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handle: 20.500.14352/42489 , 10261/5525
[ES] La Formación Areniscas de Manuel o K2 de Ortí (1974) constituye una intercalación siliciclástica en la parte media de la facies Keuper del SE de España. Originada durante un periodo de mar bajo (LST), se puede subdividir en tres ciclos menores reconocibles en toda la zona que aquí se estudia. Su edad puede establecerse mediante asociaciones de palinomorfos siendo Cordovoliense superior Juliense inferior (Carniense inferior-medio). Se presenta una correlación estratigráfica detallada desde Alhambra (Ciudad Real) y Chiclana de Segura (Jaén) hasta Jaraco (Valencia) y se discuten las causas climáticas, tectónicas y eustáticas del cambio lateral desde las facies evaporíticas arcillosas del Keuper del Levante español a las exclusivamente siliciclásticas del SE de la Península.
[EN] The Manuel Sandstone Formation or K2 from Ortí (1974) is a clastic intercalation in the middle of the Keuper facies of SE Spain. This formation corresponds to a low-stand systems tract (LST) and it can be subdivided into three minor cycles that can be traced all over the area here studied. Its age is late Cordevolian-early Julian (lower-middle Karnian) according to the palynomorphs that are found in several localities. A stratigraphical correlation of the formation from Alhambra (Ciudad Real) and Chiclana de Segura (Jaén) to Jaraco (Valencia) is shown, and the mutual influences of climate, tectonics and eustatism that controlled the lateral change from a classic Keuper facies from the E to a purely siliciclastic one to the Ware discussed.
Los autores desean agradecer a Modesto Escudero y a Carlos Sánchez su ayuda en la realización de las figuras. Igualmente, agradecen las precisas y oportunas aportaciones llevadas a cabo por los profesores Federico Ortí (Universidad de Barcelona) y Alberto Pérez López (Universidad de Granada) durante la etapa de revisión del manuscrito. Esta es una contribución al Proyecto PB 98–0488 del Ministerio de Investigación y Tecnología.
Peer reviewed
Carniense, 2506.19 Estratigrafía, fluvial, Zona Prebética, Triásico Superior, Prebetic Zone, Macizo Hespérico, Keuper, Geología estratigráfica, Upper Triassic, 551.761, fluvial style, Fluvial styles, Hesperian Massif, Fluvial, Karnian
Carniense, 2506.19 Estratigrafía, fluvial, Zona Prebética, Triásico Superior, Prebetic Zone, Macizo Hespérico, Keuper, Geología estratigráfica, Upper Triassic, 551.761, fluvial style, Fluvial styles, Hesperian Massif, Fluvial, Karnian
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