英语词汇“calcrete”的英英意思、用法、释义、翻译、读音、例句、短语、词组、英语词典-本地帮

单词

calcrete

释义

calcrete|ˈkælkriːt|
Also calcicrete.
[f. L. calc(i)- lime, calx + concrete n.]
A breccia or conglomerate formed by the cementation of rock debris, etc., by calcareous material.
1902Irish Naturalist Oct. 231 Over the Boulder-clay and the calcrete is a bed of limestone sand and gravel.1903Geol. Mag. Mar. 139 No one would be likely to quarrel with ‘calcicrete’ and ‘silicicrete’, of which one would be two, the other three, letters longer [than ‘calcrete’, ‘silcrete’].1903Nature 22 Oct. 614/1 In the Gulf of Manaar, calcareous masses (‘calcretes’) of great extent are formed in situ on the sea-bottom by the cementing of sand and other loose material by calcareous incrusting Polyzoa.1959J. D. Clark Prehist. S. Afr. ii. 45 The tools of those times are found in calcretes and ferricretes.

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