[1oral501-10] T2. History of Earth

11:45 AM - 12:00 PM JST(2:45 AM - 3:00 AM UTC)entryECS

[T12-O-10] Seawater Osmium isotopic record during the Deccan flood basalt eruption event in the Indian Ocean

*Hayu OTA¹, Junichiro KURODA¹, Maria Luisa Tejada², Katsuhiko SUZUKI², Yusuke KUBO³, Akira ISHIKAWA⁴ (1. Atmosphere and Ocean Research Institute, the University of Tokyo, 2. Japan Agency for Marine-Earth Science and Technology, 3. Kochi Institute for Core Sample Research, Japan Agency for Marine-Earth Science and Technology, 4. Department of Earth and Planetary Sciences, Institute of Science Tokyo)

Keywords:

K-Pg boundary,Deccan flood basalt eruption,Osmium isotope ratio,Indian Ocean