| Lat / long: | 37.62002, -105.2575 |
| Primary: | Gold |
| Ore: | Pyrite |
| Gangue: | Siderite |
| Orebody form: | CHIMNEY OR FUNNEL-SHAPED |
| Operation type: | Underground |
| Deposit type: | breccia pipe |
| Production size: | Small |
| Development status: | Past Producer |
| Host rock: | Monzonite Porphyry |
| Host type: | Monzonite |
| Structure: | Sierra Blanca Massif, Ft. Garland Embayment, Vega Cr. Anticline, Wagon Mesa Fault |
| Tectonic: | Central Cordillera (Southern Rocky Mtns.) |
| Alteration processes: | Iron Oxides |
| MRDS | D006742 |
| DEP | 10011668 |
| Reference | PATTON, H.B., AND OTHERS, 1910, GEOLOGY OF THE GRAYBACK MINING DISTRICT, COSTILLA COUNTY, COLORADO: CGS BULL. 2 |
| Reporter | Schwochow, Stephen D. |