| Lat / long: | 37.64445, -107.68786 |
| Primary: | Silver, Gold |
| Ore: | Pyrite |
| Gangue: | Limonite, Quartz |
| Discovery year: | 1897 |
| Operation type: | Unknown |
| Production size: | None |
| Development status: | Occurrence |
| Host rock: | Irving Formation |
| Host type: | Gneiss |
| Associated rock: | Eolus Granite;Tenmile Granite |
| Associated type: | Quartz Monzonite,Diorite,Granite |
| Structure: | San Juan Uplift, Needle Mtns Uplift, Eolus Batholith, Tenmile Stock |
| Tectonic: | Central Cordillera (Southern Rocky Mtns) |
| MRDS | D010888 |
| DEP | 10014216 |
| Reference | {Deposit:: SCOTT, D.C., 1983, MINERAL INVESTIGATION OF THE WEST NEEDLE WILDERNESS STUDY AREA AND THE BLM WEST NEEDLE CONTIGOUS WILDERNESS STUDY AREA, LA PLATA AND SAN JUAN COUNTIES, COLORADO: USBM MLA 35-83, P. 9, 19-20.}{Deposit:: BARKER, FRED, 1969, PRECAMBRIAN GEOLOGY OF THE NEEDLE MOUNTAINS, SOUTHWESTERN COLORADO: USGS PROF. PAPER 644-A.}{Deposit:: CROSS, WHITMAN, AND OTHERS, 1905, DESCRIPTION OF THE NEEDLE MOUNTAINS QUADRANGLE, COLORADO: USGS FOLIO 131.}{Deposit:: BLM MINERAL SURVEYS MS 11511, 11512} |
| Reporter | Schwochow, Stephen D. |