[S1] S1: Dynamics of igneous processes (Special Session, Joint Session with The Volcanological Society of Japan) | 2025 Annual Meeting of Japan Association of Mineralogical Sciences (JAMS)

2025 Annual Meeting of Japan Association of Mineralogical Sciences (JAMS)

Session Details

Oral presentationS1: Dynamics of igneous processes (Special Session, Joint Session with The Volcanological Society of Japan)

S1: Dynamics of igneous processes (Special Session, Joint Session with The Volcanological Society of Japan)

Wed. Sep 10, 2025 3:00 PM - 6:00 PM JST
Wed. Sep 10, 2025 6:00 AM - 9:00 AM UTC

Oral Presentation C(Room No. 28)

Chairperson:Shumpei Yoshimura(Department of Earth and Planetary Sciences, Faculty of Science, Hokkaido University), Yuto Sato(Kochi Institute for Core Sample Research, X-star, JAMSTEC)

3:00 PM - 3:05 PM JST(6:00 AM - 6:05 AM UTC)

[1Oral312-19-1add]コンビーナ挨拶

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3:05 PM - 3:30 PM JST(6:05 AM - 6:30 AM UTC)Invited Lecture

[S1-01]Ultrananolite crystallization mechanism: Insights from in-situ FE-SEM observation of heating experiments

*Mayumi MUJIN¹, Michihiko NAKAMURA² (1. Hokkaido University, 2. Tohoku University)

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3:30 PM - 3:55 PM JST(6:30 AM - 6:55 AM UTC)Invited Lecture

[S1-02]Magma vesiculation triggered by the crystallization of Fe-Ti oxide minerals: Example from the Waimihia eruption

*Masatoshi Ohashi¹, Ben Kennedy², Darren Gravley² (1. Kyushu Univ. Sci., 2. Univ. Canterbury)

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3:55 PM - 4:10 PM JST(6:55 AM - 7:10 AM UTC)

[S1-03]Mechanism for repetitive explosive eruptions: New insights from proximal materials of the 2018 eruption at Shinmoedake volcano

*Keiko MATSUMOTO¹, Nobuo GESHI² (1. GSJ, AIST, 2. Kyushu univ.)

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4:10 PM - 4:25 PM JST(7:10 AM - 7:25 AM UTC)

[S1-04]Crystallization kinetics of andesitic magmas during the cyclic Vulcanian eruptions at Sakurajima Volcano

Aulia Syafitri^1,2, *Michihiko NAKAMURA¹, Naoki Araya^1,3, Mayumi Mujin^1,4, Daisuke Miki⁵, Masato Iguchi⁵ (1. Tohoku Univ. Sci., 2. PVMBG, 3. AIST, GSJ, 4. Hokkaido Univ. Sci., 5. Kyoto Univ. DPRI.)

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4:25 PM - 4:40 PM JST(7:25 AM - 7:40 AM UTC)

[1Oral312-19-6add]休憩

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4:40 PM - 4:55 PM JST(7:40 AM - 7:55 AM UTC)

[S1-05]Dissolution experiments of HCl-H2O fluids in a rhyolitic melt

*Daisuke Fujiwara¹, Shumpei Yoshimura¹ (1. Hokkaido Univ. Sci)

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4:55 PM - 5:10 PM JST(7:55 AM - 8:10 AM UTC)

[S1-06]Degassing of a basaltic enclave inferred from spatial distribution of volatiles

*Shumpei Yoshimura¹ (1. Hokkaido University)

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5:10 PM - 5:25 PM JST(8:10 AM - 8:25 AM UTC)

[S1-07]Macrorheology and molecular-scale structure of silicate melt under shear

*Satoshi OKUMURA¹, Kentaro Uesugi², Akio Goto¹, Kazuhisa Matsumoto¹, Tatsuya Sakamaki¹, Masahiro Yasutake² (1. Tohoku University, 2. JSRI/SPring-8)

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5:25 PM - 5:40 PM JST(8:25 AM - 8:40 AM UTC)

[S1-08]Petrographic characteristics of ultramafic xenoliths from Lanyu Island, Taiwan, northern part of the Luzon Volcanic Arc

*Tomoaki MORISHITA^1,5, Ko Koguchi¹, Takuma Araki¹, Norikatsu Akizawa², Akihiro Tamura¹, Yumiko Harigane³, Tomoyuki Mizukami¹, Kenirhico Tani⁴ (1. Kanazawa University, 2. Hiroshima University, 3. The National Institute of Advanced Industrial Science and Technology, 4. National Museum of Nature and Science, 5. JAMSTEC)

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5:40 PM - 6:00 PM JST(8:40 AM - 9:00 AM UTC)

調整

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