WALKER, J. Douglas, Department of Geology, University of Kansas, Lawrence, KS 66045, GEISSMAN, J.W., Department of Geosciences, ROC 21, University of Texas at Dallas, 800 West Campbell Road, Richardson, TX 75080, BOWRING, Samuel A., EAPS, Massachusetts Institute of Technology, 77 Massachusetts Ave., 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, jdwalker@ku.edu, jdwalker@ku.edu

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

MELCHIN, Michael, Department of Earth Sciences, St. Francis Xavier University, Antigonish, NS B2G 2V5, Canada, 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, mmelchin@stfx.ca, mmelchin@stfx.ca

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

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