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

MARIOTTI, Giulio, Dept. of Earth, Atmospheric and Planetary Sciences, MIT, Cambridge, MA 02139, PERRON, J. Taylor, Department of Earth, Atmospheric and Planetary Sciences, Massachusets Institute of Technology, 77 Massachusetts Ave, Cambridge, MA 02139 and BOSAK, Tanja, Dept. of Earth, Atmospheric, and Planetary Sciences, Massachusetts Institute of Technology, Cambridge, MA 02139

GONG, Jian, ZENG, Zhirui and TICE, Michael M., Dept. of Geology & Geophysics, Texas A&M University, College Station, TX 77843

FRANTZ, Carie M., Applied Physics Laboratory, University of Washington, Seattle, WA 98105, PETRYSHYN, Victoria A., Department of Earth, Planetary, and Space Sciences, University of California, Los Angeles, Los Angeles, CA 90095 and CORSETTI, Frank A., Department of Earth Sciences, University of Southern California, Los Angeles, CA 90089

SHAPIRO, Russell S., Geological and Environmental Sciences, CSU Chico, Chico, CA 95929 and GREENE, Todd J., Geological and Environmental Sciences, California State University-Chico, 400 W. 1st Street, Chico, CA 95929-0205

IBARRA, Yadira, Department of Earth and Environmental System Science, Stanford University, Stanford, CA 94305 and CORSETTI, Frank A., Department of Earth Sciences, University of Southern California, Los Angeles, CA 90089

OJAKANGAS, Gregory, Department of Physics, Drury University, 900 N Benton Ave, Springfield, MO 65802

QUEZERGUE, Kimbra, Department of Geology & Geophysics, Texas A&M University, 3115 TAMUS, College Station, TX 77843, TICE, Michael M., Department of Geology & Geophysics, Texas A&M University, MS 3115, College Station, TX 77843 and POPE, Michael C., Department of Geology and Geophysics, Texas A&M University, College Station, TX 77843

MARENCO, Pedro J.¹, PHILLIPS, Danyelle E.² and MARENCO, Katherine N.¹, (1)Department of Geology, Bryn Mawr College, 101 N. Merion Avenue, Bryn Mawr, PA 19010, (2)Geology, Bryn Mawr College, 101 N. Merion Ave, Bryn Mawr, PA 19010

SUMNER, Dawn Y.¹, HAWES, Ian², JUNGBLUT, Anne³, ANDERSEN, Dale T.⁴, MACKEY, Tyler J.¹, KRUSOR, Megan¹ and WALL, Kate⁵, (1)Earth and Planetary Sciences, University of California, Davis, Davis, CA 95616, (2)Gateway Antarctica, University of Canterbury, Christchurch, 8140, New Zealand, (3)Natural History Museum, London, London, SW7 5BD, England, (4)Carl Sagan Center for the Study of Life in the Universe, 189 Bernardo Ave, Suite 100, Mountain View, CA 94043, (5)Microbiology Graduate Group, UC Davis, Davis, CA 95616

PETRYSHYN, Victoria A., Department of Earth, Planetary, and Space Sciences, University of California, Los Angeles, Los Angeles, CA 90095, LIM, Darlene S.S., Space Science and Astrobiology, NASA Ames Research Center, MS 245-3, Moffett Field, CA 94035-1000, LAVAL, Bernard, Civil Engineering, University of British Columbia, Vancouver, BC V6T 1Z4, Canada, BRADY, Allyson L., School of Geography and Earth Sciences, McMaster University, 1280 Main Street West, Hamilon, ON L8S4K1, SLATER, Gregory F., School of Geography and Earth Sciences, McMaster University, Hamilton, ON L8S 4K1, Canada and TRIPATI, Aradhna, Department of Earth, Planetary, and Space Sciences, University of California, Los Angeles, 595 Charles Young Drive East, Box 951567, Los Angeles, CA CA 90095-156

WITTKOP, Chad and TORGESON, Joshua M., Chemistry and Geology, Minnesota State University, Mankato, MN 56001

WARDEN, John G.¹, BREECKER, Daniel O.² and BENNETT, Philip C.¹, (1)Department of Geological Sciences, The University of Texas at Austin, Austin, TX 78712, (2)Department of Geological Sciences, the University of Texas at Austin, Austin, TX 78712

MELIM, Leslie A., Geology Department, Western Illinois Univ, 1 University Circle, Macomb, IL 61455, NORTHUP, Diana E., Biology Department, University of New Mexico, MSC03-2020, Albuquerque, NM 87131, SPILDE, Michael N., Institute of Meteoritics, University of New Mexico, MSC03-2050, Albuquerque, NM 87131 and MISCHEL, Simon, Institute for Geoscience, Johannes Gutenberg University of Mainz, J.-J.-Becherweg 21, Mainz, 55128, Germany

BENGTSON, Stefan, Department of Palaeobiology, Swedish Museum of Natural History, Box 50007, Stockholm, SE-104 05, Sweden

VISSCHER, Pieter¹, FARIAS, Maria E.², CONTRERAS, Manuel A.³, NOVOA-CORTEZ, Fernando³, RASUK, Cecillia², PATTERSON, Molly M.⁴, PHILIPPOT, Pascal⁵, SFORNA, Marie C.⁶, GALLAGHER, Kimberley L.⁷ and DUPRAZ, Christophe⁸, (1)Dept. Marine Sciences, Univ of Connecticut, 1080 Shennecossett Road, Groton, CT 06340, (2)LIMLA PROIMI CONICET, Tucuman, Argentina, (3)Centro de Ecología Aplicada, Santiago, Chile, (4)Center for Integrative Geosciences, University of Connecticut, 354 Mansfield Rd U-2045, Storrs, CT 06269, (5)GAP, IPGP, Case 89, 4 place Jussieu, Paris, 75252, France, (6)IPGP, Case 89, 4 place Jussieu, Paris, 75252, France, (7)Earth System Science, University of California Irvine, Irvine, CA 92697, (8)Department of Geological Sciences, Stockholm University, Svante Arrhenius väg 8, Stockholm, 06269, Sweden

KIMMIG, Julien, Department of Geological Sciences, University of Saskatchewan, 114 Science Place, Saskatoon, SK S7N5E2, Canada and PRATT, Brian R., Dept. of Geological Sciences, University of Saskatchewan, 114 Science Place, Saskatoon, SK S7N 5E2, Canada