Geophysical Laboratory, Carnegie Institution of Washington, 5251 Broad Branch Rd, NW, Washington, DC 20015-1305 United States
Geophysical Laboratory, Carnegie Institution of Washington, 5251 Broad Branch Rd, NW, Washington, DC 20015-1305 United States ; Department of Geosciences, University of Texas at Dallas, P.O. Box 830688, Richardson, TX 75083-0688 United States