1. Division of Geological and Planetary SciencesCalifornia Institute of Technology Pasadena California USA
2. Now at Department of Earth and Planetary Sciences University of California Santa Cruz California USA
3. Department of Chemical Engineering and Material SciencesUniversity of Southern California Los Angeles California USA
4. Geoazur LaboratoryUniversity of Nice Sophia Antipolis Nice France
5. Institut Universitaire de France Paris France