geosyncline Geol.
(dʒiːəʊˈsɪŋklaɪn)
[Back-formation from geosynclinal n.]
= geosynclinal n.
| 1895 J. D. Dana Man. Geol. (ed. 4) 389 A mountain system includes all ranges in a region made in different, more or less independent, geosynclines at the same epoch. 1925 J. Joly Surface-Hist. Earth v. 85 The geosyncline wherein the Cordilleras of N. America were cradled extended from the Gulf of Mexico to the Arctic Ocean. 1954 M. P. Billings Struct. Geol. (ed. 2) iii. 55 A geosyncline is a large basin in which many thousands of feet of sediments accumulate. 1965 A. Holmes Princ. Physical Geol. (ed. 2) xxx. 1122 The modified form geosyncline came into general use. |