{"symbol":"N3_sosma","r":235,"g":245,"b":236,"formationAge_ja":"新生代 新第三紀 中新世 メッシニアン期〜鮮新世","formationAge_en":"Cenozoic Neogene Miocene Messinian - Pliocene","group_ja":"堆積岩","group_en":"Sedimentary rocks","lithology_ja":"海成層 砂岩泥岩互層","lithology_en":"marine alternation of sandstone & mudstone"}