单词 | caradocian |
释义 | > as lemmasCaraˈdocian Caraˈdocian adj. ΘΚΠ the world > the earth > structure of the earth > age or period > [adjective] > primary or Palaeozoic > Ordovician Ordovician1879 Cincinnatian1899 Caradocian1910 the world > the earth > structure of the earth > age or period > stratigraphic units > [adjective] > primary or Palaeozoic > Ordovician > specific Caradoc1835 Tremadoc1847 Arenig1854 Skiddaw1897 Cincinnatian1899 Skiddavian1905 Caradocian1910 Tremadocian1910 1910 Encycl. Brit. V. 300/1 In the Lake district the Coniston limestone series represents the Upper Caradocian. 1960 L. D. Stamp Britain's Struct. & Scenery (ed. 5) xii. 109 Caradocian and Ashgillian..being the lower and upper parts respectively of the old Bala Group. < as lemmas |
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