{"symbol":"Q1-21_so","r":230,"g":255,"b":210,"formationAge_ja":"新生代 第四紀 更新世 ジェラシアン期〜前期チバニアン期","formationAge_en":"Cenozoic Quaternary Pleistocene Gelasian - early Middle Pleistocene","group_ja":"堆積岩","group_en":"Sedimentary rocks","lithology_ja":"海成層","lithology_en":"marine sediments"}