"Norikatsu Akizawa,ΐ W,OH C,Olivier Alard,Yoann Gr?au,Naoto Hirano,Shiki Machida","Geochemical stratigraphy of oceanic lithosphere reconstructed by spinel/garnet peridotite xenoliths from petit-spots in the northwestern Pacific","Japan Geoscience Union Meeting 2023",,,,,,2023,May "Yuka Niwa,Akira Ishikawa,Norikatsu Akizawa","A thermal structure of oceanic lithosphere constrained from mantle xenoliths from the petit-spot volcano","Japan Geoscience Union Meeting 2022",,,,,,2022,May "Norikatsu Akizawa,Akira Ishikawa,Tetsu Kogiso","Petrographical and geochemical characteristics of mantle xenoliths from Tahiti and Moorea Islands: An insight into oceanic lithosphere accretion","XXII Meeting of the International Mineralogical Association",,,,,,2018,Aug.