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geological era
Thesaurus| Noun | 1. | geological era - a major division of geological time; an era is usually divided into two or more periodserageologic time, geological time - the time of the physical formation and development of the earth (especially prior to human history)eon, aeon - the longest division of geological timegeological period, period - a unit of geological time during which a system of rocks formed; "ganoid fishes swarmed during the earlier geological periods" |
Geological Era
Era, Geological an interval of time in the earth’s geological history, during which an erathem formed. Eras are subdivided into periods; several eras combine to form an eon. There are three eras in the most recent Phanerozoic eon: the Paleozoic, Mesozoic, and Cenozoic eras. (See alsoGEOCHRONOLOGY.) geological era
Related to geological era: Geological time scaleSynonyms for geological eranoun a major division of geological timeSynonymsRelated Words- geologic time
- geological time
- eon
- aeon
- geological period
- period
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