Clément Alibert¹, Eric Pili², Charles R Carrigan³, Yunwei Sun⁴, Florent Massol⁵, Simon Chollet⁵ and Pierre Barré⁶, (1)Ecole Normale Supérieure Paris, Geology Laboratory, Paris, France, (2)CEA/DAM- ILE DE FRANCE, Arpajon, France, (3)Lawrence Livermore National Laboratory, Livermore, CA, United States, (4)Lawrence Livermore Natl Lab, Livermore, CA, United States, (5)CNRS, ECOTRON Ile-­‐De-­‐France, St-Pierre-lès-Nemours, France, (6)CNRS, Laboratoire de Géologie de l'ENS, Paris, France