[S-GC46] Solid Earth Geochemistry, Cosmochemistry

[SGC46-P02] Geochemical and Nd–Sr isotopic characteristics of Aitutaki peridotite xenoliths, Cook Islands: Insights into mantle composition near the lithosphere–asthenosphere boundary

*Masako Yoshikawa¹, Norikatsu Akizawa¹, Akihiro Tamura², Tomoaki Morishita² (1. Department of Earth and Planetary systems Science, Hiroshima University, 2. Institute of Science and Engineering Faculty of Natural System, Kanazawa University)

Keywords:Aitutaki peridotite xenolith, lithosphere-asthenosphere boundary, small scale mantle convection, mantle metasomatism