英语词汇“sapropel”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

sapropel

释义

sapropel Geol.|ˈsæprəʊpɛl|
[a. G. sapropel (H. Potonié 1904, in Sitzungsber. Ges. naturforsch. Freunde Berlin 13 Dec. 243), f. as next.]
An unconsolidated nitrogen-rich slime or sludge, formed of incompletely decomposed aquatic micro-organisms, esp. algæ, found in anaerobic environments on the bottoms of lakes and seas.
1907Rep. Brit. Assoc. Adv. Sci. 1906 748 The sapropel is formed from the excrements and bodies of completely aquatic animals and plants which have lived in stagnant water, and therefore, because the water is stagnant, do not decay completely.Ibid., Cannel coal..is a fossil sapropel.1929H. B. Milner Sedimentary Petrogr. (ed. 2) 335 The coal-substance has been regarded by Potonié as ‘sapropel’, a solidified jelly-like carbonaceous slime.1970Nature 17 Oct. 200/1 Cores from the Mediterranean's three deep basins also yielded dolomites,..diatomites and organic sapropels.1978Ibid. 16 Nov. 259/2 The preservation of non-siliceous algae is uncommon, although found in the sapropel deposits of the USSR.

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