2007 GSA Denver Annual Meeting (28–31 October 2007)

KIEHL, Jeffrey, Climate Change Research Section, National Center for Atmospheric Research, 1850 Table Mesa Drive, Boulder, CO 80305 and SHIELDS, Christine, National Center for Atmospheric Research, 1850 Table Mesa Drive, Boulder, CO 80307, jtkon@ucar.edu, jtkon@ucar.edu

POULSEN, Christopher J., Dept. of Geological Sciences, University of Michigan, Ann Arbor, MI 48109, HORTON, D.E., Dept. of Geological Sciences, University of Michigan, 1100 N. University Avenue, Ann Arbor, MI 48109 and POLLARD, D., Earth and Environment Science Institute, Pennsylvania State University, University Park, PA 16802, poulsen@umich.edu, poulsen@umich.edu

RYGEL, Michael C., Department of Geology, State University of New York, College at Potsdam, 44 Pierrepont Ave, Potsdam, NY 13676, FIELDING, Christopher R., Department of Earth & Atmospheric Sciences, University of Nebraska - Lincoln, 214 Bessey Hall, P.O. Box 880340, Lincoln, NE 68588-0340, FRANK, Tracy D., Department of Geosciences, University of Nebraska-Lincoln, 214 Bessey Hall, Lincoln, NE 68588 and BIRGENHEIER, Lauren P., Energy and Geoscience Institute, University of Utah, 423 Wakara Way, Suite 300, Salt Lake City, UT 84108, rygelmc@potsdam.edu, rygelmc@potsdam.edu

DAVIES, S.J.¹, MACQUAKER, J.S.², BREWER, T.S.¹, LENG, M.J.³ and HAWKINS, K.¹, (1)Department of Geology, University of Leicester, University Road, Leicester, LE1 7RH, United Kingdom, (2)School of Earth, Environmental and Atmospheric Sciences, University of Manchester, Manchester, M13 9PL, United Kingdom, (3)NERC Isotope Geoscience Laboratory, British Geological Survey, Keyworth, NG12 5GG, United Kingdom, sjd27@le.ac.uk, sjd27@le.ac.uk

CLAPHAM, Matthew E. and JAMES, Noel P., Department of Geological Science and Geological Engineering, Queen's University, Kingston, ON K7L 3N6, Canada, clapham@geol.queensu.ca, clapham@geol.queensu.ca

BIRGENHEIER, Lauren P., Energy and Geoscience Institute, University of Utah, 423 Wakara Way, Suite 300, Salt Lake City, UT 84108, FIELDING, Christopher R., Department of Earth & Atmospheric Sciences, University of Nebraska - Lincoln, 214 Bessey Hall, P.O. Box 880340, Lincoln, NE 68588-0340, RYGEL, Michael C., Department of Geology, State University of New York at Potsdam, 44 Pierrepont Ave, Potsdam, NY 13676 and FRANK, Tracy D., Department of Geosciences, University of Nebraska-Lincoln, 214 Bessey Hall, Lincoln, NE 68588, LBirgenheier@egi.utah.edu, LBirgenheier@egi.utah.edu

GRADER, G.W., Geological Sciences, University of Idaho, Moscow, ID 83844-3022, ISAACSON, P.E., Moscow, ID, DÍAZ-MARTÍNEZ, E., Instituto Geológico y Minero de España (IGME), Ríos Rosas 23, Madrid, 28003, Spain and POPE, M.C., Department of Geology, Washington State University, Pullman, WA 99164-2812, N/A, N/A

CECIL, C. Blaine, US Geol Survey, Reston, VA 20192, bcecil@usgs.gov, bcecil@usgs.gov

SOREGHAN, G.S.¹, SOREGHAN, Michael J.¹ and HAMILTON, Michael², (1)Geology & Geophysics, University of Oklahoma, 100 East Boyd Street, Norman, OK 73019, (2)Jack Satterly Geochronology Laboratory, Department of Geology, University of Toronto, Toronto, ON M5S 3B1, Canada, lsoreg@ou.edu, lsoreg@ou.edu

BISHOP, James W., Geology Department, Univ of California at Davis, Davis, CA 95616, MONTANEZ, Isabel, Department of Earth and Planetary Sciences, University of California, Davis, One Shields Dr., Davis, CA 95616 and POULSEN, Christopher J., Department of Geological Sciences, University of Michigan, 2434 C.C. Little Building, 1100 N. University Avenue, Ann Arbor, MI 48109-1005, bishop@geology.ucdavis.edu, bishop@geology.ucdavis.edu

BRAND, Uwe, Earth Sciences, Brock University, 500 Glenridge Ave, Brock University, St. Catharines, ON L2S 3A1, Canada, JIANG, Ganqing, Department of Geoscience, University of Nevada, 4505 Maryland Parkway, Las Vegas, NV 89154, AZMY, Karem, Earth Sciences, Memorial University, St. Johns, NF A1B 3X5, Canada and BUHL, Dieter, Faculty of Geosciences - Institute for Geology, Mineralogy and Geophysic, Ruhr University Bochum, Universitaetsstrasse 150, Bochum, 44780, Germany, jiangg@unlv.nevada.edu, jiangg@unlv.nevada.edu

ELRICK, Maya¹, SCOTT, LeaAnne², LARA, Tammy³ and ATUDOREI, Viorel², (1)Earth and Planetary Sciences, University of New Mexico, Albuquerque, NM 87131, (2)Earth and Planetary Sciences, University of New Mexico, MSC03 2040, 1 University of New Mexico, Albuquerque, NM 87131, (3)Cibola High School, Rio Rancho, NM 87120, dolomite@unm.edu, dolomite@unm.edu

GROSSMAN, Ethan L., Department of Geology & Geophysics, Texas A&M Univ, College Station, TX 77843-3115, YANCEY, Thomas E., Dept. Geology & Geophysics, Texas A&M University, College Station, TX 77843, JONES, Thomas E., Dept. of Geology & Geophysics, Texas A&M Univ, College Station, TX 77843, CHUVASHOV, Boris I., Laboratory of Stratigraphy and Paleontology, Institute of Geology and Geoshemistry, Uralian Scientific Ctr of Russian Academy, Pochtovy Per. 7, Ekaterinburg, 620219, Russia and MAZZULLO, S.J., Department of Geology, Wichita State Univ, Wichita, KS 67260, grossman@geo.tamu.edu, grossman@geo.tamu.edu