| 单词 | chemical weathering |
| 释义 | > as lemmaschemical weathering chemical weathering n. Geology the process by which rocks gradually decompose as the result of natural chemical processes; cf. weathering n. 3a. ΚΠ 1886 Science 3 Sept. 205/1 Frost was found to be more active in removing particles that had been loosened by chemical weathering than in direct mechanical weathering of unweathered rock. 1954 J. F. Kirkaldy Gen. Princ. Geol. iii. 39 As the surface of a limestone area is lowered by chemical weathering, this insoluble material accumulates to form the ‘clay-with-flints’ of our chalk lands or the ‘Terra Rosa’ of the true karst. 1998 New Scientist 20 June 36/1 An intensification of the Asian monsoon in the late Miocene around 8 million years ago triggered an upsurge in chemical weathering on the Himalayan-Tibetan Plateau. < as lemmas |
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