Hideaki Machiyama

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Speaker, Author, Co-Author

Wed. May 24, 2023 1:45 PM - 3:15 PM Online Poster Zoom Room (6) (Online Poster)

[J] Online Poster
| S (Solid Earth Sciences )
| S-CG Complex & General

[S-CG52] Ocean Floor Geoscience

1:45 PM - 3:15 PM

[SCG52-P23] Mineralogical and geochemical study of sediment cores collected from the Higashi Ensei hydrothermal field in the Okinawa Trough

*Jun-ichiro Ishibashi¹, Shuhei Totsuka Shiiki^2,6, Yuki Inoue³, Yusuke Ohta⁴, Hideaki Machiyama⁵, Koichi Iijima⁵, Takafumi Kasaya⁵, Hidenori Kumagai⁵ (1.Kobe Univ. Ocean-bottom Exploration Center, 2.Geological Survey of Japan, AIST, 3.Graduate School of Science, Kyushu Univ., 4.Res. Ctr. for Seismology, Volcanology, Disaster Mitigation, Nagoya Univ., 5.Submarine Resources Res. Ctr., JAMSTEC, 6.Sumitomo Metal Mining Co., Ltd.)

Mon. May 22, 2023 10:45 AM - 12:15 PM Online Poster Zoom Room (8) (Online Poster)

[J] Online Poster
| M (Multidisciplinary and Interdisciplinary)
| M-IS Intersection

[M-IS19] Biogeosciences of cold seeps, mud volcanoes, and hydrothermal vents

10:45 AM - 12:15 PM

[MIS19-P03] Single-channel seismic structure of mud volcanoes on the landward slope of Ryukyu Trench off Tanegashima island

*Hironori Otsuka¹, Kazuya Kitada², Akira Ijiri¹, Koichi Iijima², Hideaki Machiyama², Fujio Yamamoto², Fumio Inagaki² (1.Kobe University, 2.JAMSTEC)