WALKER, J. Douglas, Department of Geology, University of Kansas, Lawrence, KS 66045, jdwalker@ku.edu, GEISSMAN, J.W., Department of Geosciences, ROC 21, University of Texas at Dallas, 800 West Campbell Road, Richardson, TX 75080, BOWRING, Samuel A., Earth, Atmospheric, and Planetary Sciences, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, MA 02139, and BABCOCK, Loren E., School of Earth Sciences, The Ohio State University, 275 Mendenhall Laboratory, 125 S. Oval Mall, Columbus, OH 43210

CORFU, Fernando, Department of Geosciences, University of Oslo, PO Box 1047, Blindern, Oslo 0316 Norway, fernando.corfu@geo.uio.no

MELCHIN, Michael, Department of Earth Sciences, St. Francis Xavier University, Antigonish, NS B2G 2V5, Canada, mmelchin@stfx.ca, MITCHELL, Charles, Department of Geology, The University at Buffalo, Box 603050, Buffalo, NY 14260-3050, HOLMDEN, Chris, Geological Sciences, University of Saskatchewan, 114 Science Place, Saskatoon, SK S7N 5E2, Canada, and ŠTORCH, Petr, Institute of Geology AS CR, Rozvojova ́ 135, 165 02, Praha, 6, Czech Republic

HINNOV, Linda A., Dept. Earth & Planetary Sciences, Johns Hopkins University, Baltimore, MD 21218, hinnov@jhu.edu

STANLEY, Steven M., Geology and Geophysics, University of Hawaii, Post Bldg. 701, 1680 East-West Road, Honolulu, HI 96822, stevenst@hawaii.edu

EVANS, David A.D., Department of Geology and Geophysics, Yale University, New Haven, CT 06520, david.evans@yale.edu

BROWN, Michael, Department of Geology, University of Maryland, Laboratory for Crustal Petrology, College Park, MD 20742, mbrown@umd.edu

JAMIESON, Rebecca A.¹, BEAUMONT, Christopher², and BUTLER, Jared P.¹, (1) Department of Earth Sciences, Dalhousie University, Halifax, NS B3H 4R2, Canada, beckyj@dal.ca, (2) Department of Oceanography, Dalhousie University, Halifax, NS B3H 4R2, Canada

WHITNEY, Donna L., Department of Earth Sciences, University of Minnesota, Minneapolis, MN 55455, dwhitney@umn.edu, TEYSSIER, Christian, Earth Sciences, University of Minnesota, Minneapolis, MN 55455, REY, Patrice F., School of Geosciences, The University of Sydney, Sydney, NSW 2006, Australia, and BUCK, W. Roger, Lamont-Doherty Earth Observatory, Columbia University, Palisades, NY 10964

JOHNSTON, Stephen T., School of Earth and Ocean Sciences, University of Victoria, Bob Wright Centre, PO Box 3065 STN CSC, Victoria, BC V8W 3V6, Canada, stj@uvic.ca, WEIL, Arlo Brandon, Department of Geology, Bryn Mawr College, Bryn Mawr, PA 19010, and GUTIÉRREZ-ALONSO, Gabriel, Departamento de Geología, Universidad de Salamanca, Salamanca, 37008

KOEBERL, Christian, Department of Lithospheric Research, University of Vienna, Althanstrasse 14, A-1090 Vienna, Austria, also of the Natural History Museum, Burgring 7, A-1010 Vienna, Austria, christian.koeberl@univie.ac.at and REIMOLD, Wolf Uwe, Museum für Naturkunde, Leibniz Institute at Humboldt University Berlin, Invalidenstrasse 43, Berlin, D-10115, Germany