| 单词 | outwash plain |
| 释义 | > as lemmasoutwash plain General attributive (in sense 1), as outwash gravel, outwash plain, etc. ΚΠ 1894 T. C. Chamberlin in Jrnl. Geol. (Chicago) 2 533 There were, however, tracts of assorted material formed by waters outflowing from the ice where no definite terminal ridging took place. Such forms may be designated outwash aprons in distinction from overwash aprons. 1908 Amer. Jrnl. Sci. 175 108 The river terraces of outwash gravel. 1934 Antiquity 8 306 The retreat of the ice and the formation of the outwash plain in front of the moraine. 1972 J. G. Cruickshank Soil Geogr. ii. 59 Outwash alluvium is usually similar in texture, but may include some fine debris where the melt water has spread over a large area. 1999 W. L. Heat Moon River Horse xi. 449 Nor could we see how the Blue Mountains to westward descend toward the Snake as an outwash slope opening to the great Columbia Plateau. < as lemmas |
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