| Lat / long: | 37.9514, -106.29727 |
| Primary: | Copper, Zinc |
| Tertiary: | Molybdenum, Silver |
| Operation type: | Unknown |
| Production size: | None |
| Development status: | Occurrence |
| Host rock: | Early Quartz Latite Of Conejos Formation |
| Host type: | Quartz Latite |
| Associated rock: | Early Quartz Latite Of Conejos Formation |
| Associated type: | Quartz Latite |
| Structure: | San Juan Volcanic Field, Rio Grande Rift, Biedell-Klondike Fault, Esperanza Fault Zone, Biedell Stock |
| Tectonic: | Central Cordillera (Southern Rocky Mtns) |
| Alteration processes: | Argillization |
| MRDS | D008934 |
| DEP | 10012916 |
| Reference | OSTERWALD, E.J., 1977, THE BIEDELL AND SANDERSON VOLCANIC CENTERS, SAGUACHE COUNTY, COLORADO: COLORADO STATE UNIV. M.S. THESIS, 145 P |
| Reporter | Schwochow, Stephen D. |