About ITO TANIO
About 千葉大 大学院理学研究科
About SATO HIROSHI
About marginal sea
About ocean trench
About ocean basin
About crustal structure
About island arc
About Nankai Trough
About Japan
About Southwest Japan
About Yamato Backarc Basin
About Structure and composition of crust and upper mantle
About 西南日本
About 海溝
About 島弧
About 縁海
About 地殻構造
About 南海トラフ
About 大和海盆
About 縁