{"id":69572,"date":"2018-03-09T23:14:02","date_gmt":"2018-03-09T23:14:02","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/bioestratigrafa%c2%ada-y-paleoecologa%c2%ada-de-la-formacion-valdemiedes-cambrico-inferior-medio-en-las-cadenas-ibericas\/"},"modified":"2018-03-09T23:14:02","modified_gmt":"2018-03-09T23:14:02","slug":"bioestratigrafa%c2%ada-y-paleoecologa%c2%ada-de-la-formacion-valdemiedes-cambrico-inferior-medio-en-las-cadenas-ibericas","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/zaragoza\/bioestratigrafa%c2%ada-y-paleoecologa%c2%ada-de-la-formacion-valdemiedes-cambrico-inferior-medio-en-las-cadenas-ibericas\/","title":{"rendered":"Bioestratigraf\u00eday paleoecolog\u00eda de la formaci\u00f3n valdemiedes (c\u00e1mbrico inferior-medio) en las cadenas ib\u00e9ricas."},"content":{"rendered":"<h2>Tesis doctoral de <strong> Mar\u00eda Eugenia Dies \u00e1lvarez <\/strong><\/h2>\n<p>La formaci\u00f3n valdemiedes de las cadenas ib\u00e9ricas es una de las formaciones m\u00e1s citadas en bibliograf\u00eda por registrarse en ella el l\u00edmite c\u00e1mbrico inferior- medio (bilbiliense-leoniense). En este trabajo se ha revisado su estratigraf\u00eda y paleontolog\u00eda en cinco secciones, centrando el estudio en el grupo de los trilobites. las secciones rambla de valdemiedes 1 y 2 de murero (rv1 y rv2) y la secci\u00f3n villafeliche 1 (vi1) se sit\u00faan al sur y se caracterizan por el predominio de materiales silicicl\u00e1sticos (facies de pizarras con trilobites) durante el bilbiliense (c\u00e1mbrico inferior tard\u00edo) y alternancias de carbonatos y silicicl\u00e1sticos (facies rizada) durante el leoniense (c\u00e1mbrico medio temprano). Las secciones ateca 16 (at16) y jarque 1 (j1) se sit\u00faan al norte y se caracterizan por el desarrollo de la facies rizada tanto en el bilbiliense como en el leoniense. En la secci\u00f3n de ateca situada m\u00e1s al no son muy frecuentes los niveles de calizas biocl\u00e1sticas. Esta diferencia facial fue ya explicada por la mayor subsidencia acaecida en el sur de la cuenca respecto al norte durante el bilbiliense superior. se ha completado la nomenclatura y el glosario de t\u00e9rminos utilizados por li\u00f1\u00e1n y gozalo (1986), con los nuevos t\u00e9rminos aparecidos en whittington y kelly (1997). se ha llevado a cabo el estudio y revisi\u00f3n de los trilobites del tr\u00e1nsito c\u00e1mbrico inferio-medio de las cadenas ib\u00e9ricas determin\u00e1ndose que consta de los siguientes taxones: protolenus dimarginatus, protolenus termierelloides, protolenus interscriptus, protolenus pisidianus, protolenus jilocanus, hamatolenus (hamatolenus) ibericus, hamatolenus (myopsolenus) sp. A, hamatolenus (lotzeia) lotzei, hamatolenus (lotzeia) sp., Alueva undulata, alueva hastata, alueva moratrix, kingaspis (kingaspidoides) sp., Kingaspis (kingaspis) campbelli, kingaspis (kingaspis) sp., Acadoparadoxides mureroensis, acadoparadoxides? Cf. Harlani, eccaparadoxides sdzuyi, onaraspis altus, sdzuyia sanmamesi, tonkin<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Bioestratigraf\u00eday paleoecolog\u00eda de la formaci\u00f3n valdemiedes (c\u00e1mbrico inferior-medio) en las cadenas ib\u00e9ricas.<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Bioestratigraf\u00eday paleoecolog\u00eda de la formaci\u00f3n valdemiedes (c\u00e1mbrico inferior-medio) en las cadenas ib\u00e9ricas. <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Mar\u00eda Eugenia Dies \u00e1lvarez <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Zaragoza<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 20\/07\/2004<\/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>Eladio Li\u00f1an Guijarro<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: jenaro Luis Garcia alcalde fernandez <\/li>\n<li> R\u00e1bano guti\u00e9rrez del arroyo isabel (vocal)<\/li>\n<li>Antonio Perej\u00f3n rinc\u00f3n (vocal)<\/li>\n<li>per Ahlberg (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Mar\u00eda Eugenia Dies \u00e1lvarez La formaci\u00f3n valdemiedes de las cadenas ib\u00e9ricas es una de las formaciones m\u00e1s [&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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