black shale
(literature) A member of a troglodyte cannibalistic race described in H. G. Wells' novel The Time Machine (1895). / (by extension) A brutish troglodyte.
(geology) A dark, muddy rock, rich in sulfides and organic material.
plural of lolbertarian
Characteristic of Morrissey (born 1959), English singer-songwriter.
地質学者たちは、有機物や硫化物を多く含む黒色頁岩の層を発見し、そこには多数の化石化した微生物と黄鉄鉱の塊が含まれていた。
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