{"id":103272,"date":"2018-03-11T10:25:46","date_gmt":"2018-03-11T10:25:46","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/magmatismo-neoproterozoico-en-el-antiforme-del-nacea\/"},"modified":"2018-03-11T10:25:46","modified_gmt":"2018-03-11T10:25:46","slug":"magmatismo-neoproterozoico-en-el-antiforme-del-nacea","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/petrologia-ignea-y-metamorfica\/magmatismo-neoproterozoico-en-el-antiforme-del-nacea\/","title":{"rendered":"Magmatismo neoproterozoico en el antiforme del nacea"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Alvaro Rubio Ordo\u00f1ez <\/strong><\/h2>\n<p>El antiforme del narcea est\u00e1 situado en la transici\u00f3n de las zonas internas al antepa\u00eds del cintur\u00f3n varisco en el nw del macizo ib\u00e9rico. Constituido por un apilamiento antiformal con pliegues de propagaci\u00f3n de falla, en el n\u00facleo del mismo aflora una unidad de rocas neoproterozoicas llamada fm. Pizarras del narcea. Esta unidad est\u00e1 formada por dos series de diferentes edades, allande y navelgas (580-560 ma respectivamente). La unidad de allande est\u00e1  constituida por una secuencia de rocas volc\u00e1nicas, volcanosedimentarias y sedimentarias donde intruye un conjunto de rocas plut\u00f3nicas. Estas rocas \u00edgneas son de naturaleza calcoalcalina, con altos contenidos en k y mg.   La unidad de navelgas est\u00e1 formada por una secuencia de rocas sedimentarias, donde aparecen varios complejos volc\u00e1nicos de peque\u00f1as dimensiones, de caracter\u00edsticas calcoalcalinas, pero con una alteraci\u00f3n hidrotermal  moderada  a intensa.  las rocas en ambas unidades est\u00e1n deformadas de manera heterog\u00e9nea durante el varisco. Recubriendo a estas unidades aparece una unidad silicicl\u00e1stica denominada fm. Herrer\u00eda-c\u00e1ndana. En el flanco este del antiforme del narcea esta formaci\u00f3n comienza con un miembro conglomer\u00e1tico, con cantos volc\u00e1nicos de edad similar a las rocas de la unidad de allande. Estos cantos no est\u00e1n deformados y muestran una intensa alteraci\u00f3n hidrotermal.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Magmatismo neoproterozoico en el antiforme del nacea<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Magmatismo neoproterozoico en el antiforme del nacea <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Alvaro Rubio Ordo\u00f1ez <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Oviedo<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 23\/07\/2010<\/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>Andres Cuesta Fern\u00e1ndez<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Luis guillermo Corretg\u00e9 casta\u00f1\u00f3n <\/li>\n<li>gabriel Gutierrez alonso (vocal)<\/li>\n<li>Juan  ignacio Gil ibarguchi (vocal)<\/li>\n<li>Jos\u00e9 Mar\u00eda Ugidos meana (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Alvaro Rubio Ordo\u00f1ez El antiforme del narcea est\u00e1 situado en la transici\u00f3n de las zonas internas al [&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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