{"id":129951,"date":"1996-01-01T00:00:00","date_gmt":"1996-01-01T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/geologia-mineralogia-y-genesis-de-las-mineralizaciones-de-wollastonita-de-merida-extremadura\/"},"modified":"1996-01-01T00:00:00","modified_gmt":"1996-01-01T00:00:00","slug":"geologia-mineralogia-y-genesis-de-las-mineralizaciones-de-wollastonita-de-merida-extremadura","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-de-la-tierra-y-del-espacio\/geologia-mineralogia-y-genesis-de-las-mineralizaciones-de-wollastonita-de-merida-extremadura\/","title":{"rendered":"Geolog\u00eda, mineralogia y genesis de las mineralizaciones de wollastonita de merida (extremadura)."},"content":{"rendered":"<h2>Tesis doctoral de <strong> Juan  Carlos Fernandez Caliani <\/strong><\/h2>\n<p>Las mineralizaciones de wollastonita del area de merida se localizan en la zona interna de la aureola de contacto de un pluton granitico tardihercinico, en relacion espacial y genetica con niveles de chert intercalados en unas calizas carbonosas, atribuidas al cambrico inferior.  en general, presentan morfolog\u00edas bandeadas, y estan constituidas por wollastonita-tc, con algunas impurezas de diopsido y, mas raramente vesubianita y granate. La wollastonita se ha originado en un sistema metamorfico abierto, a partir de la reaccion de las calizas con los niveles de chert, en presencia de un fluido muy acuoso, hipersalino, y de derivacion magmatica, compuesto originariamente por h2o-nacl-(kcl)-hcl y silice acuosa, que fue infiltrado en la aureola de contacto a favor de las juntas de estratificacion y fracturas, en una etapa subsiguiente al metamorfismo isoquimico. La transferencia de materia entre las calizas y los niveles de chert se produjo por metasomatismo bidifusional de cao y sio2 en sentido inverso, como respuesta al gradiente de potencial quimico establecido. Las condiciones de formacion de la wollastonita han sido estimadas en: p=500 bares, t=550-580 c, y xco2=0,05. De acuerdo con la pureza y la acicularidad del mineral, se podria emplear en la industria ceramica y como agente de carga.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Geolog\u00eda, mineralogia y genesis de las mineralizaciones de wollastonita de merida (extremadura).<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Geolog\u00eda, mineralogia y genesis de las mineralizaciones de wollastonita de merida (extremadura). <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Juan  Carlos Fernandez Caliani <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Sevilla<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 01\/01\/1996<\/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>Emilio Galan Huertos<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Francisco Velasco Roldan <\/li>\n<li>Magdalena Rodas Gonzalez (vocal)<\/li>\n<li>C\u00e9sar Casquet Mart\u00edn (vocal)<\/li>\n<li>Miguel Ortega Huertas (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Juan Carlos Fernandez Caliani Las mineralizaciones de wollastonita del area de merida se localizan en la zona [&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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