The evolution of the westernmost Mediterranean basins

This work has been carried out within Grup de Recerca Consolidat de la Generalitat de Catalunya “Barcelona Center for Subsurface Imaging” (2017 SGR 1662).-- 35 pages, 26 figures, 3 tables

Detalles Bibliográficos
Autores: Gómez de la Peña, L., Ranero, César R., Gràcia, Eulàlia, Booth-Rea, Guillermo
Tipo de recurso: artículo
Estado:Versión aceptada para publicación
Fecha de publicación:2021
País:España
Institución:Consejo Superior de Investigaciones Científicas (CSIC)
Repositorio:DIGITAL.CSIC. Repositorio Institucional del CSIC
OAI Identifier:oai:digital.csic.es:10261/239227
Acceso en línea:http://hdl.handle.net/10261/239227
Access Level:acceso abierto
Palabra clave:Westernmost Mediterranean
Alboran Basin
Algero-Balearic basin
Basin evolution
Stratigraphy
Geodynamic evolution
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dc.title.none.fl_str_mv The evolution of the westernmost Mediterranean basins
title The evolution of the westernmost Mediterranean basins
spellingShingle The evolution of the westernmost Mediterranean basins
Gómez de la Peña, L.
Westernmost Mediterranean
Alboran Basin
Algero-Balearic basin
Basin evolution
Stratigraphy
Geodynamic evolution
title_short The evolution of the westernmost Mediterranean basins
title_full The evolution of the westernmost Mediterranean basins
title_fullStr The evolution of the westernmost Mediterranean basins
title_full_unstemmed The evolution of the westernmost Mediterranean basins
title_sort The evolution of the westernmost Mediterranean basins
dc.creator.none.fl_str_mv Gómez de la Peña, L.
Ranero, César R.
Gràcia, Eulàlia
Booth-Rea, Guillermo
author Gómez de la Peña, L.
author_facet Gómez de la Peña, L.
Ranero, César R.
Gràcia, Eulàlia
Booth-Rea, Guillermo
author_role author
author2 Ranero, César R.
Gràcia, Eulàlia
Booth-Rea, Guillermo
author2_role author
author
author
dc.contributor.none.fl_str_mv Ministerio de Economía y Competitividad (España)
Ministerio de Educación, Cultura y Deporte (España)
European Commission
Ministerio de Ciencia, Innovación y Universidades (España)
Agencia Estatal de Investigación (España)
Junta de Andalucía
Consejo Superior de Investigaciones Científicas [https://ror.org/02gfc7t72]
dc.subject.none.fl_str_mv Westernmost Mediterranean
Alboran Basin
Algero-Balearic basin
Basin evolution
Stratigraphy
Geodynamic evolution
topic Westernmost Mediterranean
Alboran Basin
Algero-Balearic basin
Basin evolution
Stratigraphy
Geodynamic evolution
description This work has been carried out within Grup de Recerca Consolidat de la Generalitat de Catalunya “Barcelona Center for Subsurface Imaging” (2017 SGR 1662).-- 35 pages, 26 figures, 3 tables
publishDate 2021
dc.date.none.fl_str_mv 2021
2021
2021
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http://purl.org/coar/resource_type/c_6501
Postprint
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status_str acceptedVersion
dc.identifier.none.fl_str_mv http://hdl.handle.net/10261/239227
url http://hdl.handle.net/10261/239227
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https://doi.org/10.1016/j.earscirev.2020.103445
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dc.publisher.none.fl_str_mv Elsevier
publisher.none.fl_str_mv Elsevier
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spelling The evolution of the westernmost Mediterranean basinsGómez de la Peña, L.Ranero, César R.Gràcia, EulàliaBooth-Rea, GuillermoWesternmost MediterraneanAlboran BasinAlgero-Balearic basinBasin evolutionStratigraphyGeodynamic evolutionThis work has been carried out within Grup de Recerca Consolidat de la Generalitat de Catalunya “Barcelona Center for Subsurface Imaging” (2017 SGR 1662).-- 35 pages, 26 figures, 3 tablesBased on more than 4,500 km of new and re-processed multichannel seismic lines, high-resolution seafloor bathymetry, available well data, and basement dredge samples, we have re-evaluated the entire stratigraphy and the tectonic evolution of the Alboran and western Algerian basins. We have correlated the sediment units deposited since the beginning of the formation of the different sub-basins, and we present for the first time a coherent stratigraphy and large-scale tectonic evolution of the whole region. The results provide the information to test and refine models of the geodynamic evolution of the westernmost Mediterranean. The data analysis supports an independent evolution of the sub-basins through the latemost Oligocene and Miocene, and a common Plio-Holocene evolution. The latemost Oligocene and Miocene evolution was controlled by the evolution of the Gibraltar subduction system. The oldest sedimentary unit is restricted to the West Alboran and Malaga basins depocenter that during the latemost Oligocene and early Miocene connected to some smaller marine basins currently uplifted and located onshore on the Betics range. Later, during the middle Miocene, the Habibas and Pytheas sub-basins formed a second depocenter on the North African margin. The different sedimentary units found in both depocenters, together with their different deformation patterns, support that the West Alboran-Malaga and the Habibas-Pytheas depocenters were separated by a major tectonic boundary. The early Tortonian initial arc magmatic activity produced the formation of new areas floored by a volcanic basement by the end of the late Tortonian, when the first sedimentary units deposited in the East Alboran sub-basin, and probably during the late Tortonian-early Messinian in the South Alboran sub-basin. Extension of the back-arc setting created oceanic crust flooring the Algero Balearic Basin. The extensional formation of the westernmost Mediterranean basins ended in the latemost Miocene. The western migration of the subduction system stopped and the convergence between the African and the European tectonic plates started to dominate the tectonic evolution of the region. During the Plio-Holocene, the sub-basins did not further subside individually so that these sediments have spread out across the whole Alboran Basin. A new tectonic contractional and strike-slip fault system developed that is active nowadays. The integration of our results together with the most recent tomographic studies has been used to test and refine the existing kinematic models of the area. None of the existing models explains all our large-scale observationsThe authors acknowledge support from the Spanish Ministry of Economy and Competitiveness through the Complementary Action ESF TopoEurope TOPOMED (CGL2008-03474-E/BTE) and National Project EVENT (CGL2006-12861-C02-02). This work was supported by the Spanish Ministry of Education, Culture and Sport through the FPU fellowship 2013–2017 to L. Gómez de la Peña (AP2012-1579), and benefitted from a Marie Skłodowska-Curie Individual Fellowship to L. Gómez de la Peña (H2020-MSCA-IF-2017 796013). C. R. Ranero is funded by the Spanish Science and Innovation Ministry project FRAME CTM2015-71766-R, E. Gràcia is funded by the Spanish Science and Innovation Ministry project “STRENGHT” PID2019-104668RB-I00, and G. Booth-Rea through the Spanish Science and Innovation Ministry Project PID2019-107138RB-I00/SRA (State Research Agency / 10.13039/501100011033) and the “Junta de Andalucia” Project P18-RT-36332.-- With the funding support of the ‘Severo Ochoa Centre of Excellence’ accreditation (CEX2019-000928-S), of the Spanish Research Agency (AEI)Peer reviewedElsevierMinisterio de Economía y Competitividad (España)Ministerio de Educación, Cultura y Deporte (España)European CommissionMinisterio de Ciencia, Innovación y Universidades (España)Agencia Estatal de Investigación (España)Junta de AndalucíaConsejo Superior de Investigaciones Científicas [https://ror.org/02gfc7t72]202120212021info:eu-repo/semantics/articlehttp://purl.org/coar/resource_type/c_6501Postprintinfo:eu-repo/semantics/acceptedVersionhttp://hdl.handle.net/10261/239227reponame:DIGITAL.CSIC. 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