单词 | orocline |
释义 | oroclinen. Geology. An orogenic belt that has been curved or sharply bent. ΘΚΠ the world > the earth > land > landscape > high land > mountain > [noun] > range > bend bought1480 orocline1955 1955 S. W. Carey in Papers & Proc. Royal Soc. Tasmania 89 257 For an orogenic system which has been flexed in plan to a horse-shoe or elbow shape, the name orocline is proposed. 1970 D. L. Linton & F. Moseley in Cambr. Anc. Hist. (ed. 3) I. i. i. 21 Carey recognizes six oroclines in the orogenic belt in Europe. 1972 Nature 13 Oct. 389/2 The orocline concept is incompatible with strong plates and offers no reason why arcs should be circular. 2002 Jrnl. Geol. (Chicago) 110 247 Cumulative displacement on all faults of the western limb of the orocline is at least 400 km. Derivatives oroˈclinal adj. ΚΠ 1964 J. P. Albers Special Papers Geol. Soc. Amer. No. 76. 4 (title) Jurassic ‘oroclinal’ folding and related strike-slip faulting in the western United States Cordillera. 1976 Philos. Trans. (Royal Soc.) A. 283 283 The evidence used by Carey to identify an arc as an orocline was the presence of structures indicating tension on the convex side of the oroclinal bend, compressional structures on the concave side and..palaeomagnetic evidence of rotation. 1993 Jrnl. Petrol. 34 522 The original deformational direction is somewhat uncertain as a result of Late Cretaceous or younger oroclinal bending of the South American margin. This entry has been updated (OED Third Edition, September 2004; most recently modified version published online March 2022). < n.1955 |
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