Chairs: George W Bergantz, Univ Washington, Seattle, United States, Dennis Geist, University of Idaho, Moscow, ID, United States and Katharine V Cashman, University of Oregon, Eugene, United States
Primary Convener: Adam C Simon, University of Michigan, Earth and Environmental Sciences, Ann Arbor, MI, United States
Co-Convener: Dennis Geist, University of Idaho, Moscow, ID, United States
OSPA Liaison: Adam C Simon, University of Michigan, Earth and Environmental Sciences, Ann Arbor, MI, United States
Preferential Weathering of Carbonatite Lava at Ol Doinyo Lengai, Tanzania (27825)
Christian Hunter Robertson1, Karen S Harpp2, Dennis Geist3 and Matthew Bosselait1, (1)Colgate University, Hamilton, NY, United States, (2)Colgate Univ, Hamilton, United States, (3)University of Idaho, Moscow, ID, United States
Igneous Structures, Magma Transport, and Crystallization in Simple and Complex Plumbing Systems of the Central Atlantic Magmatic Province, Pennsylvania and New Jersey, USA (25565)
LeeAnn Srogi1, Peter Martinson2, Kyle V Willis2, Robert Kulp2, Meagen Pollock3 and Timothy M Lutz4, (1)West Chester University, Earth and Space Sciences, West Chester, PA, United States, (2)West Chester University of Pennsylvania, West Chester, PA, United States, (3)College of Wooster, Wooster, OH, United States, (4)West Chester University, Earth and Space Sciences, West Chester, United States
PGE abundance and Re-Os isotope Systematics of Native-Fe-Bearing Basaltic Rocks and Their Carbonaceous Crustal Contaminants: Insights into magma plumbing-system dynamics in LIPs (23968)
Geoffrey Hamilton Howarth1, James M Day2, Cyrena A Goodrich3, John Pernet-Fisher1, Graham Pearson4 and Lawrence A Taylor1, (1)University of Tennessee, Knoxville, TN, United States, (2)Scripps Institution of Oceanography, Geosciences Research Division, La Jolla, United States, (3)Planetary Science Institute, Tucson, AZ, United States, (4)University of Alberta, Earth and Atmospheric Sciences, Edmonton, AB, Canada
Construction of an Upper Crustal Reservoir by Lateral Magma Propagation: New insights from Geochronological Data of La Gloria Pluton, Central Chile (22998)
Francisco J Gutiérrez1, Marcel Guillong2, Italo J Payacán3, Alvaro Aravena3, Olivier Bachmann2, Miguel Angel Parada4 and FROG's, (1)University of Chile, Chile, Andean Geothermal Center of Excellence (CEGA) / Advanced Mining Technology Center (AMTC), Santiago, Chile, (2)ETH Swiss Federal Institute of Technology Zurich, Zurich, Switzerland, (3)University of Chile, Chile, Geology/AMTC/CEGA, Santiago, Chile, (4)University of Chile, Department of Geology, Santiago, Chile
The Vanda Dike Swarm, Dry Valleys, Antarctica I: Field Relations and Tectonic Implications (22542)
Dennis Geist, National Science Foundation, Arlington, VA, United States, Karen S Harpp, Colgate Univ, Hamilton, United States, Michael O Garcia, University of Hawaii at Manoa, Department of Earth Sciences, Honolulu, HI, United States and Carolyn E Parcheta, USGS Hawaiian Volcano Observatory, Hilo, United States
Water-driven undercooling during the interaction of mafic and felsic magmas (18402)
Mattia Pistone1, Jon D Blundy1, Richard A. Brooker2 and Richard Hinton3, (1)University of Bristol, School of Earth Sciences, Bristol, United Kingdom, (2)University of Bristol, Bristol, United Kingdom, (3)Edinburgh Ion Microprobe Facility, University of Edinburgh, School of Geosciences, Edinburgh, United Kingdom
The Oruanui and Taupo Magma Bodies (central Taupo Volcanic Zone, NZ): Evolution and Longevity as recorded in Pumice Textures (17915)
Kylie A Wright, Vanderbilt University, Earth and Environmental Sciences, Nashville, TN, United States, Ayla S Pamukcu, Brown University, Earth, Environmental, and Planetary Sciences, Providence, RI, United States and Guilherme A R Gualda, Vanderbilt University, Department of Earth and Environmental Sciences, Nashville, TN, United States
Exploring crystallization kinetics in natural rhyolitic melts using high resolution CT imagery of spherulites (17304)
Travis Wellington Clow, University of Texas at Austin, Jackson School of Geosciences, Austin, TX, United States, Kenneth S Befus, Baylor University, Waco, TX, United States and James E Gardner, University of Texas at Austin, Jackson School of Geosciences, Austin, United States
In Situ Assimilation Tracked By Trace Element Variation in Augite: Sausfjellet Pluton, North-Central Norway (7407)
Calvin G Barnes1, Nolwenn Coint2, Aaron Sei Yoshinobu1, Tore Prestvik3 and Melanie Ames Weed Barnes4, (1)Texas Tech University, Geosciences, Lubbock, TX, United States, (2)Norwegian Geological Survey, Trondheim, Norway, (3)Norwegian University of Science and Technology, Trondheim, Norway, (4)Texas Tech Univ, Lubbock, TX, United States
Formation of rhyolite at the Okataina Volcanic Complex, New Zealand: New insights from analysis of quartz clusters in plutonic lithics (17218)
Karina Graeter, Bowdoin College, Department of Earth Sciences, Brunswick, ME, United States, Rachel J Beane, Bowdoin College, Brunswick, ME, United States, Chad Daniel Deering, Michigan Technological University, Department of Geological and Mining Engineering & Sciences, Houghton, MI, United States, Darren McClurg Gravley, University of Canterbury, Earth and Environment, Christchurch, New Zealand and Olivier Bachmann, ETH Swiss Federal Institute of Technology Zurich, Zurich, Switzerland
Magma mixing enhanced by bubble segregation (15457)
Sebastian Wiesmaier1, Morgavi Daniele1, Christian Renggli2, Diego Perugini3, Cristina De Campos1, Kai-Uwe Hess1, Werner Ertel-Ingrisch1, Yan Lavallée4 and Donald B Dingwell5, (1)Ludwig Maximilian University of Munich, Munich, Germany, (2)Australian National University, Research School of Earth Sciences, Canberra, ACT, Australia, (3)University of Perugia, Department of Physics and Geology, Perugia, Italy, (4)University of Liverpool, Department of Earth, Ocean and Ecological Sciences, Liverpool, United Kingdom, (5)Ludwig-Maximilians-Universität, Department of Earth and Environmental Sciences, Munich, Germany
Tales from supereruptions: Combining pumice and mineral textures with phase equilibria to constrain the evolution of giant silicic magma bodies in the crust (14027)
Guilherme A R Gualda, Vanderbilt University, Department of Earth and Environmental Sciences, Nashville, TN, United States, Ayla S Pamukcu, Brown University, Earth, Environmental, and Planetary Sciences, Providence, RI, United States, Kylie A Wright, Vanderbilt University, Earth and Environmental Sciences, Nashville, TN, United States, Mark S Ghiorso, OFM Research, Seattle, United States and Calvin F Miller, Vanderbilt University, Earth and Environmental Sciences, Nashville, United States
Post-Emplacement Stability and Instability of Magma Reservoirs (12311)
Alberto M. Roman, Institut de Physique du Globe de Paris, Paris, France, Claude P Jaupart, Université de Paris, Institut de Physique du Globe de Paris (IPGP), UMR 7154, Paris, France and E B Burov, University Pierre and Marie Curie Paris VI, Paris, France
Exploring Multi-Phase Boundary Layer Phenomena during Magma Mixing (11322)
Philipp Ruprecht, Lamont Doherty Earth Obs., Palisades, United States, Adrian Fiege, Univ of Michigan, Ann Arbor, MI, United States and Adam C Simon, University of Michigan, Earth and Environmental Sciences, Ann Arbor, MI, United States
Cumulate Fragments in Silicic Ignimbrites (11065)
Olivier Bachmann, ETH Swiss Federal Institute of Technology Zurich, Zurich, Switzerland, Ben S Ellis, ETH Zurich, Institute of Geochemistry and Petrology, Zurich, Switzerland and John Wolff, Washington State University, School of the Environment, Pullman, WA, United States
Fe Isotope Systematics of the Upper and Upper Main Zones of the Bushveld Complex, South Africa (10592)
Laura Bilenker, Auburn University, Department of Geosciences, Auburn, United States, Craig Lundstrom, University of Illinois at Urbana Champaign, Department of Geology, Urbana, IL, United States and Adam C Simon, University of Michigan, Earth and Environmental Sciences, Ann Arbor, MI, United States
Iron Isotope Systematics of the Bushveld Complex, South Africa: Initial Results (22594)
Niklas Stausberg1, Charles E Lesher1,2, Gry Hoffmann-Barfod1,3, Justin J Glessner2 and Christian Tegner4, (1)Aarhus University, Department of Geoscience, Aarhus, Denmark, (2)University of California, Davis, Department of Earth & Planetary Sciences, Davis, United States, (3)University of California Davis, Department of Earth & Planetary Sciences, Davis, CA, United States, (4)Aarhus University, Centre of Earth System Petrology, Department of Geoscience, Aarhus, Denmark