| Location: | La Plata County, Colorado, United States, North America |
| Lat / long: | 37.61973, -107.80897 |
| dep_id: | 10014202 |
| mrds_id: | D010871 |
| Commodity type: | metallic |
| Major mineral: | Silver, Lead, Zinc |
| Minor mineral: | Copper |
| Trace mineral: | Gold |
| Operation type: | Unknown |
| Deposit type: | Vein |
| Production size: | No production occurred |
| Development status: | Occurrence |
| ore: | Galena, Pyrite, Sphalerite |
| gangue: | Calcite, Limonite, Quartz |
| model: | 85: Polymetallic veins |
| alteration: | Fe Oxidation, Silicification |
| ore_ctrl: | Probable Fault Zone Cutting Limestones |
| Reporter: | Schwochow, Stephen D. |
| hrock_unit: | Ouray Limestone;Leadville Limestone |
| hrock_type: | Limestone |
| arock_unit: | Electra Lake Gabbro;Monzonite Porphyry |
| arock_type: | Monzonite,Gabbro |
| Structure: | San Juan Uplift, Needle Mtns Uplift |
| tectonic: | Central Cordillera (Southern Rocky Mtns) |
| References: |
- Deposit:: SCOTT, D.C., 1983, MINERAL INVESTIGATION OF THE WEST NEEDLE WILDERNESS STUDY AREA AND THE BLM WEST NEEDLE CONTIGUOUS WILDERNESS STUDY AREA,LA PLATA AND SAN JUAN COUNTIES, COLORADO: USBM MLA 35-83,P.8, 42-44.
- Deposit:: BARKER, FRED, 1969, PRECAMBRIAN GEOLOGY OF THE NEEDLE MOUNTAINS, SOUTHWESTERN COLORADO: USGS PROF. PAPER 644-A.
- Deposit:: CROSS, WHITMAN, AND HOLE, A.D., 1910, DESCRIPTION OF THE ENGINEER MOUNTAIN QUADRANGLE: USGS FOLIO 171.
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