[1ch417-22] R7 [Regular Session]Cenozoic geological records of Japan

Sat. Sep 4, 2021 2:30 PM - 4:00 PM ch4 (ch4)

Chiar:Jun Hosoi, Toshiki Haji

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2:30 PM - 2:45 PM

[R7-O-1] Eocene to Miocene tectonics in the Amakusa area at the junction of the SW Japan and Ryukyu arcs

*Kentaro Ushimaru¹, Atsushi Yamaji¹ (1. Division of Earth and Planetary Sciences, Graduate School of Science, Kyoto University)

2:45 PM - 3:00 PM

[R7-O-2] Early Miocene two-phase subsidence of the Ichishi basin, SW Japan

*HIDEKI KINOSHITA^1,2, ATSUSHI YAMAJI¹ (1. Division of Earth and Planetary Sciences, Kyoto University, 2. oyo corporation, water and disaster engineering business division)

3:00 PM - 3:15 PM

[R7-O-3] Period of activities of the Setouchi Volcanic Rocks in the Kii Peninsula

*Hironao Shinjoe¹, Yutaka Wada², Yuji Orihashi³ (1. Tokyo Keizai University, 2. Department of Earth Sciences, Nara University of Education, 3. Graduate School of Earth and Environmental Sciences, Hirosaki University)

3:15 PM - 3:30 PM

[R7-O-4] Origin and water depth of a quite peculiar limestone and paleoecologic system of Bathymodiolus in the Miocene Taishu Group, southwestern Japan

*Takashi Ninomiya¹, Toshiro Yamanaka², Shoichi Shimoyama³, Yuichiro Miyata⁴, Takashi Shimazu⁵, Sho Taniguchi⁶, Takahiro Aoki⁷, Tamio Nishida³, Toshihiro Takahashi⁵ (1. Kyushu Univ., 2. Tokyo Univ. of Marine Sci. & Tech., 3. Saga Univ., 4. Yamaguchi Univ., 5. JAPEX, 6. HAZAMA ANDO CORPORATION, 7. Shinwa Techno, Co., Ltd.)

3:30 PM - 3:45 PM

[R7-O-5] Crustal rotation in western Tsugaru in northern Honshu

*Hiroyuki HOSHI¹, Motoharu Kuno² (1. Aichi University of Education, 2. Graduate, Aichi University of Education)

3:45 PM - 4:00 PM

[R7-O-6] Estimation of the age when the direction of the drainage from the Kobiwako basin changed

*Yasufumi Satoguchi¹ (1. Lake Biwa Museum)

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