Origine tectonique du pli supportant le glissement de terrain de la Clapière (Nord-Ouest du massif de l'Argentera-Mertancour, Alpes du Sud, France) d'après l'analyse de la fracturation

Abstract : The Clapiere landslide is underlain by a folded structure, usually described as the result of the gravitational toppling that triggered the sliding. A mechanical interpretation of conjugate shear fractures formed under (at least) 4-5 km of overburden demonstrates that these fractures overprint the fold. Therefore, the fold cannot be a present-day gravitational structure. On the contrary, it has a tectonic origin and could be related to Oligocene-Miocene thrust tectonics. The fold has no direct link with current slope instability.
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Submitted on : Friday, March 21, 2014 - 1:49:00 PM
Last modification on : Thursday, March 16, 2017 - 1:02:14 AM

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  • HAL Id : ineris-00962815, version 1
  • INERIS : PU-2002-108

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Yann Gunzburger, B. Laumonier. Origine tectonique du pli supportant le glissement de terrain de la Clapière (Nord-Ouest du massif de l'Argentera-Mertancour, Alpes du Sud, France) d'après l'analyse de la fracturation. Comptes Rendus Géoscience, Elsevier Masson, 2002, 334 (6), pp.415-422. ⟨ineris-00962815⟩

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