English
Detailed Synonyms for Archean eon in English
Archean eon:
Archean eon [the ~] noun
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the Archean eon
– the time from 3,800 million years to 2,500 million years ago; earth's crust formed; unicellular organisms are earliest forms of life 1the Archeozoic eon; the Archaeozoic; the Archaeozoic aeon; the Archean; the Archean aeon; the Archean eon; the Archeozoic– the time from 3,800 million years to 2,500 million years ago; earth's crust formed; unicellular organisms are earliest forms of life 1