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

PIERCE, Jennifer L., Geosciences, Boise State University, 1910 University Dr, Boise, ID 83725, MEYER, Grant A., Earth and Planetary Sciences, University of New Mexico, Albuquerque, NM 87131 and RITTENOUR, Tammy M., Department of Geology, Utah State University, 4505 Old Main Hill, Logan, UT 84322, jenpierce@boisestate.edu, jenpierce@boisestate.edu

QUIGLEY, Mark¹, HORTON, Travis², HELLSTROM, John³ and CUPPER, Matthew³, (1)School of Earth Sciences, University of Melbourne, Melbourne, 3010, Australia, (2)Geological Sciences, University of Canterbury, Christchurch, 8140, New Zealand, (3)School of Earth Sciences, The Univ of Melbourne, Melbourne, VIC 3010, Australia, mark.quigley@canterbury.ac.nz, mark.quigley@canterbury.ac.nz

KENWORTHY, Megan K., Geosciences, Boise State University, Boise, ID 83725, PIERCE, Jennifer L., Department of Geosciences, Boise State University, 1910 University Drive, Boise, ID 83725-1535, RITTENOUR, Tammy, Department of Geology and Luminescence Laboratory, Utah State University, Logan, UT 84322 and PIERCE, Kenneth L., Northern Rocky Mountain Science Center, U.S. Geological Survey, U.S. Geological Survey, Bozeman, MT, Bozeman, MT 59717-3492, megankenworthy@u.boisestate.edu, megankenworthy@u.boisestate.edu

BENITO, Gerardo¹, RICO, Mayte², SÁNCHEZ-MOYA, Yolanda³, SOPEÑA, Alfonso³, THORNDYCRAFT, Varyl R.⁴, MACHADO, Maria¹ and BARRIENDOS, Mariano⁵, (1)Environmental Research Centre, CSIC, Serrano 115 bis, Madrid, 28006, Spain, (2)Instituto Pirenaico de Ecología, CSIC, Avda. Montañana 1005 bis, Zaragoza, 50080, Spain, (3)Instituto de Geología Económica, CSIC-Universidad Complutense, Madrid, 28040, Spain, (4)Dpt. of Geography, Royal Holloway, University of London, Egham, Surrey, TW20 0EX, England, (5)Dpt. Modern History, University of Barcelona, B. Reixac, Barcelona, 08028, Spain, benito@ccma.csic.es, benito@ccma.csic.es

DURKEE, Matthew I., Dept. of Geological Sciences, Central Washington University, Ellensburg, WA 98942 and ELY, Lisa L., Dept. of Geological Sciences, Central Washington University, 400 E. University Way, Ellensburg, WA 98926, durkeem@cwu.edu, durkeem@cwu.edu

GELLIS, Allen C.¹, PAVICH, M.J.², ELLWEIN, A.L.³, WIECZOREK, M.E.¹ and VIGER, R.J.⁴, (1)US Geological Survey, 5522 Research Park Drive, Baltimore, MD 21228, (2)U.S. Geological Survey, 12201 Sunrise Valley Drive, Reston, VA 20192, (3)Earth and Planetary Sciences, Univ of New Mexico, Albuquerque, NM 87131, (4)U.S. Geological Survey, Denver Federal Center, Lakewood, CO 80225, agellis@usgs.gov, agellis@usgs.gov

HARVEY, Jonathan E., PEDERSON, Joel and RITTENOUR, Tammy, Geology, Utah State University, 4505 Old Main Hill, Logan, UT 84322, jon.harvey@aggiemail.usu.edu, jon.harvey@aggiemail.usu.edu

GRAN, Karen B.¹, JOHNSON, Andrea L.¹, BELMONT, Patrick², DAY, Stephanie³, JENNINGS, Carrie E.⁴ and WILCOCK, Peter⁵, (1)Geological Sciences, University of Minnesota Duluth, 1114 Kirby Dr, Duluth, MN 55812, (2)National Center for Earth-surface Dynamics, University of Minnesota, 2 Third Avenue SE, Minneapolis, MN 55414, (3)National Center for Earth-surface Dynamics, University of Minnesota, 2 - 3rd Ave SE, Minneapolis, MN 55414, (4)Minnesota Geological Survey, University of Minnesota, 2642 University Avenue West, St. Paul, MN 55114, (5)National Center for Earth-surface Dynamics, Johns Hopkins University, 3400 North Charles Street, Baltimore, MD 21218, kgran@d.umn.edu, kgran@d.umn.edu

HYNEK, Scott A., Geosciences, Penn State University, 302 Hosler Building, University Park, PA 16802, MARCHETTI, David W., Geology Program, Western State Colorado University, 600 N. Adams St, Gunnison, CO 81231, FERNANDEZ, Diego P., Geology and Geophysics, University of Utah, Frederick Albert Sutton Building, 115 S. 1460 E. Rm 383, Salt Lake City, UT 84112 and CERLING, Thure E., Department of Geology and Geophysics, University of Utah, Salt Lake City, UT 84112, sah376@psu.edu, sah376@psu.edu

WALKER, Richard T., Earth Sciences, University of Oxford, Parks Road, Oxford, OX1 3PR, United Kingdom, FATTAHI, Morteza, Institute of Geophysics, University of Tehran, Kargar Shomali, Tehran, aaa aaaa, Iran and TALEBIAN, Morteza, Geological Survey of Iran, Meraj Avenue, Azadi Square, Tehran, aaa aaaa, Iran, richw@earth.ox.ac.uk, richw@earth.ox.ac.uk

REYNHOUT, Scott, Geology, University of Cincinnati, University of Cincinnati, 500 Geology/Physics, Cincinnati, OH 45220, OWEN, Lewis A., Geology, University of Cincinnati, 500 Geology/Physics, Cincinnati, OH 45221, FRANKEL, Kurt L., School of Earth and Atmospheric Sciences, Georgia Institute of Technology, 311 Ferst Drive, Atlanta, GA 30332, FINKEL, Robert, Earth and Planetary Science Department, University of California, Berkeley, Berkeley, CA 94720, DOLAN, James F., Dept Earth Sciences, University of Southern California, 3651 Trousdale Parkway, Los Angeles, CA 90089-0740 and KNOTT, Jeffrey R., Department of Geological Sciences, California State Univ, Fullerton, Box 6850, Fullerton, CA 92834, scott.a.reynhout@gmail.com, scott.a.reynhout@gmail.com

LIFTON, Nathaniel A.¹, CAFFEE, Marc W.², FINKEL, Robert³, SCHAEFER, Joerg M.⁴, STONE, John⁵, GOEHRING, Brent M.⁴, PHILLIPS, Fred⁶, OVIATT, Charles G.⁷ and ROOD, Dylan H.⁸, (1)Depts. of Earth, Atmospheric, and Planetary Sciences, and Physics and Astronomy, Purdue University, 550 Stadium Mall Drive, West Lafayette, IN 47907, (2)Department of Physics, Purdue University, West Lafayette, IN 47906, (3)Earth and Planetary Science Department, University of California, Berkeley, Berkeley, CA 94720, (4)Department of Earth and Environmental Sciences and Lamont-Doherty Earth Observatory, Columbia University, Palisades, NY 10964, (5)Earth and Space Sciences & Quaternary Research Center, University of Washington, Seattle, WA 98195, (6)Earth and Environmental Science Department, New Mexico Institute of Mining and Technology, Socorro, NM 87801, (7)Department of Geology, Kansas State University, Manhattan, KS 66506, (8)Center for Accelerator Mass Spectrometry, Lawrence Livermore National Laboratory, Livermore, CA 94550-9234, nlifton@purdue.edu, nlifton@purdue.edu

HIDY, Alan J., Department of Earth Sciences, Dalhousie University, Halifax, NS B3H 3J5, Canada and GOSSE, John C., Earth Sciences, Dalhousie University, 3006 LSC Edzell Castle Circle, Halifax, NS B3H3J5, Canada, alanhidy@dal.ca, alanhidy@dal.ca

FLETCHER, Kathryn E.K., Earth and Planetary Science, University of California, Berkeley, 304 McCone Hall, Berkeley, CA 94720, LE, Kim, Geology, University of California, Davis, One Shields Avenue, Davis, CA 95616, ROCKWELL, Thomas K., Geological Sciences, San Diego State University, 5500 Campanile Dr, San Diego, CA 92182, BALCO, Greg, Berkeley Geochronology Center, 2455 Ridge Road, Berkeley, CA 94709, OSKIN, Michael E., Department of Geology, University of California, Davis, One Shields Avenue, Davis, CA 95616 and SHARP, Warren D., Berkeley Geochronology Center, Berkeley, CA 94709, fletcher@eps.berkeley.edu, fletcher@eps.berkeley.edu