L'escarpement de faille de la Têt est-il le résultat de la tectonique active Plio-Pléistocène ou d'une exhumation Pléistocène ? |
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| Authors: | Jean-Michel Carozza Stéphane Baize |
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| Institution: | 1. Département de géographie, université Louis-Pasteur, 3, rue de l''Argonne, 67083 Strasbourg cedex, et GEODE, UMR 5602 CNRS, France;2. Institut de radioprotection et de sûreté nucléaire, 18, route du Panorama, 92260 Fontenay-aux-Roses, France |
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| Abstract: | The Têt Fault looks like an active fault. Its activity, attested for Pliocene, remains discussed for Pleistocene. We propose a new scenario of evolution for the Têt Fault, highlighting the importance of Pleistocene exhumation processes. It is based on a relationship between morphology and basin filling. During Pleistocene, the fault activity is weak and vertical displacements seem to have no considerable impact on the drainage features. This study concludes that Pliocene offset may also be reduced: the fault activity generating relief is anterior to Pliocene. To cite this article: J.-M. Carozza, S. Baize, C. R. Geoscience 336 (2004). |
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| Keywords: | Pyrénées orientales faille exhumation néotectonique incision France Eastern Pyrenees fault exhumation process neotectonics downcutting France |
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