| Lat / long: | 46.24684, -111.95893 |
| Primary: | Silver, Zinc, Lead |
| Secondary: | Copper, Gold |
| Ore: | Gold, Limonite, Silver, Sphalerite |
| Orebody form: | SHOOTS |
| Discovery year: | 1880 |
| Operation type: | Unknown |
| Production size: | Yes |
| Development status: | Past Producer |
| Host rock: | Lodgepole Limestone, Beds Of Limestone And Mudstone;Three Forks Shale, Shale With Sandstone And Limestone;Jefferson Dolomite, Well-Bedded Dolomite |
| Host type: | Diorite,Shale,Dolomite |
| Associated rock: | Granodiorite Porphyry Plug;Andesite Porphyry Intrusions;Elkhorn Mountains Volcanics, Andesite, Tuffs |
| Associated type: | Diorite,Andesite |
| Structure: | Boulder Batholith, Trail Spring Dome, A Northeast-Trending Elongate Domal Structure, Ore Bodies And Granodiorite Porphyry Plug Bounded By Faults, Tacoma Gulch Fault |
| Tectonic: | Cordilleran Miogeosyncline |
| Alteration processes: | Sedimentary Rocks Altered To Hornfels |
| MRDS | W014708 |
| DEP | 10071367 |
| Reference | {Deposit:: ROBY, ACKERMAN, FULKERSON, & CROWLEY, 1960, MINES & MINERAL DEPOSITS - JEFFERSON CO., MT BU. MINES & GEOLOGY BULL. 16.}{Deposit:: ROBERTSON, F. 1956, GEOCHEMICAL PROSPECTING BY SOIL ANALYSES IN MT, MT BUREAU OF MINES & GEOLOGY BULL. 7}{Deposit:: BONDURANT & LAWSON, 1968, DIRECTORY OF MINING ENTERPRISES FOR 1968, MT BUREAU OF MINES & GEOLOGY BULL. 72.}{Deposit:: KLEPPER, M. R., WEEKS, R. A., RUPPEL, E. T., 1957, GEOLOGY OF THE SOUTHERN ELKHORN MOUNTAINS, JEFFERSON AND BROADWARER COUNTIES, MONT.: U. S. GEOL. SURV. PROF. PAPER 292, 82 P.}{Production:: ROBY ET AL, 1960, MBMG BULL. 16.} |
| Reporter | Mlynarczyk, Meg S. |