Estructuras extensionales tardías en la granodiorita de Veiga (Arco Hercínico de Galicia)
At the western border of the Veiga granodiorite (Hercynian Arc of Galicia), C-S structures coexist with brittle mesostructures (faults and dykes corresponding to the late stages of emplacement). C and S structures indicate that the cooling of magma was coeval with the Chandoiro fault, a N-S striking...
| Autores: | , , |
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| Formato: | artículo |
| Fecha de publicación: | 1997 |
| País: | España |
| Recursos: | Universidad de Huelva (UHU) |
| Repositorio: | Arias Montano. Repositorio Institucional de la Universidad de Huelva |
| Idioma: | español |
| OAI Identifier: | oai:ariasmontano.uhu.es:10272/10553 |
| Acesso em linha: | http://hdl.handle.net/10272/10553 |
| Access Level: | acceso abierto |
| Palavra-chave: | Granitoid Intrusion C-S structures Fault analysis Hercynian Massif |
| Resumo: | At the western border of the Veiga granodiorite (Hercynian Arc of Galicia), C-S structures coexist with brittle mesostructures (faults and dykes corresponding to the late stages of emplacement). C and S structures indicate that the cooling of magma was coeval with the Chandoiro fault, a N-S striking normal fault with a N280E hanging wall displacement direction. Brittle structures were analysed by means of the Right Dihedra, Right Trihedra and Etchecopar's methods. They are consistent with a NW-SE extension direction and à vertical c, axis. The coincidence between the two extension directions means that the stress regime under which the granitoid Intruded maintained during the post-cooling stage |
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