V33A:
Accelerated and Punctuated: Using Geochronology, Diffusion Modeling, and Numerical Models to Understand Magmatic Processes III Posters

Wednesday, 17 December 2014: 1:40 PM-6:00 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:

 
Natural spherulite crystallization kinetics in rhyolitic melts
Kenneth S Befus, University of Texas at Austin, Jackson School of Geosciences, Austin, TX, United States, Kouki Kitajima, University of Wisconsin, Madison, WI, United States and John W Valley, Univ Wisconsin Madison, Madison, WI, United States
 
Kinetics of Bubble Generation in Mafic Enclaves
Brent A Jackson, University of Texas, Austin, TX, United States and James E Gardner, University of Texas at Austin, Jackson School of Geosciences, Austin, TX, United States
 
Using Diffusion Modeling to Understand Ni Variability and Magmatic Histories of Hawaiian Olivines
Kendra Janell Lynn, University of Hawaii at Manoa, Honolulu, HI, United States, Michael O Garcia, Univ Hawaii, Honolulu, HI, United States and Thomas Shea, SOEST, Honolulu, HI, United States
 
Diffusive Fractionation of Lithium Isotopes in Olivine
Veronika Homolova1, Frank M Richter2, E Bruce Watson1 and Marc Chaussidon3, (1)Rensselaer Polytechnic Institute, Troy, NY, United States, (2)University of Chicago, Chicago, IL, United States, (3)CNRS, Paris Cedex 16, France
 
Testing the Consistency of Diffusion Modelling in Multiple Crystal Phases: A Case Study from the Bishop Tuff, California
Katy J Chamberlain, University of Durham, Department of Earth Sciences, Durham, DH1, United Kingdom, Dan J Morgan, University of Leeds, Leeds, United Kingdom and Colin J N Wilson, Victoria University of Wellington, Wellington, New Zealand
 
Interrogating Commonly Applied Initial Condition Assumptions in Geospeedometry using NanoSIMS
Christy B. Till, Arizona State University, School of Earth & Space Exploration, Tempe, AZ, United States and Jeremy W Boyce, University of California, Dept of Earth, Planetary and Space Sciences, Los Angeles, United States
 
Crystal Histories and Crustal Magmas: Insights into Magma Storage from U-Series Crystal Ages
Kari M Cooper, University of California Davis, Earth and Planetary Sciences, Davis, CA, United States
 
238U–230Th crystallization ages for the oldest domes of the Mono Craters, eastern California
Mae Marcaida and Jorge A Vazquez, USGS, Menlo Park, CA, United States
 
40Ar/39Ar and U-Pb Ages and Isotopic Data for Oligocene Ignimbrites, Calderas, and Granitic Plutons, Southern Stillwater Range and Clan Alpine Mountains: Insights into the Volcanic-Plutonic Connection and Crustal Evolution in Western Nevada
David A John1, Kathryn E Watts2, Christopher Henry3, Joseph P Colgan2 and Brian Cousens4, (1)USGS, Menlo Park, CA, United States, (2)U.S. Geological Survey, Menlo Park, CA, United States, (3)University of Nevada Reno, Reno, NV, United States, (4)Carleton University, Ottawa, ON, Canada
 
Bridging Basalts and Rhyolites in the Yellowstone-Snake River Plain Volcanic Province: the Elusive Intermediate Step
Dawid Szymanowski1, Ben S Ellis1, Olivier Bachmann1, Marcel Guillong1 and William M Phillips2, (1)ETH Swiss Federal Institute of Technology Zurich, Zurich, Switzerland, (2)Idaho Geological Survey, University of Idaho, Moscow, ID, United States
 
Isotopically-diverse rhyolites coeval with the Columbia River Basalts Large Igneous Province: evidence for widespread mantle-plume driven hydrothermal alteration and remelting of the crust
Dylan Colon, University of Oregon, Eugene, OR, United States, Ilya N Bindeman, Univ of Oregon, Eugene, OR, United States, Richard A Stern, University of Alberta, Edmonton, AB, Canada and Christopher M Fisher, Washington State University, Pullman, WA, United States
 
Origin and potential geothermal significance of China Hat and other late Pleistocene topaz rhyolite lava domes of the Blackfoot Volcanic Field, SE Idaho
Michael O McCurry1, David M Pearson1, John Andrew Welhan2, Shannon E Kobs-Nawotniak1 and Meghan A Fisher1, (1)Idaho State University - Geosciences, Pocatello, ID, United States, (2)ID St Univ-ID Geological Surve, Pocatello, ID, United States
 
Petrologic significance of silicic magmatism in the Ferrar Large Igneous Province: geochemistry and geochronology of the Butcher Ridge Igneous Complex, Antarctica
Demian A Nelson, University of California Santa Barbara, Earth Sciences, Santa Barbara, CA, United States, John M Cottle, University of California Santa Barbara, Santa Barbara, CA, United States, Melanie Barboni, University of California Los Angeles, Earth, Planetary, and Space Sciences, Los Angeles, CA, United States and Blair Schoene, Princeton University, Princeton, NJ, United States
 
Short- and Long-lived Silicic Volcanism at Árnes and Hafnarfjall-Skarðsheiði Central Volcanoes, Iceland
Tenley Banik1, Calvin F Miller1, Matthew A Coble2, Rita C Economos3 and Christopher M Fisher4, (1)Vanderbilt University, Nashville, TN, United States, (2)Stanford University, Stanford, CA, United States, (3)University of California Los Angeles, Earth and Space Sciences, Los Angeles, CA, United States, (4)Washington State University, Pullman, WA, United States
 
Geochronology and Geochemistry of Volcanic Suites from the Middle Sulu Orogenic Belt, Eastern China: Implication for Petrogenesis and Tectonic Setting
Jun Wang1, Su-chin Chang1, Hongbo Lu2 and Haichun Zhang3, (1)University of Hong Kong, Hong Kong, Hong Kong, (2)Department of Geology, China university of Petroleum, Qingdao, China, (3)State Key Laboratory of Palaeobiology and Stratigraphy, Nanjing Institute of Geology and Palaeontology, Chinese Academy of Sciences, Nanjing, China
 
Multiple Dehydration Events Beneath Island Arc, Evidence from U-Th-Ra Isotopic Disequilibria in Mt. Fuji Lavas, Japan.
Takele Chekol1,2 and Eizo Nakamura2, (1)T.Y.K. Mineral and Water Exploration, Development and Consultancy PLC, Addis Ababa, Ethiopia, (2)Okayama University, Institute for Study of the Earth's Interior, Misasa, Japan
 
Multicomponent Diffusion in Silicate Melts: SiO2-TiO2-Al2O3-MgO-CaO-Na2O-K2O System
Chenghuan Guo, University of Michigan, Earth and Environmental Sciences, Ann Arbor, MI, United States and Youxue Zhang, Univ of Mich- Earth & Env Sci, Ann Arbor, MI, United States
 
Tiny Molybdenites Tell Diffusion Tales
Holly J Stein1,2 and Judith L Hannah1,2, (1)Colorado State University, AIRIE Program, Fort Collins, CO, United States, (2)University of Oslo, Centre for Earth Evolution and Dynamics, Oslo, Norway
 
3D Morphochemistry of Basaltic/Rhyolitic Mixed Eruptions revealed via Microanalysis and X-ray microtomography.
Daniele Morgavi1,2, Fabio Arzilli3, Chad J Pritchard4, Diego Perugini1, Lucia Mancini3, Peter B Larson5 and Donald B Dingwell2, (1)University of Perugia, Fisica e Geologia, Perugia, Italy, (2)Ludwig Maximilian University of Munich, Munich, Germany, (3)Elettra - Sincrotrone Trieste, Trieste, Italy, (4)Eastern Washington University, Cheney, WA, United States, (5)Washington State Univ, Pullman, WA, United States
 
Unravelling the Time-scales of Magma Mixing: Petrological and Volcanological Implications
Maurizio Petrelli and Diego Perugini, University of Perugia, Fisica e Geologia, Perugia, Italy