[H-RE12] 海底鉱物資源とその陸上アナログ

[HRE12-P08] Regional distribution of Miocene impact ejecta layers around Minamitorishima Island revealed by the Os isotope

*Mindaleva Diana¹, Tatsuo Nozaki^1,2, Kazuhide Mimura³, Moei Yano^3,2, Junichiro Ohta², Fiona Segolame Motswaiso⁴, Koichi Iijima⁴, Kazutaka Yasukawa², Kentaro Nakamura^2,3, Yasuhiro Kato^2,3 (1. Waseda Univ., 2. Univ. of Tokyo, 3. Chiba Institute of Technology, 4. JAMSTEC)

キーワード：pelagic clay, bulk geochemistry, Os isotopic ratio, Miocene ejecta layer, Minamitorishima Island, Western North Pacific Ocean