Electronic Resource
Numerical_Model_WM_Peral_et_al_2022
| العنوان: | Numerical_Model_WM_Peral_et_al_2022 |
|---|---|
| المؤلفون: | Ministerio de Economía y Competitividad (España), Generalitat de Catalunya, European Commission, Equinor, Fernandez, Manel [0000-0002-4487-2359], Vergés, Jaume [0000-0002-4467-5291], Jimenez-Munt, Ivone [0000-0003-4178-3585], Zlotnik, Sergio [0000-0001-9674-8950], Peral, M. [0000-0001-8026-2753], Peral, M., Zlotnik, Sergio, Fernandez, Manel, Jimenez-Munt, Ivone, Vergés, Jaume, Fernández Ortiga, Manel |
| بيانات النشر: | 2022-03 |
| نوع الوثيقة: | Electronic Resource |
| مستخلص: | The 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. Alkaline magmatism is related to the induced sublithospheric mantle flow by the double subduction system depicting a NE-SW upwelling trend. |
| مصطلحات الفهرس: | Western Mediterranean, Alboran and Algerian basins, 3D numerical model, Double subduction, dataset |
| URL: | Sí info:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2017-2020/PGC2018-095154-B-I00/ES/GEODINAMICA DE LA OROGENIA ALPINA MEDITERRANEA CENTRAL: CARACTERIZACION DEL MANTO Y MOVIMIENTOS VERTICALES info:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2013-2016/DPI2017-85139-C2-2-R/ES/ASIMILACION DE DATOS PARA UNA SIMULACION INGENIERIL CREIBLE info:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación/PIE-CSIC-201830E039 info:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación/202030E310 |
| الاتاحة: | Open access content. Open access content https://creativecommons.org/licenses/by-nc-nd/4.0 closedAccess |
| ملاحظة: | MareNostrum-IV (Barcelona Supercomputing Center). start=2019; end=2020 English |
| Other Numbers: | CTK oai:digital.csic.es:10261/263305 10.20350/digitalCSIC/14546 1306018807 |
| المصدر المساهم: | CSIC From OAIster®, provided by the OCLC Cooperative. |
| رقم الانضمام: | edsoai.on1306018807 |
| قاعدة البيانات: | OAIster |
| الوصف غير متاح. |