All abstracts by Yoichi Usui in conference series: Goldschmidt

(2020) Fish Debris and Rare-Earth Deposition Event in the Latest Eocene Revealed by Osmium Isotope Stratigraphy
Ohta J, Yasukawa K, Nozaki T, Takaya Y, Mimura K, Fujinaga K, Nakamura K, Usui Y, Kimura J-I, Chang Q & Kato Y

(2019) Origin of REY-Rich Mud in the North Pacific Ocean Constrained from Bulk Geochemistry and Depositional Age
Mimura K, Yamamoto K, Nakamura K, Yasukawa K, Ohta J, Fujinaga K, Machida S, Usui Y & Kato Y