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Título: Unraveling the climatic influence on the stacking density of fluvial successions: upper cretaceous Bajo Barreal Formation (Golfo San Jorge Basin, Argentina)
Autor(es): Paredes, José
Lizzoli, Sabrina
Valle, Mauro
Olazábal, Sabrina
Foix, Nicolás
Tunik, Maisa Andrea
Allard, José
Fecha de publicación: nov-2024
Revista: XXII Congreso Geológico Argentino
Resumen: Our research on the Upper Cretaceous Bajo Barreal Formation presents a unique perspective on the vertical (temporal) changes in the stacking density of fluvial channel belt deposits, a characteristic feature of ancient successions at outcrop and subsurface. While it's commonly accepted that the occurrence of high and low-accommodation systems tracts is influenced by the rate of sediment supply and space available for sedimentation, the relative importance of tectonic (changes in basin subsidence), base level, and climate (changes in water supply, sediment supply, paleosols, and vegetation types) remains unclear. To shed light on this, we conducted a comprehensive analysis of the distribution, external architecture, and internal organization of channel belt deposits, as well as a paleopedological study in the ~ 385 m thick succession of the Cerro Ballena anticline, southwest area of the Golfo San Jorge basin, Patagonia.
URI: http://rid.unrn.edu.ar/handle/20.500.12049/13561
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Este documento es resultado del financiamiento otorgado por el Estado Nacional, por lo tanto queda sujeto al cumplimiento de la Ley N° 26.899


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