| 单词 | subduction zone |
| 释义 | > as lemmassubduction zone subduction zone n. Geology a zone at or beneath the earth's surface at the edge of a crustal plate at which subduction (sense 6) is occurring, typically marked by the presence of an ocean trench and an island arc and/or chain of fold mountains; cf. Benioff zone n. at Benioff n. 2. ΘΚΠ the world > the earth > structure of the earth > structural features > [noun] > type of zone greenstone belt1872 sheeted zone1903 shatter belt1910 fault zone1931 slide area1959 fracture-zone1965 subduction zone1970 1970Subduction zone [see sense 6]. 1975 Sci. Amer. Nov. 89/2 The deepest trenches of the world's oceans, including the Java and Tonga trenches and all others associated with island arcs, mark the seaward boundary of subduction zones. 1989 Economist 23 Dec. 111/1 The pressure between the sinking crust and the overriding continent in the subterranean ‘subduction zone’ causes some of both plates to melt. 2004 Independent 27 Dec. 9/1 As tension gradually builds up in a subduction zone, a sudden jolt or slippage can occur resulting in the sort of earthquake experienced yesterday. < as lemmas |
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