V32A:
Accelerated and Punctuated: Using Geochronology, Diffusion Modeling, and Numerical Models to Understand Magmatic Processes II

Wednesday, 17 December 2014: 10:20 AM-12:20 PM
Chairs:  Ilya N Bindeman, Univ of Oregon, Eugene, OR, United States and Jeremy W Boyce, University of California Los Angeles, Los Angeles, CA, United States
Primary Conveners:  Ilya N Bindeman, Univ of Oregon, Eugene, OR, United States
Co-conveners:  Christy B. Till, Arizona State University, School of Earth & Space Exploration, Tempe, AZ, United States, Mark David Schmitz, Dept Geoscience, Boise, ID, United States and Jeremy W Boyce, University of California Los Angeles, Los Angeles, CA, United States
OSPA Liaisons:  Christy B. Till, Arizona State University, School of Earth & Space Exploration, Tempe, AZ, United States

Abstracts Submitted to this Session:

10:20 AM
V32A-01
 
Melt inclusion shapes: Timekeepers of short-lived giant magma bodies
Ayla S Pamukcu1, Guilherme A R Gualda2, Florence Begue3 and Darren McClurg Gravley3, (1)Brown University, Earth, Environmental, and Planetary Sciences, Providence, RI, United States, (2)Vanderbilt University, Earth and Environmental Sciences, Nashville, TN, United States, (3)University of Canterbury, Christchurch, New Zealand
10:35 AM
V32A-02
 
Timescales associated with the opening phase of large caldera forming eruptions
Madison Myers1, Paul J Wallace1 and Colin J N Wilson2, (1)University of Oregon, Eugene, OR, United States, (2)Victoria University of Wellington, Wellington, New Zealand
10:50 AM
V32A-03
 
Forward and Inverse Modeling of Magma Chamber Dynamics and Crystal Zoning Provides Insights into Rates and Processes Leading to Eruption
Fidel Costa Rodriguez1, Caroline Bouvet de Maisonneuve1, Wim Degruyter2 and Christian Huber2, (1)Nanyang Technological University, Earth Observatory of Singapore, Singapore, Singapore, (2)Georgia Institute of Technology Main Campus, School of Earth and Atmospheric Sciences, Atlanta, GA, United States
11:05 AM
V32A-04
 
Titanium and oxygen isotope diffusion in quartz-phenocrysts from a Jurassic rhyolite, Chon Aike Province (Fitz Roy, Patagonia)
Susanne Seitz1, Benita Putlitz1, Lukas P Baumgartner1, Stephane Escrig2, Anders Meibom1,2, Stéphane Leresche1 and Torsten W Vennemann1, (1)University of Lausanne, Lausanne, Switzerland, (2)EPFL Swiss Federal Institute of Technology Lausanne, Lausanne, Switzerland
11:20 AM
V32A-05
 
2D Thermo-mechanical Modelling Sheds New Light on the Geochemical Evolution of Melt within Crustal Magma Chambers
Katarina Helena Roele1, Joanna V Morgan1 and Matthew Jackson2, (1)Imperial College London, London, SW7, United Kingdom, (2)Imperial College London, London, United Kingdom
11:35 AM
V32A-06
 
Sublithospheric Triggers for Episodic Silicic Magmatism in Subduction Zones
Taras Gerya1, Katharina Vogt2 and Maike Schubert1, (1)ETH Swiss Federal Institute of Technology Zurich, Zurich, Switzerland, (2)Utrecht University, Utrecht, Netherlands
11:50 AM
V32A-07
 
Looking through the Zircon Kaleidoscope: Durations, Rates, and Fluxes in Silicic Magmatic System
Urs Schaltegger and Joern-frederik Wotzlaw, University of Geneva, Geneva, Switzerland
12:05 PM
V32A-08
 
Oxygen isotope homogeneity and trace element variations in glass within 250-79 ka Central Plateau Member rhyolite lavas from the Yellowstone Volcanic System
Matthew Loewen1, Ilya N Bindeman1 and Kenneth S Befus2, (1)University of Oregon, Department of Geological Sciences, Eugene, OR, United States, (2)University of Texas at Austin, Jackson School of Geosciences, Austin, TX, United States
 
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