The 131st Annual Meeting of the Geological Society of Japan
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Session OralT6 ［Topic Session］From magma source and magma plumbing system to volcano formation）

[2oral601-11]T6 ［Topic Session］From magma source and magma plumbing system to volcano formation）

Mon. Sep 9, 2024 8:45 AM - 12:00 PM JST
Mon. Sep 9, 2024 11:45 PM - 3:00 AM UTC
oral-06(General Education_Section1-133)
Chiar:Satoshi SAITO(Department of Earth Sciences, Graduate School of Science and Engineering, Ehime University), Keisuke ESHIMA(Yamaguchi University, Graduate school of Sciences and Technology for Innovation), Yuki Kusano
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8:45 AM - 9:00 AM JST(11:45 PM - 12:00 AM UTC)

[T6-O-1]Magmatic evolution of the Kikai caldera inferred from zircon chronology and its trace elements

*Hisatoshi ITO1 (1. Central Research Institute of Electric Power Industry)
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9:00 AM - 9:15 AM JST(12:00 AM - 12:15 AM UTC)

[T6-O-2]Holocene eruption history of Rishiri volcano, northern Hokkaido, Japan

*Mitsuhiro NAKAGAWA1, Hajime TANIUCHI2, Yoshihiro ISHIZUKA2 (1. Graduate School of Science, Hokkaido University, 2. Geological Survey of Japan, AIST)
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9:15 AM - 9:30 AM JST(12:15 AM - 12:30 AM UTC)

[T6-O-3]Holocene volcanic activity of Iwaki Volcano

*Hajime TANIUCHI1, Ryuta FURUKAWA1, Teruki OIKAWA1, Masao BAN2 (1. Geological Survey of Japan, AIST, 2. Faculty of Science, Yamagata University)
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9:30 AM - 9:45 AM JST(12:30 AM - 12:45 AM UTC)

[T6-O-4]Characterization of optimal lava flow textures for 40Ar/39Ar and K-Ar dating at Pleistocene volcanoes

*Chris Conway1, Seiko Yamasaki1, Osamu Ishizuka1, Yumiko Harigane1 (1. Geological Survey of Japan)
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9:45 AM - 10:15 AM JST(12:45 AM - 1:15 AM UTC)Highlight

[T6-O-5][Invited]Magma evolution prior to eruption: evidences from petrologic and geochemical research connecting magma source and volcanic sink under active worldwide volcanoes

*Antonio M Álvarez Valero1 (1. University of Salamanca)
【ハイライト講演】火山噴火に至るまで地下ではいったい何がおきているのであろうか？時に災害をもたらす火山噴火を予測するためには，その準備過程の理解が必要不可欠である．本講演では，スペイン・サラマンカ大学のアントニオ アルバレツ教授により，日本・南極・ニュージーランド・アイスランドなど世界各地の活火山について，火山噴火の際のマグマ供給系の構成や機能，マグマの進化過程に関する研究成果を紹介していただく．（ハイライト講演とは．．．）
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10:15 AM - 10:30 AM JST(1:15 AM - 1:30 AM UTC)

[2oral601-11-6add]Break

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10:30 AM - 10:45 AM JST(1:30 AM - 1:45 AM UTC)ECS

[T6-O-6]Generation of primary magmas in Futamatayama volcano, Nasu volcano group, Japan: Ascending and melting of mélange diapir

*Shota Watanabe1,2, Takeshi Hasegawa2 (1. Mount Fuji Research Institute, 2. Graduate School of Science and Engineering, Ibaraki University)
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10:45 AM - 11:00 AM JST(1:45 AM - 2:00 AM UTC)

[T6-O-7]Igneous rocks from Agulhas Plateau, SW Indian Ocean, drilled during IODP Expedition 392: Study of petrological characteristics and magma source

*Kouki MORI1, Yuji Ichiyama1, Osamu Ishizuka1, Jörg Geldmacher2, Peter Cameron Davidson2, Jia Liu3 (1. Chiba Univ., 2. GEOMAR, 3. Zhejiang Univ.)
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11:00 AM - 11:15 AM JST(2:00 AM - 2:15 AM UTC)

[T6-O-8]Growth process and cooling history of granite intrusion constrained by field observations: the example of the Kinpusan pluton

*Ken YAMAOKA1, Daichi Murakami3, Hiroshi Mori3, Tokiyuki Morohoshi2 (1. National Institute of Advanced Industrial Science and Technology, 2. The University of Tokyo, 3. Shinshu University)
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11:15 AM - 11:30 AM JST(2:15 AM - 2:30 AM UTC)ECS

[T6-O-9]Growth processes and the implications for the isolated small-scale pluton that member of the Cretaceous Northern Kyushu batholith

*Keisuke ESHIMA1, Masaaki OWADA1 (1. Yamaguchi University, Graduate school of Sciences and Technology for Innovation)
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11:30 AM - 11:45 AM JST(2:30 AM - 2:45 AM UTC)

[T6-O-10]Estimation of melt water contents and pressures for granitic magma using melt inclusions in zircon

*Satoshi SAITO1, Yuka Taniwaki2, Taichi Kawashima1 (1. Department of Earth Sciences, Graduate School of Science and Engineering, Ehime University, 2. Ciatec.,Co LTD)
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11:45 AM - 12:00 PM JST(2:45 AM - 3:00 AM UTC)

[T6-O-11]Origin of Late Cretaceous syenites and associated granitoids in the Iwagijima Island, Southwest Japan: Evaluation from bulk-rock geochemistry and zircon chronology

*Wataru Fujisaki1, Kanta Sato1, Yusuke Sawaki2, Hisashi Asanuma3 (1. Faculty of Life and Environmental Sciences, University of Tsukuba, 2. Department of Earth Science and Astronomy, The University of Tokyo, 3. Graduate School of Human and Environmental studies, Kyoto University)
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