Geology. An episode of crustal change affecting a whole region, esp. a mountain-building episode. From 19th cent. frequently with distinguishing word.
| 单词 | θ5117 |
| 释义 | the world > the earth > structure of the earth > formation of features > tectonization or diastrophism > [noun] > orogenesis (8) revolution1795 Geology. An episode of crustal change affecting a whole region, esp. a mountain-building episode. From 19th cent. frequently with distinguishing word. mountain building1871 the formation of mountains, esp. as a result of folding and thrusting of the earth's crust. orogenesis1886 The formation of mountains by the folding and deformation of the earth's crust. orogeny1890 The process by which mountains are formed; = orogenesis, n. Subcategories:— specific (3) — period of (1) |
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