[M-GI32] Cretaceous Earth Dynamics and Climate in Asia: Insights from IGCP Project 679

[MGI32-02] Osmium isotopic record across the Aptian–Albian boundary in the Lower Cretaceous Sanchu Group, central Japan

*Yui Tsukada¹, Hironao Matsumoto¹, Shigehiro Fujino¹, Katsuhiko Suzuki², Takashi Sano³, Kotaro Shirai⁴, Ryuji Hattori⁴, Mahiro Yumiba⁴, Toshikazu Furuya⁴, Nanase Shinomiya⁴, Kazutada Tsuda⁴ (1. University of Tsukuba, 2. Japan Agency for Marine-Earth Science and Technology, 3. National Museum of Nature and Science, 4. Atmosphere and Ocean Research Institute, The University of Tokyo)

Keywords:Aptian–Albian boundary, Lower Cretaceous, Oceanic Anoxic Event 1b, Osmium isotope stratigraphy, Sanchu Group