| 单词 | cycle of erosion |
| 释义 | > as lemmascycle of erosion c. Geol. cycle of erosion, cycle of sedimentation (see quots.). ΘΚΠ the world > the earth > structure of the earth > formation of features > sedimentation > [noun] > cycle cycle of sedimentation1904 the world > the earth > structure of the earth > formation of features > erosion or weathering > [noun] > cycle cycle of erosion1904 1904 T. C. Chamberlin & R. D. Salisbury Geol. (1905) I. iii. 78 It has now been seen that by whatever method erosion by running water proceeds..the final result of subaërial erosion must be the production of a base-level... The time involved in the reduction of a land area to base-level is a cycle of erosion. 1921 L. D. Stamp in Geol. Mag. 58 109 A ‘cycle of sedimentation’ comprises the deposits of a complete oscillation of the basin, each oscillation including a positive phase of marine invasion and a negative phase of regression. 1960 L. D. Stamp Britain's Struct. & Scenery (ed. 5) vii. 70 As the cycle of erosion progresses..features which are due to varying resistance of the rocks..gradually become eliminated as the surface is reduced to a monotonous level..plain. < as lemmas |
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