| Lat / long: | 46.3666, -112.10508 |
| Primary: | Lead, Gold, Silver |
| Secondary: | Zinc, Copper, Uranium |
| Tertiary: | Arsenic, Antimony |
| Discovery year: | 1864 |
| Operation type: | Unknown |
| Deposit type: | FISSURE-REPLACEMENT VEIN, SHEAR ZONE, PLACER |
| Production size: | Medium |
| Development status: | Past Producer |
| First production started: | 1864 |
| Structure: | BLUEBIRD-MOUNT WASHINGTON SHEAR ZONE, BOULDER BATHOLITH; STRUCTURALLY COMPLEX WITH A POSSIBLE ROOF REMNANT COLLAPSE. |
| Alteration processes: | SERITIZATION, TOURMALINIZATION |
| MRDS | W002876 |
| DEP | 60001636 |
| Reference | {Deposit:: PARDEE, J. T. AND F. C. SCHRADER, 1933, METALLIFEROUS DEPOSITS OF THE GREATER HELENA MINING REGION, MONTANA, USGS BULL. 842: 232-246}{Deposit:: KNOPF, A., 1913, ORE DEPOSITS OF THE HELENA REGION, MONTANA. USGS BULL. 527 P. 107-120.} |