| 释义 |
underˈthrust, v. Geol.
[under-1 4 b.]
trans. To be forced underneath. Chiefly as underˈthrust ppl. a., ˈunderthrusting vbl. n.
1893E. A. Smith in Amer. Jrnl. Sci. CXLV. 306, I..suggest the following terms, under fault, faulted under fold, underthrust fault, as applicable to this type of structure. 1908H. B. C. Sollas tr. Suess's Face of Earth III. ix. 396 Holmquist concludes that, owing to the continuous subsidence of the eastern part (i.e. of the shield or foreland) the overthrusting practically becomes an underthrusting. 1931Geol. Mag. LXVIII. 39 The front of the underthrust mass will be concave towards the direction of underthrusting. 1965G. J. Williams Econ. Geol. N.Z. xix. 350/1 The south-east flank is steep and in places faulted or underthrust. 1971I. G. Gass et al. Understanding Earth xix. 286 The major mountain chains..occur where moving plates collide and one underthrusts the other. 1977[see Richter]. |