{"id":15498,"date":"2002-08-02T00:00:00","date_gmt":"2002-08-02T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/geologia-minerologia-evolucion-y-modelo-genetico-del-yacimiento-de-oro-cobre-de-el-valle-boinas-belmonte-asturias\/"},"modified":"2002-08-02T00:00:00","modified_gmt":"2002-08-02T00:00:00","slug":"geologia-minerologia-evolucion-y-modelo-genetico-del-yacimiento-de-oro-cobre-de-el-valle-boinas-belmonte-asturias","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-de-la-tierra-y-del-espacio\/geologia-minerologia-evolucion-y-modelo-genetico-del-yacimiento-de-oro-cobre-de-el-valle-boinas-belmonte-asturias\/","title":{"rendered":"Geolog\u00eda minerolog\u00eda, evolucion y modelo genetico del yacimiento de oro-cobre de el valle-boinas, belmonte (asturias)."},"content":{"rendered":"<h2>Tesis doctoral de <strong>  Cepedal Hernandez M. Antonia <\/strong><\/h2>\n<p>El yacimiento del el valle-boin\u00e1s est\u00e1 situado a unos 45 km. De oviedo, en el occidente de asturias, dentro del cintur\u00f3n del rio narcea, uno de los m\u00e1s importantes distritos aur\u00edferos que existen en el no de la peninsula iberica. Este yacimiento est\u00e1 directamente relacionado con el stck de boinas (300+-6-ma), que intruy\u00f3 a favor de fracturas de alto \u00e1ngulo de direcciones ne-so, no-se y e-o a ono-ese, en los materiales silicl\u00e1sticos de la formaci\u00f3n oville y las rocas carbonatadas de la formaci\u00f3n l\u00e1ncara. La intrusi\u00f3n genera un metamorfismo de contacto de grado medio a bajo, y un importante metasomatismo de tipo skarn. Se han definido dos tipos de skarn: uno magnesico, formado por di\u00f3psido, fosterita, serpentina, tremolita, flogopita, calcopirtia, prirrotina y bornita, y otro calcico formado fundamentalmente por granate, piroxeno, wollastonita,epidota, anf\u00edbol, feldespato pot\u00e1sico, clorita, calcopirita, bornita, pirrotina, pirita y arsenopirita. El au esta asociado a wittichenita, bismuto, nativo, bismutinitay telurosos de ag y au. La formaci\u00f3n del skarn tuvo lugar a unas temperaturas maximas comprendidas entre 600 y 700\u00c2\u00bac, a partir de un fluido predominantemente magm\u00e1tico y de salinidad alta (&gt;63% nacleq), y  a una presi\u00f3n en torno a 1 kbar. Las temperaturas del estadio de retrograci\u00f3n se situaron entre 450 y 360\u00c2\u00ba c en la primera etapa, y entre 360 y 250\u00c2\u00ba c en la segunda etapa, a presiones de entre 0,4 y 0,25 kbar. La ultima etapa es la m\u00e1s importante en lo que respecta a la mineralizaci\u00f3n de au. Posteriormente a la formaci\u00f3n del skarn tuvo lugar la intrusi\u00f3n de diques de car\u00e1cter subvolcanico (entre 248+-8 y 272+-5 ma, y entre 255+-5 y 233+- 10 ma), y un hidrotermalismo con desarrollo de silicificaciones y mineralizaciones tardias sobreimopuestas al skarn. finalmente, durante la orogenia alpina tuvo lugar una nueva deformaci\u00f3n del yacimiento, con desarrollo de brechas y removilizaci\u00f3n parcial de las minerali<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Geolog\u00eda minerolog\u00eda, evolucion y modelo genetico del yacimiento de oro-cobre de el valle-boinas, belmonte (asturias).<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Geolog\u00eda minerolog\u00eda, evolucion y modelo genetico del yacimiento de oro-cobre de el valle-boinas, belmonte (asturias). <\/li>\n<li><strong>Autor:<\/strong>\u00a0  Cepedal Hernandez M. Antonia <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Oviedo<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 08\/02\/2002<\/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>Agustin Martin Izard<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Antonio Arribas moreno <\/li>\n<li>Francisco Velasco roldan (vocal)<\/li>\n<li>Jes\u00fas Garcia iglesias (vocal)<\/li>\n<li>Jos\u00e9 Lopez ruiz (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Cepedal Hernandez M. Antonia El yacimiento del el valle-boin\u00e1s est\u00e1 situado a unos 45 km. De oviedo, [&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 center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"footnotes":""},"categories":[950,27,953,49404,232,8846],"tags":[13177,13175,49405,4039,6952,14355],"class_list":["post-15498","post","type-post","status-publish","format-standard","hentry","category-ciencias-de-la-atmosfera","category-ciencias-de-la-tierra-y-del-espacio","category-geologia","category-luminiscencia-atmosferica","category-mineralogia","category-oviedo","tag-agustin-martin-izard","tag-antonio-arribas-moreno","tag-cepedal-hernandez-m-antonia","tag-francisco-velasco-roldan","tag-jesus-garcia-iglesias","tag-jose-lopez-ruiz"],"_links":{"self":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/15498","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/comments?post=15498"}],"version-history":[{"count":0,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/15498\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/media?parent=15498"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/categories?post=15498"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/tags?post=15498"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}