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On the Upper Ordovician unconformity in the Pyrenees: New evidence from the La Cerdanya area

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dc.creator Casas Tuset, Josep Maria
dc.creator Fernández, Òscar
dc.date 2011-03-08T09:35:04Z
dc.date 2011-03-08T09:35:04Z
dc.date 2007
dc.date.accessioned 2024-12-16T10:26:15Z
dc.date.available 2024-12-16T10:26:15Z
dc.identifier 1695-6133
dc.identifier http://hdl.handle.net/2445/16882
dc.identifier 554744
dc.identifier.uri http://fima-docencia.ub.edu:8080/xmlui/handle/123456789/20778
dc.description In recent years, contradictory reports about whether or not an unconformity exists at the base of the Upper Ordovician succession of the Pyrenees have been made. In the Cerdanya area (Central Pyrenees), good outcrop evidence for this unconformity is displayed at the base of the Rabassa conglomerates. In this area, the Upper Ordovician rocks overlie a tilted Cambro-Ordovician sequence, displaying an angular unconformity and indicating a break in the stratigraphic series. Moreover, the existence of such an unconformity is supported by the distribution of Variscan minor structures, suggesting that the Cambro-Ordovician and the Upper Ordovician strata initially had different orientations before the main Variscan folding.
dc.format 6 p.
dc.format application/pdf
dc.language eng
dc.publisher Universitat de Barcelona (UB). Institut de Ciències de la Terra Jaume Almera (ICTJA). Institut de Diagnosi Ambiental i Estudis de l'Aigua (IDEA). Universitat Autonònoma de Barcelona (UAB). Consejo Superior de Investigaciones Científicas (CSIC)
dc.relation Reproducció del document publicat a http://doi.org/10.1344/105.000000304
dc.relation Geologica Acta, 2007, vol. 5, núm. 2, p. 193-198
dc.relation http://doi.org/10.1344/105.000000304
dc.rights cc by-sa (c) Casas et al., 2007
dc.rights http://creativecommons.org/licenses/by-sa/3.0/es/
dc.rights info:eu-repo/semantics/openAccess
dc.source Articles publicats en revistes (Dinàmica de la Terra i l'Oceà)
dc.subject Geologia
dc.subject Estratigrafia
dc.subject Pirineus
dc.subject Geology
dc.subject Stratigraphic
dc.subject Pyrenees
dc.title On the Upper Ordovician unconformity in the Pyrenees: New evidence from the La Cerdanya area
dc.type info:eu-repo/semantics/article
dc.type info:eu-repo/semantics/publishedVersion


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