Paleomagnetic results from the Permian Rodez basin implications: the Late Variscan tectonics in the southern French Massif Central |
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| Institution: | 1. Géomagnétisme et Paléomagnétisme, CNRS and IPGP, 4, avenue de Neptune, 94107 Saint-Maur cedex, France;2. Instituto Mexicano del Petroleo, Eje Central Lazaro Cardenas 152, 07730 Mexico City, Mexico;3. ISTO, Département des Sciences de la Terre, Université d’Orléans, 45067 Orléans cedex 2, France;4. BRGM–DR/MGG–BP 6009, 45060 Orléans cedex 2, France;1. Department of Materials Science and Engineering, The Pennsylvania State University, University Park, PA 16802, USA;2. Department of Chemical Engineering, University of Florida, Gainesville, FL 32611, USA |
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| Abstract: | A paleomagnetic study has been carried out on three sedimentary formations of the Permian Rodez basin in the southern France. Two of them yield paleomagnetic poles of Saxonian and Thuringian age showing counterclockwise rotation of moderate amplitude, during or after the Thuringian deposition. For the French Massif Central, contrary to its stable southern (Lodève basin) and eastern (Largentière basin) borders, on its southwestern border, in a large area including the Rodez, Saint-Affrique and perhaps Brive basins suffered rotations due to the extensional tectonics during the Late Variscan period. |
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