2009 Portland GSA Annual Meeting (18-21 October 2009)

ANCHUKAITIS, Kevin J., Lamont Doherty Earth Observatory, Columbia University, 61 Route 9W, Palisades, NY 10964 and EVANS, Michael N., Department of Geology and ESSIC, University of Maryland, CSS 3239, College Park, MD 20742, kja@ldeo.columbia.edu, kja@ldeo.columbia.edu

ENGLISH, Nathan B., Earth and Environmental Sciences, Los Alamos National Laboratory, EES-14, MSJ495, Los Alamos, NM 87545, BRONSON, Dustin, College of Agriculture, University of Wyoming, 1000 E. University Ave, Laramie, WY 82071, DETTMAN, David L., Department of Geosciences, University of Arizona, Tucson, AZ 85721, TREES, Mark, Department of Geosciences, University of Arizona, 208 Gould-Simpson, Building #77, Tucson, AZ 85721 and WILLIAMS, David G., Department of Renewable Resources, University of Wyoming, 1000 E. University Ave, Laramie, WY 82071, nenglish@lanl.gov, nenglish@lanl.gov

OSTER, Jessica, Geology, University of California, Davis, One Shields Avenue, Davis, CA 95616, MONTANEZ, Isabel, Department Geology, University of California, Davis, CA 95616, SHARP, Warren D., Berkeley Geochronology Center, Berkeley, CA 94709 and GUILDERSON, Thomas P., Center for Accelerator Mass Spectrometry, Lawrence Livermore National Laboratory, P.O. Box 808, L397, LIvermore, CA 94550, joster@ucdavis.edu, joster@ucdavis.edu

HAGEMANN, Mark W., Geology, Carleton College, 300 North College Street, Northfield, MN 55057, BANNER, Jay L., Department of Geological Sciences, the University of Texas at Austin, Austin, TX 78712 and MUSGROVE, MaryLynn, U.S. Geological Survey, 1505 Ferguson Lane, Austin, TX 78754, hagemanm@carleton.edu, hagemanm@carleton.edu

ELRICK, Maya, Earth and Planetary Sciences, University of New Mexico, MSC03 2040, 1 University of New Mexico, Albuquerque, NM 87131, RIEBOLDT, Sarah, Department of Zoology, Field Museum of Natural History, Chicago, IL 60605, SALTZMAN, Matt, Department of Geological Sciences, The Ohio State University, Columbus, OH 43210, MCKAY, Robert, Iowa Geological & Water Survey, Iowa Department of Natural Resources, 109 Trowbridge Hall, Iowa City, IA 52242 and RUNKEL, Anthony C., Minnesota Geological Survey, 2642 University Ave W, Minneapolis, MN 55114, dolomite@unm.edu, dolomite@unm.edu

PAYNE, Joshua H., Geology and Geophysics, Shell Exploration and Production Co, 150-A North Dairy Ashford, Houston, TX 77079, WHALEN, Michael T., Department of Geosciences, University of Alaska Fairbanks, P.O. Box 755780, Fairbanks, AK 99775 and DAY II, James E., Geography-Geology, Illinois State University, Campus Box 4400, Normal, IL 61790-4400, mtwhalen@alaska.edu, mtwhalen@alaska.edu

ZOBAA, Mohamed¹, OBOH-IKUENOBE, Francisca E.¹, IBRAHIM, Mohamed I.², ARNESON, Kristen¹, BROWNE, Cassandra¹ and KHOLEIF, Suzan³, (1)Geological Sciences and Engineering, Missouri University of Science and Technology, 129 McNutt Hall, Rolla, MO 65409, (2)Environmental Sciences, Alexandria University, Moharam Bek, Alexandria, 21511, Egypt, (3)National Institute of Oceanography and Fisheries, Qayed Bay, Alexandria, Egypt, ikuenobe@mst.edu, ikuenobe@mst.edu

COTTON, Jennifer M., Department of Earth and Environmental Sciences, University of Michigan, 1100 N. University Ave, Ann Arbor, MI 48109 and SHELDON, Nathan D., Department of Geological Sciences, University of Michigan, 1100 N. University Ave, Ann Arbor, MI 48109, jcot@umich.edu, jcot@umich.edu

DWORKIN, Steve I., Department of Geology, Baylor University, One Bear Place #97354, Waco, TX 76798-7354, NORDT, Lee C., Department of Geology, Baylor University, One Bear Place #97354, Waco, TX 76798 and ATCHLEY, Stacy, Department of Geology, Baylor University, PO #97354, Waco, TX 76798, Steve_Dworkin@Baylor.edu, Steve_Dworkin@Baylor.edu

BABALOLA, Lamidi Olabode¹, PATTERSON, R. Timothy² and PROKOPH, Andreas², (1)Earth Sciences Department, Carleton University, 1125 Colonel By Drive, Ottawa, ON K1S 5B6, Canada, (2)Earth Sciences Department, Carleton University, 1125 Colonel By Drive, Ottawa, ON KIS 5B6, Canada, lameed@yahoo.com, lameed@yahoo.com

OPDYKE, Bradley N., NASH, Merinda and TYNAN, Sarah, Research School of Earth Sciences, The Australian National University, Canberra, ACT, 0200, Bradley.Opdyke@anu.edu.au, Bradley.Opdyke@anu.edu.au

MAO, Jingdong, Chemistry and Biochemistry, Old Dominion University, Norfolk, VA 23529 and SCHMIDT-ROHR, Klaus, Department of Chemistry, Iowa State University, Ames, IA 50011, jmao@odu.edu, jmao@odu.edu