Japan Geoscience Union Meeting 2023

Session information

[E] Online Poster

S (Solid Earth Sciences ) » S-GC Geochemistry

[S-GC37] Volatiles in the Earth - from Surface to Deep Mantle

Wed. May 24, 2023 3:30 PM - 5:00 PM Online Poster Zoom Room (3) (Online Poster)

convener:Takeshi Hanyu(Japan Agency for Marine-Earth Science and Technology, Research Institute for Marine Geodynamics), Yama Tomonaga(University of Basel), Hirochika Sumino(Research Center for Advanced Science and Technology, The University of Tokyo), Yuji Sano(Center for Advanced Marine Core Research, Kochi University )

On-site poster schedule(2023/5/23 17:15-18:45)

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.

3:30 PM - 5:00 PM

*Toshiro Yamanaka1, Arisa Sakamoto1, Yuji Onishi7, Ji-Hoon Kim2, Lucie C. Pastor3, Andreas P. Teske4, Daniel Lizarralde5, Tobias W. Höfig6, Scientific Party IODP Exp. 385 (1.Tokyo University of Marine Science and Technology, 2.Korea Institute of Geoscience and Mineral Resources, 3.French Research Institute for Exploitation of the Sea (Ifremer), 4.University of North Carolina at Chapel Hill, 5.Woods Hole Oceanographic Institution, 6.Texas A&M University, 7. Research Institute for Humanity and Nature)

3:30 PM - 5:00 PM

*Wonhee Lee1, Hyunwoo Lee1, Heejun Kim1, Jungpyo Hong1,2, Jeonghoon Lee3, Hyejung Jung3, Naoto Takahata4, Yuji Sano4,5 (1.School of Earth and Environmental Sciences, Seoul National University, Republic of Korea, 2.Department of Earth and Environmental Sciences, University of Michigan, Ann Arbor, Michigan, USA, 3.Department of Science Education, Ewha Womans University, Republic of Korea, 4.Atmosphere and Ocean Research Institute, University of Tokyo, Japan, 5.Center for Advanced Marine Core Research, Kochi University, Japan)


3:30 PM - 5:00 PM

*Jeongyeon Yu1, Heejun Kim1, Jeonghoon Lee2, Hyejung Jung2, Naoto Takahata3, Yuji Sano3,4, Hyunwoo Lee1 (1.School of Earth and Environmental Sciences, Seoul National University, Republic of Korea, 2.Department of Science Education, Ewha Womans University, Seoul, Republic of Korea, 3.Atmosphere and Ocean Research Institute, University of Tokyo, Japan, 4.Center for Advanced Marine Core Research, Kochi University, Japan)

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