Chairs: Albrecht Von Quadt, ETH Swiss Federal Institute of Technology Zurich, Zurich, Switzerland and Philipp Ruprecht, Lamont Doherty Earth Obs., Palisades, NY, United States
Primary Conveners: Georg F Zellmer, Massey University, Soil & Earth Sciences Group, IAE, Palmeston North, New Zealand
Co-conveners: Olivier Bachmann1, Albrecht Von Quadt1 and Philipp Ruprecht2, (1)ETH Swiss Federal Institute of Technology Zurich, Zurich, Switzerland(2)Lamont Doherty Earth Obs., Palisades, NY, United States
OSPA Liaisons: Mary R Reid, Northern Arizona University, Flagstaff, AZ, United States
Evidences for Long Residence Time for the Miocene Silicic Ignimbrites of the Pannonian Basin, Eastern-Central Europe: Constrains from In-Situ U-Pb Zircon Dating
Réka Lukács1, Szabolcs Harangi1,2, Olivier Bachmann3, Marcel Guillong3 and Laszlo Fodor4, (1)MTA-ELTE Volcanology Research Group, Budapest, Hungary, (2)Department of Petrology and Geochemistry, Eötvös Loránd University, Budapest, Hungary, (3)ETH Swiss Federal Institute of Technology Zurich, Zurich, Switzerland, (4)Hungarian Academy of Sciences, Budapest, Hungary
Deflation and Deformation of the Askja Caldera Complex, Iceland, Since 1983: Strain and Stress Development on Caldera Boundaries Prior to Tsunami Generating Rockslide in 2014 at Lake Öskjuvatn
Freysteinn Sigmundsson1, Vincent Drouin1, Michelle Parks1, Stephanie Dumont1, Elias Rafn Heimisson2, Asta Rut Hjartardottir2, Pall Einarsson2, Armann Hoskuldsson2, Bryndis Brandsdottir2, Thorsteinn Saemundsson2, Tomas Johannesson3, Jon Kristinn Helgason3, Erik C Sturkell4, Rikke Pedersen2, Andrew J Hooper5, Karsten Spaans5, Christian Minet6 and Magnus Tumi Gudmundsson1, (1)University of Iceland, Nordic Volcanological Center, Institute of Earth Sciences, Reykjavik, Iceland, (2)University of Iceland, Reykjavik, Iceland, (3)Icelandic Meteorological Office, Reykjavik, Iceland, (4)University of Gothenburg, Gothenburg, Sweden, (5)University of Leeds, Leeds, United Kingdom, (6)German Aerospace Center Oberpfaffenhofen, Oberpfaffenhofen, Germany
U-Pb, O and Hf isotope evidence of duration, sources and crustal signatures during granite batholith magmatism in the Ross Orogen, Antarctica
Christopher M Fanning1, John W Goodge2, Christopher M Fisher3, Jeffrey D. Vervoort3 and Michael J Buschette2, (1)Australian National University, Canberra, Australia, (2)Univ Minnesota Duluth, Earth & Environmental Sciences, Duluth, MN, United States, (3)Washington State University, Pullman, WA, United States
Crystal Mush History at the Unzen Volcanic Complex of Southwestern Japan, determined using U-series Zircon Geochronology
Bethany Simone Murphy1, Shanaka L de Silva1, Shinji Takarada2 and Axel K Schmitt3, (1)Oregon State University, College of Earth, Ocean, and Atmospheric Sciences, Corvallis, OR, United States, (2)Geological Survey Japan, AIST, Tsukuba, Japan, (3)University of California Los Angeles, Department of Earth, Planetary, and Space Sciences, Los Angeles, CA, United States
Storage Conditions of Large Silicic Magmatic Systems: Gauging Melt Evolution from Melt Inclusions Hosted in Different Phenocryst Phases
Stephanie B Grocke1, Shanaka L de Silva2, Paul J Wallace3, Adam JR Kent2, Richard L Hervig4, Benjamin James Andrews1 and Elizabeth Cottrell1, (1)Smithsonian, NMNH, Washington, DC, United States, (2)Oregon State University, College of Earth, Ocean, and Atmospheric Sciences, Corvallis, OR, United States, (3)University of Oregon, Eugene, OR, United States, (4)Arizona State University, Tempe, AZ, United States
Seismic Structure Beneath Taal Volcano, Philippines
Shuei-Huei You, Department of Geoscience, National Taiwan University, Taipei, Taiwan, Yuancheng Gung, NTU National Taiwan University, Taipei, Taiwan, Konstantinos I Konstantinou, NCU National Central University of Taiwan, Jhongli, Taiwan and Cheng-Horng Lin, Academia Sinica, Taipei, Taiwan
Rapid Ascent of Aphyric Mantle Melts through the Overriding Crust in Subduction Zones: Evidence from Variable Uranium-Series Disequilibria, Amorphous Hydrous Alteration Microtextures in Crystal Rims, and Two-Pyroxene Pseudo-Decompression Paths
Georg F Zellmer1, Heye Freymuth2, Hui-Ho Hsieh3, Shyh-Lung Hwang4, Yoshiyuki Iizuka3, Christian A Miller5, Kenneth Howard Rubin5, Naoya Sakamoto6 and Hisayoshi Yurimoto6, (1)Massey University, Soil & Earth Sciences Group, IAE, Palmeston North, New Zealand, (2)University of Bristol, School of Earth Sciences, Bristol, United Kingdom, (3)Academia Sinica, Institute of Earth Sciences, Taipei, Taiwan, (4)National Dong Hwa University, Department of Materials Science and Engineering, Hualien County, Taiwan, (5)Univ Hawaii, Department of Geology & Geophysics, SOEST, Honolulu, HI, United States, (6)Hokkaido University, Division of Earth and Planetary Sciences, Sapporo, Japan
The Timing of Early Magmatism and Extension in the Southern East African Rift: Tracking Geochemical Source Variability with 40Ar/39Ar Geochronology at the Rungwe Volcanic Province, SW Tanzania
Gary T Mesko1,2, Cornelia Class2, Melania D Maqway3, Nelson Boniface3, Shukrani Manya3 and Sidney R Hemming1,2, (1)Columbia University in the City of New York, Department of Earth and Environmental Sciences, New York, NY, United States, (2)Lamont Doherty Earth Observatory, Palisades, NY, United States, (3)University of Dar es Salaam, Dar es Salaam, Tanzania
Chemistry and chronology of magmatic processes, Central Kenya Peralkaline province, East African Rift
Elizabeth Anthony, Univ Texas El Paso, El Paso, TX, United States, Alan L Deino, Berkeley Geochronology Center, Berkeley, CA, United States, John Charles White, Eastern Kentucky University, Richmond, KY, United States and Peter A. Omenda, geothermal development corporation, Nairobi, Kenya