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Neogene graben linked to flexural fold reactivation in the southern border of the Sierra de Cantabria (Alava -Navarra)

dc.contributor.authorCortés Gracia, A. L.
dc.contributor.authorCasas Sainz, Antonio
dc.date.accessioned2015-08-06T11:27:20Z
dc.date.available2015-08-06T11:27:20Z
dc.date.issued1996
dc.identifier.urihttp://hdl.handle.net/10272/11059
dc.description.abstractIn the hanging wall of the Sierra de Cantabria thrust (western sector of the southern Pyrenees) there are two Neogene graben with long axes oriented NE-SW and E-W. They are 10x3 and 15x3 km wide, respectively and filled with Miocene and Pliocene clastic deposits. Their southern margins are controlled by near vertical faults, which are roughly parallel to the strike of the OUgocene and Cretaceous beds, folded during the Pyrenean Tertiary shortening. These faults, formerly interpreted as normal extensional faults, can be explained as the result of reactivation, during the Late Miocene to the Pliocene, of former flexural slip NE-SW and E-W compressional folds linked to thrusting. Structures formed on the uncomformable Neogene cover during this reactivation were conditioned by the thickness and lithological changes between Cretaceous and OUgocene units. The interpretation given to these Neogene graben implies that compressional structures extend at least to the Pliocene in this part of the southern Pyrenean borderen_US
dc.language.isospaen_US
dc.publisherSociedad Geológica de Españaen_US
dc.rightsAtribución-NoComercial-SinDerivadas 3.0 España*
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/3.0/es/*
dc.subject.otherFlexural folden_US
dc.subject.otherReactivationen_US
dc.subject.otherNeotectonicsen_US
dc.subject.otherNeogeneen_US
dc.subject.otherSouthern Pyreneesen_US
dc.titleFosas neógenas asociadas a reactivación de pliegues en el borde sur de la Sierra de Cantabria (Alava-Navarra)en_US
dc.titleNeogene graben linked to flexural fold reactivation in the southern border of the Sierra de Cantabria (Alava -Navarra)eng
dc.typeinfo:eu-repo/semantics/articleen_US
dc.rights.accessRightsinfo:eu-repo/semantics/openAccessen_US


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