单词 | fairlight clay |
释义 | Fairlight clayn. Geology. In plural and singular. A band of clays and shales of the Wealden series (Lower Cretaceous) extending through Kent and East Sussex. ΘΚΠ the world > the earth > structure of the earth > age or period > stratigraphic units > [noun] > secondary or Mesozoic > Cretaceous > specific gault1575 weald clay1822 Wealden1828 Neocomian1845 Washita1860 Albian1863 Fairlight clays1874 Maastrichtian1931 1874 Proc. Geologists’ Assoc. 1872–3 3 213 (note) Mr. Peyton informs me that since this excursion took place the Geological Survey has re-named the Ashburnham Beds the ‘Fairlight Clays’. 1929 P. G. H. Boswell in J. W. Evans & C. J. Stubblefield Handbk. Geol. Great Brit. 388 Near Hastings and Eastbourne the lower part is replaced by a lenticular mass of variegated and mottled clays, the Fairlight Clays (350 ft. +) with seams of lignite, sandstone and spherulitic ironstone. 1959 Philos. Trans. (Royal Soc.) B. 242 290 The sandy foresets are rhythmically bedded and the hollow in which they lie, cut down nearly to the Fairlight Clay, is floored by pellet-conglomerate. 2012 Marine & Petroleum Geol. 37 42 (caption) Typical outcrop surface of Fairlight clays, with abundant typically cuboid fragments of charcoalified wood. This entry has been updated (OED Third Edition, December 2013; most recently modified version published online March 2022). < n.1874 |
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