0 containing or producing carbon:
carboniferous rocks
1 from or referring to the period of time, between around 363 and 290 million years ago, when the first reptiles appeared and there were large forests covering the areas that later formed earth's coal layers:
2 the period of time, between around 363 and 290 million years ago, when the first reptiles appeared and there were large forests covering the areas that later formed earth's coal layers:
3 containing or producing carbon
The late Carboniferous forests around the northern hemisphere were far more alike than the modern ones.
We do know that most coal fields began life as swamps about 300 million years ago in the Carboniferous period.
There were freshwater sharks in the rivers and lakes that dominated the area during the Carboniferous.
This creature lived in the Carboniferous, before dinosaurs existed.
Slate was originally laid down as layers of fine silt during the Carboniferous.
Carboniferous pteridosperms that comprise a unique and hitherto unrecognized type, characterized by the presence of alkylated phenols.
Carboniferous and younger fault lines were reactivated during compression.
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