Yale University, Department of Geology & Geophysics P.O. Box 208109, New Haven, CT 06520-8109 United States ; ENS Lyon, Laboratoire de Sceinces de la Terre 46, allee d'Italie, Lyon cedex 07, 69364 France
Yale University, Department of Geology & Geophysics P.O. Box 208109, New Haven, CT 06520-8109 United States
ENS Lyon, Laboratoire de Sceinces de la Terre 46, allee d'Italie, Lyon cedex 07, 69364 France