Session Oral

G-1．sub-Session 01

[1oral601-11] G-1．sub-Session 01

Sun. Sep 17, 2023 9:00 AM - 12:15 PM oral-06 (37-North Wing, Yoshida-South Campus Academic Center Bldg.)

Chiar:Kenji Matsuzaki(Univ. of Tokyo), Daisuke Sato(AIST/GSJ), Atsushi Noda(AIST/GSJ), Tetsuya TOKIWA

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9:00 AM - 9:15 AM

[G1-O-1] Possible widespread occurrence of carbonates in the northern slope area of the Okinawa Trough

*Tomo AOKI¹, Hiroki MINAMI¹, Noriko KAWAMURA², Keita SAITO¹, Tomoki KAWAKAMI¹ (1. Japan Coast Guard, 2. Japan Coast Guard Academy)

9:15 AM - 9:30 AM

[G1-O-2] What factors control the initiation of earthquake-induced turbidity currents: Surface sediment remobilization and seismic strengthening

*Ken IKEHARA¹, Kazuko USAMI², Toshiya KANAMATSU³ (1. Geological Survey of Japan, AIST, 2. Japan NUS Co. Ltd., 3. Japan Agency for Marine-Earth Science and Technology)

9:30 AM - 9:45 AM

[G1-O-3] Mantle peridotite exposure in the Philippine Sea backarc basins and perspective for future research

*Yasuhiko Ohara¹ (1. Hydrographic and Oceanographic Department of Japan, and Japan Agency for Marine-Earth Science and Technology, and Nagoya University)

9:45 AM - 10:00 AM

[G1-O-4] Prediction of Distribution of Subseafloor Shallow Methane Hydrate Induced from Integrated Geophysical Investigation - A Case Study of the knoll in Mogami Trough

*Miho Asada¹, Shogo Komori¹, Toshiyuki Yokota¹ (1. AIST)

10:00 AM - 10:15 AM

[1oral601-11-5add] Break

10:15 AM - 10:30 AM

[G1-O-5] Characteristics of cetacean fossils in the Miocene huge concretions and origin of concretions, Unosaki, Oga Peninsula, Akita Prefecture, Northeast Japan

*Kazuo NAGASAWA¹, Akira WATANABE², Hiroyuki SAWAKI³, Hitoshi WATANABE⁴, Takayuki KAWABE⁵ (1. Yamagata Prefectural Museum, 2. former Akita Prefectural Museum, 3. Guide Association for the Oga Peninsula-Ogata Geopark, 4. Akita Prefectural Museum, 5. former Yamagata University)

10:30 AM - 10:45 AM

[G1-O-6] Generation, expulsion, and migration of thermogenic methane and hydrogen in the subduction zone

*Noriyuki Suzuki¹, Kotaro Koike², Jun Kameda¹, Gaku Kimura³ (1. Earth and Planetary Science, Faculty of Science, Hokkaido University, 2. Natural History Science, Graduate School of Science, 3. Japan Agency for Marine-Earth Science and Technology (JAMSTEC))

10:45 AM - 11:00 AM

[G1-O-7] Sedimentary and organic geochemical characterization of turbiditic and hemipelagic mudstones of the Pliocene Kiyosumi Formation, Boso Peninsula, Japan

*Yoshihiro Kase¹, Hiroyasu Asahi^2,3, Ken Sawada³, Makoto Ito⁴ (1. Hokkaido Research Organization, 2. Shimokita Geopark Promotion Division, 3. Hokkaido Univ., 4. Chiba Univ.)

11:00 AM - 11:15 AM

[1oral601-11-9add] Break

11:15 AM - 11:30 AM

[G1-O-8] Formation process of pseudotachylyte within the Asuke shear zone in the Ryoke metamorphic belt, Aichi Prefecture

Tomohiro ISHII¹, *Katsuyoshi MICHIBAYASHI¹ (1. Graduate School of Environmental Studies, Nagoya University)

11:30 AM - 11:45 AM

[G1-O-9] Reproduction of deformed structures by scaled models: from recent developments in experimental materials.

Luigi Massaro¹, Jurgen Adam¹, *Yasuhiro YAMADA^1,2 (1. Royal Holloway University of London, 2. Kyushu University)

11:45 AM - 12:00 PM

[G1-O-10] (entry) Strain distribution inside the granular material depend on strain rate and fracture strength variations

★「日本地質学会学生優秀発表賞」受賞★

*Nobuaki YATSUZUKA¹, Ryota TSUKIMATA, Arito SAKAGUTI¹ (1. Yamaguchi University Graduate School of Sciences and Technology for Innovation)

12:00 PM - 12:15 PM

[G1-O-11] Structural analysis of lineaments developed in the Shimanto Belt in the Kitayama river basin of the Kii Peninsula

*Katsumi KIMURA¹, Makoto KANEKO¹, Teruyuki KIKUCHI² (1. Fukada Geological Institute, 2. Suwa University of Science)

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