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

ERNST, Richard E., Dept. of Earth Sciences, University of Ottawa, Ottawa, ON K1N 6N5, Canada, BLEEKER, Wouter, Geological Survey of Canada, Ottawa, ON K1A 0E8, Canada, HAMILTON, Michael A., Jack Satterly Geochronology Lab, Dept. of Geology, University of Toronto, Toronto, ON M5S 3B1, SÖDERLUND, Ulf, GeoBiosphere Sciences Centre, Dept. of Geology, University of Lund, Lund, SE-223 62, Sweden, CHAMBERLAIN, Kevin R., Dept. of Geology and Geophysics, University of Wyoming, Laramie, WY 82071 and SYLVESTER, P.J., Department of Earth Sciences, Memorial University of Newfoundland, St John's, NF A1B3X5, Canada, Richard.Ernst@ErnstGeosciences.com, Richard.Ernst@ErnstGeosciences.com

SINHA, A. Krishna, Geosciences, Virginia Tech, Blacksburg, VA 24061-0420, HANAN, Barry B., Department of Geological Science, San Diego State University, San Diego, CA 92182-1020 and ROONEY, Tyrone, Geological Sciences, Michigan State University, 208c Natural Sciences, East Lansing, MI 48824, pitlab@vt.edu, pitlab@vt.edu

HANAN, Barry, Department of Geological Sciences, San Diego State University, San Diego, CA 92182-1020, SINHA, A. Krishna, Geosciences, Virginia Tech, Blacksburg, VA 24061-0420 and SHERVAIS, John, Geology Department, Utah State University, Logan, UT 84322-4505, barry.hanan@sdsu.edu, barry.hanan@sdsu.edu

PYLE, Douglas G., Department of Geology & Geophysics, University of Hawaii, POST BLDG. 604A, 1680 East-West Road, Honolulu, HI 96822, DUNCAN, Robert, Coas, Oregon State Univ, Corvallis, OR 97331, WELLS, Ray E., U.S. Geological Survey, 345 Middlefield Road, Menlo Park, CA 94025, GRAHAM, D.W., College of Oceanic & Atmospheric Sciences, Oregon State University, Corvallis, OR 97331, HARRISON, Benjamin, Geological & Planetary Sciences, California Institute of Technology, Pasadena, CA 91125 and HANAN, Barry, Department of Geological Sciences, San Diego State University, San Diego, CA 92182-1020, pyled@hawaii.edu, pyled@hawaii.edu

STARKEL, William A.¹, WOLFF, John², HENRY, Christopher D.³ and CASTOR, Stephen³, (1)School of the Environment, Washington State University, P.O. Box 642812, Pullman, WA 99164-2812, (2)School of Earth & Environmental Sciences, Washington State University, Pullman, WA 99164, (3)Nevada Bureau of Mines and Geology, University of Nevada, Reno, NV 89557, wstarkel@gmail.com, wstarkel@gmail.com

VETTER, Scott K., Geology, Centenary College, Shreveport, LA 71134, SHERVAIS, John W., 4505 Old Main Hill, Utah State University, Department of Geology, Utah State University, Logan, UT 84322 and HANAN, Barry B., Geological Sciences, San Diego State University, San Diego, CA 92182-1020, john.shervais@usu.edu, john.shervais@usu.edu

CONDIE, Kent C., Department of Earth & Environmental Science, New Mexico Tech, Socorro, NM 87801, kcondie@nmt.edu, kcondie@nmt.edu

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 and SCOATES, James S., Earth and Ocean Sciences, University of British Columbia, 6339 Stores Road, Vancouver, BC V6T1Z4, Canada, dweis@eos.ubc.ca, dweis@eos.ubc.ca

GREENE, Andrew R., Department of Geology and Geophysics, University of Hawaii, 1680 East-West Rd, 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 and SCOATES, James S., Earth and Ocean Sciences, University of British Columbia, 6339 Stores Road, Vancouver, BC V6T1Z4, Canada, dweis@eos.ubc.ca, dweis@eos.ubc.ca

SINTON, Christopher, Environmental Studies and Sciences, Ithaca College, 953 Danby Rd, Ithaca, NY 14850, PYLE, Douglas G., Department of Geology & Geophysics, University of Hawaii, POST BLDG. 604A, 1680 East-West Road, Honolulu, HI 96822, HANAN, Barry B., Geological Sciences, San Diego State University, San Diego, CA 92182-1020, DENYER, Percy, Escuela Centroamericana de Geología, Universidad de Costa Rica, Apdo. 214-2060, San Jose, 1, Costa Rica and ALVARADO, Guillermo E., Área de Amenazas y Auscultación Sísmica y Volcánica, Instituto Costarricense de Electricidad, Escuela Centroamericana de Geología, Apdo. 35, San Jose, NA, Costa Rica, csinton@ithaca.edu, csinton@ithaca.edu

MUKASA, Samuel, Geological Sciences, University of Michigan, 2534 C. C. Little Building, 1100 North University Ave, Ann Arbor, MI 48109, ANDRONIKOV, Alex, Department of Geological Sciences, University of Michigan, 2534 C. C. Little Bldg, Ann Arbor, MI 48109, MAYER, Larry, Center for Coastal and Ocean Mapping, University of New Hampshire, 24 Colovos Road, Durham, NH 03824 and BRUMLEY, Kelley, Department of Geology and Geophysics, University of Alaska, Fairbanks, Fairbanks, AK 99775, mukasa@umich.edu, mukasa@umich.edu

NICHOLSON, Suzanne W., U.S. Geological Survey, 954 National Center, 12201 Sunrise Valley Dr, Reston, VA 20192 and SCHULZ, Klaus J., U.S. Geological Survey, 954 National Center, Reston, VA 20192, swnich@usgs.gov, swnich@usgs.gov

HANSON, R.¹, GOSE, W.², RIOUX, M.³, BOWRING, S.³, JONES, D.⁴ and MUKWAKWAMI, J.⁵, (1)Geology Dept, Texas Christian University, Fort Worth, TX 76129, (2)Geosci. Dept. & Inst. for Geophysics, Univ. of Texas, Austin, TX 78759, (3)Dept. of Earth, Atmospheric & Planetary Sciences, Massachusetts Institute of Technology, Cambridge, MA 02139, (4)#2, 1866 Alcide Ave, Vars, ON K0A 3H0, Canada, (5)Dept. of Earth Sciences, Laurentian University, Sudbury, ON P3E 2C6, Canada, daijones@rogers.com, daijones@rogers.com

SEIFERT, Karl E., Dept. Geological Sciences, Iowa State University, 4618 Dover Dr, Ames, IA 50014 and MUSILEK, Jennifer A., US Army Corps of Engineers, Omaha, NE 68102, kseifert@iastate.edu, kseifert@iastate.edu