About HASEGAWA RYO
About ISOZAKI YUKIO
About TSUTSUMI YUKIYASU
About 日本地質学会学術大会講演要旨
About Cretaceous Period
About zircon
About hinterland
About uranium-thorium-lead dating
About sandstone
About Kanto District
About shallow marine sediment
About Tohoku District
About detrital zircon
About Northern Kanto District
About Dating
About 北関東
About 白亜系
About 後背地
About 砕屑性ジルコン
About U-Pb年代