About TAGIRI MICHIO
About AOI AKIKO
About ソニーイーエムシーエス 幸田テック
About KASAI KATSUMI
About AMANO KAZUO
About potassium-argon dating
About calc-alkali rock series
About tholeiite rock series
About chemical composition
About volcanic activity
About volcanic rock
About rock
About Neogene Period
About stratigraphy (sequence of layers)
About Miocene Epoch
About planktonic foraminifera
About microorganism
About protozoa
About Sarcodina
About カルクアルカリ系列
About tholeiite rock series
About 火山岩類
About 岩石組成
About Volcanic rocks
About 地域
About 中新世
About 火山岩類
About 化学組成
About Ar
About 年代
About 新第三紀
About 組成
About 層序対比