{"id":79313,"date":"2018-03-09T23:25:06","date_gmt":"2018-03-09T23:25:06","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/analisis-de-eventos-del-paleogeno-con-foraminiferos-bentonico-taxonomia-reconstruccion-paleoambiental-y-aplicacion-cronoestratigrafica\/"},"modified":"2018-03-09T23:25:06","modified_gmt":"2018-03-09T23:25:06","slug":"analisis-de-eventos-del-paleogeno-con-foraminiferos-bentonico-taxonomia-reconstruccion-paleoambiental-y-aplicacion-cronoestratigrafica","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/paleontologia\/analisis-de-eventos-del-paleogeno-con-foraminiferos-bentonico-taxonomia-reconstruccion-paleoambiental-y-aplicacion-cronoestratigrafica\/","title":{"rendered":"Analisis de eventos del paleogeno con foraminiferos bentonico.  taxonomia, reconstruccion paleoambiental y aplicacion cronoestratigrafica."},"content":{"rendered":"<h2>Tesis doctoral de <strong> Silvia Ortiz Sainz-aja <\/strong><\/h2>\n<p>Durante el periodo pale\u00f3geno, que abarca los primeros 41 millones de a\u00f1os de la era cenozoica, el clima terrestre experiment\u00f3 continuos cambios. De un clima c\u00e1lido sin casquetes de hielo en los polos, se pas\u00f3 a un clima m\u00e1s fr\u00edo y heterog\u00e9neo con casquetes polares en el oligoceno. A estos cambios graduales de escala global se les superpusieron otros eventos  m\u00e1s r\u00e1pidos y de menor magnitud, siendo el m\u00e1s prominente el que tuvo lugar durante el l\u00edmite paleoceno\/eoceno, al que se le conoce como el m\u00e1ximo t\u00e9rmico del eoceno inicial (ietm), durante el cual las temperaturas globales fueron extremadamente altas. Dada la singularidad del pale\u00f3geno y tratando de aplicar los datos micropaleontol\u00f3gicos a la soluci\u00f3n de problemas cronoestratigr\u00e1ficos, se han seleccionado varios bioeventos en diferentes secciones para analizarlos por medio de los peque\u00f1os foramin\u00edferos bent\u00f3nicos: el l\u00edmite daniense\/selandiense (paleoceno inferior\/superior) en la secci\u00f3n de zumaya (pirineo vasco-cant\u00e1brico; el l\u00edmite thanetiense\/ypresiense (paleoceno\/eoceno) en la secci\u00f3n estratot\u00edpica de dababiya (egipto), el l\u00edmite ypresiense\/luteciense (eoceno inferior\/medio) en la secci\u00f3n de fortuna (b\u00e9ticas) y el l\u00edmite priaboniense\/rupeliense (eoceno\/oligoceno) en la secci\u00f3n de fuente caldera (b\u00e9ticas). se ha elegido el grupo de los foramin\u00edferos bent\u00f3nicos por ser uno de los principales componentes de las comunidades marinas, muy sensibles ambientalmente y por ser los organismos bent\u00f3nicos m\u00e1s abundantes en el registro f\u00f3sil. As\u00ed, se ha realizado una exhaustiva revisi\u00f3n taxon\u00f3mica, reconoci\u00e9ndose m\u00e1s de 450 taxones de peque\u00f1os foramin\u00edferos bent\u00f3nicos de los que se han seleccionado 203 para analizarlos en detalle, compar\u00e1ndolos cuando ha sido posible con el material-tipo.  el estudio cuantitativo de las asociaciones de foramin\u00edferos bent\u00f3nicos de cada nivel estratigr\u00e1fico estudiado, ha permitido establecer estadios cuantitativos y ecozonas, as\u00ed como ob<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Analisis de eventos del paleogeno con foraminiferos bentonico.  taxonomia, reconstruccion paleoambiental y aplicacion cronoestratigrafica.<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Analisis de eventos del paleogeno con foraminiferos bentonico.  taxonomia, reconstruccion paleoambiental y aplicacion cronoestratigrafica. <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Silvia Ortiz Sainz-aja <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Zaragoza<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 30\/03\/2006<\/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>Eustoquio Martinez Molina<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal:  Usera mata Juan  manuel <\/li>\n<li>michael Kamiski (vocal)<\/li>\n<li>hanspeter Luterbacher (vocal)<\/li>\n<li> Arz sola Jos\u00e9 Antonio (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Silvia Ortiz Sainz-aja Durante el periodo pale\u00f3geno, que abarca los primeros 41 millones de a\u00f1os de la [&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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