| Lat / long: | -21.80922, -66.48889 |
| Primary: | Silver |
| Tertiary: | Lead |
| Ore: | Galena |
| Gangue: | Clay, Limonite |
| Operation type: | Unknown |
| Production size: | Small |
| Development status: | Past Producer |
| First production started: | 1967 |
| Host type: | Dacite |
| Associated type: | Dacite |
| Alteration processes: | Kaolinization |
| MRDS | BL10077 |
| DEP | 10005898 |
| Reference | {Deposit:: CORTEZ, L., AND KURONUMA, H., 1969, INFORME SOBRE ASISTENCIA TECNICA MINA ESPERANZA Y SEGUNDA ESPERANZA: SERVICIO GEOLOGICO DE BOLIVIA INFORME GB-M-645, 9P., MAP 1:500}{Deposit:: GEOLOGICAL INVESTIGATIONS BY GEOBOL, CORTEZ AND KURONUMA (1969}{Other Database:: CIMRI} |
| Reporter | Long, Keith R. |