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Interactions entre tectonique et processus de surface dans l'avant-pays alpin : apports de la modélisation analogique et analyse de la fracturation récente

Abstract : To study the dynamics of an orogen-foreland system and more particularly the impact of surface processes on its development, we base our work on two main axes. In a first part, using analogue tapered wedge models, we investigate the interplay between tectonics, erosion and sedimentation during the orogenic growth. The basis model mimics the evolution of a wedge section extending from the orogen to its foreland basin, with both the structural and the lithological heritages simulated. In a second part, the focus is on the recent tectonic and geomorphologic processes affecting the Swiss Prealpes klippen belt and surrounding structural units (Molasse basin and Jura fold-and-thrust belt). Remote sensing analyses allow to evaluate the impact of tectonics on the drainage pattern and landscape morphology. In addition, local field investigations in the Prealpes provide information on the nature and kinematic of brittle fractures and the paleostress fields.
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https://tel.archives-ouvertes.fr/tel-00138836
Contributor : Cécile Bonnet-Matzinger <>
Submitted on : Tuesday, March 27, 2007 - 6:06:43 PM
Last modification on : Friday, April 5, 2019 - 8:14:41 PM
Long-term archiving on: : Wednesday, April 7, 2010 - 3:06:50 AM

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  • HAL Id : tel-00138836, version 1

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Cécile Bonnet. Interactions entre tectonique et processus de surface dans l'avant-pays alpin : apports de la modélisation analogique et analyse de la fracturation récente. Tectonique. Université Montpellier II - Sciences et Techniques du Languedoc, 2007. Français. ⟨tel-00138836⟩

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