Kimmeridge clay n. a bed of clay in the Upper Oolite containing bituminous shales. Kimmeridge coal n. shale of the Kimmeridge clay containing so…
| 单词 | θ5624 |
| 释义 | the world > the earth > structure of the earth > constituent materials > rock > sedimentary rock > [noun] > shale > bituminous shale (6) Kimmeridge coal1761 Kimmeridge clay n. a bed of clay in the Upper Oolite containing bituminous shales. Kimmeridge coal n. shale of the Kimmeridge clay containing so… jet coal1794 hard black coal; cannel coal. jet rock1798 bituminous shale containing jet; esp. a bed of such shale found near Whitby, North Yorkshire. Kupferschiefer1830 A bituminous brown or black shale of the Permian series, which is worked in Germany for copper; = copper schist n., copper-slate n. at copper, n.1… Marcellus shale1843 A highly bituminous black shale of Devonian age found in the north-eastern United States. jet1893 Scottish and English regional (northern). Cannel coal; bituminous shale. Cf. jet coal n. at compounds 2. Now historical and rare. |
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