1. Laboratoire de Géologie de Lyon: Terre, Planètes, Environnements, UMR 5276, CNRS, Ecole Normale supérieure de Lyon Lyon France
2. Institute of Geosciences Johannes Gutenberg University Mainz Germany
3. Univ Lyon, Université Claude Bernard Lyon 1, CNRS, ENTPE Villeurbanne France
4. Department of Archaeology University of Aberdeen Aberdeen UK
5. Department of Earth and Environmental Sciences University of Ottawa Ottawa Ontario Canada