Along-strike pre-orogenic thickness variation and onlapping geometries control on thrust wedge evolution: insights from sandbox analogue modelling
Thickness variation of sedimentary sequences is largely viewed as a controlling factor on the evolution of orogenic wedges; among the different structural and stratigraphic features generating thickness variation, we focused our analysis on the onlapping geometries, using laboratory sandbox experime...
Main Authors: | , , , , |
---|---|
Format: | Article in Journal/Newspaper |
Language: | Spanish |
Published: |
University of Oviedo
2011
|
Subjects: | |
Online Access: | https://reunido.uniovi.es/index.php/TDG/article/view/286 |
id |
ftunivoviedoojs:oai:servipub.unioviedo.es:article/286 |
---|---|
record_format |
openpolar |
spelling |
ftunivoviedoojs:oai:servipub.unioviedo.es:article/286 2023-05-15T16:29:02+02:00 Along-strike pre-orogenic thickness variation and onlapping geometries control on thrust wedge evolution: insights from sandbox analogue modelling Bigi, S. Galuppo, C. Perfetti, L. Colella, S. Civalleri, M. 2011-09-06 application/pdf https://reunido.uniovi.es/index.php/TDG/article/view/286 spa spa University of Oviedo https://reunido.uniovi.es/index.php/TDG/article/view/286/283 https://reunido.uniovi.es/index.php/TDG/article/view/286 Derechos de autor 2014 Trabajos de Geología Trabajos de Geología; No. 29 Trabajos de Geología; Núm. 29 1988-5172 0474-9588 10.17811/tdg.29.2009 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion 2011 ftunivoviedoojs https://doi.org/10.17811/tdg.29.2009 2022-10-18T09:21:08Z Thickness variation of sedimentary sequences is largely viewed as a controlling factor on the evolution of orogenic wedges; among the different structural and stratigraphic features generating thickness variation, we focused our analysis on the onlapping geometries, using laboratory sandbox experiments. The aim was trying to describe how a common sedimentary configuration could influence thrusts geometry and mode of accretion. Model results showed that onlapping geometries in pretectonic sediments cause a great complexity, dominated by curvilinear thrusts, back thrust and out-of sequence thrusts. They also influence mode of accretion, generating diachronous thrusting along strike, reactivation and under-thrusting alternating to simple piggy-back sequence. Our modeling results are compared with natural examples from the Apennines, the southern Pyrenees, the Pindos (Greece) and the West Spitsbergen (Greenland) fold and thrust belts, among many others, where strain localization and diachronic thrusting affecting thrust propagation in correspondence to complex geometries both in the pre-orogenic stratigraphy and in the upper crust. Article in Journal/Newspaper Greenland Spitsbergen REUNIDO Portal de Revistas de a Universidad de Oviedo Greenland |
institution |
Open Polar |
collection |
REUNIDO Portal de Revistas de a Universidad de Oviedo |
op_collection_id |
ftunivoviedoojs |
language |
Spanish |
description |
Thickness variation of sedimentary sequences is largely viewed as a controlling factor on the evolution of orogenic wedges; among the different structural and stratigraphic features generating thickness variation, we focused our analysis on the onlapping geometries, using laboratory sandbox experiments. The aim was trying to describe how a common sedimentary configuration could influence thrusts geometry and mode of accretion. Model results showed that onlapping geometries in pretectonic sediments cause a great complexity, dominated by curvilinear thrusts, back thrust and out-of sequence thrusts. They also influence mode of accretion, generating diachronous thrusting along strike, reactivation and under-thrusting alternating to simple piggy-back sequence. Our modeling results are compared with natural examples from the Apennines, the southern Pyrenees, the Pindos (Greece) and the West Spitsbergen (Greenland) fold and thrust belts, among many others, where strain localization and diachronic thrusting affecting thrust propagation in correspondence to complex geometries both in the pre-orogenic stratigraphy and in the upper crust. |
format |
Article in Journal/Newspaper |
author |
Bigi, S. Galuppo, C. Perfetti, L. Colella, S. Civalleri, M. |
spellingShingle |
Bigi, S. Galuppo, C. Perfetti, L. Colella, S. Civalleri, M. Along-strike pre-orogenic thickness variation and onlapping geometries control on thrust wedge evolution: insights from sandbox analogue modelling |
author_facet |
Bigi, S. Galuppo, C. Perfetti, L. Colella, S. Civalleri, M. |
author_sort |
Bigi, S. |
title |
Along-strike pre-orogenic thickness variation and onlapping geometries control on thrust wedge evolution: insights from sandbox analogue modelling |
title_short |
Along-strike pre-orogenic thickness variation and onlapping geometries control on thrust wedge evolution: insights from sandbox analogue modelling |
title_full |
Along-strike pre-orogenic thickness variation and onlapping geometries control on thrust wedge evolution: insights from sandbox analogue modelling |
title_fullStr |
Along-strike pre-orogenic thickness variation and onlapping geometries control on thrust wedge evolution: insights from sandbox analogue modelling |
title_full_unstemmed |
Along-strike pre-orogenic thickness variation and onlapping geometries control on thrust wedge evolution: insights from sandbox analogue modelling |
title_sort |
along-strike pre-orogenic thickness variation and onlapping geometries control on thrust wedge evolution: insights from sandbox analogue modelling |
publisher |
University of Oviedo |
publishDate |
2011 |
url |
https://reunido.uniovi.es/index.php/TDG/article/view/286 |
geographic |
Greenland |
geographic_facet |
Greenland |
genre |
Greenland Spitsbergen |
genre_facet |
Greenland Spitsbergen |
op_source |
Trabajos de Geología; No. 29 Trabajos de Geología; Núm. 29 1988-5172 0474-9588 10.17811/tdg.29.2009 |
op_relation |
https://reunido.uniovi.es/index.php/TDG/article/view/286/283 https://reunido.uniovi.es/index.php/TDG/article/view/286 |
op_rights |
Derechos de autor 2014 Trabajos de Geología |
op_doi |
https://doi.org/10.17811/tdg.29.2009 |
_version_ |
1766018731618598912 |