2014 GSA Annual Meeting in Vancouver, British Columbia (19–22 October 2014)

WEIS, Dominique, Earth, Ocean and Atmospheric Sciences, University of British Columbia, Pacific Centre for Isotopic and Geochemical Research, 2020-2207 Main Mall, Vancouver, BC V6T 1Z4, Canada

BASU, Asish R., Department of Earth and Environmental Science, University of Texas at Arlington, 500 Yates St, 107 Geoscience Building, Arlington, TX 76019, FAGGART Jr, Billy E., US Environment Protection Agency, Headquarters, 1200 Pennsylvania Avenue, N.W, William Jefferson Clinton Building, Washington D.C, 20460 and GHOSH, Nilotpal, Department of Earth and Environmental Sciences, University of Rochester, 227, Hutchison Hall, Rochester, NY 14627

RHODES, J. Michael, Department of Geosciences, University of Massachusetts, 611 North Pleasant Street, 233 Morrill Science Center, Amherst, MA 01003

FREY, Frederick A.¹, HUANG, Shichun² and XU, Guangping¹, (1)Department of Earth, Atmospheric, and Planetary Sciences, Massachusetts Institute of Technology, Cambridge, MA 02139, (2)Department of Geoscience, University of Nevada, Las Vegas, 4505 S. Maryland pkwy, Las Vegas, NV 89154

HUANG, Shichun¹, HUMAYUN, Munir², BAKER, Michael B.³ and STOLPER, E.M.³, (1)Department of Geoscience, University of Nevada, Las Vegas, 4505 S. Maryland pkwy, Las Vegas, NV 89154, (2)National High Magnetic Field Laboratory and Department of Earth, Ocean, & Atmospheric Science, Florida State University, 1800 E. Paul Dirac Dr, Tallahassee, FL 32310, (3)Division of Geological and Planetary Sciences, California Institute of Technology, Pasadena, CA 91125

COUSENS, Brian, Ottawa-Carleton Geoscience Centre, Department of Earth Sciences, Carleton University, 1125 Colonel By Drive, Ottawa, ON K1S 5B6, Canada and CLAGUE, David A., Monterey Bay Aquarium Research Institute, 7700 Sandholdt Road, Moss Landing, CA 95039

GARCIA, Michael O., Department of Geology and Geophysics, University of Hawaiʻi at Mānoa, Honolulu, HI 96822, WEIS, Dominique, Earth, Ocean and Atmospheric Sciences, University of British Columbia, Pacific Centre for Isotopic and Geochemical Research, 2020-2207 Main Mall, Vancouver, BC V6T 1Z4, Canada, SWINNARD, Lisa, Vancouver, BC V6H4G8, Canada, ITO, Garrett, Honolulu, HI 96822, PIETRUSZKA, A.J., U.S. Geological Survey, Denver Federal Center, Denver, CO 80225 and OETTEL, Diana, Freiberg, 96822, Germany

CLAGUE, David A., Monterey Bay Aquarium Research Institute, 7700 Sandholdt Road, Moss Landing, CA 95039, FREY, Frederick A., Department of Earth, Atmospheric, and Planetary Sciences, Massachusetts Institute of Technology, Cambridge, MA 02139, GARCIA, Michael O., Department of Geology and Geophysics, University of Hawaiʻi at Mānoa, Honolulu, HI 96822, HUANG, Shichun, Department of Geoscience, University of Nevada, Las Vegas, 4505 S. Maryland pkwy, Las Vegas, NV 89154, MCWILLIAMS, Michael, GNS Science, 1 Fairway Drive, Avalon 5010, PO Box 30-368, Lower Hutt, 5040, New Zealand and BEESON, Melvin H., U.S. Geological Survey, 345 Middlefield Road, Menlo Park, CA 94025

JACKSON, Matthew G., Department of Earth Science, UC Santa Barbara, Room 2012 (MC9630), 1006 Webb Hall, Santa Barbara, CA 93106 and SHIREY, Steven B., Department of Terrestrial Magnetism, Carnegie Institution of Washington, 5241 Broad Branch Road, NW, Washington, DC 20015

NATLAND, James H., Rsmas/Mgs, University of Miami, 4600 Rickenbacker Causeway, Miami, FL 33149 and ANDERSON, Don L., Seismological Laboratory, California Institute of Technology, Pasadena, CA 91125

FURMAN, Tanya, Department of Geosciences, Pennsylvania State University, University Park, PA 16802, NELSON, Wendy R., Earth and Atmospheric Sciences, University of Houston, Houston, TX 77204 and ELKINS-TANTON, Linda T., School of Earth and Space Exploration, Arizona State University, Tempe, AZ 85287

CALLEGARO, Sara¹, MARZOLI, Andrea¹, BERTRAND, Hervé², BLICHERT-TOFT, J.³, REISBERG, Laurie⁴, JOURDAN, Fred⁵, CAVAZZINI, Giancarlo⁶, ZANETTI, Alberto⁷, PARISIO, Laura¹ and BERT MANOZ, Romain Bouchet², (1)Geoscienze, Università di Padova, via Gradenigo 6, Padova, 35100, Italy, (2)Laboratoire de Géologie de Lyon, Ecole Normale Superieure de Lyon, 46 allée d’Italie, Lyon, 5276, France, (3)Laboratoire de Géologie de Lyon, Ecole Normale Supérieure de Lyon and Université Claude 7 Bernard Lyon 1, CNRS, UMR 5276, 46 Allée d’Italie, Lyon, 69007, France, (4)Crpg, CNRS, Nancy, CNRS, France, (5)Western Australian Argon Isotope Facility, JdL Centre & Department of Applied Geology, Curtin University of Technology, GPO Box U1987, Perth, 6845, Australia, (6)Igg Cnr, Padova, via Gradenigo 6, Padova, 35100, Italy, (7)Igg Cnr, Pavia, via Ferrata 1, Pavia, 27100, Italy

NICOLAYSEN, Kirsten P.¹, FERGUSON, Luke A.², COHEN, Aaron M.¹, LACKEY, Jade Star³, BINDEMAN, Ilya N.⁴ and FERNS, Mark L.⁵, (1)Department of Geology, Whitman College, Walla Walla, WA 99362, (2)Geology Department, Colorado School of Mines, Golden, CO 80401, (3)Geology Department, Pomona College, Claremont, CA 91711, (4)Geological Sciences, 1272 University of Oregon, Eugene, OR 97403, (5)College of Arts and Sciences, Eastern Oregon University, La Grande, OR 97850-2899

RODEN, Michael F.¹, HAMIL, Brooke², SALTERS, Vincent J.³, MCGREGOR, Heath² and SARAFIAN, Adam⁴, (1)Department of Geology, University of Georgia, Athens, GA 30602, (2)Geology, University of Georgia, Athens, GA 30602, (3)Geological Sciences, Florida State University & National High Magnet Field Laboratory, B302 NHMFL FSU, 1800 E. Paul Dirac Dr, Tallahassee, FL 32310-3706, (4)Department of Geology, University of Georgia, 210 Field Street, Athens, GA 30602-2501