{"id":33004,"date":"1997-07-07T00:00:00","date_gmt":"1997-07-07T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/caracterizacion-mineralogica-y-geoquimica-de-materiales-detriticos-precambricos-y-paleozoicos-de-las-cadenas-ibericas-evolucion-post-sedimentaria\/"},"modified":"1997-07-07T00:00:00","modified_gmt":"1997-07-07T00:00:00","slug":"caracterizacion-mineralogica-y-geoquimica-de-materiales-detriticos-precambricos-y-paleozoicos-de-las-cadenas-ibericas-evolucion-post-sedimentaria","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-de-la-tierra-y-del-espacio\/caracterizacion-mineralogica-y-geoquimica-de-materiales-detriticos-precambricos-y-paleozoicos-de-las-cadenas-ibericas-evolucion-post-sedimentaria\/","title":{"rendered":"Caracterizacion mineralogica y geoquimica de materiales detriticos precambricos  y paleozoicos de las cadenas ibericas: evolucion post-sedimentaria."},"content":{"rendered":"<h2>Tesis doctoral de <strong> Blanca Bauluz Lazaro <\/strong><\/h2>\n<p>El uso combinado de t\u00e9cnicas mineral\u00f3gicas y geoqu\u00edmicas en el estudio de los niveles detr\u00edticos prec\u00e1mbricos y paleozoicos de las cadenas ib\u00e9ricas ha puesto de manifiesto que est\u00e1n formados fundamentalmente por diversas proporciones de cuarzo, fases mic\u00e1ceas, cloritas y caolinitas. Las diferencias que presentan los par\u00e1metros cristaloqu\u00edmicos (drx) de los filosilicatos principales en las fracciones 20-2mi y &lt;2mi indican que en la fracci\u00f3n m\u00e1s grosera se concentran fundamentalmente los de origen detr\u00edtico.  los rangos composicionales de las micas detr\u00edticas (empa, sem) permiten deducir que los aportes durante el paleozoico y prec\u00e1mbrico fueron composicionalmente heterog\u00e9neos, por lo que el \u00e1rea fuente pudo ser un \u00e1rea compleja o bien provinieron de dos tipos de \u00e1reas fuente, por otra parte, la presencia de caolinita detr\u00edtica en el dev\u00f3nico y sil\u00farico refleja la existencia de intensos procesos de meteorizaci\u00f3n qu\u00edmica en el \u00e1rea fuente.  el grado de evoluci\u00f3n post-sedimentario de estos materiales, inferido a partir de los par\u00e1metros y composiciones de las ilitas de las fracciones menor 2mi, progresa desde  \u00e1mbitos diagen\u00e9ticos para las rocas dev\u00f3nicas hasta grados de anquizona alta para las prec\u00e1mbricas, dicha evoluci\u00f3n estuvo controlada principalmente por el enterramiento. La presencia sistem\u00e1tica de proporciones variables de micas detr\u00edticas en las fracciones m\u00e1s finas sugiere que los citados grados de evoluci\u00f3n podr\u00edan estar sobrestimados.  las composiciones de las fases de las fracciones &lt;2mi (aem\/tem) indican la presencia de ilitas autig\u00e9nicas y micas detr\u00edticas, presentando las primeras variaciones composicionales posiblemente debidas a la presencia de porcentajes variables de esmectita interestratificada. La coexistencia de fases detr\u00edticas y autig\u00e9nicas y la amplia variaci\u00f3n composicional que presentan son indicativas de que en ning\u00fan caso el sistema ha alcanzado el equil<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Caracterizacion mineralogica y geoquimica de materiales detriticos precambricos  y paleozoicos de las cadenas ibericas: evolucion post-sedimentaria.<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Caracterizacion mineralogica y geoquimica de materiales detriticos precambricos  y paleozoicos de las cadenas ibericas: evolucion post-sedimentaria. <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Blanca Bauluz Lazaro <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Zaragoza<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 07\/07\/1997<\/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>Jos\u00e9 Manuel Gonzalez Lopez<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: emilio Galan huertos <\/li>\n<li>Francisco Lopez  aguayo (vocal)<\/li>\n<li>Jos\u00e9 Gonzalez Martinez (vocal)<\/li>\n<li>Fernando Nieto garcia (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Blanca Bauluz Lazaro El uso combinado de t\u00e9cnicas mineral\u00f3gicas y geoqu\u00edmicas en el estudio de los niveles [&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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