{"id":22312,"date":"2018-03-09T09:12:25","date_gmt":"2018-03-09T09:12:25","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/deformacion-metamorfosis-y-exhumacion-de-las-granulitas-de-alta-presion-de-la-bacariza-complejo-de-cabo-ortegal-no-de-espana\/"},"modified":"2018-03-09T09:12:25","modified_gmt":"2018-03-09T09:12:25","slug":"deformacion-metamorfosis-y-exhumacion-de-las-granulitas-de-alta-presion-de-la-bacariza-complejo-de-cabo-ortegal-no-de-espana","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/pais-vasco-euskal-herriko-unibertsitatea\/deformacion-metamorfosis-y-exhumacion-de-las-granulitas-de-alta-presion-de-la-bacariza-complejo-de-cabo-ortegal-no-de-espana\/","title":{"rendered":"Deformaci\u00f3n, metamorfosis y exhumaci\u00f3n de las granulitas de alta presi\u00f3n de la bacariza (complejo de cabo ortegal, no de espa\u00f1a)"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Pablo Puelles Olarte <\/strong><\/h2>\n<p>Las granulitas de alta presi\u00f3n que constituyen la formaci\u00f3n bacariza afloran extensamente en la parte central del complejo de cabo ortegal. Se han distinguido y cartografiado cinco tipos granul\u00edticos principales: granulitas ultram\u00e1ficas o pirigarnitas, granulitas m\u00e1ficas, granulitas m\u00e1ficas ricas en mg, granulitas intermedias-f\u00e9lsicas y ortogneises granul\u00edticos, cuyas asociaciones minerales en equilibrio est\u00e1n formadas principalmente por granate, clinopiroxeno y plagioclasa, apareciendo zoisita, distena, cuarzo, escapolita y rutilo en distinta proporci\u00f3n seg\u00fan el tipo granul\u00edtico considerado. Se han distinguido dos fases de deformaci\u00f3n (d1 y d2) desarrolladas en condiciones de presi\u00f3n y temperatura propias de la facies de las granulitas de alta presi\u00f3n y enmarcadas en un proceso \u00fanico de deformaci\u00f3n progresiva. La primera fase tuvo lugar en condiciones de ca. 1.55 +- 0.1gpa y 755 +- 35\u00c2\u00bac y dio lugar al desarrollo de una f\u00e1brica penetrativa plano-linear s1-l1. Las f\u00e1bricas s1 y li fueron replegadas isoclinalmente durante la propia fase de deformaci\u00f3n d1, dando lugar a pliegues en vaina, pliegues de tipo -a-, interferencias de pliegues, pliegues desenraizados y otras estructuras a transposici\u00f3n tect\u00f3nica. La segunda fase de deformaci\u00f3n (d2), del tipo de la constricci\u00f3n general, desvi\u00e1ndose ligeramente de una deformaci\u00f3n plana a volumen constante por cizalla simple heterog\u00e9nea, tuvo lugar en condiciones de ca. 1.46 +- 0.1 gpa y 705 +- 40\u00c2\u00bac y est\u00e1n relacionada con el desarrollo de zonas de cizalla d\u00factil, pliegues en vaina e isoclinales y milonitas. A escala cartogr\u00e1fica queda representada por las asociaciones estructurales de las zonas de contacto con las eclogitas y las formaciones gne\u00edsicas infrayacentes. Estos materiales se habr\u00edan deformado pl\u00e1sticamente en un r\u00e9gimen de esfuerzos diferenciales moderados a bajos. El an\u00e1lisis estructural de las trayectorias de las foliaciones pone de relieve la existencia<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Deformaci\u00f3n, metamorfosis y exhumaci\u00f3n de las granulitas de alta presi\u00f3n de la bacariza (complejo de cabo ortegal, no de espa\u00f1a)<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Deformaci\u00f3n, metamorfosis y exhumaci\u00f3n de las granulitas de alta presi\u00f3n de la bacariza (complejo de cabo ortegal, no de espa\u00f1a) <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Pablo Puelles Olarte <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Pa\u00eds vasco\/euskal herriko unibertsitatea<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 28\/03\/2003<\/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>Benito Abalos Villaro<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: julia Cuevas urionabarrenechea <\/li>\n<li>Fernando Bastida ib\u00e1\u00f1ez (vocal)<\/li>\n<li>ramon Capote del villar (vocal)<\/li>\n<li>ricardo Arenas mart\u00edn (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Pablo Puelles Olarte Las granulitas de alta presi\u00f3n que constituyen la formaci\u00f3n bacariza afloran extensamente en la [&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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