单词 | speeton |
释义 | Speetonn. Geology. Used attributively with reference to a series of clays of Lower Cretaceous age which outcrop at Speeton. ΘΚΠ the world > the earth > structure of the earth > age or period > stratigraphic units > [adjective] > secondary or Mesozoic > Cretaceous > specific Wealden1828 Speeton1829 Neocomian1843 Albian1846 Senonian1850 Urgonian1856 Santonian1869 Maastrichtian1885 Valanginian1885 Vectian1885 Barremian1903 1829 J. Phillips Illustr. Geol. Yorks. I. i. iii. 74 From the termination of the white cliffs the coast bends to the northward, and exhibits in succession, rising from beneath the chalk, the Speeton clay and the coralline oolite series. 1882 A. Geikie Text-bk. Geol. 816 The marine Neocomian strata of England are well exposed on the cliffs of the Yorkshire coast at Filey, where they occur in a deposit long known as the ‘Speeton Clay’. 1946 L. D. Stamp Britain's Struct. & Scenery xviii. 204 In the northern basin the Lower Greensand is represented by the Speeton Clays, with ‘carstone’, succeeded by marls and the famous Red Chalk of Hunstanton and Lincolnshire. 1969 G. M. Bennison & A. E. Wright Geol. Hist. Brit. Isles xiv. 323 On the north side of the Yorkshire Wolds a narrow out~crop of clays is found and it extends to the coast near Speeton. These clays, some 300 feet thick and known as the Speeton Series, range in age from the Ryazanian to the Albian. This entry has not yet been fully updated (first published 1986; most recently modified version published online September 2018). < n.1829 |
随便看 |
|
英语词典包含1132095条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。