| 单词 | diluvial clay |
| 释义 | > as lemmasdiluvial clay b. Of or pertaining to the diluvium or drift-formation of early geologists; now generally called the Glacial Drift. diluvial clay, the boulder clay.For the connection of a and b see diluvium n. ΚΠ 1823 W. Buckland Reliq. Diluvianæ 38 The diluvial gravel both of England and Germany. 1842 H. Miller Old Red Sandstone (ed. 2) vii. 142 A deep wooded ravine cut through a thick bed of red diluvial clay. 1851 D. Wilson Archæol. & Prehistoric Ann. Scotl. i. i. 21 The closing epoch of geology, which embraces the diluvial formations. 1853 J. Phillips Rivers, Mountains, & Sea-coast Yorks. 289 Clay, gravel, and sand, with large boulders scattered here and there, which were till lately termed diluvial deposits. < as lemmas |
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