| Título: | The relationship between large deep mafic sills, crustalcontamination and the formation of Ni-(Cu) and IOCG deposits |
| Autores: | Tornos Arroyo, Fernando ; Carriedo, Jorge ; Velasco Roldán, Francisco ; Galindo Francisco, Mª del Carmen ; Casquet, César |
| Tipo de documento: | texto impreso |
| Editorial: | SGA, 2011 |
| Dimensiones: | application/pdf |
| Nota general: | info:eu-repo/semantics/openAccess |
| Idiomas: | |
| Palabras clave: | Estado = Publicado , Materia = Ciencias: Geología: Petrología , Tipo = Sección de libro |
| Resumen: |
The Ossa Morena Zone (SW Iberia) hosts an unusual suite of ore deposits, including magmatic Ni-(Cu) and IOCG mineralization. These deposits are interpreted to have a relationship to a deep mafic sill intruded in the middle crust. Interaction of mafic magmas with crustal rocks produced immiscible sulphide-rich melts and water-rich melts. The latter exsolved large amounts of Fe- and CO2-rich brines that were responsible for widespread albite-actinolite alteration and IOCG mineralization. |
| En línea: | https://eprints.ucm.es/id/eprint/21779/1/Tornos_et_al_2007_ZOM_SGA_Dublin.pdf |
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