Biodinámica de comunidades macro y micropaleontológicas en el Messiniense y Zancliense del borde oeste de la Cuenca de Bou Regreg (Norte de Marruecos)

1. Civis Llovera, Jorge
2. González Delgado, José Ángel
3. González Lucas, Carlos
4. Alonso Gavilán, Gaspar
5. Valle Hernández, María Filomena

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Otras publicaciones en: Geotemas (Madrid)

Resumen

In this work we analyze the Mollusks, Foraminifers, Ostracods and the Palinology (Pollen and Dynoflallates), from two representative section of the Upper Neogene from the west edge of the Bou Regreg basin (Morocco): Oued Arjat and Salé. In O. Arjat, a hiatus detaches the lower levels (dated as Upper Messinian) from the upper levels (Upper Zanclean). In Salé, all the section are of Lower Zanclean age. The fossil record of the lower levels of Oued Arjat suggests a paleoenviroment of an outer marine shelf because of the abundance of Planulina ariminensis, the Krithe/Parakrithe group and Spiniferites/Achomosphaera. In Salé and upper levels of O. Arjat, macro and microfossils suggest a nearshore inner marine shels.

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