Transition between Variscan and Alpine cycles in the Pyrenean-Cantabrian Mountains (N Spain): Geodynamic evolution of near-equator European Permian basins

In the northern Iberian Peninsula, the Pyrenean-Cantabrian orogenic belt extends E-W for ca. 1000 km between the Atlantic Ocean and Mediterranean Sea. This orogen developed from the collision between Iberia and Eurasia, mainly in Cenozoic times. Lower-middle Permian sediments crop out in small, elon...

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Autores: Lloret, Joan, López-Gómez, José, Heredia, Nemesio, Martín-González, Fidel, de la Horra, Raúl, Borruel-Abadía, Violeta, Ronchi, Ausonio, Barrenechea, J. F., García-Sansegundo, Joaquín, Galé, Carlos, Ubide, Teresa, Gretter, Nicola, Diez, José B., Juncal, Manuel, Lago, Marceliano
Formato: artículo
Fecha de publicación:2021
País:España
Recursos:Consejo Superior de Investigaciones Científicas (CSIC)
Repositorio:DIGITAL.CSIC. Repositorio Institucional del CSIC
OAI Identifier:oai:digital.csic.es:10261/370911
Acesso em linha:http://hdl.handle.net/10261/370911
https://api.elsevier.com/content/abstract/scopus_id/85117703120
Access Level:acceso abierto
Palavra-chave:Early Permian | Late Carboniferous | Late Paleozoic Ice Age | Pangea break-up | Post-Variscan extension | Pyrenean-Cantabrian orogen | Variscan collapse
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repository_id_str
dc.title.none.fl_str_mv Transition between Variscan and Alpine cycles in the Pyrenean-Cantabrian Mountains (N Spain): Geodynamic evolution of near-equator European Permian basins
title Transition between Variscan and Alpine cycles in the Pyrenean-Cantabrian Mountains (N Spain): Geodynamic evolution of near-equator European Permian basins
spellingShingle Transition between Variscan and Alpine cycles in the Pyrenean-Cantabrian Mountains (N Spain): Geodynamic evolution of near-equator European Permian basins
Lloret, Joan
Early Permian | Late Carboniferous | Late Paleozoic Ice Age | Pangea break-up | Post-Variscan extension | Pyrenean-Cantabrian orogen | Variscan collapse
title_short Transition between Variscan and Alpine cycles in the Pyrenean-Cantabrian Mountains (N Spain): Geodynamic evolution of near-equator European Permian basins
title_full Transition between Variscan and Alpine cycles in the Pyrenean-Cantabrian Mountains (N Spain): Geodynamic evolution of near-equator European Permian basins
title_fullStr Transition between Variscan and Alpine cycles in the Pyrenean-Cantabrian Mountains (N Spain): Geodynamic evolution of near-equator European Permian basins
title_full_unstemmed Transition between Variscan and Alpine cycles in the Pyrenean-Cantabrian Mountains (N Spain): Geodynamic evolution of near-equator European Permian basins
title_sort Transition between Variscan and Alpine cycles in the Pyrenean-Cantabrian Mountains (N Spain): Geodynamic evolution of near-equator European Permian basins
dc.creator.none.fl_str_mv Lloret, Joan
López-Gómez, José
Heredia, Nemesio
Martín-González, Fidel
de la Horra, Raúl
Borruel-Abadía, Violeta
Ronchi, Ausonio
Barrenechea, J. F.
García-Sansegundo, Joaquín
Galé, Carlos
Ubide, Teresa
Gretter, Nicola
Diez, José B.
Juncal, Manuel
Lago, Marceliano
author Lloret, Joan
author_facet Lloret, Joan
López-Gómez, José
Heredia, Nemesio
Martín-González, Fidel
de la Horra, Raúl
Borruel-Abadía, Violeta
Ronchi, Ausonio
Barrenechea, J. F.
García-Sansegundo, Joaquín
Galé, Carlos
Ubide, Teresa
Gretter, Nicola
Diez, José B.
Juncal, Manuel
Lago, Marceliano
author_role author
author2 López-Gómez, José
Heredia, Nemesio
Martín-González, Fidel
de la Horra, Raúl
Borruel-Abadía, Violeta
Ronchi, Ausonio
Barrenechea, J. F.
García-Sansegundo, Joaquín
Galé, Carlos
Ubide, Teresa
Gretter, Nicola
Diez, José B.
Juncal, Manuel
Lago, Marceliano
author2_role author
author
author
author
author
author
author
author
author
author
author
author
author
author
dc.contributor.none.fl_str_mv Ministerio de Ciencia, Innovación y Universidades (España)
López-Gómez, José [0000-0002-7288-3071]
Heredia, Nemesio [0000-0001-5382-9312]
Consejo Superior de Investigaciones Científicas [https://ror.org/02gfc7t72]
dc.subject.none.fl_str_mv Early Permian | Late Carboniferous | Late Paleozoic Ice Age | Pangea break-up | Post-Variscan extension | Pyrenean-Cantabrian orogen | Variscan collapse
topic Early Permian | Late Carboniferous | Late Paleozoic Ice Age | Pangea break-up | Post-Variscan extension | Pyrenean-Cantabrian orogen | Variscan collapse
description In the northern Iberian Peninsula, the Pyrenean-Cantabrian orogenic belt extends E-W for ca. 1000 km between the Atlantic Ocean and Mediterranean Sea. This orogen developed from the collision between Iberia and Eurasia, mainly in Cenozoic times. Lower-middle Permian sediments crop out in small, elongated basins traditionally considered independent from each other due to misinterpretations on incomplete lithostratigraphic data and scarce radiometric ages. Here, we integrate detailed stratigraphic, sedimentary, tectonic, paleosol and magmatic data from well-dated lithostratigraphic units. Our data reveal a similar geodynamic evolution across the Pyrenean-Cantabrian Ranges at the end of the Variscan cycle. Lower-middle Permian basins started their development under an extensional regime related to the end of the Variscan Belt collapse, which stars in late Carboniferous times in the Variscan hinterland. This orogenic collapse transitioned to Pangea breakup at the middle Permian times in the study region. Sedimentation occurred as three main tectono-sedimentary extensional phases. A first phase (Asselian-Sakmarian), which may have even started at the end of the Carboniferous (Gzhelian) in some sections, is mainly represented by alluvial sedimentation associated with calc-alkaline magmatism. A second stage (late Artinskian–early Kungurian), represented by alluvial, lacustrine and palustrine sediments with intercalations of calc-alkaline volcanic beds, shows a clear upward aridification trend probably related to the late Paleozoic icehouse-greenhouse transition. The third and final stage (Wordian-Capitanian) comprised of alluvial deposits with intercalations of alkaline and mafic beds, rarely deposited in the Cantabrian Mountains, and underwent significant pre- and Early Mesozoic erosion in some segments of the Pyrenees. This third stage can be related to a transition towards the Pangea Supercontinent breakup, not generalized until the Early/Middle Triassic at this latitude because the extensional process stopped about 10 Myr (Pyrenees) to 30 Myr (Cantabrian Mountains). When compared to other well-dated basins near the paleoequator, the tectono-sedimentary and climate evolution of lower-middle Permian basins in Western and Central Europe shows common features. Specifically, we identify coeval periods with magmatic activity, extensional tectonics, high subsidence rates and thick sedimentary record, as well as prolonged periods without sedimentation. This comparison also identifies some evolutionary differences between Permian basins that could be related to distinct locations in the hinterland or foreland of the Variscan orogen. Our data provide a better understanding of the major crustal re-equilibration and reorganization that took place near the equator in Western-Central Europe during the post-Variscan period.
publishDate 2021
dc.date.none.fl_str_mv 2021
2024
2024
dc.type.none.fl_str_mv info:eu-repo/semantics/article
http://purl.org/coar/resource_type/c_6501
format article
dc.identifier.none.fl_str_mv http://hdl.handle.net/10261/370911
https://api.elsevier.com/content/abstract/scopus_id/85117703120
url http://hdl.handle.net/10261/370911
https://api.elsevier.com/content/abstract/scopus_id/85117703120
dc.language.none.fl_str_mv Inglés
language_invalid_str_mv Inglés
dc.relation.none.fl_str_mv #PLACEHOLDER_PARENT_METADATA_VALUE#
info:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación2017-2020/PGC2018-098272-B-100
Global and Planetary Change
Publisher's version
https://doi.org/10.1016/j.gloplacha.2021.103677
Sí
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.publisher.none.fl_str_mv Elsevier
publisher.none.fl_str_mv Elsevier
dc.source.none.fl_str_mv reponame:DIGITAL.CSIC. Repositorio Institucional del CSIC
instname:Consejo Superior de Investigaciones Científicas (CSIC)
instname_str Consejo Superior de Investigaciones Científicas (CSIC)
reponame_str DIGITAL.CSIC. Repositorio Institucional del CSIC
collection DIGITAL.CSIC. Repositorio Institucional del CSIC
repository.name.fl_str_mv
repository.mail.fl_str_mv
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spelling Transition between Variscan and Alpine cycles in the Pyrenean-Cantabrian Mountains (N Spain): Geodynamic evolution of near-equator European Permian basinsLloret, JoanLópez-Gómez, JoséHeredia, NemesioMartín-González, Fidelde la Horra, RaúlBorruel-Abadía, VioletaRonchi, AusonioBarrenechea, J. F.García-Sansegundo, JoaquínGalé, CarlosUbide, TeresaGretter, NicolaDiez, José B.Juncal, ManuelLago, MarcelianoEarly Permian | Late Carboniferous | Late Paleozoic Ice Age | Pangea break-up | Post-Variscan extension | Pyrenean-Cantabrian orogen | Variscan collapseIn the northern Iberian Peninsula, the Pyrenean-Cantabrian orogenic belt extends E-W for ca. 1000 km between the Atlantic Ocean and Mediterranean Sea. This orogen developed from the collision between Iberia and Eurasia, mainly in Cenozoic times. Lower-middle Permian sediments crop out in small, elongated basins traditionally considered independent from each other due to misinterpretations on incomplete lithostratigraphic data and scarce radiometric ages. Here, we integrate detailed stratigraphic, sedimentary, tectonic, paleosol and magmatic data from well-dated lithostratigraphic units. Our data reveal a similar geodynamic evolution across the Pyrenean-Cantabrian Ranges at the end of the Variscan cycle. Lower-middle Permian basins started their development under an extensional regime related to the end of the Variscan Belt collapse, which stars in late Carboniferous times in the Variscan hinterland. This orogenic collapse transitioned to Pangea breakup at the middle Permian times in the study region. Sedimentation occurred as three main tectono-sedimentary extensional phases. A first phase (Asselian-Sakmarian), which may have even started at the end of the Carboniferous (Gzhelian) in some sections, is mainly represented by alluvial sedimentation associated with calc-alkaline magmatism. A second stage (late Artinskian–early Kungurian), represented by alluvial, lacustrine and palustrine sediments with intercalations of calc-alkaline volcanic beds, shows a clear upward aridification trend probably related to the late Paleozoic icehouse-greenhouse transition. The third and final stage (Wordian-Capitanian) comprised of alluvial deposits with intercalations of alkaline and mafic beds, rarely deposited in the Cantabrian Mountains, and underwent significant pre- and Early Mesozoic erosion in some segments of the Pyrenees. This third stage can be related to a transition towards the Pangea Supercontinent breakup, not generalized until the Early/Middle Triassic at this latitude because the extensional process stopped about 10 Myr (Pyrenees) to 30 Myr (Cantabrian Mountains). When compared to other well-dated basins near the paleoequator, the tectono-sedimentary and climate evolution of lower-middle Permian basins in Western and Central Europe shows common features. Specifically, we identify coeval periods with magmatic activity, extensional tectonics, high subsidence rates and thick sedimentary record, as well as prolonged periods without sedimentation. This comparison also identifies some evolutionary differences between Permian basins that could be related to distinct locations in the hinterland or foreland of the Variscan orogen. Our data provide a better understanding of the major crustal re-equilibration and reorganization that took place near the equator in Western-Central Europe during the post-Variscan period.The authors thank Dr. Agustín Pieren (Universidad Complutense de Madrid, Spain) for the data of La Camocha Mine and Ana Burton for editorial assistance. The authors thank the detailed review and the interesting comments from the reviewers Ícaro Dias da Silva (Universidade de Lisboa), Antonio Teixell (Universitàt Autònoma de Barcelona), Francisco Pereira (Universidade de Évora) and an anonymous reviewer. Funds were provided by projects PGC2018-098272-B-100 and CGL2015-70970-P “FALPINO” (Spanish Ministry of Science, Innovation and Universities).Peer reviewedElsevierMinisterio de Ciencia, Innovación y Universidades (España)López-Gómez, José [0000-0002-7288-3071]Heredia, Nemesio [0000-0001-5382-9312]Consejo Superior de Investigaciones Científicas [https://ror.org/02gfc7t72]202420242021info:eu-repo/semantics/articlehttp://purl.org/coar/resource_type/c_6501http://hdl.handle.net/10261/370911https://api.elsevier.com/content/abstract/scopus_id/85117703120reponame:DIGITAL.CSIC. Repositorio Institucional del CSICinstname:Consejo Superior de Investigaciones Científicas (CSIC)Inglés#PLACEHOLDER_PARENT_METADATA_VALUE#info:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación2017-2020/PGC2018-098272-B-100Global and Planetary ChangePublisher's versionhttps://doi.org/10.1016/j.gloplacha.2021.103677Síinfo:eu-repo/semantics/openAccessoai:digital.csic.es:10261/3709112026-05-22T06:33:51Z
score 15.812455

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