| 释义 |
orogen Geol.|ˈɒrədʒən|
Also orogene.
[a. G. orogen (L. Kober Der Bau der Erde (1921) i. 21): see oro- and -gen.]
An orogenic belt.
1923Bull. Geol. Soc. Amer. XXXIV. 167 Geanticlines and orogens may remain as dry lands or may sink into the depths of the oceans. 1934Geogr. Jrnl. LXXXIII. 517 The orogen on the west North American Cordillera. 1953[see mountain system s.v. mountain 9 a]. 1964L. U. de Sitter Struct. Geol. (ed. 2) xxxi. 424 The Pyrenees are essentially a Hercynian orogene reactivated in the Alpine Period. 1970Nature 28 Nov. 838/2 The width of the orogen is anomalously great in the region of the central United States. 1975Ibid. 20 Feb. 599/2 The effects are restricted to the western seaboard of Scandinavia and within overthrust masses on the respective sides of the Caledonian orogene. |