About SANO Takashi
About National Museum of Nature and Sci., Ibaraki, JPN
About HASENAKA Toshiaki
About Kumamoto Univ., Kumamoto, JPN
About SHIMAOKA Akiko
About Univ. Tokyo, Tokyo, JPN
About FUKUOKA Takaaki
About Rissho Univ., Saitama, JPN
About NAGAI Hisao
About Nihon Univ., Tokyo, JPN
About Geochemical Journal
About island arc
About magma
About volcanic zone
About submarine sediment
About beryllium isotope
About oceanic crust
About subduction
About slab
About solidus
About Japan Trench
About lava
About plate tectonics
About Tohoku District
About beryllium 10
About volcanic front
About subducting slab
About volcanic front
About subducting slab
About Plate tectonics
About Isotope geology
About 日本
About 列島
About 堆積物
About リサイクル
About 比率
About 同位体
About BA
About Be
About 体系
About 確定