1. Univ. Grenoble Alpes, Univ. Savoie Mont Blanc, CNRS, IRD, IFSTTAR, ISTerre, Grenoble 38000, France
2. Univ. Lyon, Université Claude Bernard Lyon 1, CNRS, Institut Lumière Matière, Villeurbanne 69100, France
3. ESRF—The European Synchrotron, Grenoble 38000, France
4. Institut Laue−Langevin, Grenoble 38000, France
5. SIMAP, CNRS and Univ. Grenoble Alpes, Grenoble 38000, France
6. Queen Mary University of London, London E1 4NS, United Kingdom
7. Earth and Environmental Sciences Area, Lawrence Berkeley National Laboratory, Berkeley 94720, United States