Evidence for an Early Cretaceous mineralizing event above the basement/sediment unconformity in the intracratonic Paris Basin: paragenetic sequence and Sm-Nd dating of the world-class Pierre-Perthuis stratabound fluorite deposit
1. Université Paris-Sud, UMR CNRS/UPS Géosciences Paris Sud (GEOPS), Bat. 504, 91405, Orsay, France 2. BRGM, 3 Avenue Claude-Guillemin, BP 36009, 45060, Orléans Cedex 2, France