[E] Oral
S (Solid Earth Sciences ) » S-GC Geochemistry
convener:Takeshi Hanyu(Japan Agency for Marine-Earth Science and Technology, Research Institute for Marine Geodynamics), Gray E Bebout(Lehigh University), Hirochika Sumino(Department of Basic Science, Graduate School of Arts and Sciences, The University of Tokyo), Yuji Sano(Division of Ocean and Earth Systems, Atmosphere and Ocean Research Institute, University of Tokyo)
Volatiles play an important role in the dynamical and chemical processes in the Earth. The presence of volatiles drastically changes mineral stability and rheological behavior of the rocks. Chemical fractionation, such as partial melting, hydration, and dehydration are controlled by volatiles in the rocks. Volatiles enhance the production of magmas and drive their ascent and volcanic eruption. The atmosphere and hydrosphere have been generated by variety of degassing events from the mantle through volcanism. Some volatiles in the Earth's surface have been suggested to be recycled back into the mantle beyond subduction zones. Although the significance of volatiles in the Earth's evolution has been recognized, each of these processes is poorly constrained. We therefore welcome contributions from experimental, observational, and modeling studies that help shed light on the behavior, chemical/physical characteristic, and flux/budget of volatiles, such as hydrogen, carbon, nitrogen, noble gases, halogens, and sulfur. We encourage studies linking the behavior of multiple volatile elements and their isotopic compositions. Studies investigating the linkage between volatile and solid geochemical tracers, the phase equilibria of volatile-bearing mantle assemblages, and the effect of volatiles on the physical properties of the mantle are also welcome.
*JIE REN1, Hirochika Sumino1, Yui Kouketsu2, Simon Richard Wallis3 (1.Graduate School of Arts and Sciences, The University of Tokyo , 2.Graduate School of Enviromental Studies, Nagoya University, 3.Graduate School of Science, The University of Tokyo)
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*Hirochika Sumino1, Sota Niki2, Ray Burgess3, Masahiro Kobayashi4, Hiroyuki Kagi2 (1.Department of Basic Science, Graduate School of Arts and Sciences, The University of Tokyo, 2.Geochemical Research Center, Graduate School of Science, University of Tokyo, 3.School of Earth and Environmental Sciences, University of Manchester, 4.Tokyo Metropolitan Industrial Technology Research Institute)
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Gabe S Epstein1, *Gray E Bebout1,2, Bruce W Christenson3, Hirochika Sumino4, Ikuko Wada5, Cynthia A Werner6, David R Hilton7 (1.Dept. Earth and Environmental Sciences, Lehigh University, USA, 2.Okayama University, Institute for Planetary Materials, 3.National Isotope Center, GNS Science, New Zealand, 4.Dept. of Basic Science, University of Tokyo, 5.Dept. of Earth Sciences, University of Minnesota, USA, 6.USGS-Contractor, USA, 7.Scripps Institution of Oceanography, USA)
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*Peter H Barry1, J. M. de Moor2, M. Nakagawa3, D. Giovannelli4, M. Schrenk5, A. M. Selzer1, K. G. Lloyd6 (1.Woods Hole Oceanographic Institution, 2.Observatorio Volcanológico y Sismológico de Costa Rica (OVSICORI), Universidad Nacional, Costa Rica, 3.Earth-Life Science Institute, Tokyo Institute for Technology, Tokyo, Japan, 4.Department of Biology, University of Naples “Federico II”, Naples, Italy, 5.Department of Earth and Environmental Sciences, Michigan State University, MI, USA, 6.Department of Microbiology, University of Tennessee, TN, USA)
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*Tetsuya Sakuyama1, Yuma Hayashi1, Kenji Shimizu2, Takayuki Ushikubo2, Takeshi Hanyu3, Jun-Ichi Kimura3, Wei Tian4 (1.Faculty of Science, Osaka City University, 2.Kochi Institute for Core Sample Research, JAMSTEC, 3.JAMSTEC, Yokosuka, 4.Peking University)
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*Maoliang Zhang1, Zhengfu Guo2, Sheng Xu1, Yuji Sano3,1, Peter H. Barry4 (1.Tianjin University, 2.Institute of Geology and Geophysics, Chinese Academy of Sciences, 3.The University of Tokyo, 4.Woods Hole Oceanographic Institution)
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