Hidenori Kumagai

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Speaker, Author, Co-Author

Thu. May 25, 2023 1:45 PM - 3:15 PM Online Poster Zoom Room (7) (Online Poster)

[J] Online Poster
| S (Solid Earth Sciences )
| S-GL Geology

[S-GL21] Geochronology and Isotope Geology

1:45 PM - 3:15 PM

[SGL21-P05] The noble gas isotopic fractionations of volcanic rocks and their effect on ages

*Keiko Sato^1,2, Hidenori Kumagai², Naoyoshi Iwata³, Takahiro Tagami⁴ (1.Sakura no Seibo Junior College, 2.JAMSTEC, 3.Yamagata Universitiy, 4.Kyoto University)

Wed. May 24, 2023 10:45 AM - 12:00 PM 303 (International Conference Hall, Makuhari Messe)

[J] Oral
| S (Solid Earth Sciences )
| S-VC Volcanology

[S-VC34] Volcanoes in the Sea

11:45 AM - 12:00 PM

[SVC34-10] Revisiting to seawater contributions to volcanics in Mid-Ocean Ridges and in back-arc spreading center

*Hidenori Kumagai^1,2 (1.Gakushuin Wemen’s College, 2.Japan Agency for Marine-Earth Science and Technology)

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-P07] Hydrothermal plume survey at Higashi-Aogashima Knoll Caldera in the Izu-Bonin arc by shipboard multi-beam echo sounder

*Junji Kaneko¹, Takafumi Kasaya¹, Tatsuo Nozaki¹, Kazuhide Mimura², Youhei Sugimoto³, Hidenori Kumagai¹, Kentaro Nakamura⁴ (1.Japan Agency for Marine-Earth Science and Technology, 2.Chiba Institute of Technology, 3.NIPPON MARINE ENTERPRISES, 4.The University of Tokyo)

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.)

Tue. May 23, 2023 10:45 AM - 12:15 PM Online Poster Zoom Room (19) (Online Poster)

[J] Online Poster
| B (Biogeosciences )
| B-CG Complex & General

[B-CG06] Rock-Bio Interactions and its Applications

10:45 AM - 12:15 PM

[BCG06-P06] Revealing the black component on the eggshell of "black eggs" from Owakudani, Hakone Hot Springs, Japan

Rintaro Kimura¹, Kazutaka Mannen², Hidenori Kumagai³, Yohei Matsui³, Motoko Igisu³, *Yoshinori Takano³ (1.Hiroo Gakuen Junior and Senior High School, 2.Hot Springs Research Institute of Kanagawa Prefecture, 3.Japan Agency for Marine-Earth Science and Technology (JAMSTEC))