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dc.contributor.authorPeral Millán, Mireia
dc.contributor.authorFernandez Ortiga, Manel
dc.contributor.authorVergés Masip, Jaume
dc.contributor.authorZlotnik, Sergio
dc.contributor.authorJimenez Munt, Ivone
dc.contributor.otherUniversitat Politècnica de Catalunya. Departament d'Enginyeria Civil i Ambiental
dc.date.accessioned2022-05-05T09:41:06Z
dc.date.available2022-05-05T09:41:06Z
dc.date.issued2022-05-05
dc.identifier.citationPeral, M. [et al.]. Numerical modelling of opposing subduction in the Western Mediterranean. "Tectonophysics", 5 Maig 2022, vol. 830, p. 229309:1-229309:15.
dc.identifier.issn0040-1951
dc.identifier.urihttp://hdl.handle.net/2117/366850
dc.description© 2022 Elsevier. This manuscript version is made available under the CC-BY-NC-ND 4.0 license http://creativecommons.org/licenses/by-nc-nd/4.0/
dc.description.abstractThe geodynamic evolution of the Western Mediterranean related to the closure of the Ligurian-Tethys ocean is not yet fully resolved. We present a new 3D numerical model of double subduction with opposite polarities fostered by the inherited segmentation of the Ligurian-Tethys margins and rifting system between Iberia and NW Africa. The model is constrained by plate kinematic reconstructions and assumes that both Alboran-Tethys and Algerian-Tethys plate segments are separated by a NW-SE transform zone enabling that subduction polarity changes from SE-dipping in the Alboran-Tethys segment to NW-dipping in the Algerian-Tethys segment. The model starts about late Eocene times at 36.5 Ma and the temporal evolution of the simulation is tied to the geological evolution by comparing the rates of convergence and trench retreat, and the onset and end of opening in the Alboran Basin. Curvature of the Alboran-Tethys slab is imposed by the pinning of its western edge when reaching the end of the transform zone in the adjacent west-Africa continental block. The progressive curvature of the trench explains the observed regional stress reorientation changing from N-S to NW-SE and to E-W in the central and western regions of the Alboran Basin. The increase of the retreat rates from the Alboran-Tethys to the Algerian-Tethys slabs is compatible with the west-to-east transition from continental-to-magmatic-to-oceanic crustal nature and with the massive and partially synchronous calc-alkaline and alkaline magmatism.
dc.description.sponsorshipWe are indebted to Prof. Zheng-Xiang Li as Editor of Tectonophysics, and Prof. Sierd Cloetingh and an anonymous reviewer for their valuable suggestions and constructive comments which improved the previous version of the paper. We acknowledge discussions with Chiara Mac- chiavelli and Marc Viaplana during the development of this work. This work is funded by the SUBTETIS (PIE-CSIC-201830E039, CSIC), ALORBE (PIE-CSIC-202030E310), GeoCAM (PGC2018-095154-B-I00, Spanish Government), Equinor R&T Fornebu (Norway), and the Gen- eralitat de Catalunya grant (AGAUR 2017 SGR 847). We also thank the computer resources at MareNostrum and the technical support provided by the Barcelona Supercomputing Center (BSC) through several projects (AECT-2019-1-0013 and AECT-2019-2-0005). S. Z. has been funded by the MCIN/AEI doi:10.13039/501100011033 through project PID2020- 113463RB-C32, and by EU H2020 MSCA grant agreement No 777778. This work has been done in the framework of the Unidad Asociada of LACAN-UPC with CSIC and using the facilities of the Laboratory of Geodynamic Modelling from Geo3BCN-CSIC.
dc.language.isoeng
dc.rights©2022. Elsevier
dc.rightsAttribution-NonCommercial-NoDerivatives 4.0 International
dc.rights.urihttps://creativecommons.org/licenses/by-nc-nd/4.0/
dc.subjectÀrees temàtiques de la UPC::Matemàtiques i estadística::Matemàtica aplicada a les ciències
dc.subject.lcshStrength of materials
dc.subject.other3D numerical model
dc.subject.otherDouble subduction
dc.subject.otherGeodynamic modelling
dc.subject.otherAlboran and Algerian basins
dc.titleNumerical modelling of opposing subduction in the Western Mediterranean
dc.typeArticle
dc.subject.lemacResistència de materials
dc.contributor.groupUniversitat Politècnica de Catalunya. LACÀN - Mètodes Numèrics en Ciències Aplicades i Enginyeria
dc.identifier.doi10.1016/j.tecto.2022.229309
dc.description.peerreviewedPeer Reviewed
dc.subject.amsClassificació AMS::74 Mechanics of deformable solids::74S Numerical methods
dc.relation.publisherversionhttps://www.sciencedirect.com/science/article/pii/S0040195122001032
dc.rights.accessOpen Access
local.identifier.drac33089558
dc.description.versionPostprint (published version)
dc.relation.projectidinfo:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2017-2020/PID2020-113463RB-C32/ES/INGENIERIA COMPUTACIONAL BASADA EN SIMULACION DE APRENDIZAJE AUTOMATICO/
dc.relation.projectidinfo:eu-repo/grantAgreement/EC/H2020/777778/EU/Multiscale Inversion of Porous Rock Physics using High-Performance Simulators: Bridging the Gap between Mathematics and Geophysics/MATHROCKS
local.citation.authorPeral, M.; Fernandez, M.; Vergés, J.; Zlotnik, S.; Jimenez, I.
local.citation.publicationNameTectonophysics
local.citation.volume830
local.citation.startingPage229309:1
local.citation.endingPage229309:15


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