Influence of diapirs on the development of non-cylindrical arcuate fold-and-thrust belts: Results from analogue models of progressive arcs

In this paper, we present analogue models built to test the diapir role on the along-strike segmentation of fold-and-thrust belts in progressive arcs. To model the progressive arc, we used a protruding backstop that deformed in map view while the experiments run. This backstop indented a parallelepi...

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Detalles Bibliográficos
Autores: Crespo Blanc, Ana, Jiménez Bonilla, Alejandro, Balanyá, Juan Carlos, Expósito Ramos, Inmaculada, Díaz Azpiroz, Manuel
Tipo de recurso: artículo
Fecha de publicación:2017
País:España
Institución:Universidad de Huelva (UHU)
Repositorio:Arias Montano. Repositorio Institucional de la Universidad de Huelva
Idioma:inglés
OAI Identifier:oai:ariasmontano.uhu.es:10272/15164
Acceso en línea:http://hdl.handle.net/10272/15164
Access Level:acceso abierto
Palabra clave:Progressive arc
Fold-and-thrust belt
Diapir
Analogue model
Arco progresivo
Cinturón de pliegues y cabalgamientos
Diapiro
Modelo analógico
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spelling Influence of diapirs on the development of non-cylindrical arcuate fold-and-thrust belts: Results from analogue models of progressive arcsInfluencia de los diapiros en el desarrollo de cinturones de pliegues y cabalgamientos arqueados no cilindricos: Resultados de modelos analógicos de arcos progresivosCrespo Blanc, AnaJiménez Bonilla, AlejandroBalanyá, Juan CarlosExpósito Ramos, InmaculadaDíaz Azpiroz, ManuelProgressive arcFold-and-thrust beltDiapirAnalogue modelArco progresivoCinturón de pliegues y cabalgamientosDiapiroModelo analógicoIn this paper, we present analogue models built to test the diapir role on the along-strike segmentation of fold-and-thrust belts in progressive arcs. To model the progressive arc, we used a protruding backstop that deformed in map view while the experiments run. This backstop indented a parallelepiped formed by silicone at the bottom and sand, in which silicone cylinders were added to simulate diapirs. Various types of models with different size and distribution of the diapirs were made in order to investigate the strain partitioning modes around these heterogeneities. The deformation style of the models is characterized by a highly non-cylindrical arcuate fold-and-thrust belt with blocks bounded by normal or strike-slip faults that strongly rotated clockwise or anticlockwise. The diapirs are key heterogeneities for the nucléation and linking of structures at the beginning of the experiment. When shortening proceed, their influence on the fold-and-thrust belt geometry diminished with respect to that of the backstop protrusionSociedad Geológica de España20172017-01-0120172017-01-01journal articlehttp://purl.org/coar/resource_type/c_6501info:eu-repo/semantics/articleapplication/pdfhttp://hdl.handle.net/10272/15164reponame:Arias Montano. Repositorio Institucional de la Universidad de Huelvainstname:Universidad de Huelva (UHU)Inglésengopen accesshttp://purl.org/coar/access_right/c_abf2Atribución-NoComercial-SinDerivadas 3.0 Españahttp://creativecommons.org/licenses/by-nc-nd/3.0/es/info:eu-repo/semantics/openAccessoai:ariasmontano.uhu.es:10272/151642026-06-02T14:58:11Z
dc.title.none.fl_str_mv Influence of diapirs on the development of non-cylindrical arcuate fold-and-thrust belts: Results from analogue models of progressive arcs
Influencia de los diapiros en el desarrollo de cinturones de pliegues y cabalgamientos arqueados no cilindricos: Resultados de modelos analógicos de arcos progresivos
title Influence of diapirs on the development of non-cylindrical arcuate fold-and-thrust belts: Results from analogue models of progressive arcs
spellingShingle Influence of diapirs on the development of non-cylindrical arcuate fold-and-thrust belts: Results from analogue models of progressive arcs
Crespo Blanc, Ana
Progressive arc
Fold-and-thrust belt
Diapir
Analogue model
Arco progresivo
Cinturón de pliegues y cabalgamientos
Diapiro
Modelo analógico
title_short Influence of diapirs on the development of non-cylindrical arcuate fold-and-thrust belts: Results from analogue models of progressive arcs
title_full Influence of diapirs on the development of non-cylindrical arcuate fold-and-thrust belts: Results from analogue models of progressive arcs
title_fullStr Influence of diapirs on the development of non-cylindrical arcuate fold-and-thrust belts: Results from analogue models of progressive arcs
title_full_unstemmed Influence of diapirs on the development of non-cylindrical arcuate fold-and-thrust belts: Results from analogue models of progressive arcs
title_sort Influence of diapirs on the development of non-cylindrical arcuate fold-and-thrust belts: Results from analogue models of progressive arcs
dc.creator.none.fl_str_mv Crespo Blanc, Ana
Jiménez Bonilla, Alejandro
Balanyá, Juan Carlos
Expósito Ramos, Inmaculada
Díaz Azpiroz, Manuel
author Crespo Blanc, Ana
author_facet Crespo Blanc, Ana
Jiménez Bonilla, Alejandro
Balanyá, Juan Carlos
Expósito Ramos, Inmaculada
Díaz Azpiroz, Manuel
author_role author
author2 Jiménez Bonilla, Alejandro
Balanyá, Juan Carlos
Expósito Ramos, Inmaculada
Díaz Azpiroz, Manuel
author2_role author
author
author
author
dc.contributor.none.fl_str_mv
dc.subject.none.fl_str_mv Progressive arc
Fold-and-thrust belt
Diapir
Analogue model
Arco progresivo
Cinturón de pliegues y cabalgamientos
Diapiro
Modelo analógico
topic Progressive arc
Fold-and-thrust belt
Diapir
Analogue model
Arco progresivo
Cinturón de pliegues y cabalgamientos
Diapiro
Modelo analógico
description In this paper, we present analogue models built to test the diapir role on the along-strike segmentation of fold-and-thrust belts in progressive arcs. To model the progressive arc, we used a protruding backstop that deformed in map view while the experiments run. This backstop indented a parallelepiped formed by silicone at the bottom and sand, in which silicone cylinders were added to simulate diapirs. Various types of models with different size and distribution of the diapirs were made in order to investigate the strain partitioning modes around these heterogeneities. The deformation style of the models is characterized by a highly non-cylindrical arcuate fold-and-thrust belt with blocks bounded by normal or strike-slip faults that strongly rotated clockwise or anticlockwise. The diapirs are key heterogeneities for the nucléation and linking of structures at the beginning of the experiment. When shortening proceed, their influence on the fold-and-thrust belt geometry diminished with respect to that of the backstop protrusion
publishDate 2017
dc.date.none.fl_str_mv 2017
2017-01-01
2017
2017-01-01
dc.type.none.fl_str_mv journal article
http://purl.org/coar/resource_type/c_6501
dc.type.openaire.fl_str_mv info:eu-repo/semantics/article
format article
dc.identifier.none.fl_str_mv http://hdl.handle.net/10272/15164
url http://hdl.handle.net/10272/15164
dc.language.none.fl_str_mv Inglés
eng
language_invalid_str_mv Inglés
language eng
dc.rights.none.fl_str_mv open access
http://purl.org/coar/access_right/c_abf2
Atribución-NoComercial-SinDerivadas 3.0 España
http://creativecommons.org/licenses/by-nc-nd/3.0/es/
dc.rights.openaire.fl_str_mv info:eu-repo/semantics/openAccess
rights_invalid_str_mv open access
http://purl.org/coar/access_right/c_abf2
Atribución-NoComercial-SinDerivadas 3.0 España
http://creativecommons.org/licenses/by-nc-nd/3.0/es/
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv Sociedad Geológica de España
publisher.none.fl_str_mv Sociedad Geológica de España
dc.source.none.fl_str_mv reponame:Arias Montano. Repositorio Institucional de la Universidad de Huelva
instname:Universidad de Huelva (UHU)
instname_str Universidad de Huelva (UHU)
reponame_str Arias Montano. Repositorio Institucional de la Universidad de Huelva
collection Arias Montano. Repositorio Institucional de la Universidad de Huelva
repository.name.fl_str_mv
repository.mail.fl_str_mv
_version_ 1869419217368907776
score 15,81155

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