Une carte gravimétrique haute résolution du massif du Mont-Blanc : implications structuralesA high-resolution gravity map of the Mont-Blanc massif: structural consequences |
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| Authors: | Frédéric Masson Frédérick Gal Philippe-Hervé Leloup |
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| Affiliation: | 1. Laboratoire de géophysique, tectonique et sédimentologie, université Montpellier-2–CNRS, CC060, 4, place Eugène-Bataillon, 34095 Montpellier cedex 05, France;2. Institut de physique du Globe, 4, place Jussieu, 75252 Paris cedex 05, France |
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| Abstract: | We performed a gravity survey in the Mont-Blanc and Aiguilles Rouges ranges in order to improve the gravity data coverage of the Alpine crystalline external ranges, and to constrain the deep geometry of a crustal scale thrust. Preliminary results allow us to propose a geometry for the deep structure of the ranges, taking into account a major reverse fault that bounds the Mont-Blanc range: the Mont-Blanc shear zone. To cite this article: F. Masson et al., C. R. Geoscience 334 (2002) 1011–1019. |
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| Keywords: | Alps gravimetry crustal thrusting Alpes gravimétrie chevauchement crustal Géophysique interne Internal Geophysics |
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