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单词 doline
释义 dolina, doline Geol.|dəˈliːnə, dəˈliːn|
[ad. Russ. dolína valley, plain.]
A depression or basin in a karstic limestone region, esp. one that is relatively extensive and funnel-shaped.
1882A. Geikie Text-bk. Geol. iii. ii. ii. 355 The ground may there be found drilled with vertical cavities (swallow-holes, sinks, dolinas), by the solution of the rock along lines of joint that serve as channels for descending rain-water.1922Geol. Mag. LIX. 406 The funnel-shaped hollows which are so frequently met with on the surface of the karst are termed ponors. Many of these are largely filled with red earth, formed by the decomposition of the limestone, and are then known as dolinas.1937Discovery July 214/1 Huts clustered round a very wide dolina in the shelter of the highest elevation.1942O. D. von Engeln Geomorphology xxii. 572 The doline, of which the swallow hole and sink hole are variants, is the initial and fundamental unit of karst topography. The type doline has the form of a funnel top and occurs in the Adriatic karst.1962Nature 16 June 1037/2 Vertically walled, knife-edged arêtes and pinnacles of bare limestone standing like battlements around dolines covered by montane forest of mossy aspect.
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更新时间:2024/12/22 18:25:55