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Título: | New insights into the Messinian salinity crisis: Zanclean reflooding erosion in the Gibraltar-Alboran Sea connection area |
Autor: | Estrada, Ferran CSIC ORCID CVN ; Gorini, Christian; Ercilla, Gemma CSIC ORCID ; Ammar, Abdellah; Alonso, Belén CSIC ORCID ; Maldonado, Andrés CSIC ORCID; Vázquez, Juan Tomás | Palabras clave: | Messinian Zanclean Gibraltar Seismic Arc Mediterranean Erosion Flooding |
Fecha de publicación: | 2009 | Editor: | International Union of Geological Sciences | Citación: | 13th Congress Regional Commitee on Mediterranean Neogene Stratigraphy (2009) | Resumen: | The Gibraltar Strait-Alboran Sea connection is a key area to understand the zanclean reflooding of the Mediterranean basin, at the end of the messinian salinity crisis. In spite of this importance, suggested by many authors, little is known about the submarine geological record of this area where the large magnitude of the Earliest Zanclaean reflooding had to produce a great impact in the sedimentary record. In order to fill this gap, an integration of recent an ancient seismic data (single and multichannel profiles) around the Alboran side of the Gibraltar Arc has been done. The study of these data has permitted an improvement of the seismic stratigraphy trough correlation with the DSDP 121 and ODP 976 drills, and a detailed view of the messinian surface. The prelimirary results indicate the existence of a striking erosive channel-like feature in front of the Gibraltar Strait related with the Zanclaean reflooding of the Mediterranean Sea. Likewise, several terraces and canyons are identified on the Spanish margin nearby the Gibraltar Strait probably related with sea level fluctuations during the Messinian salinity crisis | Descripción: | 13th Congress Regional Commitee on Mediterranean Neogene Stratigraphy (RCMNS), Earth System Evolution and the Mediterranean area from 23Ma to present, 2-6 September 2009, Naples, Italy | URI: | http://hdl.handle.net/10261/31336 |
Aparece en las colecciones: | (ICM) Comunicaciones congresos (IEO) Comunicaciones congresos |
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Estrada_et_al_2009.pdf | 25,63 MB | Adobe PDF | Visualizar/Abrir |
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