About GENDA Hidenori
About Earth-Life Sci. Inst., Tokyo Inst. of Technol.
About Geochemical Journal
About ocean
About planetary evolution
About earth(the globe)
About abundance of element
About Water
About hydrogen isotope
About water balance
About geological history
About crustal material
About mantle material
About core material
About planet formation
About protoearth
About planet
About early earth
About Planets
About Geochemistry in general
About Internal structure and composition of the earth
About 地球
About 海洋
About 起源
About 水
About 全量
About 履歴
About 評価