| 单词 |
orogenic |
| 释义 |
orogenic, a.|ɒrəʊˈdʒɛnɪk|
[f. as orogeny (see orogenesis) + -ic. Cf. F. orogénique (Littré).]
Mountain-forming; concerned in the formation of mountains; orogenic belt, a strip of the earth's surface which has been subjected to folding or other deformation during an orogeny.
1886American XII. 351 The old belief that earthquakes are generally volcanic; they are more commonly orogenic. 1898J. E. Marr Princ. Stratigr. Geol. 32 Inversion is a frequent accompaniment of the more local orogenic or mountain-forming movements. 1942M. P. Billings Structural Geol. v. 95 Some geologists, however, believe that entire orogenic belts are due to gigantic terrestrial couples. 1944A. 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. 1969Sci. Jrnl. Feb. 52/2 The entire orogenic belt bordering the eastern margin of the Pacific may have been caused by sea floor spreading and the consequent underthrusting along the eastern Pacific margin.
Hence oroˈgenically adv., by orogenesis.
1935Geogr. Jrnl. LXXXVI. 76 Neither in the orogenically nor in the isostatically affected areas. 1971I. G. Gass et al. Understanding Earth xxii. 323/2 The ancient diamondiferous sediments of the Ivory Coast were orogenically deformed some 2000 million years ago. |
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