T18[Topic] History of the Earth

[T18-P-14] Stratigraphy across the Lower-Upper Cretaceous boundary and numerical ages of the Yezo Group in the Oyubari and Shumarinai areas, Hokkaido, Japan

*Reishi Takashima¹, Brad S Singer², Mark Schmitz³, Youjuan Li⁴, David Selby⁵ (1. Tohoku University, 2. Wisconsin, 3. Boise State University, 4. Chinese Academy of Sciences, 5. Durham University)

Keywords:

Cretaceous,Yezo Group,Geologic Time Scale