University of Michigan, Department of Geological Sciences, 2534 C. C. Little Building, 425 East University Avenue, Ann Arbor, MI 48109-1063 United States
University of Michigan, Department of Geological Sciences, 2534 C. C. Little Building, 425 East University Avenue, Ann Arbor, MI 48109-1063 United States
Ecole des Mines de Paris, Centre d'Informatique Géologique, UMR 7619 SISYPHE, 35 rue Saint Honoré, Fontainebleau, 77305 France