| 单词 | blue mud |
| 释义 | > as lemmasblue mud blue mud n. a bluish marine sediment, typically coloured by organic matter and iron sulphide. ΘΚΠ the world > the earth > structure of the earth > constituent materials > sediment or alluvium > [noun] > other marine red mud1690 blue mud1773 ooze1876 1773 D. Henry Hist. Acct. Voy. Eng. Navigators IV. (Supplement) 36 Half past four in the morning sounded, one hundred and twelve fathoms soft blue mud. 1876 J. Murray in Proc. Royal Soc. 24 499 A blue mud containing:—A great many pelagic Foraminifera and some Pteropod shells. 1957 G. E. Hutchinson Treat. Limnol. I. viii. 549 Conway suggests that blue mud on the continental shelves is the main source of the H2S which he supposes to pass into the air. 2005 J. McConal Bridges Over Brazos iii. 18 The blue mud and clay at its mouth result from the gulf's water level. < as lemmas |
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