JpGU-AGU Joint Meeting 2017

Session information

[EE] Poster

S (Solid Earth Sciences) » S-GC Geochemistry

[S-GC52] [EE] Volatile cycles in the Earth - from Surface to Deep Interior

Mon. May 22, 2017 5:15 PM - 6:30 PM Poster Hall (International Exhibition Hall HALL7)

Volatiles play an important role in the dynamical and chemical evolution in the solid Earth. Rheological behavior of mantle rocks and mineral stabilities drastically change by the presence of volatiles. Chemical differentiation caused by partial melting and fluid transport is enhanced by volatiles. The hydrosphere has been maintained from the early Earth by balancing degassing from and regassing to the solid Earth. However, fundamental questions still remain, such as, amount and origin of volatiles in the mantle and crust, transport mechanisms of volatiles from Earth's surface to the solid interior, condition under which volatiles are stabilized in minerals from low to high pressure, influence of volatiles on physical properties of rocks and minerals, and volatile fluxes from the solid Earth to the surface through magmatism. Because these problems are tightly related with each other, we aim to have a discussion by integrating contributions from various fields such as geochemical measurements, geophysical observations, high pressure and temperature experiments, theoretical and modeling studies, all of which shed light on the cycles of volatiles, such as hydrogen, carbon, nitrogen, noble gases, halogens, and sulfur.

Masahiro Kobayashi1, *Hirochika Sumino2, Keisuke Nagao3, Satoko Ishimaru4, Shoji Arai5, Masako Yoshikawa6, Tatsuhiko Kawamoto6, Yoshitaka Kumagai6, Tetsuo Kobayashi7, Ray Burgess8, Chris Ballentine9 (1.Geochemical Research Center, Graduate School of Science, University of Tokyo, 2.Department of Basic Science, Graduate School of Arts and Sciences, University of Tokyo, 3.Division of Polar Earth-System Sciences, Korea Polar Research Institute, 4.Department of Earth and Environmental Sciences, Graduate School of Science and Technology, Kumamoto University, 5.Department of Earth Sciences, Faculty of Science, Kanazawa University, 6.Beppu Geothermal Research Laboratory, Institute for Geothermal Sciences Graduate School of Sciences, Kyoto University, 7.Department of Earth and Environmental Sciences, Graduate School of Science and Engineering, Kagoshima University, 8.School of Earth and Environmental Sciences, University of Manchester, 9.Department of Earth Sciences, University of Oxford)

*Morihisa Hamada1, Philipp A. Brandl2, Takayuki Ushikubo3, Kenji Shimizu3, Motoo Ito3, He Li4, Ivan P. Savov5 (1.Department of Solid Earth Geochemistry, Japan Agency for Marine-Earth Science and Technology, 2.GEOMAR Helmholtz Centre for Ocean Research, Kiel, Germany, 3.Kochi Institute for Core Sample Research, Japan Agency for Marine-Earth Science and Technology, 4.Guangzhou Institute of Geochemistry, Chinise Academy of Science, China, 5.School of Earth and Environment, The University of Leeds, UK)




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