| Lat / long: | 37.38335, -106.56366 |
| Primary: | Gold, Silver |
| Tertiary: | Copper, Lead |
| Ore: | Galena, Petzite, Pyrite, Tetrahedrite |
| Gangue: | Quartz |
| Operation type: | Unknown |
| Deposit type: | Vein |
| Production size: | Small |
| Development status: | Past Producer |
| Last production ended: | 1938 |
| Host rock: | Intrusive Rocks--Monzonite (Alamosa River Stock);Intrusive Rocks--Monzonite Porphyry (Alum Creek Porphyry) |
| Host type: | Monzonite |
| Associated rock: | Intrusive Rocks--Monzonite (Alamosa River Stock);Intrusive Rocks--Monzonite Porphyry (Alum Creek Porphyry) |
| Associated type: | Monzonite |
| Structure: | San Juan Volcanic Field, Platoro Caldera, Summitville Caldera, Alamosa River Stock, Summitville Fault, Platoro Fault Zone |
| Tectonic: | Central Cordillera (Southern Rocky Mtns) |
| MRDS | D010639 |
| DEP | 10087896 |
| Reference | {Deposit:: PATTON, H.B., 1917, GEOLOGY AND ORE DEPOSITS OF THE PLATORO-SUMMITVILLE MINING DISTRICT, COLORADO: CGS BULL. 13.}{Deposit:: LIPMAN, P.W., 1974, GEOLOGIC MAP OF THE PLATORO CALDERA AREA, SOUTHEASTERN SAN JUAN MOUNTAINS, SOUTHWESTERN COLORADO: USGS MAP I-828.}{Deposit:: CALKIN, W.S., 1967, GEOLOGY, ALTERATION, AND MINERALIZATION OF THE ALUM CREEK AREA. SAN JUAN VOLCANIC FIELD. COLORADO: COLORADO SCHOOL OF MINES THESIS T-1113.}{Deposit:: COLORADO DIV. MINES INF. REPT.}{Deposit:: BLM MINERAL SURVEY MS 7760, 7000} |
| Reporter | Schwochow, Stephen D. |