T251 The Cascade Volcanic Arc System

Wednesday, 5 November 2003
1:30 PM - 5:30 PM

Presentations

• 1:30 PM
  TECTONICS OF THE CASCADE MAGMATIC ARC
  Ray Wells, U.S. Geol Survey, Menlo Park, CA
  65865 (Technical Sessions)
• 1:50 PM
  VOLCANISM IN THE SOUTHERNMOST CASCADES: TECTONIC CONTROLS, MANTLE SOURCES, AND CRUSTAL INTERACTION
  Michael A. Clynne, U.S. Geol Survey, Menlo Park, CA
  64033 (Technical Sessions)
• 2:05 PM
  MANTLE MELTING AND PLATE TECTONIC CONTROLS ON MAGMATISM IN THE CASCADE ARC: A PETROLOGIC PERSPECTIVE
  Timothy L. Grove, Massachusetts Institute Technology, Cambridge, MA and Stephen W. Parman, Massachusetts Institute Technology, Cambridge, MA and Linda T. Elkins-Tanton, Brown Univ, Providence, RI and Othmar Meuntener, Univ of Neuchatel, Neuchatel, N/A
  66938 (Technical Sessions)
• 2:25 PM
  MAFIC MAGMATISM AND NEW PERSPECTIVES ON CASCADIA SUBDUCTION
  William P. Leeman, Rice Univ, Houston, TX and Russell C. Evarts, U.S. Geol Survey, Menlo Park, CA and Richard M. Conrey, Washington State Univ, Pullman, N/A and Martin Streck, Portland State Univ - Dept Geology 17 Cramer Hall, Portland, OR
  66630 (Technical Sessions)
• 2:40 PM
  NOMADIC CRYSTALS: RECORDS OF MAGMA DYNAMICS AT MT ST HELENS AND MT SHASTA
  Kari M. Cooper, Univ of Washington, Seattle, WA and Mary R. Reid, Northern Arizona Univ, Flagstaff, AZ
  64594 (Technical Sessions)
• 3:10 PM
  SERPENTINIZATION OF THE CASCADIA FOREARC MANTLE
  Michael G. Bostock, The Univ of British Columbia, Vancouver, BC and Roy D. Hyndman, Geol Survey of Canada, Sidney, BC and Stephane Rondenay, Massachusetts Institute of Technology, Cambridge, MA and Simon M. Peacock, Arizona State Univ, Tempe, AZ
  64297 (Technical Sessions)
• 3:30 PM
  A HOT MANTLE WEDGE AND BACKARC AT THE CASCADIA SUBDUCTION ZONE: NUMERICAL TESTS USING A MODEL OF SLAB-DRIVEN WEDGE FLOW
  Claire A. Currie, Univ of Victoria, Victoria, BC and Kelin Wang, Sidney, BC and Roy D. Hyndman, Sidney, BC and Jiangheng He, Geol Survey of Canada, Sidney, BC
  67039 (Technical Sessions)
• 3:45 PM
  MID-CRUSTAL VELOCITY ANOMALIES IN THE CENTRAL WASHINGTON CASCADES: EVIDENCE FOR STRUCTURES AFFECTING REGIONAL TECTONICS AND VOLCANISM?
  Seth C. Moran, U.S. Geol Survey, Vancouver, WA and Stephen D. Malone, Univ of Washington, Seattle, WA and Jonathan M. Lees, Univ of North Carolina, Chapel Hill, NC
  61204 (Technical Sessions)
• 4:00 PM
  EPISODIC VOLCANO GROWTH AT MT. RAINIER, WASHINGTON: A PRODUCT OF TECTONIC THROTTLING?
  Marvin A. Lanphere, US Geol Survey, Menlo Park, CA and Thomas W. Sisson, US Geol Survey, Menlo Park, CA
  61734 (Technical Sessions)
• 4:15 PM
  GLACIOVOLCANISM IN BRITISH COLUMBIA'S MOUNT CAYLEY VOLCANIC FIELD: THE INTERPLAY OF MAGMA, TOPOGRAPHY, AND ICE IN A CONVERGENT MARGIN SETTING
  Melanie C. Kelman, Univ of British Columbia, Vancouver, BC and Catherine J. Hickson, Vancouver, BC and James K. Russell, Univ of British Columbia, Vancouver, BC
  65389 (Technical Sessions)