{"id":70939,"date":"2018-03-09T23:15:29","date_gmt":"2018-03-09T23:15:29","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/la-unidad-de-fornas-evolucion-tectonometamorfica-del-so-del-complejo-de-ordenes\/"},"modified":"2018-03-09T23:15:29","modified_gmt":"2018-03-09T23:15:29","slug":"la-unidad-de-fornas-evolucion-tectonometamorfica-del-so-del-complejo-de-ordenes","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/geologia-estructural\/la-unidad-de-fornas-evolucion-tectonometamorfica-del-so-del-complejo-de-ordenes\/","title":{"rendered":"La unidad de fornas: evolucion tectonometamorfica del so del complejo de ordenes"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Juan Gomez Barreiro <\/strong><\/h2>\n<p>El estudio de la evoluci\u00f3n tectonometam\u00f3rfica del so del complejo de ordenes (no del macizo ib\u00e9rico) se ha llevado a cabo integrando datos de geolog\u00eda estructural, petrolog\u00eda metam\u00f3rfica y geocronolog\u00eda. La obtenci\u00f3n de una secuencia de eventos geol\u00f3gicos completa ha puesto de manifiesto que las unidades tectonometam\u00f3rficas que componen el complejo han registrado tres ciclos orog\u00e9nicos: cambro-ordov\u00edcico, sil\u00farico y devono-carbon\u00edfero. El an\u00e1lisis de la unidad de forn\u00e1s (unidad al\u00f3ctona superior de ap-at) ha dado las claves necesarias para la realizaci\u00f3n de un modelo geodin\u00e1mico de validez regional. Dicha unidad representa los niveles de transici\u00f3n de un elemento litosf\u00e9rico ex\u00f3tico, un arco magm\u00e1tico. los resultados muestran un primer evento importante de enterramiento en las unidades al\u00f3ctonas superiores. En el caso de la unidad de forn\u00e1s-arinteiro se alcanzan condiciones de las granulitos de alta presi\u00f3n (13-15 kbar\/ 700-800\u00c2\u00bac), mientras que en las unidades de media presi\u00f3n (u. De o pino) las condiciones son propias de la facies de las anfibolitas (10 kbar\/650\u00c2\u00bac). Tras este evento ambas unidades fueron puestas en contacto mediante el despegue extensional de forn\u00e1s, con una cinem\u00e1tica de movimiento del bloque de techo hacia el nw. Este evento da lugar a una fuerte descompresi\u00f3n isoterma de las rocas del bloque de muro (u. De forn\u00e1s) seguido de un enfriamiento a baja presi\u00f3n, mientras que en el bloque de techo (u. De o pino) se produce un calentamiento de su base a baja presi\u00f3n. La actividad  del despegue ha sido datada en 420 m.A. Por ar-ar. El despegue de forn\u00e1s aparece doblando por pliegues tumbados y cortado por cabalgamientos con cinem\u00e1tica hacia el ene. Este nuevo episodio de enterramiento da lugar a asociaciones programas en las cizallas (7-8 kbar\/ 450-550 \u00c2\u00bac). Su actividad ha sido datada en 395 m.A. (Ar-ar). Finalmente el despegue de bembibre-pico sacro acomoda el colapso gravitacional.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>La unidad de fornas: evolucion tectonometamorfica del so del complejo de ordenes<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 La unidad de fornas: evolucion tectonometamorfica del so del complejo de ordenes <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Juan Gomez Barreiro <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Salamanca<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 26\/10\/2004<\/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> Martinez Catalan Jos\u00e9 Ramon<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: andres Perez estaun <\/li>\n<li> Tubia Martinez Jos\u00e9 Mar\u00eda (vocal)<\/li>\n<li>Juan  ignacio Gil ibarguchi (vocal)<\/li>\n<li> Simancas cabrera Jos\u00e9 Fernando (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Juan Gomez Barreiro El estudio de la evoluci\u00f3n tectonometam\u00f3rfica del so del complejo de ordenes (no del [&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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