含がん油ゆ頁けつ岩がんがんゆけつがんMeanings1nounoil shaleTechnical term in geology and energy; refers to sedimentary rock containing kerogen that can be processed into oil.See also: オイルシェール含がん油ゆ頁けつ岩がんは、石せき油ゆの代だい替たい資し源げんとして注ちゅう目もくされている。Oil shale is attracting attention as an alternative resource to petroleum.