| 单词 | ring complex |
| 释义 | > as lemmasring complex ring complex n. Geology an intrusive igneous formation consisting of a system of concentric ring dykes or cone sheets. ΘΚΠ the world > the earth > structure of the earth > structural features > discontinuity or unconformity > [noun] > intrusion > ring ring complex1916 1916 E. B. Bailey et al. Geol. Ben Nevis & Glen Coe viii. 109 The fault serves as the inner boundary of the ring-complex known as the Fault-Intrusion. 1965 A. Holmes Princ. Physical Geol. (rev. ed.) xi. 261 Intrusions in the form of concentric arcs or rings are of two distinct types, forming ring complexes such as are exceptionally well developed around the Tertiary volcanic centres of NW Britain. 1990 P. Kearey & F. J. Vine Global Tectonics xi. 264 Carbonatites, which form ring complexes within the alkaline rocks, are frequently associated with extensive mineralization. < as lemmas |
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