[S-GC46] Solid Earth Geochemistry, Cosmochemistry

[SGC46-P03] Osmium isotopes and highly siderophile element constraints on EM-1 mantle components: insights from Pitcairn Island basalts, South Pacific

*Kazuto Mikuni^1,2, Akira Ishikawa¹, Ryoko Senda³, Takeshi Hanyu⁴, Takashi Miyazaki⁴, Kenji Shimizu⁴, Hikaru Iwamori⁵, Takahiro Ozawa¹, Tetsuya Yokoyama¹ (1. Institute of Science Tokyo, 2. Geological Survey of Japan, AIST, 3. Kyushu University, 4. JAMSTEC, 5. The University of Tokyo)

Keywords:Osumium isotope, Ocean island basalt, Pitcairn hotspot, Highly siderophile element