| Location: | Madriz, Nicaragua, North America |
| Lat / long: | 13.47591, -86.43331 |
| dep_id: | 10086139 |
| mrds_id: | W702065 |
| Commodity type: | metallic |
| Major mineral: | Antimony |
| Operation type: | Unknown |
| Production size: | Unknown |
| Development status: | Occurrence |
| ore: | Pyrite, Stibnite |
| gangue: | Quartz |
| orebody_fm: | LENTICULAR AND IRREGULAR PODS |
| model: | 180: Simple Sb (veins, pods, etc) |
| alteration: | Some Alteration And Disseminated Stibnite Mineralization In The Schist Outwards From The Veins. |
| ore_ctrl: | Zoppis Bracci And Laguna Note Proximity To Sandstone (Quartzite?) Lenses In Schist, And Laguna Speculates That Ore Was Deposited In Fold Noses In The Schist, From The Contact With The Sandstone Upwards (Permeability Control). |
| Reporter: | Bliss, James D., Page, Norman J., Venable, Margaret |
| hrock_unit: | Totogalpa Formation;Matagalpa Volcanics |
| hrock_type: | Clastic Sedimentary Rock |
| arock_type: | Rhyolite |
| Structure: | Strongly Deformed Folds, Oriented Sw-Ne. Quartz Filled Fractures Generally About Perpendicular To Schistosity And Fold Orientation. |
| References: |
- Deposit:: INSTITUTO CENTROAMERICANO DE INVESTIGACION Y TECNOLOGIA INDUSTRIAL (ICAITI), 1970, MAPA METRALOGENETIO DE AMERICA CENTRAL; 1:2000000 & ESTUDIOS METALOGENETICOS DE AMERICA CENTRAL: PUBLICIONES GEOLOGICAS DEL ICAITI NUMERO III, 76 P.
- Deposit:: ROBERTS, R.J., AND IRVING, E.M., 1957, MINERAL DEPOSITS OF CENTRAL AMERICA: U.S. GEOLOGICAL SURVEY BULLETIN 1034, P. 47-48.
- Deposit:: SALAMIS, C., 1965, GEOLOGICAL AND GEOPHYSICAL EXPLORATION IN THE PALACAGUINA ANTIMONY AREA: MANAGUA, NICARAGUA MINERAL SURVEY, SERVICIO GEOLOGICO NACIONAL, 8 P.
- Deposit:: ZOPPIS-BRECCI, L., 1957, GEOLOGICO DE LA REGION DE PALACAGUINA Y DE SU DEPOSITO DE ANTIMONIO: MANAGUA, BOLETIN DEL SERVICIO GEOLOGICO NACIONAL DE NICARAGUA, NO. 1, P. 29-34
- Deposit:: LAGUNA, T., 1957, INTERPRETACION GEOFISICA DEL ESTUDIO EFECTUADO EN PALACAGUINA: BOLETIN DEL SERVICIO GEOLOGICO NACIONAL DE NICARAGUA, NO. 1, P. 35-37.
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