VOARINTSOA, Ny Riavo¹, COX, Rónadh², MADISON RAZANATSEHENO, Marie Olga³, and RAKOTONDRAZAFY, Amos Fety Michel³, (1) Department of Geology, University of Georgia, Athens, GA 30602, nyriavony@gmail.com, (2) Geosciences, Williams College, Williamstown, MA 01267, (3) Département des Sciences de la Terre, Université d'Antananarivo, Antananarivo, 101, Madagascar

BOWER, Jennifer A., Geology, Oberlin College, 76 E. Lorain, Apt. 1, Oberlin, OH 44074, jbower@oberlin.edu and SCHMIDT, Amanda H., Geology, Oberlin College, Geology Department, Rm. 416, 124 52 W. Lorain St, Oberlin, OH 44074

DAY, Stephanie S., Department of Geosciences, North Dakota State University, P.O. Box 6050, Fargo, ND 58108, stephanie.day@ndsu.edu, GRAN, Karen B., Geological Sciences, University of Minnesota Duluth, 1114 Kirby Dr, Duluth, MN 55812, and PAOLA, Chris, Earth Sciences, Univ of Minnesota, St. Anthony Falls Laboratory, Mississippi River at 3rd Ave SE, Minneapolis, MN 55414

KOOP, A.N., JOHNSON, W.C., and WILLEY, K.L., Department of Geography, University of Kansas, Lawrence, KS 66045, aaronkoop@ku.edu

LAUER, Nancy Ellen, Geology, The College of William and Mary, 110 Sadler Center Drive, CSU 1708, Williamsburg, VA 23185, nelauer@email.wm.edu and KASTE, James, Geology, The College of William and Mary, McGlothlin-Street Hall, Williamsburg, VA 23188