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Activity

2025

• GEOCHEMICAL EVIDENCE FOR SLAB-TEAR RELATED MAGMA GENERATION IN THE CASCADES COLUMBIA TRANSECT
  12 Tectonics and Magmatism in the Modern and Ancestral Cascades Volcanic Arc II
  Wednesday, 2 April 2025

  1:30 PM - 5:30 PM

  Balboa/Calaveras

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2024

• ḨARRAT RAHAT REVISITED – NEW RESULTS ON AN ARABIA PLATE VOLCANIC FIELD PREVIOUSLY STUDIED BY VIC CAMP AND JOHN ROOBOL
  3 Continental Mafic Volcanism I: Honoring the Career of Vic Camp
  Wednesday, 15 May 2024

  8:00 AM - 12:00 PM

  Meeting Room 1

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2021

• MOBILE, “DRY” DACITES BY SHALLOW, GABBROIC DIFFERENTIATION OF ARC BASALTS AT MOUNT VENIAMINOF VOLCANO, ALASKA PENINSULA
  T232 The Life and Times of Arc Volcanoes from Bottom to Top II
  Wednesday, 13 October 2021

  1:30 PM - 5:30 PM

  A106
• COMPOSITIONAL PROGRESSION FROM BASALT-ONLY TO BASALT+ANDESITE+DACITE DURING THE 300 KA ERUPTIVE HISTORY OF MT. VENIAMINOF, ALASKA
  T232 The Life and Times of Arc Volcanoes from Bottom to Top II
  Wednesday, 13 October 2021

  1:30 PM - 5:30 PM

  A106
• FIELD, PETROLOGIC AND GEOCHEMICAL EVIDENCE FOR UPPER-CRUSTAL ULTRAMAFIC CUMULATE FRACTIONATION TO GENERATE INTERMEDIATE PLUTONS AT EMIGRANT GAP, SIERRA NEVADA, CALIFORNIA
  T203 The Life and Times of Arc Volcanoes from Bottom to Top I
  Wednesday, 13 October 2021

  8:00 AM - 12:00 PM

  A106
• INCREASED OXIDATION STATES OF ARC BASALTS DURING REACTIVE ASSIMILATION OF THE PLUTONIC ROOTS OF THE QUATERNARY ANDEAN SOUTHERN VOLCANIC ZONE, CHILE: THE UPPER PLACETA SAN PEDRO SEQUENCE (UPSPS) OF THE TATARA-SAN PEDRO COMPLEX (36 S)
  T37 The How, When, Where, and Why of Open-System Magma Processes
  Sunday, 10 October 2021

  1:30 PM - 5:30 PM

  Portland Ballroom 252 (Hybrid Room)

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2019

• GARNET STABILITY IN ARC MAGMAS – EXPERIMENTAL RESULTS FOR CASCADE ARC BASALT, ANDESITE, AND DACITE
  T241 Subduction Zone Magmatism from Source to Eruption, in the Lab and in the Field: In Honor of Christy Till, GSA Mineralogy, Geochemistry, Petrology, and Volcanology Division Early Career Awardee
  Wednesday, 25 September 2019

  8:00 AM - 12:00 PM

  Room 131ABC, North Building

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2017

• MSA DANA MEDAL LECTURE: ORIGINS OF CASCADE MAGMAS
  250 Mineralogical Society of America (MSA) Awards Lectures, Presidential Address, and Annual Business Meeting
  Tuesday, 24 October 2017

  3:00 PM - 5:30 PM

  Skagit 4
• EXPERIMENTAL PETROLOGY OF THE K-FELDSPAR MEGACRYST-BEARING CATHEDRAL PEAK GRANODIORITE, TUOLUMNE INTRUSIVE SUITE, YOSEMITE NATIONAL PARK, CA
  274 D35. Petrology, Igneous (Posters)
  Tuesday, 24 October 2017

  9:00 AM - 6:30 PM

  Halls 4EF

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2009

• GEOLOGIC MAP OF THE 350 km3 BASALT-TO-DACITE VENIAMINOF VOLCANO, ALEUTIAN ARC
  T255 Physics of Volcanic Eruptions: Implications for Hazards (Posters)
  Wednesday, 21 October 2009

  9:00 AM - 6:00 PM

  Hall A
• GEOCHEMICAL AND ISOTOPIC EVIDENCE FOR DIFFERENTIATION AND ASSIMILATION IN THE ORIGIN OF MOUNT RAINIER'S CALC-ALKALINE ANDESITIC SUITE
  T65 Multidisciplinary Studies of Cascade Volcanism and its Tectonic Setting II
  Sunday, 18 October 2009

  1:30 PM - 5:30 PM

  E143/144

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2007

• EXPERIMENTAL STUDY OF CALC-ALKALINE ANDESITE DIFFERENTIATION AT MOUNT RAINIER, WASHINGTON
  12 Crustal Differentiation Processes, Timescales and Products in the North American Cordillera
  Saturday, 5 May 2007

  8:00 AM - 12:00 PM

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2006

• ZIRCON U–TH AGES OF CUMULATES AND SHALLOW GRANODIORITE, AND THE POTENTIAL FOR EXPLOSIVE ERUPTIONS OF THE THOLEIITIC MOUNT VENIAMINOF VOLCANO, ALASKA PENINSULA
  19 GSA: Volcano Hazards and Monitoring
  Tuesday, 9 May 2006

  8:00 AM - 11:20 AM

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2005

• SOLIDIFICATION, ZONING, AND HOMOGENIZATION IN SIERRAN PLUTONS
  4 Plutons and Their Host Rocks in the Sierra Nevada Batholith: A Forum and Discussion on Magma Emplacement, Magmatic Differentiation, and Pluton Solidification
  Friday, 29 April 2005

  8:15 AM - 12:00 PM

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2003

• ALTERATION AND THE MAGMATIC HISTORY OF MT. RAINIER, WASHINGTON
  T218 Hydrothermal Alteration on Active Volcanoes: Processes, Rates, and Applications to Hazards and Resources
  Wednesday, 5 November 2003

  8:00 AM - 12:00 PM
• EPISODIC VOLCANO GROWTH AT MT. RAINIER, WASHINGTON: A PRODUCT OF TECTONIC THROTTLING?
  T251 The Cascade Volcanic Arc System
  Wednesday, 5 November 2003

  1:30 PM - 5:30 PM
• HYPOGENE HYDROTHERMAL ALTERATION OF QUATERNARY VOLCANIC ROCKS FROM MOUNT RAINIER, WASHINGTON
  T218 Hydrothermal Alteration on Active Volcanoes: Processes, Rates, and Applications to Hazards and Resources
  Wednesday, 5 November 2003

  8:00 AM - 12:00 PM

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Date Unknown

• STYLE, EXTENT, AND ORIGIN OF HYDROTHERMAL ALTERATION AT MOUNT RAINIER VOLCANO, CASCADE ARC, USA
  32 Volcanoes of the Pacific Basin and Rim: Geological and Geophysical Observations (Posters)