Japan Geoscience Union Meeting 2018

Session information

[EE] Oral

S (Solid Earth Sciences) » S-IT Science of the Earth's Interior & Tectonophysics

[S-IT22] Interaction and Coevolution of the Core and Mantle in the Earth and Planets

Tue. May 22, 2018 1:45 PM - 3:15 PM International Conference Room (IC) (2F International Conference Hall, Makuhari Messe)

convener:Tsuyoshi Iizuka(University of Tokyo), Hidetoshi Shibuya(Department of Earth and Environmental Sciences, Faculty of Advanced Science and Technology, Kumamoto University), Taku Tsuchiya(愛媛大学地球深部ダイナミクス研究センター, 共同), Kenji Ohta(Department of Earth and Planetary Sciences, Tokyo Institute of Technology), Chairperson:Tsuchiya Taku, Sinmyo Ryosuke

Recent observational and experimental investigations have significantly advanced our understanding of the structure and constituent materials of the deep Earth. Yet, even fundamental properties intimately linked with formation and evolution of the planet, such as details of the chemical heterogeneity in the mantle and light elements dissolved in the core, remained unclear. Seismological evidence has suggested a vigorous convection in the lower mantle, whereas geochemistry has suggested the presence of stable regions there that hold ancient chemical signatures. The amounts of radioactive isotopes that act as heat sources and drive dynamic behaviors of the deep Earth are also still largely unknown. We provide an opportunity to exchange the achievements and ideas, and encourage persons who try to elucidate these unsolved issues of the core-mantle evolution using various methods, including high-pressure and high-temperature experiments, high-precision geochemical and paleomagnetic analyses, high-resolution geophysical observations, geo-neutrino observations, and large-scale numerical simulations. Since this session is co-sponsored by geomagnetism, paleomagnetism and rock magnetism division of the SGEPSS, contributions in geomagnetism and geodynamo simulation are also encouraged.

2:15 PM - 2:30 PM

*Naoki Hisano1, Tatsuya Sakamaki1, Tomonori Ohashi1, Ken-ichi Funakoshi2, Yuji Higo3, Yuki Shibazaki4, Akio Suzuki1 (1.Department of Earth Science, Graduate School of Science, Tohoku University, 2.Comprehensive Research Organization for Science and Society, Neutron Science and Technology Center, 3.Japan Synchrotron Radiation Research Institute, 4.Frontier Research Institute for Interdisciplinary Sciences, Tohoku University)

2:45 PM - 3:00 PM

*Shintaro Azuma1, Ryuichi Nomura2, Kentaro Uesugi3, Yuki Nakashima4, Yohei Kojima2, Doi Shunta2, Sho Kakizawa2 (1.Department of Earth and Planetary Sciences, Faculty of Science, Kyushu University, 2.Geodynamics Research Center, Ehime University, 3.Japan Synchrotron Radiation Research Institute (JASRI/SPring-8), 4.Tokyo Institute of Technology)




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