Poster Session

C-4: Physics and chemistry of melt and fluid and their roles in volcanic and igneous processes.

Sat. Aug 19, 2023 5:30 PM - 7:00 PM C4 (Poster)

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[PC4-01] Molecular-scale structural changes of silicate melts under tension revealed by time-resolved X-ray diffraction

*Satoshi Okumura¹, Kentaro Uesugi², Akio Goto¹, Atsuko Namiki³, Kazuhisa Matsumoto¹, Tatsuya Sakamaki¹ (1. Tohoku University (Japan), 2. SPring-8/JASRI (Japan), 3. Nagoya University (Japan))

[PC4-02] Magma formation and water budget of the Naruko caldera, NE Honshu

*Alexey Kotov¹, Satoshi Okumura², Kenji Shimizu⁴, Isoji Miyagi³, Masaoki Uno¹, Noriyoshi Tsuchiya¹, Geri Agroli¹ (1. Graduate School of Environmental Studies, Tohoku University (Japan), 2. Graduate School of Science, Tohoku University (Japan), 3. Research Institute of Earthquake and Volcano Geology, Geological Survey of Japan, AIST (Japan), 4. Kochi Institute for Core Sample Research, Japan Agency for Marine-Earth Science and Technology (JAMSTEC) (Japan))

[PC4-03] Sulfur dioxide emission rate from the 2021 eruption of Fukutoku-Oka-no-Ba submarine volcano, Japan

*Masaaki Morita^1,2, Toshiya Mori¹, Ryunosuke Kazahaya² (1. Univ. Tokyo (Japan), 2. GSJ, AIST (Japan))

[PC4-04] Noble gas abundance and isotope ratios dissolved in lake and spring water at an active volcano, Mt. Zao, Japan, using new apparatus

*Keiko Sato^1,3, Hidenori Kumagai^2,3 (1. Sakura no Seibo Junior College (Japan), 2. Gakushuin Women's College (Japan), 3. Submarine Resources Research Center, JAMSTEC (Japan))

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