OGG, James G.¹, GRADSTEIN, Felix M.², AULT, Aaron³, CHUNDURU, Nag Varun³, BALMOS, Andrew³ and BOBICK, Rebecca¹, (1)Earth, Atmospheric and Planetary Sciences, Purdue University, 550 Stadium Mall Drive, West Lafayette, IN 47907-2051, (2)Museum of Natural History, Univ of Oslo, P.O.Box 1172 Blindern, Oslo, N-0318, Norway, (3)Computer Engineering, Purdue University, MSEE Building, West Lafayette, IN 47907-2051, felix.gradstein@nhm.uio.no, felix.gradstein@nhm.uio.no

EDWARDS, Lucy E., U.S. Geological Survey, MS926A National Center, Reston, VA 20192, leedward@usgs.gov, leedward@usgs.gov

TANAKA, Kenneth L., Astrogeology Science Center, U.S. Geological Survey, 2255 N. Gemini Dr, Flagstaff, AZ 86001, HARTMANN, William K., Planetary Science Institute, 1700 E Ft Lowell Rd, Ste 106, Tucson, AZ 85719, COLLINS, Geoffrey C., Physics and Astronomy, Wheaton College, Norton, MA 02766 and OGG, James G., Earth and Atmospheric Sciences, Purdue Univ, 550 Stadium Mall Drive, West Lafayette, IN 47907-2051, jogg@purdue.edu, jogg@purdue.edu

VAN KRANENDONK, Martin J., School of Biological, Earth and Environmental Sciences, University of New South Wales, Kensington, NSW, 2052, Australia, Martin.vankranendonk@unsw.edu.au, Martin.vankranendonk@unsw.edu.au

MELCHIN, Michael, Department of Earth Sciences, St. Francis Xavier University, Antigonish, NS B2G 2V5, Canada, SADLER, Peter, Department of Earth Sciences, University of California, Riverside, CA 92521, COOPER, Roger A., GNS Science, P.O. Box 30-368, Lower Hutt, 5010, New Zealand and CRAMER, Bradley D., Department of Geoscience, University of Iowa, 121 Trowbridge Hall, Iowa City, IA 52242, mmelchin@stfx.ca, mmelchin@stfx.ca

BECKER, Thomas¹, GRADSTEIN, Felix M.² and HAMMER, Oyvind², (1)Westfälische Wilhelms-Universität Geologisch-Paläontologisches Institut und Museum, Corrensstrasse 24, Münster, D-48149, Germany, (2)Museum of Natural History, Univ of Oslo, P.O.Box 1172 Blindern, Oslo, N-0318, Norway, felix.gradstein@nhm.uio.no, felix.gradstein@nhm.uio.no

HINNOV, Linda A., Dept. Earth & Planetary Sciences, Johns Hopkins University, Baltimore, MD 21218, OGG, James G., Earth and Atmospheric Sciences, Purdue Univ, 550 Stadium Mall Drive, West Lafayette, IN 47907-2051 and HUANG, Chunju, Faculty of Earth Resources, China University of Geosciences, Wuhan, 430074, China, hinnov@jhu.edu, hinnov@jhu.edu

SINGER, Brad S., Department of Geoscience, University of Wisconsin-Madison, 1215 W. Dayton St, Madison, WI 53076, SIEWERT, Sarah E., Geoscience, University of Wisconsin-Madison, 1215 West Dayton St, Madison, WI 53076, MEYERS, Stephen R., Department of Geoscience, University of Wisconsin, 1215 West Dayton St, Madison, WI 53076, SAGEMAN, Bradley B., Earth and Planetary Sciences, Northwestern University, 1850 Campus Drive, Evanston, IL 60208, CONDON, Daniel, NERC Isotope Geoscience Laboratory, British Geological Survey, Keyworth, Nottingham, NG12 5GG, United Kingdom, JICHA, Brian R., Department of Geoscience, University of Wisconsin-Madison, 1215 W. Dayton St, Madison, WI 53706, SAWYER, David A., USGS, MS 980, Box 25046, Denver, CO 80225 and OBRADOVICH, John D., U.S. Geological Survey, MS 980, Box 25046, Denver, CO 80225, bsinger@geology.wisc.edu, bsinger@geology.wisc.edu

VANDENBERGHE, Noël¹, HILGEN, Frits², LOURENS, Lucas J.¹, SPEIJER, Robert P.³, VAN DAM, Jan A.⁴, OGG, James G.⁵ and GRADSTEIN, Felix M.⁶, (1)Department of Earth and Environmental Sciences, K.U. Leuven, Celestijnenlaan 200E, Leuven, B-3001, Belgium, (2)Department of Earth Sciences, Utrecht University, Budapestlaan 4, Utrecht, 3584 CD, Netherlands, (3)Earth and Environmental Sciences, Katholieke Universiteit Leuven, Celestijnenlaan 200E, Leuven, B3001, Belgium, (4)Institut Català de Paleontologia Miquel Crusafont (ICP), Campus de la UAB, Mòdul ICP, Cerdanyola del Vallès, E-08193, Spain, (5)Earth and Atmospheric Sciences, Purdue Univ, 550 Stadium Mall Drive, West Lafayette, IN 47907-2051, (6)Museum of Natural History, Univ of Oslo, P.O.Box 1172 Blindern, Oslo, N-0318, Norway, jogg@purdue.edu, jogg@purdue.edu

GIBBARD, Philip L., Cambridge Quaternary, University of Cambridge, Department of Geography, Downing Street, Cambridge, CB2 3EN, United Kingdom and COHEN, Kim, Physical Geography, Utrecht University, POBOX 80.115, Utrecht, 3508 TC, Netherlands, plg1@cam.ac.uk, plg1@cam.ac.uk

COHEN, Kim M., Physical Geography, Utrecht University, PO Box 80115, Utrecht, 3508 TC, Netherlands and GIBBARD, Philip L., Cambridge Quaternary, University of Cambridge, Department of Geography, Downing Street, Cambridge, CB2 3EN, United Kingdom, plg1@cam.ac.uk, plg1@cam.ac.uk

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

MCARTHUR, John M., Earth Science, University College London, Gower Street, London, WC1E 6BT, United Kingdom and HOWARTH, Richard, Earth Science, University College London, UCL, Gower Street, London, WC1E 6BT, United Kingdom, j.mcarthur@ucl.ac.uk, j.mcarthur@ucl.ac.uk

GROSSMAN, Ethan L., Department of Geology & Geophysics, Texas A&M Univ, College Station, TX 77843-3115, grossman@geo.tamu.edu, grossman@geo.tamu.edu

SALTZMAN, Matthew R., School of Earth Sciences, The Ohio State University, 275 Mendenhall Laboratory, 125 South Oval Mall, Columbus, OH 43210 and THOMAS, Ellen, Geology and Geophysics and Department of Earth and Environmental Sciences, Yale University and Wesleyan University, P O Box 208109, New Haven, CT 06520-8109, saltzman.11@osu.edu, saltzman.11@osu.edu

JOO, Young Ji, HURTGEN, Matthew T. and SAGEMAN, Bradley B., Earth and Planetary Sciences, Northwestern University, Evanston, IL 60208-3130, yjoo@earth.northwestern.edu, yjoo@earth.northwestern.edu

MA, Chao, Department of Geosience, University of Wisconsin Madison, Weeks Hall, 1215 W Dayton St, Madison, WI 53706, MEYERS, Stephen R., Department of Geoscience, University of Wisconsin, 1215 West Dayton St, Madison, WI 53076, SAGEMAN, Bradley B., Earth and Planetary Sciences, Northwestern University, 1850 Campus Drive, Evanston, IL 60208, SINGER, Brad S., Department of Geoscience, University of Wisconsin-Madison, 1215 W. Dayton St, Madison, WI 53076, JICHA, Brian R., Department of Geoscience, University of Wisconsin-Madison, 1215 W. Dayton St, Madison, WI 53706 and JOO, Young Ji, Department of Earth and Planetary Sciences, Northwestern University, 1850 Campus Drive, Evanston, IL 60208-2150, mchao4@wisc.edu, mchao4@wisc.edu

DUNHILL, Alexander M., School of Earth Sciences, University of Bristol, Wills Memorial Building, Queen's Road, Bristol, BS8 1RJ, United Kingdom, alex.dunhill@bristol.ac.uk, alex.dunhill@bristol.ac.uk

LESLIE, Stephen A., Department of Geology and Environmental Sciences, James Madison University, MSC 6903, Harrisonburg, VA 22807, SELL, Bryan K., Department of Earth and Environmental Sciences, University of Michigan, Ann Arbor, MI 48109, SALTZMAN, Matthew R., School of Earth Sciences, The Ohio State University, 275 Mendenhall Laboratory, 125 South Oval Mall, Columbus, OH 43210, REPETSKI, John E., U. S. Geological Survey, 926A National Center, Reston, VA 20192 and EDWARDS, Cole T., Earth Sciences, The Ohio State University, 275 Mendenhall Laboratory, 125 South Oval Mall, Columbus, OH 43210, lesliesa@jmu.edu, lesliesa@jmu.edu

SUCZEK, Christopher A., Geology, Western Washington University, 516 High Street, Bellingham, WA 98225, suczek@geol.wwu.edu, suczek@geol.wwu.edu