{"id":35971,"date":"1998-01-01T00:00:00","date_gmt":"1998-01-01T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/evolucion-tectonica-y-metamorfica-de-los-mantos-inferiores-de-grado-alto-y-alta-presion-del-complejo-de-cabo-ortegal\/"},"modified":"1998-01-01T00:00:00","modified_gmt":"1998-01-01T00:00:00","slug":"evolucion-tectonica-y-metamorfica-de-los-mantos-inferiores-de-grado-alto-y-alta-presion-del-complejo-de-cabo-ortegal","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-de-la-tierra-y-del-espacio\/evolucion-tectonica-y-metamorfica-de-los-mantos-inferiores-de-grado-alto-y-alta-presion-del-complejo-de-cabo-ortegal\/","title":{"rendered":"Evolucion tectonica y metamorfica de los mantos inferiores de grado alto y alta presion del complejo de cabo ortegal."},"content":{"rendered":"<h2>Tesis doctoral de <strong> Josu Azcarraga Cuadra <\/strong><\/h2>\n<p>En esta memoria se presenta el estudio estructural de varias unidades que constituyen los sectores occidental y meridional del complejo al\u00f3ctono de cabo ortegal (no de la pen\u00ednsula ib\u00e9rica): (1) los mantos inferiores de grado alto y alta presi\u00f3n del al\u00f3ctono superior del complejo de cabo ortegal (formaciones candelaria y agudo), los cuales aparecen variablemente retrogradados, (2) la zona de movimiento tect\u00f3nico de carreiro (zmtc) y (3) el complejo ofiol\u00edtico basal representado por las anfibolitas de la formaci\u00f3n purrido-pe\u00f1a escrita. De ellas se hace hincapi\u00e9 en la zmtc, que constituye la base de los mantos suprayacentes y separa el al\u00f3ctono superior y el complejo ofiol\u00edtico basal. Se trata de una zona de cizalla d\u00factil que incluye rocas de origen profundo (cortical y mant\u00e9lico) y experiment\u00f3 una historia tectonometam\u00f3rfica compleja en niveles estructurales profundos. En su interior de han diferenciado tres l\u00e1minas o bandas subparalelas resultantes de la intensa milonitizaci\u00f3n de algunos tipos litol\u00f3gicos de las unidades supra- e infrayacentes: una l\u00e1mina central de rocas ultram\u00e1ficas serpentinizadas y dos l\u00e1minas laterales gne\u00edsicas con restos de rocas m\u00e1ficas y ultram\u00e1ficas.  las estructuras reconocidas a diferentes escalas han permitido reconocer varias fases de deformaci\u00f3n sin-metam\u00f3rficas relacionadas con una historia de deformaci\u00f3n d\u00factil intensa y prolongada, de car\u00e1cter no coaxial, en niveles litosf\u00e9ricos desde muy profundos hasta meso-corticales. La primera fase de deformaci\u00f3n (a1) se desarroll\u00f3 en condiciones de temperatura superiores a 1000 grados c, esfuerzos diferenciales bajos (4-20 mpa) y tasas de deformaci\u00f3n convencionales para el manto superior (10 elevado -10 &#8211; 10 elevado -15 s elevado -1). El resto de fases de deformaci\u00f3n (d1, d2, d3 y d4) tuvieron lugar en niveles estructurales de profundidad variable de la litosfera. Las fases de deformaci\u00f3n d1 y d2 tuvieron lugar en condic<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Evolucion tectonica y metamorfica de los mantos inferiores de grado alto y alta presion del complejo de cabo ortegal.<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Evolucion tectonica y metamorfica de los mantos inferiores de grado alto y alta presion del complejo de cabo ortegal. <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Josu Azcarraga Cuadra <\/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 01\/01\/1998<\/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: Alberto Marcos Vallaure <\/li>\n<li>Fernando Bastida Iba\u00f1ez (vocal)<\/li>\n<li>Jordi Carreras Planells (vocal)<\/li>\n<li>Ricardo Arenas Martin (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Josu Azcarraga Cuadra En esta memoria se presenta el estudio estructural de varias unidades que constituyen los [&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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