About SONEHARA TAKAFUMI
About 蒜山地質年代学研究所
About GOTO TAKASHI
About 蒜山地質年代学研究所
About FUJIHARA MAKOTO
About 蒜山地質年代学研究所
About 日本地質学会学術大会講演要旨
About Okayama prefecture
About andesite
About Cretaceous Period
About rock
About gravel
About boring core
About welded tuff
About supply source
About 美作市
About boulder
About Volcanic rocks
About 岡山
About 巨石
About 岩
About 起源