Thesaurus > Related Words: Priscoan eon

  Words related to Priscoan eon

Related / Similar Words: Hadean, Hadean time, Hadean eon, Hadean aeon, Priscoan, Priscoan aeon

 

Definition:
  • 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;

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