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

fusain

/ˈfjuːzeɪn

noun [mass noun] Geology

A lustreless, crumbly, porous type of coal resembling wood charcoal.The conglomerate is overlain by a claystone-dominated fossiliferous interval, which contains spirorbid worm tubes, abundant conchostracans, plant debris, fusain, and a pygocephalomorph-bearing limestone....

Forest fire, a major disturbance agent in some modern forests, does not appear to be a major factor given the rarity of fusain in the Buchanan Lake Formation deposits.
As an independent check on the overall oxygen trend, it is notable that fusain is found for the first time in the Late Devonian.

Origin

Late 19th century: from French, literally 'spindle tree', also 'fine charcoal' (made from the spindle tree).

单词	fusain
释义	fusain /ˈfjuːzeɪn / noun [mass noun] Geology A lustreless, crumbly, porous type of coal resembling wood charcoal.The conglomerate is overlain by a claystone-dominated fossiliferous interval, which contains spirorbid worm tubes, abundant conchostracans, plant debris, fusain, and a pygocephalomorph-bearing limestone.... Forest fire, a major disturbance agent in some modern forests, does not appear to be a major factor given the rarity of fusain in the Buchanan Lake Formation deposits. As an independent check on the overall oxygen trend, it is notable that fusain is found for the first time in the Late Devonian. Origin Late 19th century: from French, literally 'spindle tree', also 'fine charcoal' (made from the spindle tree).
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