{"id":84590,"date":"2018-03-10T00:08:55","date_gmt":"2018-03-10T00:08:55","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/petrologa%c2%ada-metamorfica-y-geocronologa%c2%ada-de-la-unidad-culminante-del-complejo-de-ordenes-en-la-region-de-carballogalicia-nw-del-macizo-iberico\/"},"modified":"2018-03-10T00:08:55","modified_gmt":"2018-03-10T00:08:55","slug":"petrologa%c2%ada-metamorfica-y-geocronologa%c2%ada-de-la-unidad-culminante-del-complejo-de-ordenes-en-la-region-de-carballogalicia-nw-del-macizo-iberico","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-de-la-tierra-y-del-espacio\/petrologa%c2%ada-metamorfica-y-geocronologa%c2%ada-de-la-unidad-culminante-del-complejo-de-ordenes-en-la-region-de-carballogalicia-nw-del-macizo-iberico\/","title":{"rendered":"Petrolog\u00eda metam\u00f3rfica y geocronolog\u00eda de la unidad culminante del complejo de ordenes en la regi\u00f3n de carballo(galicia, nw del macizo ib\u00e9rico)"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Jacobo Abati Gomez <\/strong><\/h2>\n<p>En esta tesis doctoral se presenta el resultado de un estudio integrado de petrolog\u00eda metam\u00f3rfica y geocronolog\u00eda(m\u00e9todo u-pb) realizado en el sector occidental de la unidad culminante del complejo de ordenes. Este complejo es la m\u00e1s extensa de las estructuras al\u00f3ctonas que afloran en el nw del macizo ib\u00e9rico, caracterizadas por la presencia de varias l\u00e1minas de origen oce\u00e1nico que marcan una de las principales suturas del or\u00f3geno varisco europeo.  la dataci\u00f3n de los principales tipos de rocas \u00edgneas y de f\u00e1bricas metam\u00f3rficas, en conjunto con el estudio de su evoluci\u00f3n p-t, ha permitido el descubrimiento de un ciclo orog\u00e9nico pre-varisco en la unidad culminante, manifest\u00e1ndose por tanto como un terreno poliorog\u00e9nico.  las dataciones u-pb de circones del gabro de monte castelo(499+-2ma) y de un granitoide (500+-2 ma) indican la existencia de un evento magm\u00e1tico bimodal pr\u00f3ximo al l\u00edmite c\u00e1mbrico-ordovicico. Las edades de monacitas obtenidas en una granulita metapel\u00edtica y en dos muestras de paragneises de la zona de la sillimanita de la serie de ordenes(493-498 ma) indican que el metamorfismo regional fue pr\u00e1cticamente sincr\u00f3nico con el magmatismo. tambi\u00e9n se analizaron rutilos de la misma muestra de granulitas, que proporcionan una edad entre 380 y 390 ma que se interpreta como el momento de la incorporaci\u00f3n de la unidad culminante a la cu\u00f1a orog\u00e9nica varisca.  el c\u00e1lculo de condiciones p-t mediante termobarometria convencional y multiequilibrio(m\u00e9todo twq) muestra una trayectoria caracterizada por fuerte presurizaci\u00f3n a altas temperaturas que alcanza unos 10 kbar y m\u00e1s de 800 \u00c2\u00ba c.  la trayectoria p-t deducida para las granulitas indica un engrosamiento cortical considerable que se produce a altas temperaturas. De acuerdo con los modelos t\u00e9rmicos existentes, este tipo de trayectoria s\u00f3lo es competible con una regi\u00f3n calentada por un intenso magmatismo de forma previa y\/o durante un engrosamiento c<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Petrolog\u00eda metam\u00f3rfica y geocronolog\u00eda de la unidad culminante del complejo de ordenes en la regi\u00f3n de carballo(galicia, nw del macizo ib\u00e9rico)<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Petrolog\u00eda metam\u00f3rfica y geocronolog\u00eda de la unidad culminante del complejo de ordenes en la regi\u00f3n de carballo(galicia, nw del macizo ib\u00e9rico) <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Jacobo Abati Gomez <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Complutense de Madrid<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 19\/05\/2000<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h3>Direcci\u00f3n y tribunal<\/h3>\n<ul>\n<li><strong>Director de la tesis<\/strong>\n<ul>\n<li>Ricardo Arenas Martin<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: carmen Galindo Francisco <\/li>\n<li>miren Mendia aranguren (vocal)<\/li>\n<li>dieter Gebauer (vocal)<\/li>\n<li> Tubia Martinez Jos\u00e9 Mar\u00eda (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Jacobo Abati Gomez En esta tesis doctoral se presenta el resultado de un estudio integrado de petrolog\u00eda [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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