposit type: | Vein |
| Production size: | Small |
| Development status: | Producer |
| First production started: | 1880 |
| Host rock: | Lemhi Quartzite |
| Host type: | Quartzite |
| Associated type: | Diorite |
| Structure: | Miner Lake Fault, Freeman Dike Zone, Country Rock Trends N15e, 15se. |
| Tectonic: | Medicine Lodge Thrust System |
| Alteration processes: | Oxidation |
| MRDS | W007443 |
| DEP | 10069767 |
| Reference | {Deposit:: MBMG BULL 85.}{Deposit:: NOYES, A. J., 1914, THE STORY OF AJAX - LIFE IN THE BIG HOLE BASIN: HELENA, MT., STATE PUBLICATION CO.}{Deposit:: MACKENZIE, W.D., 1949 MS THESIS, UNIV OF ID.}{Production:: M.B.M.G. BULL. 85} |
| Reporter | Krohn, Douglas H., Loen, Jeffrey S. (Pearson, Robert C.) |