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Cronología y estratigrafía de registros aluviales del Pleistoceno superior en Bardenas Reales de Navarra: implicaciones paleoambientales

AuthorsSancho, Carlos; Muñoz, Arsenio; Rhodes, Edward J.; McDonald, E.; Peña, José Luis; Benito, Gerardo ; Longares, L. A.
Issue Date2008
AbstractQuaternary gravel deposits covering the bottom of the Bardena Blanca depression (Central Ebro Basin, Navarra) have been studied. Three Late Pleistocene units (Qt1, Qt2 and Qt3) of gravel accumulation have been differentiated using geomorphologic mapping, sedimentological analysis and optically stimulated luminescence techniques. Chronological data show ages of 92, 52 and 15-21 ka respectively, which are closely related to cold climate signals at regional scale. Aggradation in braided channel systems was mainly controlled by increases in runoff and sediment supply.
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