W.P. Leeman
National Science Foundation, Arlington, VA
Activity
2009
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OLIVINE AND SPINEL SYSTEMATICS OF BORING VOLCANIC FIELD (BVF) BASALTS: EVIDENCE FOR MAGMA SOURCE VARIATIONS AND INTERACTION AMONG BASALTIC MAGMAS
T110 Multidisciplinary Studies of Cascade Volcanism and its Tectonic Setting (Posters)Monday, 19 October 20099:00 AM - 6:00 PMHall A
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EXCEPTIONALLY HIGH WATER AND OTHER VOLATILE CONCENTRATIONS IN OLIVINE-HOSTED MELT INCLUSIONS FROM THE YELLOWSTONE HOTSPOT AND COLUMBIA RIVER FLOOD BASALTS
123 Petrology, IgneousMonday, 19 October 20091:30 PM - 5:30 PME145
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CASCADIA MAGMATISM PROVIDES UNIQUE INSIGHTS INTO SUBDUCTION ZONE (SZ) PROCESSES
T18 Multidisciplinary Studies of Cascade Volcanism and its Tectonic Setting ISunday, 18 October 20098:00 AM - 12:00 PME143/144
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OXYGEN ISOTOPE STUDY OF ARCHEAN XENOLITHS CONSTRAINS THE SOURCE OF SUPERVOLCANIC RHYOLITES IN THE SNAKE RIVER PLAIN-YELLOWSTONE PLATEAU VOLCANIC PROVINCE
T41 Supervolcanoes, Ignimbrite Flare-ups, and Their Impacts: Definition, Debate, and New Developments (Posters)Sunday, 18 October 20099:00 AM - 6:00 PMHall A
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A PETROLOGIC OVERVIEW OF THE BORING VOLCANIC FIELD, CASCADE RANGE, USA
T65 Multidisciplinary Studies of Cascade Volcanism and its Tectonic Setting IISunday, 18 October 20091:30 PM - 5:30 PME143/144
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MIXING COMPONENTS AND HYBRIDIZATION PROCESSES OF KALAMA PERIOD INTERMEDIATE MAGMAS FROM MOUNT ST. HELENS: EVIDENCE FROM MAFIC PHENOCRYSTS
T65 Multidisciplinary Studies of Cascade Volcanism and its Tectonic Setting IISunday, 18 October 20091:30 PM - 5:30 PME143/144
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MINERALOGICAL EVIDENCE FOR MAGMA SOURCES, MIXING AND ASCENT OF BASALTIC TO ANDESITIC LAVAS OF THE BORING VOLCANIC FIELD (BVF), PORTLAND BASIN, OREGON
T65 Multidisciplinary Studies of Cascade Volcanism and its Tectonic Setting IISunday, 18 October 20091:30 PM - 5:30 PME143/144
2007
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SNAKE RIVER PLAIN-YELLOWSTONE SILICIC VOLCANISM: IMPLICATIONS FOR MAGMA GENESIS AND CRUSTAL EVOLUTION
T169 The Track of the Yellowstone Hot Spot II: What do Neotectonics, Climate Indicators, Volcanism, and Petrogenesis Reveal about Subsurface Processes?Tuesday, 30 October 20071:30 PM - 5:30 PM
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BORON ISOTOPIC VARIATIONS IN NW USA RHYOLITES: YELLOWSTONE, SNAKE RIVER PLAIN, EASTERN OREGON
T169 The Track of the Yellowstone Hot Spot II: What do Neotectonics, Climate Indicators, Volcanism, and Petrogenesis Reveal about Subsurface Processes?Tuesday, 30 October 20071:30 PM - 5:30 PM
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MANTLE SOURCE PROVINCES BENEATH THE PACIFIC NORTHWEST REVEALED BY HELIUM ISOTOPE VARIATIONS IN BASALTIC LAVAS
T169 The Track of the Yellowstone Hot Spot II: What do Neotectonics, Climate Indicators, Volcanism, and Petrogenesis Reveal about Subsurface Processes?Tuesday, 30 October 20071:30 PM - 5:30 PM
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GEODYNAMIC MODELING OF PLUME-LITHOSPHERE INTERACTION BENEATH THE YELLOWSTONE HOTSPOT TRACK
T107 The Track of the Yellowstone Hot Spot I: What Do Neotectonics, Climate Indicators, Volcanism, and Petrogenesis Reveal about Subsurface Processes?Monday, 29 October 20071:30 PM - 5:30 PM
2005
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ORIGIN OF SNAKE RIVER PLAIN - YELLOWSTONE (SRPY) BASALTIC MAGMAS: LITHOSPHERIC VS. ASTHENOSPHERIC CONTRIBUTIONS
T84 The Yellowstone Hotspot: Integrated Field, Geochemical, and Geophysical StudiesMonday, 17 October 20058:00 AM - 12:00 PM
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IMPLICATIONS OF SILICIC VOLCANISM OF THE SNAKE RIVER PLAIN – YELLOWSTONE (SRPY) PROVINCE
T54 The Yellowstone Hotspot: Its Influence on the Magmatic and Tectonic Evolution of the Western U.S.Sunday, 16 October 20051:30 PM - 5:30 PM
Date Unknown
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A PETROLOGIC OVERVIEW OF THE BORING VOLCANIC FIELD, CASCADE RANGE, USA
17 Hazards and Resources in the Portland, Tualatin, and Willamette Basins of Oregon and Washington (Posters)