Institution: | (1) Department of Geology and Geophysics, University of Minnesota, Minneapolis, Minnesota 55455, USA;(2) Department of Materials Science, University of Minnesota, Minneapolis, Minnesota 55455, USA;(3) Present address: American Physical Society, 529 14th St., NW, Suite 1050, Washington, DC 20045, USA;(4) Department of Geology and Geophysics, University of Minnesota, Minneapolis, Minnesota 55455, USA;(5) Present address: Department of Geology and Geophysics, Peking University, 100871 Beijing, China |