| 单词 | rimstone |
| 释义 | > as lemmasrimstone rimstone n. Geology a thin deposit of calcite forming a dam round the rim of an overflowing basin or evaporating pool of water, typically found in caves. ΘΚΠ the world > the earth > structure of the earth > structural features > thin layer > [noun] > calcite formed by overflow rimstone1930 1930 W. M. Davis in Bull. Geol. Soc. Amer. 41 485 Rimstone has been added to the list to name calcareous deposits formed around the rims of overflowing basins. 1968 R. W. Fairbridge Encycl. Geomorphol. 1051/1 Rimstone dams greater than 40 feet in height are known. 2002 T. Pinchuck et al. Rough Guide S. Afr. (ed. 3) 622 The main focus of attention are the extraordinary stalactites, stalagmites and rimstone pools to be found in a huge underground chamber. < as lemmas |
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