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

TARAN, Yuri A., Volcanology, Institute of Geophysics, UNAM, Ciudad Universitaria, Coyoacan, Mexico, 04510, Mexico, taran@geofisica.unam.mx, taran@geofisica.unam.mx

MAURI, Guillaume and WILLIAMS-JONES, Glyn, Earth Sciences, Simon Fraser University, 8888 University Drive, Burnaby, BC V5A1S6, Canada, gmauri@sfu.ca, gmauri@sfu.ca

PEARSON, Sophie C.P.¹, KIYOSUGI, Koji¹, CONNOR, Charles¹, SABALLOS, Jose Armando¹, LEHTO, Heather L.¹ and SANFORD, Ward E.², (1)Department of Geology, University of South Florida, SCA 528, 4202 E. Fowler Ave, Tampa, FL 33620, (2)U.S. Geological Survey, 431 National Center, 12201 Sunrise Valley Drive, Reston, VA 20192, spearson@mail.usf.edu, spearson@mail.usf.edu

WALLACE, Paul, Department of Geological Sciences, University of Oregon, 1272 University of Oregon, Eugene, OR 97403, ROBERGE, Julie, Departamento de Geoquímica, Universidad Nacional Autónoma de México, Instituto de Geología, Ciudad Universitaria, Coyoacán, 04510, Mexico and DELGADO, Hugo, Departamento de Volcanología, Universidad Nacional Autónoma de México, Instituto de Geofísica, Ciudad Universitaria, Coyoacán, 04510, Mexico, pwallace@uoregon.edu, pwallace@uoregon.edu

INGEBRITSEN, Steven E. and MARINER, Robert H., US Geol Survey, 345 Middlefield Road, Menlo Park, CA 94025, seingebr@usgs.gov, seingebr@usgs.gov

EVANS, William C., U.S. Geological Survey, 345 Middlefield Rd, MS 434, Menlo Park, CA 94025, MARINER, Robert H., U.S. Geological Survey, 345 Middlefield Road, Menlo Park, CA 94025, BERGFELD, Deborah, U.S. Geological Survey, 345 Middlefield Rd, MS 910, Menlo Park, CA 94025 and REVESZ, Kinga M., U.S. Geological Survey, 12201 Sunrise Valley Dr, Reston, VA 20192, wcevans@usgs.gov, wcevans@usgs.gov

BERGFELD, Deborah, U.S. Geological Survey, 345 Middlefield Rd, MS 910, Menlo Park, CA 94025, EVANS, William C., U.S. Geological Survey, 345 Middlefield Rd, MS 434, Menlo Park, CA 94025 and SPICER, Kurt, U.S. Geological Survey, 1300 SE Cardinal Court, Suite 100, Vancouver, WA 98683, dbergfel@usgs.gov, dbergfel@usgs.gov

WALDER, Joseph S., US Geological Survey, Cascades Volcano Observatory, 1300 SE Cardinal Court, Bldg. 10, Suite 100, Vancouver, WA 98683, jswalder@usgs.gov, jswalder@usgs.gov

TEASDALE, Rachel¹, WENHAM, Jamie², MENDES, Stephanie³, DEL POTRO, Rodrigo⁴, MARTÍNEZ, María⁴, FERNÁNDEZ, Erick⁴ and BROWN, David⁵, (1)Geological & Environmental Sciences, CSU Chico, Chico, CA 95929-0205, (2)Chemistry, CSU, Chico, Chico, CA 95929-0210, (3)Chemistry, CSU Chico, Chico, CA 95929, (4)Volcanology, OVSICORI-UNA, Heredia, 2346-3000, Costa Rica, (5)Geological and Environmental Sciences, CSU, Chico, Chico, CA 95929-0205, rteasdale@csuchico.edu, rteasdale@csuchico.edu

VAREKAMP, Johan C., Department of Earth & Environmental Sciences, Wesleyan University, 265 Church Street, Middletown, CT 06459, KADING, Tristan, Marine Chemistry & Geochemistry, Woods Hole Oceanographic Institution, 266 Woods Hole Road, Woods Hole, MA 02543-1050, BERMUDEZ, Adriana, CONICET, National University of Comahue, Neuquen, 8300, Argentina and DELPINO, Daniel, REPSOL-YPF, Dirección General de Exploración, Talero 360, Neuquen, 8300, Argentina, jvarekamp@wesleyan.edu, jvarekamp@wesleyan.edu

VIGOUROUX, Nathalie, Earth and Environmental Sciences, Douglas College, 700 Royal Av, New Westminster, BC V3M5Z5, Canada, WILLIAMS-JONES, Glyn, Earth Sciences, Simon Fraser University, 8888 University Drive, Burnaby, BC V5A1S6, Canada, WILLIAMS-JONES, A.E., Earth and Planetary Sciences, McGill University, 3450 University St, Montreal, QC H3A 2A7, Canada and VAN HINSBERG, V.J., Department of Earth & Planetary Sciences, McGill University, 3450 University Street, Montreal, QC H3A2A7, Canada, vigourouxcaillibotn@douglascollege.ca, vigourouxcaillibotn@douglascollege.ca

CARN, Simon A.¹, PRATA, A.J.², KROTKOV, N.A.³, YANG, K.³ and KRUEGER, A.J.⁴, (1)Geological and Mining Engineering and Sciences, Michigan Technological University, 1400 Townsend Drive, Houghton, MI 49931, (2)Atmosphere and Climate Department, Norwegian Institute for Air Research, Kjeller, 2027, Norway, (3)Goddard Earth Science and Technology (GEST) Center, University of Maryland Baltimore County, Baltimore, MD 21250, (4)Joint Center for Earth Systems Technology (JCET), University of Maryland Baltimore County, Baltimore, MD 21250, scarn@mtu.edu, scarn@mtu.edu