English
Detailed Synonyms for Priscoan eon in English
Priscoan eon:
Priscoan eon [the ~] noun
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the Priscoan eon
– the earliest eon in the history of the Earth from the first accretion of planetary material (around 4,600 million years ago) until the date of the oldest known rocks (about 3,800 million years ago); no evidence of life 1the Hadean; the Hadean aeon; the Hadean eon; the Hadean time; the Priscoan; the Priscoan aeon; the Priscoan eon– the earliest eon in the history of the Earth from the first accretion of planetary material (around 4,600 million years ago) until the date of the oldest known rocks (about 3,800 million years ago); no evidence of life 1