| 释义 |
epeirogeny|ɛpaɪəˈrɒdʒɛnɪ|
[f. as epeiric a. + -geny.]
The formation of continents; the deformation of the earth's crust by which continents and ocean basins are produced. So epeiroˈgenesis [-genesis]= epeirogeny; epeirogeˈnetic [-genetic], epeirogeˈnetical, epeiroˈgenic [-genic] adjs.
1890G. K. Gilbert Lake Bonneville viii. 340, I shall take the liberty to apply to the broader movements the adjective epeirogenic... The process of mountain formation is orogeny, the process of continent formation is epeirogeny, and the two collectively are diastrophism. 1894Geol. Mag. 449 The gentle but varying amount of epeirogenic deformation. 1898J. E. Marr Princ. Stratigr. Geol. 32 Those wide-spread, fairly uniform movements which are spoken of as epeirogenic or continent-forming. 1903A. Geikie Text-bk. Geol. (ed. 4) II. 1428/1 Epeirogeny or continent-making. 1909Webster, Epeirogenetic. 1925J. Joly Surface-Hist. Earth x. 162 The relations which exist between epeirogenic movements and glacial phenomena. Ibid. 189 Orogenesis and epeirogenesis..are forms of diastrophism. 1937Wooldridge & Morgan Physical Basis Geogr. v. 62 Radial movements, due to forces acting vertically, which have been styled epeirogenetic (continent building or plateau building). 1937Geogr. Jrnl. XC. 91 Epeirogenetical changes. 1939Nature 4 Feb. 184/1 So far as the post-Franciscan history of Southern California is concerned, tectonically comparable areas seem to have been affected at all times by orogenic and epeirogenic forces. 1963D. W. & E. E. Humphries tr. Termier's Erosion & Sedimentation i. 13 In fact, a universal epeirogeny occurred during the late Precambrian and the Carboniferous. |