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

RUSK, Brian G., School of Earth and Environmental Sciences, James Cook University, Townsville, QLD 4811, Australia, HOFSTRA, Albert H., U.S. Geological Survey, Box 25046, MS 963, Denver, CO 80225, EMSBO, Poul, U.S. Geological Survey, Denver Federal Center, Mail Stop 973, Denver, CO 80225, HUNT, Andrew G., U.S. Geological Survey, Denver Federal Center, Bld 21, MS 963, Denver, CO 80225, LANDIS, Gary P., U.S. Geological Survey, Denver Federal Center, MS 963, Bld 21, Denver, CO 80225, RYE, R.O., USGS, Box 25046, MS 963, Denver, CO 80225, REED, Mark, Geological Sciences, University of Oregon, Eugene, OR 97403, DILLES, John H., College of Earth, Ocean & Atmospheric Sciences, Oregon State University, CEOAS Admin 104, Corvallis, OR 97331-5503, VALLEY, John W., Department of Geology and Geophysics, University of Wisconsin-Madison, Madison, WI 53706 and KITA, Noriko T., Geology and Geophysics, University of Wisconsin, 1215 West Dayton Street, Madison, WI 53706, brian.rusk@jcu.edu.au, brian.rusk@jcu.edu.au

MERCER, Celestine N., Department of Geology, Colorado College, 14 E. Cache La Poudre Street, Colorado Springs, CO 80903 and REED, Mark, Geological Sciences, University of Oregon, Eugene, OR 97403, celeste.mercer@coloradocollege.edu, celeste.mercer@coloradocollege.edu

VIKRE, Peter G., U.S. Geological Survey, Mackay School of Earth Sciences and Engineering, MS 176, University of Nevada, Reno, Reno, NV 89557-0047, GRAYBEAL, Frederick T., 37 Wynwood Road, Chatham, NJ 07928, FLECK, Robert J., USGS, 345 Middlefield Rd, Menlo Park, CA 94025, BARTON, Mark D., Dept. of Geosciences, University of Arizona, Tucson, AZ 85721 and SEEDORFF, Eric, Geosciences, University of Arizona, 1040 E. Fourth St., Room 316, Tucson, AZ 85721, pvikre@usgs.gov, pvikre@usgs.gov

SHANKS, W.C. Pat¹, DUSEL-BACON, Cynthia², KOSKI, Randy², MORGAN, Lisa A.³, MOSIER, Dan², PIATAK, Nadine M.⁴, RIDLEY, W. Ian⁵, SCHULZ, Klaus J.⁶, SEAL II, Robert R.⁴, SLACK, John F.⁷ and THURSTON, Roland¹, (1)U.S. Geological Survey, 973 Federal Center, Denver, CO 80225, (2)USGS, 345 Middlefield Rd., MS 901, Menlo Park, CA 94025, (3)U.S. Geological Survey, PO Box 25046, MS 973, Denver, CO 80225, (4)U.S. Geological Survey, 954 National Center, 12201 Sunrise Valley Drive, Reston, VA 20192, (5)US Geological Survey, PO Box 25046, MS 973 Denver Federal Center, Denver, CO 80225, (6)U.S. Geological Survey, 954 National Center, Reston, VA 20192, (7)USGS, National Center, MS 954, Reston, VA 20192, pshanks@usgs.gov, pshanks@usgs.gov

CLINE, Jean S., Department of Geoscience, University of Nevada Las Vegas, 4505 Maryland Parkway, Las Vegas, NV 89154-4010, MUNTEAN, John L., Nevada Bureau of Mines and Geology, University of Nevada Reno, Reno, NV 89557, LONGO, Anthony A., Department of Geoscience, University of Nevada Las Vegas, 4505 Maryland Pkway, Las Vegas, NV 89154-4010 and SIMON, Adam, Department of Geoscience, University of Nevada Las Vegas, 4505 Maryland Pkwy, Las Vegas, NV 89154-4010, jean.cline@unlv.edu, jean.cline@unlv.edu

CHANG, Zhaoshan¹, HEDENQUIST, Jeffrey W.², WHITE, Noel C.³, COOKE, David R.¹, DEYELL, Cari L.¹ and GARCIA Jr, Joey⁴, (1)CODES ARC Centre of Excellence in Ore Deposits, University of Tasmania, Private Bag 126, Hobart, Tasmania, 7001, Australia, (2)99 Fifth Avenue-Suite 260, Ottawa, ON K1S 5P5, Canada, (3)P.O. Box 5181, Kenmore East, Queensland, 4069, Australia, (4)Lepanto Consolidated Mining Company, 21st Flr., BA-Lepanto Bldg, 8747 Paseo de Roxas, Makati City, 1126, Philippines, zhaoshan.chang@utas.edu.au, zhaoshan.chang@utas.edu.au

RYTUBA, James J.¹, ASHLEY, Roger P.¹ and JOHN, David A.², (1)U.S. Geological Survey, 345 Middlefield Road, MS901, Menlo Park, CA 94025, (2)U.S. Geological Survey, 345 Middlefield Rd. MS-901, Menlo Park, CA 94025, jrytuba@usgs.gov, jrytuba@usgs.gov

JOHN, David A., U.S. Geological Survey, 345 Middlefield Rd. MS-901, Menlo Park, CA 94025, BREIT, George N., N/a, U.S. Geological Survey, MS 964, Denver Federal Center, Denver, CO 80225, LEE, Robert G., Oregon State University, Corvallis, OR 97331-5506, DILLES, John, Geosciences, Oregon State University, Corvallis, OR 97331, CALVERT, Andrew T., US Geological Survey, 345 Middlefield Rd, MS-937, Menlo Park, CA 94025, MUFFLER, L.J. Patrick, US Geological Survey, 345 Middlefield Rd, MS 910, Menlo Park, CA 94025, CLYNNE, Michael A., Volcano Hazards Team, USGS, Menlo Park, CA 94025 and RYE, Robert O., USGS, Box 25046, MS 963, Denver, CO 80225, djohn@usgs.gov, djohn@usgs.gov

LANDIS, G.P. and RYE, Robert O., USGS-DIAL, Box 25046, MS 963, Denver, CO 80225, g_landis@usgs.gov, g_landis@usgs.gov

BOVE, Dana J., U.S. Geological Survey, P.O. Box 25046, Denver Federal Center, MS 973, Denver, CO 80225, HOFSTRA, A.H, USGS, U.S. Geological Survey, Denver Federal Center, POB 25046, MS 973, Denver, CO 80225, KOENIG, A.E., USGS, Box 25046, MS 973, Denver, CO 80225, LOWERS, H.a., United States Geol Survey, Box 25046 DFC, MS 973, Denver, CO 80225 and RYE, R.O., USGS, Box 25046, MS 963, Denver, CO 80225, dbove@usgs.gov, dbove@usgs.gov

MANION, Jennifer Leigh, School of Earth and Environmental Sciences: Geology, Washington State University, PO Box 642812, Pullman, WA 99164-2812 and LARSON, Peter, Department of Geology, Washington State University, Pullman, WA 99164, jlmanion@gmail.com, jlmanion@gmail.com

LOWENSTERN, Jacob B., Volcano Hazards Team, U.S. Geological Survey, Menlo Park, CA 94025, 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, HURWITZ, Shaul, U.S. Geological Survey, 345 Middlefield Road, Menlo Park, CA 94025 and HUNT, Andrew G., U.S. Geological Survey, Denver Federal Center, Bld 21, MS 963, Denver, CO 80225, jlwnstrn@usgs.gov, jlwnstrn@usgs.gov

HUNT, Andrew G., U.S. Geological Survey, Denver Federal Center, Bld 21, MS 963, Denver, CO 80225, BREIT, George N., N/a, U.S. Geological Survey, MS 964, Denver Federal Center, Denver, CO 80225, BERGFELD, Deborah, U.S. Geological Survey, 345 Middlefield Rd, MS 910, Menlo Park, CA 94025, RYTUBA, James J., US Geological Survey, 345 Middlefield Road, Menlo Park, CA 94025, WOLF, Ruth E., Crustal Imaging and Characterization Team, U.S. Geological Survey, MS973 Denver Federal Center, Denver, CO 80225 and LANDIS, G.P., USGS, Box 25046, MS 963, Denver, CO 80225, ahunt@usgs.gov, ahunt@usgs.gov