5:30 PM - 5:45 PM
[SGC56-P04_PG] Measuring osmium isotopic composition of natural polycrystalline diamond (carbonado) and implications for its origin
3-min talk in an oral session
*Noriko SHIRAISHI1, Ryoko SENDA2, Hiroyuki KAGI1, Hirochika SUMINO1, Katsuhiko SUZUKI2 (1.Geochemical Research Center, Graduate School of Science, University of Tokyo, 2.Institute for Research on Earth and Evolution, Japan Agency for Marine-Earth Science and Technology)