| 单词 | ice rafted |
| 释义 | > as lemmasice rafted ice rafted adj. (esp. of a boulder) having been transported by floating ice; cf. ice-borne adj. ΚΠ 1884 Science 19 Dec. 560/2 He concludes that they are all non-glacial, some being simple water-worn gravels, others being ice-rafted bowlders, while the scratches reported in two localities are pronounced slickensides and plant-fossils. 1920 A. W. Grabau Textbk. Geol. I. xvii. 530 We have already referred to the ice-rafted material which forms some submarine banks and which has been brought there by floating icebergs. 2009 Nature 16 July 302/3 The recent discovery of ice-rafted debris in middle Eocene ocean sediments prompted suggestions that ice appeared in the Arctic about 46 million years ago. < as lemmas |
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