Session No. 207
Tuesday, 21 October 2014: 9:00 AM-6:30 PM
Exhibition Hall C (Vancouver Convention Centre-West)
T122. Magmatism and Geodynamics within the Cascadia Subduction Zone (Posters)
Authors will be present from 2:00 to 4:00 PM, and 5:00 to 6:30 PM.
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HIGH-MG ANDESITES FROM THE NORTHERN CASCADE ARC: USING MINERAL CHEMISTRY TO DISTINGUISH BETWEEN HYPOTHESES FOR PETROGENESIS
SAS, May, Geology, Western Washington University, 516 High Street, Bellingham, WA 98225, DEBARI, Susan M., Geology, Western Washington University, M.S. 9080, Bellingham, WA 98225, CLYNNE, Michael A., Volcano Hazards Team, USGS, Menlo Park, CA 94025 and RUSK, Brian G., Dept. of Geology, Western Washington University, 516 High St, Bellingham, WA 98225
40
EXTREME 231PA-ENRICHMENT IN YOUNG CASCADE ARC LAVAS
MITCHELL, Euan C.1, ASMEROM, Yemane2 and POLYAK, Victor J.2, (1)Department of Geology, Washington and Lee University, 204 W Washington St, Lexington, VA 24450, (2)Earth and Planetary Sciences, University of New Mexico, 221 Yale Blvd, Northrop Hall, Albuquerque, NM 87131
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PB AND HF ISOTOPE DATA FOR MAFIC LAVAS FROM THE THREE SISTERS AND NEWBERRY VOLCANO REGIONS OF THE CENTRAL OREGON CASCADES
KYEONG PIL, Kong1, MITCHELL, Euan C.1, ASMEROM, Yemane2 and POLYAK, Victor J.2, (1)Geology, Washington and Lee University, Lexington, VA 24450, (2)Earth and Planetary Sciences, University of New Mexico, 221 Yale Blvd, Northrop Hall, Albuquerque, NM 87131
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FELSIC MAGMAS FROM MT. BAKER IN THE NORTHERN CASCADE ARC: ORIGIN AND ROLE IN ANDESITE PRODUCTION
FILER, Julie, Geology Department, Western Washington University, 516 High St, Bellingham, WA 98225-9080, DEBARI, S.M., Geology, Western Washington University, M.S. 9080, Bellingham, WA 98225 and CLYNNE, Michael A., Volcano Hazards Team, USGS, Menlo Park, CA 94025
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TIMESCALES OF OPEN-SYSTEM MAGMATIC PROCESSES: INSIGHTS FROM TEXTURAL STUDIES AND DIFFUSION MODELING IN PLAGIOCLASE FROM MOUNT JEFFERSON, OREGON
DIGIULIO, Jennifer P., College of Earth, Ocean, and Atmospheric Sciences, Oregon State University, 104 Wilkinson Hall, Corvallis, OR 97331, NIELSEN, Roger, Department of Geosciences, Oregon State University, 104 Wilkinson Hall, Oregon State University, Corvallis, OR 97331 and TEPLEY III, Frank, College of Earth, Ocean, and Atmospheric Sciences, Oregon State University, 104 CEOAS Administration Building, Corvallis, OR 97331-5503
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PETROGENESIS OF INTERMEDIATE MAGMAS AT MOUNT BAKER VOLCANIC FIELD, NORTHERN CASCADE ARC
ESCOBAR, Ricardo Daniel, Geology, Western Washington University, 516 High St, Bellingham, WA 98225 and DEBARI, S.M., Geology, Western Washington University, M.S. 9080, Bellingham, WA 98225
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