单词 | coral-rag |
释义 | coral-ragn. Geology. The upper member of the Middle Oolite series, a kind of limestone, containing continuous beds of petrified corals. ΘΚΠ the world > the earth > structure of the earth > age or period > stratigraphic units > [noun] > secondary or Mesozoic > Jurassic > specific Oxford clay1812 cornbrash1813 Kellaways1813 Portland oolite1814 coral-rag1816 oolite1816 Oxford oolite1818 Kimmeridge clay1830 lias1833 Portland sand1836 skull-cap1839 Solenhofen slate1841 Stonesfield slate1855 Callovian1856 Tithonian1869 coralline oolite1871 Lincolnshire limestone1873 Ampthill Clay1877 Aalenian1882 Pliensbachian1903 1816 W. Smith Strata Identified 19 The Coral Rag consists chiefly of lumps of coralline Limestone. 1878 T. H. Huxley Physiography (ed. 2) xvii. 274 The coral-rag itself is altogether similar to the coral-limestone. 1991 C. Lycett Green Perfect Eng. Country House (BNC) 27 It is built of glowing limestone, known as Coral Rag, a stone made of the fossilized remains of coral and other shells. This entry has not yet been fully updated (first published 1893; most recently modified version published online March 2021). < n.1816 |
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