Structure of an intraplate fold-and-thrust belt: The Iberian Chain. A synthesis

The Iberian Chain is a complex intraplate fold-and-thrust belt resulting from the convergence between the Eurasian, Iberian and African plates during the late Eocene to the Miocene. The main trend of its contractional structures is NW-SE, but E-W, NE-SW and N-S-trending structures are also present....

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Autor: Guimerà i Rosso, Joan J.
Tipo de documento: artigo
Estado:Versão publicada
Data de publicação:2018
País:España
Recursos:Varias* (Consorci de Biblioteques Universitáries de Catalunya, Centre de Serveis Científics i Acadèmics de Catalunya)
Repositório:Recercat. Dipósit de la Recerca de Catalunya
OAI Identifier:oai:recercat.cat:2445/130100
Acesso em linha:https://hdl.handle.net/2445/130100
Access Level:Acceso aberto
Palavra-chave:Estratigrafia
Serralada Ibèrica
Tectònica
Stratigraphic geology
Iberian Mountains
Tectonics
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spelling Structure of an intraplate fold-and-thrust belt: The Iberian Chain. A synthesisGuimerà i Rosso, Joan J.EstratigrafiaSerralada IbèricaTectònicaStratigraphic geologyIberian MountainsTectonicsThe Iberian Chain is a complex intraplate fold-and-thrust belt resulting from the convergence between the Eurasian, Iberian and African plates during the late Eocene to the Miocene. The main trend of its contractional structures is NW-SE, but E-W, NE-SW and N-S-trending structures are also present. The boundaries of the chain with its surrounding foreland basins are always thrusts. The North-Iberian Thrust separates the chain from the Ebro Basin to the North, while the Serranía de Cuenca Thrust makes the SE boundary of the chain, separating it from the Tajo Basin and La Mancha foreland areas. Between these thrusts, the contractional structure is basement-involved, while South of the Serranía de Cuenca Thrust only Mesozoic and Cenozoic rocks are involved in the thrust-system, detached in the evaporitic Triassic materials. Two parts can be differentiated considering the major structure of the chain. The western and central areas hold two major anticlinoriums separated by the Almazán Synclinorium. East of the Teruel Depression, E-Wstriking N-verging thrusts in the North, and NW-SE-striking S-verging thrusts in the center and South are the dominant structures. The crust thickened during the Cenozoic contraction generating a mean crustal thickening of about 5km. The horizontal shortening obtained from cross-sections is 32km, and from a density-gravity section of 57.5km. These two values may be considered end values. The relief of the Iberian Chain has a strong areal coincidence with the contractional structures and the thickened crust, indicating that they are genetically related.(UB). (ICTJA). (IDEA). (UAB). (CSIC)2019201920182019info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersion12 p.application/pdfhttps://hdl.handle.net/2445/130100Articles publicats en revistes (Dinàmica de la Terra i l'Oceà)reponame:Recercat. Dipósit de la Recerca de Catalunyainstname:Varias* (Consorci de Biblioteques Universitáries de Catalunya, Centre de Serveis Científics i Acadèmics de Catalunya)InglésReproducció del document publicat a: https://doi.org/10.1344/GeologicaActa2018.16.4.6Geologica Acta, 2018, vol. 16, num. 4, p. 472-438https://doi.org/10.1344/GeologicaActa2018.16.4.6cc-by-sa (c) Guimerà i Rosso, Joan J, 2018http://creativecommons.org/licenses/by-sa/3.0/esinfo:eu-repo/semantics/openAccessoai:recercat.cat:2445/1301002026-05-29T05:05:01Z
dc.title.none.fl_str_mv Structure of an intraplate fold-and-thrust belt: The Iberian Chain. A synthesis
title Structure of an intraplate fold-and-thrust belt: The Iberian Chain. A synthesis
spellingShingle Structure of an intraplate fold-and-thrust belt: The Iberian Chain. A synthesis
Guimerà i Rosso, Joan J.
Estratigrafia
Serralada Ibèrica
Tectònica
Stratigraphic geology
Iberian Mountains
Tectonics
title_short Structure of an intraplate fold-and-thrust belt: The Iberian Chain. A synthesis
title_full Structure of an intraplate fold-and-thrust belt: The Iberian Chain. A synthesis
title_fullStr Structure of an intraplate fold-and-thrust belt: The Iberian Chain. A synthesis
title_full_unstemmed Structure of an intraplate fold-and-thrust belt: The Iberian Chain. A synthesis
title_sort Structure of an intraplate fold-and-thrust belt: The Iberian Chain. A synthesis
dc.creator.none.fl_str_mv Guimerà i Rosso, Joan J.
author Guimerà i Rosso, Joan J.
author_facet Guimerà i Rosso, Joan J.
author_role author
dc.subject.none.fl_str_mv Estratigrafia
Serralada Ibèrica
Tectònica
Stratigraphic geology
Iberian Mountains
Tectonics
topic Estratigrafia
Serralada Ibèrica
Tectònica
Stratigraphic geology
Iberian Mountains
Tectonics
description The Iberian Chain is a complex intraplate fold-and-thrust belt resulting from the convergence between the Eurasian, Iberian and African plates during the late Eocene to the Miocene. The main trend of its contractional structures is NW-SE, but E-W, NE-SW and N-S-trending structures are also present. The boundaries of the chain with its surrounding foreland basins are always thrusts. The North-Iberian Thrust separates the chain from the Ebro Basin to the North, while the Serranía de Cuenca Thrust makes the SE boundary of the chain, separating it from the Tajo Basin and La Mancha foreland areas. Between these thrusts, the contractional structure is basement-involved, while South of the Serranía de Cuenca Thrust only Mesozoic and Cenozoic rocks are involved in the thrust-system, detached in the evaporitic Triassic materials. Two parts can be differentiated considering the major structure of the chain. The western and central areas hold two major anticlinoriums separated by the Almazán Synclinorium. East of the Teruel Depression, E-Wstriking N-verging thrusts in the North, and NW-SE-striking S-verging thrusts in the center and South are the dominant structures. The crust thickened during the Cenozoic contraction generating a mean crustal thickening of about 5km. The horizontal shortening obtained from cross-sections is 32km, and from a density-gravity section of 57.5km. These two values may be considered end values. The relief of the Iberian Chain has a strong areal coincidence with the contractional structures and the thickened crust, indicating that they are genetically related.
publishDate 2018
dc.date.none.fl_str_mv 2018
2019
2019
2019
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv https://hdl.handle.net/2445/130100
url https://hdl.handle.net/2445/130100
dc.language.none.fl_str_mv Inglés
language_invalid_str_mv Inglés
dc.relation.none.fl_str_mv Reproducció del document publicat a: https://doi.org/10.1344/GeologicaActa2018.16.4.6
Geologica Acta, 2018, vol. 16, num. 4, p. 472-438
https://doi.org/10.1344/GeologicaActa2018.16.4.6
dc.rights.none.fl_str_mv cc-by-sa (c) Guimerà i Rosso, Joan J, 2018
http://creativecommons.org/licenses/by-sa/3.0/es
info:eu-repo/semantics/openAccess
rights_invalid_str_mv cc-by-sa (c) Guimerà i Rosso, Joan J, 2018
http://creativecommons.org/licenses/by-sa/3.0/es
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv 12 p.
application/pdf
dc.publisher.none.fl_str_mv (UB). (ICTJA). (IDEA). (UAB). (CSIC)
publisher.none.fl_str_mv (UB). (ICTJA). (IDEA). (UAB). (CSIC)
dc.source.none.fl_str_mv Articles publicats en revistes (Dinàmica de la Terra i l'Oceà)
reponame:Recercat. Dipósit de la Recerca de Catalunya
instname:Varias* (Consorci de Biblioteques Universitáries de Catalunya, Centre de Serveis Científics i Acadèmics de Catalunya)
instname_str Varias* (Consorci de Biblioteques Universitáries de Catalunya, Centre de Serveis Científics i Acadèmics de Catalunya)
reponame_str Recercat. Dipósit de la Recerca de Catalunya
collection Recercat. Dipósit de la Recerca de Catalunya
repository.name.fl_str_mv
repository.mail.fl_str_mv
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score 15,812455

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