Session Details
[1poster11-35]T2.From magma source and magma plumbing system to volcano formation and hydrothermal alteration
Sun. Sep 14, 2025 1:30 PM - 3:00 PM JST
Sun. Sep 14, 2025 4:30 AM - 6:00 AM UTC
Sun. Sep 14, 2025 4:30 AM - 6:00 AM UTC
T2_poster(General Edu. Build.C, 1-2F)
[T2-P-1]Growth process of orthoclase megacrysts in the Yakushima Granite
*Takuma KAKIUCHI1, Nobuo GESHI1, Atsushi TORAMARU1 (1. Kyushu University)
[T2-P-2]Cathodoluminescence pattern and titanium concentration in quartz in the Shiraishino granodiorite, central Kyushu, Japan: Implication on the crystallization process of quartz in magma chamber
*Yasuhiro OGITA1,2, Yota JOSAKI1, Takenori KATO3, Takashi YUGUCHI1 (1. Kumamoto Univ., 2. Yamagata Univ., 3. Nagoya Univ.)
[T2-P-3]Simultaneous determination of zircon U-Pb age, titanium concentration, and Th/U in the Shiraishino granodiorite, central Kyushu, Japan: Implication on the cooling process of the magma chamber
*Kakeru SAKAMOTO1, Ogita Yasuhiro2, Sakata Shuhei3, Imura Takumi4, Yokoyama Tatsunori2, Ohno Takeshi5, Yuguchi Takashi1 (1. Kumamoto Univ., 2. JAEA, 3. Univ. Tokyo, 4. Yamagata Univ., 5. Gakushuin Univ.)
[T2-P-4]Growth processes of zircon crystals in a granitic magma chamber, variation in U–Pb age, titanium concentration, and Th/U in relation to internal texture
*Takashi Yuguchi1, Kyoka Endo2, Satoshi Suzuki2, Yasuhiro Ogita3, Shuhei Sakata4, Tatsunori Yokoyama3, Takumi Imura2, Takeshi Ohno5, Eiji Sasao3 (1. Kumamoto Univ., 2. Yamagata Univ., 3. JAEA, 4. Earthquake Research Institute, Univ. Tokyo, 5. Gakushuin University)
[T2-P-5]Description of melt inclusions in zircon from the Quaternary Kurobegawa granite
*Yuichi Taguchi1, Satoshi SAITO2 (1. Department of Earth Sciences, Faculyy of Science, Ehime University, 2. Graduate School of Science and Engineering, Ehime University)
[T2-P-6]Estimation of magma solidification depth using melt inclusions in zircon for the Habu granitoid pluton, Sanyo Belt
*Shiori Kumagai1, Satoshi Saito1 (1. Ehime University. Sci.)
[T2-P-7]Alternative Source Model for Local Seafloor Pressure Changes Observed in the Shallower Extension of the Tonankai Earthquake
*Keisuke Ariyoshi1, Akira Nagano1, Takuya Hasegawa2, Masaru Nakano1, Hiroyuki Matsumoto1, Narumi Takahashi3, Takane Hori1 (1. JAMSTEC, 2. Japan Meteorological Agency, 3. NIED)
[T2-P-8]Low fluid pressure ratio near the center of radial dikes: A case from the Amakusa Islands, western Japan
*Kentaro USHIMARU1 (1. National Institute of Advanced Industrial Science and Technology (AIST), Geological Survey of Japan)
[T2-P-9]Formation history of Akita-Komagatake, Northeast Japan
*Shota TAJI1, Mitsuhiro NAKAGAWA1, Takeshi WACHI2, Akiko Matsumoto1, Takeshi KURITANI1 (1. Hokkaido University, 2. EnBio Engineering Inc.)
[T2-P-10]Lithology and Stratigraphy of Cretaceous Volcanic rocks distributed in Southeast part of Himeji City,Hyogo Prefecture
*Motoki MOURI1, Masanobu HARADA2 (1. The Inspection for the Geological Committee in Okayama(IGCO) secretariat, 2. Hyogo Koseibitsu Kenkyukai)
[T2-P-11]Preliminary report of petrography and viscosity of pillow lava and pseudo-pillow lava in the Late Miocene-Pliocene Subari andesite at the Tomari coast in Happo town, Akita Prefecture
*Masataka AIZAWA1, Mitsuhiro YASUI2,3, Takumi IMURA4, Takashi HOSHIDE5, Jun HASHIMOTO6, Ryota SAWAFUJI2, Ryo IMAI2, Tomimasa HATAKEYAMA2, Shigeki KODAMA2, Yoshitada ASAKAWA2, Masao BAN4, Shintaro HAYASHI7 (1. Hokkaido Education University, Sapporo Campus, 2. Sohken Consult. Co. Ltd., 3. Guide group of Happo-Shirakami Geopark, 4. Yamagata University, Faculty of Science, 5. Akita University, Graduate School of International Resource Sciences, 6. Geo-work Science, 7. Professor Emeritus, Akita University)
[T2-P-12]A Structural Petrological Study of Peridotite Xenoliths from the Bankawa Area
*Yuma Hirata1, Katsuyoshi Michibayashi1, Akihiro Tamura2, Tomoaki Morishita2, Shoji Arai2 (1. Department of Earth and Planetary Sciences, GSES , Nagoya University, 2. Kanazawa University)
[T2-P-13]Geochemistry of the crustal section of the new spreading segment in the southern Oman ophiolite, and its significance
*Shujiro ARAOKA1, Marie PYTHON1 (1. Hokkaido University)
[T2-P-14]First zircon U-Pb ages of basement granites from Lake Manoun, west-central Cameroon
*Miharu NAKAYASHIKI1, Takeshi HASEGAWA1, Hisatoshi ITO2, Festus Tongwa AKA1 (1. Ibaraki university, 2. Central Research Institute of Electric Power Industry)
[T2-P-15]Emplacement pressure estimates for plutonic rocks distributed in the Inner Zone of Southwest Japan (Chugoku and Shikoku regions) — Using a machine learning-based geothermobarometer for amphibole—
*Kai Nakahashi1, Satoshi SAITO2 (1. Hiruzen Institute for Geology and Chronology Co., Ltd., 2. Graduate School of Science and Engineering, Ehime University)
[T2-P-16]Redox State Estimation of Cretaceous Granitoids in Oshima, Geiyo Islands, Ehime Prefecture
*Kazuya Shimooka1, Satoshi Saito2, Motohiro Tsuboi1 (1. Kwansei-Gakuin University, 2. Ehime University)
[T2-P-17]Formation processes of the Koyama gabbroic body in the Susa area, Yamaguchi Prefecture, Japan
*Tsubasa SHIMADA1, Keisuke ESHIMA2 (1. Yamaguchi University , 2. Graduate School of Science and Technology for Innovation)
[T2-P-18]Lithofacies subdivision of the Oyama Quartz Syenite in the Oki-Dōzen, Japan: Evidence for multistage magmatic activity
*Sena Nakayama1, Shunsuke Endo2 (1. Oki Islands Geopark Management Bureau, 2. Shimane Univ.)
[T2-P-19]Geochemical Study of the Okinoyama and Haga Zoned Plutonic Complexes in the Eastern Chugoku Mountains
*Shota KINAI1, Kazuya SHIMOOKA1, Motohiro TSUBOI1 (1. Kwansei Gakuin University)
[T2-P-20]Lithofacies division and correlation of granitic rocks in the Mizuguchi area, Tottori Prefecture, Japan
*Myu ISOYAMA1, Shunsuke ENDO1 (1. Shimane Univ.)
[T2-P-21]Geochemical study of Late Cretaceous Yasu Granite in southern Part of Lake Biwa Area, Japan
*Kazuki NAKAMURA1, Kazuya SHIMOOKA1, Motohiro TSUBOI1 (1. Kwansei Gakuin Univ.)
[T2-P-22]Petrological characteristics of the Ichifusa-yama granodiorite body in Central Kyushu Mountains.
*Shinsei Sakamoto1, Keisuke ESHIMA2 (1. Yamaguchi Univ., 2. Yamaguchi Univ. Sci. Tech. innov.)
[T2-P-23]North–South compositional changes and growth processes of the Asakura granodiorite, Northern Kyushu, Japan.
*Yudai HAMANO1, Keisuke ESHIMA1, Raiki YAMADA2, Tatsunori YOKOYAMA3, Yasuhiro OGITA3 (1. Yamaguchi Univ. Sci. Tech. innov., 2. AIST, 3. JAEA)
[T2-P-24]Magma diversity of Hakone volcano based on multivariate statistical analysis of lava compositions
*Xin Liao1, Hikaru Iwamori1, Shuhei Sakata1, Masaki Takahashi2, Masashi Nagai 3 (1. Earthquake Research Institute, The University of Tokyo, 2. Department of Earth and Environmental Sciences, College of Humanities and Sciences, Nihon University, 3. National Research Institute for Earth Science and Disaster Resilience)
[T2-P-25]Building a platform for geochemical data in accordance with FAIR principle and development in data-driven analysis
*Jumpei YAMAGUCHI1, Keisuke ESHIMA2 (1. Yamaguchi Uni. Sci., 2. Yamaguhi Univ. Sci. Tech. innov.)