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Caractérisation de la déformation tectonique récente en Provence (SE France)

Abstract : A multidisciplinary study (tectonics, geomorphology, geophysics, boreholes, 10Be ages...) has been realized in order to characterize recent tectonic deformations in Provence. The aim was to understand the geodynamic evolution of potentially seismogenic structures, to determine deformation rates for the plio-quaternary period and to study the relationship between tectonic and erosion in this slow deformation rate context. Pliocene to present-day deformations are controlled by the geodynamics of the Alps but the structures of Provence mainly result from the “pyrénéo-provençal” phase which occurred from Late Cretaceous to Middle Eocene. The “alpine” Miocene phase is mainly expressed between the Middle Durance fault and the Salon-Cavaillon fault (e.g. Luberon, Trévaresse). Displacement rates obtained from the deformation of geomorphic markers resulting from the messinian salinity crisis or/and the Quaternary glacio-eustatism cycles are often lesser than 0,1 mm/yr. This deformation could be recorded by very recent geological markers even if the present-day geomorphology is mainly controlled by erosional processes.
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Contributor : Stéphane Molliex <>
Submitted on : Monday, June 21, 2010 - 12:38:05 PM
Last modification on : Wednesday, October 14, 2020 - 3:49:32 AM
Long-term archiving on: : Wednesday, September 22, 2010 - 6:03:28 PM


  • HAL Id : tel-00493766, version 1



Stéphane Molliex. Caractérisation de la déformation tectonique récente en Provence (SE France). Tectonique. Université Paul Cézanne - Aix-Marseille III, 2009. Français. ⟨tel-00493766⟩



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