頁岩 けつがん Meanings Noun, の-adjective shale Kanji 頁 page; leaf. Read as ケツ. 岩 rock. Read as ガン. Words containing 頁岩 石油頁岩 (せきゆけつがん) oil shale 油頁岩 (ゆけつがん) oil shale 含油頁岩 (がんゆけつがん) oil shale And 2 more. Jinuma: Japanese Dictionary · Word lists