About KOSAKA YUKIKO
About HORIKAWA KEIJI
About ASAHARA YOSHIHIRO
About 日本地質学会学術大会講演要旨
About Sea of Japan
About fossil
About neodymium isotope
About deep water
About Pacific Ocean
About Spicule
About Tsugaru Strait
About Soya Strait
About back-arc basin
About Japanese Archipelago
About 大和堆
About Nd isotope
About Geological structure and tectonics
About Isotope geology
About 魚
About 歯
About 骨片
About 化石
About ネオジム同位体比
About 推察
About 日本海
About 北海道
About 本州
About 弧
About テクトニクス
About 関連性