石せき油ゆ頁けつ岩がんせきゆけつがんじ字FuriganaMeanings1nounoil shaleA sedimentary rock containing organic matter that can be processed to produce liquid hydrocarbons. Technical term used in geology and energy contexts.See also: オイルシェール石せき油ゆ頁けつ岩がんから原げん油ゆを抽ちゅう出
