Definition of geological period Geological period
We found 1 definitions of geological period from 1 different sources.
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What does geological period mean?
WordNet
Noun |
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| geological period - a unit of geological time during which a system of rocks formed; "ganoid fishes swarmed during the earlier geological periods" | ||
| period | ||
| geologic time, geological time the time of the physical formation and development of the earth (especially prior to human history) | ||
| geological era, era a major division of geological time; an era is usually divided into two or more periods | ||
| epoch a unit of geological time that is a subdivision of a period and is itself divided into ages | ||
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