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| 251-1 | 1:30 PM | TECTONICS OF THE CASCADE MAGMATIC ARC: WELLS, Ray E., U.S. Geol Survey, 345 Middlefield Road MS 973, Menlo Park, CA 94025, rwells@usgs.gov. |
| 251-2 | 1:50 PM | VOLCANISM IN THE SOUTHERNMOST CASCADES: TECTONIC CONTROLS, MANTLE SOURCES, AND CRUSTAL INTERACTION: CLYNNE, Michael A., U.S. Geol Survey, 345 Middlefield Rd, Menlo Park, CA 94025, mclynne@usgs.gov. |
| 251-3 | 2:05 PM | MANTLE MELTING AND PLATE TECTONIC CONTROLS ON MAGMATISM IN THE CASCADE ARC: A PETROLOGIC PERSPECTIVE: GROVE, Timothy L.1, PARMAN, Stephen W.1, ELKINS-TANTON, Linda T.2, and MEUNTENER, Othmar3, (1) Massachusetts Institute Technology, 77 Massachusetts Ave Rm 54-1220, Cambridge, MA 02139-4301, tlgrove@mit.edu, (2) Department of Geological Sciences, Brown Univ, 324 Brook St, Providence, RI 02912, (3) Geological Institute, Univ of Neuchatel, Rue Emile-Argand 11, Neuchatel, CH-2007, Switzerland |
| 251-4 | 2:25 PM | MAFIC MAGMATISM AND NEW PERSPECTIVES ON CASCADIA SUBDUCTION: LEEMAN, William P., Department of Earth Science, Rice Univ, MS-126, Houston, TX 77251-1892, leeman@rice.edu, EVARTS, Russell C., U.S. Geol Survey, 345 Middlefield Rd, Menlo Park, CA 94025, CONREY, Richard M., Department of Geology, Washington State Univ, Pullman, 99164, and STRECK, Martin, Department of Geology, Portland State Univ, Portland, 97207 |
| 251-5 | 2:40 PM | NOMADIC CRYSTALS: RECORDS OF MAGMA DYNAMICS AT MT ST HELENS AND MT SHASTA: COOPER, Kari M., Earth and Space Sciences, Univ of Washington, 63 Johnson Hall, Box 351310, Seattle, WA 98195, cooper@ess.washington.edu and REID, Mary R., Department of Geology, Northern Arizona Univ, Flagstaff, AZ 86011 |
| | 2:55 PM | Break |
| 251-6 | 3:10 PM | SERPENTINIZATION OF THE CASCADIA FOREARC MANTLE: BOSTOCK, Michael G., Department of Earth and Ocean Sciences, The Univ of British Columbia, 6339 Stores Rd, Vancouver, BC V6T 1Z4, mbostock@eos.ubc.ca, HYNDMAN, Roy D., Pacific Geoscience Centre, Geol Survey of Canada, 9860 W. Saanich Road, Sidney, BC V8L 4B2, RONDENAY, Stephane, Department of Earth, Atmospheric and Planetary Sciences, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, MA 02139, and PEACOCK, Simon M., Department of Geological Sciences, Arizona State Univ, Box 871404, Tempe, AZ 852871404 |
| 251-7 | 3:30 PM | A HOT MANTLE WEDGE AND BACKARC AT THE CASCADIA SUBDUCTION ZONE: NUMERICAL TESTS USING A MODEL OF SLAB-DRIVEN WEDGE FLOW: CURRIE, Claire A., School of Earth and Ocean Sciences, Univ of Victoria, PO Box 3055, Stn CSC, Victoria, BC V8W 3P6, Canada, currie@uvic.ca, WANG, Kelin, Geological Survey of Canada, Pacific Geoscience Centre, 9860 West Saanich Road, Sidney, BC V8L 4B2, Canada, HYNDMAN, Roy D., Pacific Geoscience Centre, 9860 West Saanich Road, Sidney, BC V8L 4B2, Canada, and HE, Jiangheng, Pacific Geoscience Centre, Geol Survey of Canada, 9860 West Saanich Road, Sidney, BC V8L 4B2, Canada |
| 251-8 | 3:45 PM | MID-CRUSTAL VELOCITY ANOMALIES IN THE CENTRAL WASHINGTON CASCADES: EVIDENCE FOR STRUCTURES AFFECTING REGIONAL TECTONICS AND VOLCANISM?: MORAN, Seth C., U.S. Geol Survey, Cascades Volcano Observatory, 1300 SE Cardinal Ct., Bldg. 10, Vancouver, WA 98683, smoran@usgs.gov, MALONE, Stephen D., Earth & Space Sciences, Univ of Washington, Box 351310, Seattle, WA 98195, and LEES, Jonathan M., Geological Sciences, Univ of North Carolina, Chapel Hill, NC 27599 |
| 251-9 | 4:00 PM | EPISODIC VOLCANO GROWTH AT MT. RAINIER, WASHINGTON: A PRODUCT OF TECTONIC THROTTLING?: LANPHERE, Marvin A. and SISSON, Thomas W., Volcano Hazards Team, US Geol Survey, 345 Middlefield Rd, Menlo Park, CA 94025, tsisson@usgs.gov |
| 251-10 | 4:15 PM | GLACIOVOLCANISM IN BRITISH COLUMBIA'S MOUNT CAYLEY VOLCANIC FIELD: THE INTERPLAY OF MAGMA, TOPOGRAPHY, AND ICE IN A CONVERGENT MARGIN SETTING: KELMAN, Melanie C.1, HICKSON, Catherine J.2, and RUSSELL, James K.1, (1) Department of Earth and Ocean Sciences, Univ of British Columbia, 6339 Stores Road, Vancouver, BC V6T 1Z4, mkelman@eos.ubc.ca, (2) Geological Survey of Canada, 101 - 605 Robson Street, Vancouver, BC V6B 5J3 |
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