Noun
(plural geologic eras)
- (geology, Paleontology) A subdivision of geologic time that divides an eon into smaller timeframes.
geologic-era
English Wiktionary. Available under CC-BY-SA license.
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"geologic-era." YourDictionary, n.d. Web. 14 January 2019. <https://www.yourdictionary.com/geologic-era>.
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geologic-era. (n.d.). Retrieved January 14th, 2019, from https://www.yourdictionary.com/geologic-era
