geosynclinaln.adj.

1873 J. D. Dana in Amer. Jrnl. Sci. 105 430 The making of the Alleghany range was carried forward at first through a long-continued subsidence—a geosynclinal (not a true synclinal).

1906 Science 4 May 691 The zones which include the seismic regions coincide exactly with the geosynclinals of the mesozoic age.

1924 J. G. A. Skerl tr. A. Wegener Orig. Continents & Oceans 61 Haug..wishes to consider the whole of the Atlantic as an enormous geosynclinal and the mid-Atlantic bank as the beginning of its crumpling.

1984 Proc. 27th Internat. Geol. Congr. 12 7 The part of geosynclinals that had ceased to exist prior to the Palaeozoic is now traced by independent geosynclinal-fold zones.

1873 J. D. Dana in Amer. Jrnl. Sci. 105 437 In the Quaternary there were extended movements of geanticlinal and geosynclinal character which need not be here described.

1882 A. H. Green Geol. for Students: Physical Geol. (ed. 3) xiii. 630 After the geosynclinal mass had accumulated the state of things stood thus.

1937 A. L. Du Toit Our Wandering Continents x. 210 The Drift Hypothesis..has to view the great geosynclinal seaways of earlier geological history as branches, albeit important ones, of a universal ocean.

1971 Nature 18 June 418/2 Within the present continents there are several linear belts of distinctive oceanic and geosynclinal deposits which apparently mark the boundaries (sutures) between once separated continents.

2007 A. Theroux Laura Warholic xxxvii 601 The room..with its warped walls and sunken floors and poor light looked like a geosynclinal trough.