ゆぼけつがん 油母頁岩 LinksSentence search for 油母頁岩Sentence search for ゆぼけつがんSentence search for ゆもけつがんKanji details for 油, 母, 頁 and 岩Edit in JMdict Noun1. oil shaleGeologyOther forms油母頁岩 【ゆもけつがん】 Discussions Log in to talk about this word.