{"id":63951,"date":"2018-03-09T22:51:57","date_gmt":"2018-03-09T22:51:57","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/foramina%c2%adferos-planctonicos-del-oligoceno-bioestratigrafa%c2%ada-cronoestratigrafa%c2%ada-y-reconstruccion-paleoambiental\/"},"modified":"2018-03-09T22:51:57","modified_gmt":"2018-03-09T22:51:57","slug":"foramina%c2%adferos-planctonicos-del-oligoceno-bioestratigrafa%c2%ada-cronoestratigrafa%c2%ada-y-reconstruccion-paleoambiental","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/paleoclimatologia\/foramina%c2%adferos-planctonicos-del-oligoceno-bioestratigrafa%c2%ada-cronoestratigrafa%c2%ada-y-reconstruccion-paleoambiental\/","title":{"rendered":"Foramin\u00edferos planct\u00f3nicos del oligoceno: bioestratigraf\u00eda,  cronoestratigraf\u00eday  reconstrucci\u00f3n paleoambiental"},"content":{"rendered":"<h2>Tesis doctoral de <strong>  Cruz Guevara Luis Enrique <\/strong><\/h2>\n<p>El objetivo primordial de este trabajo de investigaci\u00f3n ha sido el  estudio de la  evoluci\u00f3n de las asociaciones de los foramin\u00edferos  planct\u00f3nicos durante el eoceno  superior- mioceno inferior en secciones  de paleolatitudes bajas y medias, as\u00ed como de  sus aplicaciones  bioestratigr\u00e1ficas y paleoecol\u00f3gicas. Se ha realizado el estudio   micropaleontol\u00f3gico, bioestratigr\u00e1fico y paleoambiental con  foramin\u00edferos planct\u00f3nicos  del eoceno superior al mioceno inferior de   tres secciones que incluyen los siguientes  intervalos  cronoestratigr\u00e1ficos del pale\u00f3geno: el tr\u00e1nsito eoceno-oligoceno de  las  secciones de fuente caldera (b\u00e9ticas) y de noro\u00f1a (cuba), el  tr\u00e1nsito  rupeliense-chattiense de la secci\u00f3n de fuente caldera  (b\u00e9ticas), y el tr\u00e1nsito  oligoceno-mioceno de la secci\u00f3n de zarabanda  (b\u00e9ticas). Se han revisado taxon\u00f3micamente  un total de 29 g\u00e9neros y  118 especies de foramin\u00edferos planct\u00f3nicos durante el intervalo  que  oscila entre el priaboniense y el aquitaniense inferior. Como  resultado queda  abierta la posibilidad del establecimiento de nuevos  taxones, aunque por razones de  prudencia y formalidad no se han  definido en este trabajo. Se ha propuesto una  biozonaci\u00f3n que abarca  desde la parte media del eoceno superior hasta la base del  mioceno  inferior. Esta biozonaci\u00f3n est\u00e1 basada en el estudio de la  distribuci\u00f3n  vertical de las especies, concretamente en la posici\u00f3n de  sus primeros y \u00faltimos  registros. Se ha realizado un muestreo de alta  resoluci\u00f3n para los l\u00edmites  eoceno\/oligoceno, rupeliense\/chattiense y  oligoceno\/mioceno, en la que se establecen  biozonas de detalle que  permiten tener un buen control estratigr\u00e1fico de estos l\u00edmites  en  bajas y medias latitudes. Seg\u00fan este esquema, la parte estudiada del  eoceno superior  se divide en tres biozonas: zona de globigerinatheka  semiinvoluta, zona de  globigerinatheka index y zona de hantkenina  alabamensis. El oligoceno se divide<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Foramin\u00edferos planct\u00f3nicos del oligoceno: bioestratigraf\u00eda,  cronoestratigraf\u00eday  reconstrucci\u00f3n paleoambiental<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Foramin\u00edferos planct\u00f3nicos del oligoceno: bioestratigraf\u00eda,  cronoestratigraf\u00eday  reconstrucci\u00f3n paleoambiental <\/li>\n<li><strong>Autor:<\/strong>\u00a0  Cruz Guevara Luis Enrique <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Zaragoza<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 14\/04\/2008<\/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: Francisco Serrano lozano <\/li>\n<li>carmen Sierro dominguez (vocal)<\/li>\n<li>Francisco Sierro sanchez (vocal)<\/li>\n<li>ignacio Arenillas sierra (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Cruz Guevara Luis Enrique El objetivo primordial de este trabajo de investigaci\u00f3n ha sido el estudio de [&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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