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DIGITAL.CSIC
Conference object . 2013 . Peer-reviewed
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Arquitectura estratigráfica de los sistemas turbidíticos del Plio-Cuaternario en el Mar de Alborán

Authors: Alonso, Belén; Ercilla, Gemma; Estrada, Ferran; García, Marga; Casas, David; Farran, Marcel-lí;

Arquitectura estratigráfica de los sistemas turbidíticos del Plio-Cuaternario en el Mar de Alborán

Abstract

[ES] Se presenta una síntesis de la arquitectura estratigráfica de siete sistemas turbidíticos (Almería, Calahonda, Sacratif, Fuengirola, Estepona, Guadiaro y La Línea) desarrollados en el sector septentrional del Mar de Alborán basada en datos de batimetría multihaz y perfiles de sísmica de alta resolución. Estos sistemas turbidíticos están localizados en tres sectores del Mar de Alborán (oriental, central y occidental) y representan sistemas deposicionales de dimensiones pequeñas (decenas de kilómetros) desarrollándose en general desde la plataforma hasta la cuenca. Muestran similares elementos arquitecturales (cañones, cárcavas, canal, depósitos de desbordamiento y lóbulo) y su distribución espacio/temporal refleja migraciones laterales y longitudinales relacionados con diferente factores de control (gradiente del margen, tectónica, aporte de sedimento, procesos de avulsión). Este estudio indica que se han desarrollado desde el Plioceno Inferior al Cuaternario (ST de Sacratif), desde el Plioceno Superior al Cuaternario (STs de Almería, Fuengirola y Estepona) o exclusivamente durante el Cuaternario (STs de Calahonda, Guadiaro y La Línea). Estos sistemas son agrupados en dos modelos en base al tipo de alimentación: tipo mono-alimentado fango arenoso y tipo en rampa poli-alimentado fango arenoso

[EN] This work presents a stratigraphic architectural synthesis of seven turbidite systems (Almeria, Calahonda, Sacratif, Fuengirola, Estepona, Guadiaro, and La Linea) developed in the northern sector of the Alboran Sea based on bathymetry data and high resolution seismic profiles. These turbidite systems represent depositional systems of the dimensions small (tens of kilometres). They develop in general from the shelf to basin. They show similar architectural elements (canyons, gullies, channel, overbank deposits, and lobe deposits) and their distribution and organization suggests lateral and longitudinal migrations related to different factors (gradient of the margin, sediment supply, tectonics, avulsion processes). This study indicates that they have been originated from the Lower Pliocene to Quaternary time (TS of Sacratif), Upper Pliocene to Quaternary time (TSs Almeria, Fuengirola, and Estepona) or exclusively during the Quaternary time (TSs Calahonda, Guadiaro and Linea). Based on morphologic configuration and feeder system, these systems are grouped into two models: a mud/sand rich point source model and a mud/sand-rich multiple –source submarine ramp model

La realización de este trabajo ha sido posible gracias a la ayuda económica proporcionada fundamentalmente por el Plan Nacional I+D+i a través de los proyecto SAGAS (ref: CTM2005-08071-C03-02/MAR). Asimismo, por la European Science Foundation a través del proyecto Westmed (Ref: 01-ELC-EMA22F) y finalmente por la empresa noruega Norsk-Hydro a través de varios convenios con el Instituto de Ciencias del Mar-CSIC de Barcelona. Se agradece a la empresa de Telefónica de España y al Consorcio Medgazz (Cepsa, Total Fina, Sonatrach y Snamprogetti-Eni) por apoyar los proyectos de investigación mencionados anteriormente a través de la figura de “Ente Promotor Observador” en el marco del Plan Nacional I+D+ i

VII Congreso Geológico de España, 14-18 Julio 2008, Las Palmas de Gran Canaria.-- 4 pages, 3 figures

Peer Reviewed

Country
Spain
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Keywords

Aedimentary processes, Elementos arquitectónicos, Alborán, Alboran, Procesos sedimentarios, Turbidite systems, Sistemas turbidíticos, Architectural elements

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selected citations
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This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
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popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
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