1. Univ Rennes, CNRS, Géosciences Rennes, UMR 6118, 35000 Rennes, France
2. Department of Earth Sciences, University of Benghazi, PO Box 9480-1308, Benghazi, Libya
3. Université de Lorraine, GeoRessources 2, Rue du Doyen Marcel Roubault TSA 70605 54518 Vandoeuvre-lés-Nancy Cedex, France
4. Institut Universitaire de France, Paris, France
5. Department of Geology, University of Regina, Regina, Saskatchewan, S4S 0A2, Canada
6. Université Paris Saclay, UMR GEOPS, 91405 Orsay, France