CHAN, Marjorie A., Dept. of Geology and Geophysics, University of Utah, 115 South 1460 East, Room 383 FASB, Salt Lake City, UT 84112, marjorie.chan@utah.edu and ANAND, Ravi R., Earth Science and Resource Engineering, CSIRO, 26 Dick Perry Avenue, Kensington Western Australia, Perth, 6151, Australia

HYLAND, Ethan, Department of Earth and Environmental Sciences, University of Michigan, 2534 CC Little, 1100 North University, Ann Arbor, MI 48109, hylande@umich.edu, SHELDON, Nathan D., Earth and Environmental Sciences, University of Michigan, 2534 CC Little Building, Ann Arbor, MI 48109, BADGLEY, Catherine, Department of Ecology and Evolutionary Biology, University of Michigan, 1109 Geddes Avenue, Ann Arbor, MI 48109, VAN DER VOO, Rob, Earth & Environmental Sciences, University of Michigan, Ann Arbor, MI 48109, and ABRAJEVITCH, Alexandra, School of Earth Sciences, Australian National University, Canberra, 0200, Australia

GALLAGHER, Timothy M., Department of Earth and Environmental Sciences, University of Michigan, 2534 C.C. Little Building, 1100 North University Ave, Ann Arbor, MI 48109, tgallag@umich.edu and SHELDON, Nathan D., Earth and Environmental Sciences, University of Michigan, 2534 CC Little Building, Ann Arbor, MI 48109

QUADE, Jay, Geosciences, University of Arizona, Tucson, AZ 85721, quadej@email.arizona.edu, EILER, John M., Division of Geology and Planetary Sciences, California Institute of Technology, MC 170-25, 1200 E. California Blvd, Pasadena, 91125, and DAËRON, Mathieu, Cnrs, Laboratoire des Sciences du Climat et de l'Environnement, Gif-sur-Yvette, 91198, France

LOUGHNEY, Katharine M., Department of Earth and Environmental Sciences, University of Michigan, 2534 C.C. Little Building, 1100 North University Ave, Ann Arbor, MI 48109, k.m.loughney@gmail.com, FASTOVSKY, David E., Department of Geosciences, University of Rhode Island, 9 East Alumni Ave, Kingston, RI 02881, and PARKER, William G., Division of Resource Management, Petrified Forest National Park, P.O. Box 2217, 1 Park Rd, Petrified Forest, AZ 86028

BADER, Nicholas E.¹, LOPEZ-MALDONADO, Ricardo², MUDD, Anna Catharine³, MURRAY, Kira¹, and NICOLAYSON, Kirsten P.⁴, (1) Geology, Whitman College, 345 Boyer Avenue, Walla Walla, WA 99362, baderne@whitman.edu, (2) University of Idaho, Moscow, ID 83844, (3) The College of Wooster, 1189 Beall Ave, Wooster, OH 44691, (4) Geology, Whitman College, 345 Boyer Ave, Walla Walla, WA 99362

KATSIAFICAS, Nathan J., Earth & Environmental Sciences, Vanderbilt University, 2301 Vanderbilt Pl, PMB 351805, Nashville, TN 37235, nathan.j.katsiaficas@vanderbilt.edu and AYERS, John C., Earth & Environmental Sciences, Vanderbilt University, Nashville, TN 37235

NORDT, Lee, Department of Geology, Baylor University, One Bear Place #97354, Waco, TX 76798, lee_nordt@baylor.edu and DRIESE, S.G., Department of Geology, Baylor University, One Bear Place #97354, Waco, TX 76798-7354

OKAFOR, Brandon¹, BREECKER, Dan O.², DRIESE, S.G.³, NORDT, Lee³, and WARDEN, John⁴, (1) Geology, The University of Texas at Austin, 4600 Elmont Dr, Austin, TX 78741, bokafor1208@gmail.com, (2) Department of Geological Sciences, The University of Texas at Austin, Austin, TX 78712, (3) Department of Geology, Baylor University, One Bear Place #97354, Waco, TX 76798-7354, (4) Department of Geological Sciences, University of Texas - Austin, 2275 Speedway Stop C9000, Austin, TX 78712 – 1722

LUDVIGSON, G.A.¹, GONZALEZ, Luis A.², FOWLE, D.A.³, ROBERTS, J.A.³, DRIESE, S.G.⁴, and SUAREZ, Marina⁵, (1) Kansas Geological Survey, University of Kansas, Lawrence, KS 66047, gludvigson@kgs.ku.edu, (2) Department of Geology, University of Kansas, Lawrence, KS 66045-7613, (3) Geology, University of Kansas, Multidisciplinary Research Building, 2030 Becker Dr, Lawrence, KS 66047, (4) Department of Geology, Baylor University, One Bear Place #97354, Waco, TX 76798-7354, (5) Dept. of Geological Sciences, U. of Texas, San Antonio, 1 UTSA Circle, San Antonio, TX 78249