priscoan aeon

This is not a dictionary! - Search for "priscoan aeon" in The Danish Dictionary

  • March 1. 2016 from wordnet.princeton.edu

    Priscoan aeon noun english

    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