| 单词 | orogenic belt |
| 释义 | > as lemmasorogenic belt orogenic belt n. a strip of the earth's crust that has been subjected to folding or other deformation during orogeny; = orogen n. ΘΚΠ the world > the earth > structure of the earth > [noun] > orogenic belt orogenic belt1920 orogen1923 1920 Sci. Monthly May 493 Most of the post-Cambrian eruptivity of the continents is concentrated in orogenic belts, leaving the larger part of the continental surfaces free from igneous rocks. 1944 A. Holmes Princ. Physical Geol. xviii. 378 It is..essential to discriminate carefully between the geographical concept of a mountain range or system and the geological concept of an orogenic belt: the one refers to the height and relief of the land; the other to the structure of the rocks, whether the region be high, low, or submerged. 1992 Sci. Amer. Apr. 37/3 The encounter between Laurentia and Baltica gave rise to the Caledonian orogenic belt, a large deformed region that marks an eroded mountain range running from Ireland to northern Scandinavia and Greenland. < as lemmas |
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