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Hadean eon
Noun
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
synonym
Hadean
Hadean aeon
Hadean time
Priscoan
Priscoan aeon
Priscoan eon
instance hypernym
aeon
eon
Hadean eon vs Hadean
Hadean eon vs Hadean aeon
Hadean eon vs Hadean time
Hadean eon vs Priscoan
Hadean eon vs Priscoan aeon
Hadean eon vs Priscoan eon
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