Geology. Of a rock, stratum, etc.: containing or abounding in coal, carbon, or carbon compounds.
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| 单词 | θ5340 |
| 释义 | 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. Subcategories:— specific (10) |
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