{"id":104260,"date":"2018-03-11T10:27:07","date_gmt":"2018-03-11T10:27:07","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/origen-y-ciclicidad-de-las-plataformas-carbonatadas-westfalienses-en-los-sectores-de-piedrafita-lillo-y-lois-ciguera-zona-cantabrica-ne-de-leon\/"},"modified":"2018-03-11T10:27:07","modified_gmt":"2018-03-11T10:27:07","slug":"origen-y-ciclicidad-de-las-plataformas-carbonatadas-westfalienses-en-los-sectores-de-piedrafita-lillo-y-lois-ciguera-zona-cantabrica-ne-de-leon","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/estratigrafia\/origen-y-ciclicidad-de-las-plataformas-carbonatadas-westfalienses-en-los-sectores-de-piedrafita-lillo-y-lois-ciguera-zona-cantabrica-ne-de-leon\/","title":{"rendered":"Origen y ciclicidad de las plataformas carbonatadas westfalienses en los sectores de piedrafita-lillo y lois-ciguera, zona cant\u00e1brica (ne de le\u00f3n)"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Diego Corrochano Fern\u00e1ndez <\/strong><\/h2>\n<p>El objetivo de esta tesis es profundizar en el conocimiento cartogr\u00e1fico, estratigr\u00e1fico, sedimentol\u00f3gico y tectono-sedimentario de los materiales del grupo lena (westfaliense, carbon\u00edfero), presentes en los sectores piedrafita-lillo y lois-ciguera, del borde suroriental de la cuenca carbon\u00edfera central (zona cant\u00e1brica, ne de le\u00f3n). el grupo lena se ha dividido por primera vez en esta regi\u00f3n, en una serie de formaciones que han sido cartografiadas en dos mapas geol\u00f3gicos a escala 1:20.000.  En todas ellas se han descrito sus rasgos litol\u00f3gicos y paleontol\u00f3gicos caracter\u00edsticos. En el caso de la fm calizas de bachende (podolskiense\/myachkoviense), se ha descrito, adem\u00e1s, una nueva especie f\u00f3sil denominada loisphyllum bachendensis. complementando el estudio litoestratigr\u00e1fico y sedimentol\u00f3gico, se ha llevado a cabo un an\u00e1lisis secuencial utilizando el modelo de secuencias transgresivas-regresivas (t-r). Se ha comprobado que los ciclos de elevada frecuencia, con periodicidades cercanas a los 20 y 40 ka, constituyen los elementos fundamentales en la organizaci\u00f3n estratigr\u00e1fica de la sucesi\u00f3n carbon\u00edfera estudiada. Estas frecuencias son muy similares a las de los ciclos orbitales de milankovitch de precesi\u00f3n y oblicuidad, y se relacionan con variaciones glacioeust\u00e1ticas del nivel del mar motivadas por el hielo y deshielo de los glaciares continentales de gondwana. La ciclicidad manifestada en estos materiales, est\u00e1 mejor representada durante el moscoviense superior, coincidiendo con un aumento considerable en las tasas de subsidencia y de sedimentaci\u00f3n, indicando que \u00e9stas jugaron un papel determinante en la arquitectura estratigr\u00e1fica de la sucesi\u00f3n.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Origen y ciclicidad de las plataformas carbonatadas westfalienses en los sectores de piedrafita-lillo y lois-ciguera, zona cant\u00e1brica (ne de le\u00f3n)<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Origen y ciclicidad de las plataformas carbonatadas westfalienses en los sectores de piedrafita-lillo y lois-ciguera, zona cant\u00e1brica (ne de le\u00f3n) <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Diego Corrochano Fern\u00e1ndez <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Salamanca<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 15\/10\/2010<\/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>Pedro Barba Regidor<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: elisa Villa otero <\/li>\n<li>oscar Antonio Merino tome (vocal)<\/li>\n<li>Juan  ramon Bahamonde rionda (vocal)<\/li>\n<li>nemesio Heredia carballo (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Diego Corrochano Fern\u00e1ndez El objetivo de esta tesis es profundizar en el conocimiento cartogr\u00e1fico, estratigr\u00e1fico, sedimentol\u00f3gico y [&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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