GSA Annual Meeting in Denver, Colorado, USA - 2016

ZIMMERMAN, Susan Herrgesell, Center for Accelerator Mass Spectrometry, Lawrence Livermore National Laboratory, P.O. Box 808, L-397, Livermore, CA 94550, ALI, Guleed A.H., Department of Earth and Environmental Sciences and Lamont-Doherty Earth Observatory, Columbia University, Palisades, NY 10964 and HEMMING, Sidney R., Department of Earth and Environmental Sciences, Lamont-Doherty Earth Observatory of Columbia University, 61 Route 9W, Palisades, NY 10964-1000, zimmerman17@llnl.gov

SMOOT, Joseph P., U.S. Geological Survey (emeritus), M.S. 926A, National Center, Reston, VA 20192, LITWIN, Ronald J., U.S. Geological Survey, 926A National Center 12201 Sunrise Valley Dr, Reston, VA 20192, PAVICH, Milan J., U.S. Geological Survey (emeritus), 12201 Sunrise Valley Drive, MS 926A, Reston, VA 20192 and BROOK, George, Department of Geography, University of Georgia, GG Building, 210 Field St., Room 204, Athens, GA 30602, jpsmoot@usgs.gov

CLYDE, William C., Dept. of Earth Sciences, University of New Hampshire, Durham, NH 03824, MAXBAUER, Daniel P., Earth Sciences, University of Minnesota, 310 Pillsbury Ave SE, Minneapolis, MN 55455 and BOWEN, Gabriel J., Department of Geology and Geophysics, University of Utah, Salt Lake City, UT 84112, will.clyde@unh.edu

BEVERLY, Emily J.¹, POTTS, Richard², BEHRENSMEYER, Anna K.³, DEOCAMPO, Daniel M.⁴, STOCKHECKE, Mona⁵, RABIDEAUX, Nathan M.⁴ and DOMMAIN, Rene⁶, (1)Geosciences, Georgia State University, Atlanta, GA 30303, (2)Human Origins Program, Smithsonian Institution, National Museum of Natural History, NHB 112, Washington, DC 20560-0112, (3)Department of Paleobiology, Smithsonian Institution, National Museum of Natural History, NHB MRC 121, P.O. Box 37012, Washington, DC 20013-7012, (4)Geosciences, Georgia State University, 24 Peachtree Center Avenue Northeast, Atlanta, GA 30303, (5)Swiss Federal Institute of Technology (ETH), Zurich, 8200, Switzerland, (6)Human Origins Program, Smithsonian Institution, Washington, DC 20013, ebeverly@gsu.edu

STANISTREET, Ian G., The Stone Age Institute, Bloomington, IN 47407-5097; Earth, Ocean and Ecological Sciences, University of Liverpool, Liverpool, United Kingdom, NJAU, Jackson, K., Dept. of Geological Sciences, Indiana University, Bloomington, IN; The Stone Age Institute, Bloomington, IN 47407-5097, SCHICK, Kathy, Stone Age Institute, Indiana University, PO Box 5097, Bloomington, IN 47407, TOTH, Nick, Stone Age Institute, Indiana University, Bloomington, IN 47407, STOLLHOFEN, Harald, GeoZentrum Nordbayern, Friedrich-Alexander-University (FAU), Erlangen-Nürnberg, 91054 Erlangen, Germany, MCHENRY, Lindsay J., Department of Geosciences, University of Wisconsin- Milwaukee, 3209 N Maryland Ave, Milwaukee, WI 53211 and DEINO, Alan, Berkeley Geochronology Center, Berkeley, CA 94709, istanistreet@btconnect.com

FEIBEL, Craig S., Earth and Planetary Sciences, Rutgers University, 610 Taylor Road, Piscataway, NJ 08854, BECK, Catherine C., Geosciences, Hamilton College, 198 College Hill Rd, Clinton, NY 13323, VAN DER LUBBE, Jeroen H., Institute of Geosciences, University of Kiel, Ludewig-Meyn-Str. 10, Kiel, D-24118, Germany, JOORDENS, Josephine C., Faculty of Archaeology, Leiden University, P.O. Box 9515, Leiden, 2300 RA, Netherlands, SIER, Mark J., Department of Earth Sciences, Utrecht University, Budapestlaan 17, Utrecht, 3584, Netherlands, BEVERLY, Emily J., Geosciences, Georgia State University, Atlanta, GA 30303, CAMPISANO, Christopher J., Institute of Human Origins, School of Human Evolution and Social Change, Arizona State University, Tempe, AZ 85287 and COHEN, Andrew S., Department of Geosciences, University of Arizona, Tucson, AZ 85721, feibel@eps.rutgers.edu

BECK, Catherine C., Geosciences, Hamilton College, 198 College Hill Rd, Clinton, NY 13323, FEIBEL, Craig S., Earth and Planetary Sciences, Rutgers University, 610 Taylor Road, Piscataway, NJ 08854, GRAVINA, Anna Naomi, Department of Geosciences, University of Arizona, Tucson, AZ 85716, VAN DER LUBBE, Jeroen H., Geosciences, VU-University Amsterdam, Amsterdam, Netherlands, JOORDENS, Josephine C., Faculty of Archaeology, Leiden University, P.O. Box 9515, Leiden, 2300 RA, Netherlands, COHEN, Andrew S., Department of Geosciences, University of Arizona, Tucson, AZ 85721 and CAMPISANO, Christopher J., Institute of Human Origins, School of Human Evolution and Social Change, Arizona State University, Tempe, AZ 85287, ccbeck@hamilton.edu

MCNULTY, Emma P.¹, LOWENSTEIN, Tim K.², OWEN, R. Bernhart³, RENAUT, Robin W.⁴, DEOCAMPO, Daniel⁵, COHEN, Andrew S.⁶, MUIRURI, Veronica M.³, LEET, Kennie⁷, RABIDEAUX, Nathan M.⁸, BILLINGSLEY, Anne L.⁶ and MBUTHIA, Anthony⁹, (1)Geological and Environmental sciences, Binghamton University, 4400 Vestal Parkway E., Binghamton, NY 13902, (2)Department of Geological Sciences and Environmental Studies, Binghamton University, Binghamton, NY 13902, (3)Dept. of Geography, Hong Kong Baptist University, Kowloon Tong, Hong Kong, (4)Dept. of Geological Sciences, University of Saskatchewan, 114 Science Place, Saskatoon, SK S7N 5E2, Canada, (5)Geosciences, Georgia State University, PO Box 4105, Atlanta, GA 30302, (6)Department of Geosciences, University of Arizona, Tucson, AZ 85721, (7)State University of New York at Binghamton, Department of Geological Sciences, Binghamton, NY 13902, (8)Geosciences, Georgia State University, 24 Peachtree Center Avenue Northeast, Atlanta, GA 30303, (9)Tata Chemicals Magadi, Magadi, Kenya, emcnult3@binghamton.edu

LEET, Kennie¹, LOWENSTEIN, Tim K.², OWEN, R. Bernhart³, RENAUT, Robin W.⁴, DEOCAMPO, Daniel M.⁵, COHEN, Andrew S.⁶, MCNULTY, Emma P.², MUIRURI, Veronica M.³, RABIDEAUX, Nathan M.⁵, BILLINGSLEY, Anne L.⁶ and MBUTHIA, Anthony⁷, (1)State University of New York at Binghamton, Department of Geological Sciences, Binghamton, NY 13902, (2)Department of Geological Sciences and Environmental Studies, Binghamton University, Binghamton, NY 13902, (3)Dept. of Geography, Hong Kong Baptist University, Kowloon Tong, Hong Kong, (4)Dept. of Geological Sciences, University of Saskatchewan, 114 Science Place, Saskatoon, SK S7N 5E2, Canada, (5)Geosciences, Georgia State University, 24 Peachtree Center Avenue Northeast, Atlanta, GA 30303, (6)Department of Geosciences, University of Arizona, Tucson, AZ 85721, (7)Tata Chemicals Magadi, Magadi, Kenya, kleet1@binghamton.edu

OWEN, R. Bernhart¹, MUIRURI, Veronica M.², LOWENSTEIN, Tim K.³, RENAUT, Robin W.⁴, COHEN, Andrew S.⁵, DEOCAMPO, Daniel M.⁶, MCNULTY, Emma P.³, LEET, Kennie⁷, RABIDEAUX, Nathan M.⁶, BILLINGSLEY, Anne L.⁵ and MBUTHIA, Anthony⁸, (1)Dept. of Geography, Hong Kong Baptist University, Kowloon Tong, Hong Kong, (2)Geography, Hong Kong Baptist University, Kowloon Tong, Hong Kong, Hong Kong, (3)Department of Geological Sciences and Environmental Studies, Binghamton University, Binghamton, NY 13902, (4)Dept. of Geological Sciences, University of Saskatchewan, 114 Science Place, Saskatoon, SK S7N 5E2, Canada, (5)Department of Geosciences, University of Arizona, Tucson, AZ 85721, (6)Geosciences, Georgia State University, 24 Peachtree Center Avenue Northeast, Atlanta, GA 30303, (7)State University of New York at Binghamton, Department of Geological Sciences, Binghamton, NY 13902, (8)Tata Chemicals Magadi, Magadi, Kenya, owen@hkbu.edu.hk