Submarine canyons and related features in the Alboran Sea: continental margins and major isolated reliefs
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AuthorsVázquez, J.T. (Juan Tomás); Ercilla, G.; Alonso, B.; Juan, C.; Rueda, J.L. (José Luis); Palomino, D. (Desirée); Fernández-Salas, L.M. (Luis Miguel); Barcenas, P.; Casas, D.; Díaz-del-Río-Español, V. (Víctor); Estrada, F.; Farran, M.; García, M.; González-García, E. (Emilio); López-González, N. (Nieves); El Moumni, B.
The analysis of a data set of multibeam bathymetry plus high resolution seismic and parametric profiles allow us to characterize the geomorphologic units on the Alboran Sea-floor as well as the evolution of morpho-sedimentary systems along the Pliocene and Quaternary, later than the main erosive Messinian event. Since the opening of the Gibraltar Straits, the sedimentary evolution of this basin has been controlled by the interchange of water masses between the Atlantic Ocean and the Mediterranean Sea. Basin physiography is also a consequence of the Pliocene-Quaternary compression which has progressively uplifted the sourrounding reliefs and deforms the interior and the margins of the basin. On this scenario, several submarine canyons and gullies have been developed in this basin which traverse especially the northern margin and the flanks of the Northern Alboran Ridge, without affecting the African margins. This fact must be related to the action of bottom contour currents which ...
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