Petrological and geochemical characteristics of the oceanic lithosphere in the South Pacific as indicated by mantle xenoliths from Tubuai and Samoa Islands

Fuku Fukase

Presentation information

[J] Oral

S (Solid Earth Sciences ) » S-CG Complex & General

[S-CG70] Ocean Floor Geoscience

Fri. May 29, 2026 1:45 PM - 3:15 PM Convention Hall (CH-B) (International Conference Hall, Makuhari Messe)

Chairperson:Yoshimura Yutaka(Faculty of Social and Cultural Studies, Kyushu University), Matsuyama Kazuki(Department of Earth and Planetary Sciences, GSES, Nagoya University)

2:15 PM - 2:30 PM

[SCG70-18] Petrological and geochemical characteristics of the oceanic lithosphere in the South Pacific as indicated by mantle xenoliths from Tubuai and Samoa Islands

Fuku Fukase¹, *Tetsu Kogiso¹, Akira Ishikawa², Norikatsu Akizawa³, Akihiro Tamura⁴, Tomoaki Morishita⁴, Ikuya Nishio³, Yuka Niwa², Yuya Sugiyama² (1. Kyoto Univ., 2. Science Tokyo, 3. Hiroshima Univ., 4. Kanazawa Univ.)

Keywords:peridotite, hot spot, superplume, mantle xenolith, oceanic lithosphere