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单词 speeton
释义

Speetonn.

/ˈspiːtən/
Etymology: < Speeton, the name of a village on the North Yorkshire coast.
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).
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n.1829
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