1. Ecole Normale Supérieure de Lyon Université de Lyon Université Claude Bernard Lyon 1 Laboratoire de Géologie de Lyon, Terre, Planètes, Environnement Lyon France
2. Institut Universitaire de France Paris France
3. Centre for Environmental and Industrial Flows University of Cambridge Cambridge UK
4. Department of Earth Sciences University of Cambridge Cambridge UK
5. Department of Applied Mathematics and Theoretical Physics University of Cambridge Cambridge UK