Institut des Sciences de la Terre d'Orléans - UMR7327 (ISTO) ; Bureau de Recherches Géologiques et Minières (BRGM) - Université d'Orléans (UO) - INSU - CNRS
Key Laboratory of Orogenic Belts and Crustal Evolution ; Peking University / Beijing
Key Laboratory of Orogenic Belts and Crustal Evolution - Ministry of Education ; Peking University
National Natural Science Foundation of China (40872145, 40821002). This is a contribution to IGCP#592 supported by UNESCO-IUGS.