| Título: | El enjambre filoniano básico intrusivo en elComplejo plutónico Táliga-Barcarrota(Ossa-Morena, Badajoz) |
| Autores: | Galindo Francisco, Mª del Carmen ; Muñoz García, Mercedes ; Casquet, César |
| Tipo de documento: | texto impreso |
| Editorial: | Sociedad Geológica de España, 1991 |
| Dimensiones: | application/pdf |
| Nota general: | info:eu-repo/semantics/openAccess |
| Idiomas: | |
| Palabras clave: | Estado = Publicado , Materia = Ciencias: Geología: Petrología , Tipo = Artículo |
| Resumen: |
Two families of dykes are distinguished in the Taliga-Barcarrota area with directions NW-SE and E-W (the younger one). Chemical affinity is tholeiitic shifting from Ol+Hy normative in the first to Q+Hy normative in the second. A K-Ar whole rock age gives 250±5 M. A. (i.e. Upper Permian). Evolution by olivine and minor pyroxene fractionation is proposed. These dykes likely represent an earlier post Hercynian ensialic extensional magmatism which should be taken into a account in any geodynamic model of post Hercynian evolution of the Iberian Peninsula. |
| En línea: | https://eprints.ucm.es/id/eprint/11538/1/Art28.pdf |
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