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the world > the earth > structure of the earth > age or period > stratigraphic units > [adjective] > primary or Palaeozoic > carboniferous (13)
carbonaceous1815

Geology. Of a rock, stratum, etc.: containing or abounding in coal, carbon, or carbon compounds.

carboniferous1822

Geology. Usually in form Carboniferous. Designating a period of the Palaeozoic era which occurred between about 359 and 299 million years ago…

culmiferous1837

Containing or producing culm or impure anthracite.

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更新时间:2024/12/24 2:16:28