Session Details
T6[Topic] Subduction zones and on-land accretionary complexes
Mon. Sep 14, 2026 3:00 PM - 5:45 PM JST
Mon. Sep 14, 2026 6:00 AM - 8:45 AM UTC
Mon. Sep 14, 2026 6:00 AM - 8:45 AM UTC
oral room 4(Lecture room B)
Chiar:Takeru Yoshimoto, Fuka Takuwa
[T6-O-5](Invited) Basement topography and accretionary prism structure along the entire Nankai Trough revealed by dense seismic surveys
*Kazuya Shiraishi1, Ryuta Arai1, Yasuyuki Nakamura1, Gou Fujie1 (1. JAMSTEC)
[T6-O-6]Healing and high-velocity frictional properties of plate-boundary pelagic clay
*Kohtaro UJIIE1, Matt IKARI2, Junli ZHANG2, Hanaya OKUDA3, Rina FUKUCHI4, Suzu NAZUKA1, Asuka YAMAGUCHI5 (1. University of Tsukuba, 2. University of Bremen, 3. Japan Agency for Marine-Earth Science and Technology, 4. Naruto University of Education, 5. University of Tokyo)
[T6-O-7]Reduction of hydrocarbon and organic carbon associated with short-duration heating
*Yuzuru Yamamoto1, Takehiro Hirose2, Yuino Kobayashi1, Stephen Bowden3 (1. Kobe University, 2. JAMSTEC, 3. Aberdeen University)
[T6-O-8]Drilling Sub-Seafloor Petit-Spot Basalts: Latest Results from IODP3 Expedition 502
*Asuka Yamaguchi1, Hiroko Kitajima2, Natsumi Okutsu3, Shipboard Scientists Expedition 502 (1. Atmosphere and Ocean Research Institute, the University of Tokyo, 2. Texas A&M University, 3. JAMSTEC)
Break
[T6-O-9]Rock Magnetic Evidence for Localized Physicochemical Changes in Fault Gouge from the Shallow Japan Trench Accretionary Wedge
*Taizo UCHIDA1, Hirokuni Oda2, Hiroshi Kawabata1, Toshiya Kanamatsu3, Sara Satolli4, Takeru Yoshimoto5, Masao Iwai6, Minori Hagino7, Yoshitaka Hashimoto1 (1. Kochi University, 2. Institute of Geology and Geoinformation, Geological Survey of Japan, AIST, 3. Japan Agency for Marine-Earth Science and Technology, 4. University of Chieti-Pescara , 5. Kobe University, 6. Kochi University Marine Core Research Institute, 7. Yamagata University)
[T6-O-10]Origin of fluids around the 2011 Tohoku-Oki Earthquake fault : Carbon isotopes of methane and dissolved inorganic carbon
*Shoma SHIMIZU1, Akira IJIRI1, Tsuyoshi ISHIKAWA2 (1. Graduate School of Maritime Sciences, KOBE UNIVERSITY, 2. Japan Agency for Marine-Earth Science and Technology)
[T6-O-11]Evaluation of fluid pressure fluctuations in the updip limit of the seismogenic zone using oscillatory zoning of quartz veins in the Mugi mélange, Shimanto Belt
*Manato AKISHIBA1, Otgonbayar DANDAR1, Ryosuke OYANAGI1, Asuka YAMAGUCHI2, Yoshiro NISHIO3, Andrew SMYE4, Donald FISHER4, Maureen FEINEMAN4, Atsushi OKAMOTO1 (1. Tohoku Univ., 2. AORI, Univ. of Tokyo, 3. Kochi Univ., 4. Pennsylvania State Univ.)
[T6-O-12]Heterogeneity of Stress and Fluid Pressure Ratio in a Tectonic Mélange Constrained by Geothermal Gradients
*Takahiro HOSOKAWA1, Sora HIRAOKA1, Kazuki HONDA1, Hiroki INUI1, Yoshitaka HASHIMOTO1 (1. Kochi University)
[T6-O-13]Estimation of stress conditions and driving pressure ratios from quartz veins developed along ancient subduction interfaces: example from the Tamba Belt, southwest Japan
*Kotaro ISHIDA1,2, Katsushi SATO1, Toshiki HAJI2 (1. Graduate School of Science, Kyoto University, 2. Geological Survey of Japan, AIST)