About TAKAHASHI MASAKI
About KUBO SEIJI
About 群馬県沼田高
About TAKASUGI NAOAKI
About KONO TAMOTSU
About YASUI MAYA
About KANAMARU TATSUO
About 日本大学文理学部自然科学研究所研究紀要
About chemical composition
About volcano
About dike
About Gunma prefecture
About magma
About basalt
About basic rock
About andesite
About acidic rock
About dacite
About spatial distribution
About volcanic neck
About basaltic rock
About Mafic dykes
About felsic rock
About whole rock chemical composition
About Volcanic geology in general
About 火山
About 全岩化学組成
About 岩脈
About 分析