HyperDic: carboniferous_period

English > 1 sense of the expression Carboniferous period:
NOUNtimeCarboniferous period, Carboniferousfrom 345 million to 280 million years ago
English > Carboniferous period: 1 sense > noun 1, time
MeaningFrom 345 million to 280 million years ago.
Instance ofperiod, geological periodA unit of geological time during which a system of rocks formed
Part ofPaleozoic, Paleozoic eraFrom 544 million to about 230 million years ago
PartsMississippian, Missippian period, Lower Carboniferous, Lower Carboniferous periodFrom 345 million to 310 million years ago
Pennsylvanian, Pennsylvanian period, Upper Carboniferous, Upper Carboniferous periodFrom 310 million to 280 million years ago

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