GSA Annual Meeting in Seattle, Washington, USA - 2017

CONDON, Daniel, NERC Isotope Geoscience Laboratory, British Geological Survey, Keyworth, Nottingham, NG12 5GG, United Kingdom, KUIPER, Klaudia, Faculty of Earth and Life Sciences, Vrije Universiteit, 1085 De Boelelaan, Amsterdam, 1081 HV, Netherlands, MORGAN, Leah E., U.S. Geological Survey, Central Mineral and Environmental Resources Science Center, Box 25046 Denver Federal Center, MS-973, Denver, CO 80225, RENNE, Paul R., Berkeley Geochronology Center, 2455 Ridge Rd., Berkeley, CA 94709, SCHMITZ, Mark D., Department of Geosciences, Boise State University, 1910 University Drive, Boise, ID 83725-1535, SCHOENE, Blair, Department of Geosciences, Princeton University, Guyot Hall, Princeton, NJ 08544 and SINGER, Bradley S., Department of Geoscience, University of Wisconsin, 1215 W. Dayton St., Madison, WI 53706, dcondon@bgs.ac.uk

GROVE, Marty, Department of Geological Sciences, Stanford University, Stanford, CA 94305, HOURIGAN, Jeremy, Earth and Planetary Sciences, University California Santa Cruz, Santa Cruz, CA 94305 and LOVERA, Oscar M., Dept. of Earth, Planetary and Space Sciences, Univ. of California, Los Angeles, CA 90095-1567, mjgrove@stanford.edu

GARDINER, Stephanie¹, RIVERA, Tiffany A.¹, JICHA, Brian R.² and SCHMITZ, Mark D.³, (1)Geology, Westminster College, 1840 South 1300 East, Salt Lake City, UT 84105, (2)Department of Geoscience, University of Wisconsin-Madison, 1215 W. Dayton St, Madison, WI 53706, (3)Department of Geosciences, Boise State University, 1910 University Drive, Boise, ID 83725-1535, sg0820@westminstercollege.edu

SINGER, Brad S., Department of Geoscience, University of Wisconsin-Madison, 1215 W. Dayton St, Madison, WI 53706, JICHA, Brian R., Department of Geoscience, University of Wisconsin, 1215 W. Dayton St., Madison, WI 53706, MOCHIZUKI, Nobutatsu, Priority Organization for Innovation and Excellence, Kumamoto University, Kurokami 2-39-1, Kumamoto, 860-8555, Japan and COE, Robert S., Earth and planetary science, University of California - Santa Cruz, 1156 High Street, Santa Cruz, CA 95064, bsinger@geology.wisc.edu

HOLLAND, Mark E., Department of Earth and Planetary Sciences, University of New Mexico, 221 Yale Blvd NE, Albuquerque, NM 87131, HEIZLER, Matthew T., New Mexico Bureau of Geology, NM Tech, Socorro, NM 87801, AMATO, Jeffrey M., Department of Geological Sciences, New Mexico State University, P.O. Box 30001, Las Cruces, NM 88003 and KARLSTROM, Karl E., Department of Earth and Planetary Sciences, University of New Mexico, Albuquerque, NM 87131, medwardholland89@gmail.com

FLOWERS, Rebecca M.¹, BAUGHMAN, Jaclyn S.¹, JOHNSON, Joshua E.² and METCALF, James R.¹, (1)Department of Geological Sciences, University of Colorado Boulder, UCB 399, Boulder, CO 80309, (2)Idaho Conservation League, Ketchum, ID 83340, rebecca.flowers@colorado.edu

NIESPOLO, Elizabeth¹, SHARP, Warren², FYLSTRA, Nicholas², TRYON, Christian A.³, TRIPATHY-LANG, Alka⁴, WEISZ, David G.⁵, BLEGEN, Nick⁶, FAITH, J. Tyler⁷, HENSHILWOOD, Christopher S.⁸, LEWIS, Jason⁹, MACKAY, Alex¹⁰, STEELE, Teresa¹¹, VAN NIEKERK, Karen¹² and WOLDEGABRIEL, Giday¹³, (1)Berkeley Geochronology Center, 2455 Ridge Rd., Berkeley, CA 94709; Department of Earth & Planetary Science, University of California, Berkeley, 307 McCone Hall, Berkeley, CA 94720-4767, (2)Berkeley Geochronology Center, 2455 Ridge Rd., Berkeley, CA 94709, (3)Department of Anthropology, Harvard University, Cambridge, MA 02138, (4)Department of Earth and Planetary Science, University of California, Berkeley, Berkeley, CA 94720, (5)Nuclear and Chemical Sciences Division, Lawrence Livermore National Laboratory, 7000 East Ave., Livermore, CA 94550, (6)Department of Anthropology, Harvard University, 11 Divinity Ave, Cambridge, MA 02138, (7)Department of Anthropology, University of Utah, Salt Lake City, UT 84112, (8)Evolutionary Studies Institute, University of the Witwatersrand, Johannesburg, South Africa; Department of Archaeology, University of Bergen, Bergen, 5020, Norway, (9)Turkana Basin Institute, Stony Brook University, Stony Brook, NY 11794, (10)Centre for Archaeological Science, University of Wollongong, Wollongong, 2522, Australia, (11)Department of Anthropology, University of California, Davis, Davis, CA 95616, (12)Department of Archaeology, University of Bergen, Bergen, 5020, Norway, (13)Earth and Environmental Sciences Division, Los Alamos National Laboratory, P.O. Box 1663, Los Alamos, NM 87544, eniespolo@berkeley.edu

SMYE, Andrew J., Department of Geosciences, Penn State, Deike Building, State College, PA 16802, smye@psu.edu

EDDY, Michael P., Department of Geosciences, Princeton University, Princeton, NJ 08544 and IBANEZ-MEJIA, Mauricio, Department of Earth and Environmental Sciences, University of Rochester, Rochester, NY 14627, meddy@princeton.edu

GRIFFIS, Neil¹, MUNDIL, Roland², KELLER, C. Brenhin², MONTAÑEZ, Isabel P.³, ISBELL, John L.⁴, FEDORCHUK, Nicholas D.⁵, LINOL, Bastien⁶, IANNUZZI, Roberto⁷, VESELY, Fernando⁸ and YIN, Qing-zhu¹, (1)Department of Earth and Planetary Sciences, University of California, Davis, One Shields Dr., Davis, CA 95616, (2)Berkeley Geochronology Center, 2455 Ridge Rd, Berkeley, CA 94709, (3)Department of Earth and Planetary Sciences, University of California, Davis, Davis, CA 95616, (4)Geosciences, University of Wisconsin-Milwaukee, 3209 North Maryland Avenue, Milwaukee, WI 53211, (5)Department of Geosciences, University of Wisconsin-Milwaukee, Milwaukee, WI 53201, (6)AEON-ESSRI, Nelson Mandela University, South Campus, Summerstrand, Port Elizabeth, 6001, South Africa, (7)Departamento de Paleontologia e Estratigrafia, Universidade Federal do Rio Grande do Sul, Av. Bento Gonçalves, 9500, Porto Alegre, RS, 91.509-900, Brazil, (8)Universidade Federal do Paraná, Curitiba, Brazil, npgriffis@ucdavis.edu

LI, Xiang, ZHAO, Kui-Dong and JIANG, Shao-Yong, State Key Laboratory of Geological Processes and Mineral Resources, Faculty of Earth Resources and Collaborative Innovation Center for Exploration of Strategic Mineral Resources, China University of Geosciences, Wuhan, 430074, China, lixiang9007@163.com

RASMUSSEN, Cornelia, Geology & Geophysics, University of Utah, 115 S 1460 E, Salt Lake City, UT 84112, MUNDIL, Roland, Berkeley Geochronology Center, 2455 Ridge Rd, Berkeley, CA 94709, IRMIS, Randall B., Natural History Museum of Utah and Department of Geology & Geophysics, University of Utah, 301 Wakara Way, Salt Lake City, UT 84108-1214, KELLER, C. Brenhin, Department of Geosciences, Princeton University, 208 Guyot Hall, Washington Road, Princeton, NJ 08544-1003, GIESLER, Dominique, Department of Geosciences, University of Arizona, Tucson, AZ 85721 and GEHRELS, George E., Department of Geosciences, Univ of Arizona, Tucson, AZ 85721, irmis@umnh.utah.edu

BONAMICI, Chloe E., Earth and Environmental Science, New Mexico Tech, 801 Leroy Place, Socorro, NM 87801, Chloe.Bonamici@nmt.edu

DAVIES, Joshua H.F.L.¹, SHELDRAKE, Thomas¹, REIMINK, Jesse², MOECK, Christian³ and FINLAY, Alex⁴, (1)Section of Earth and Environmental Science, Université de Genève, Genève, 1205, Switzerland, (2)Department of Terrestrial Magnetism, Carnegie Institution of Washington, 5241 Broad Branch Road, NW, Washington DC, DC 20015, (3)Eawag, Überlandstrasse 133, Dübendorf, 8600, Switzerland, (4)4Chemostrat Ltd., 1 Ravenscroft Court, Welshpool, SY21 8SL, United Kingdom, Joshua.Davies@unige.ch