HadeanTime

Ha·de·an Time (hā-dēʹən, hāʹdē-) n.

The geological time period during which Earth formed, from the start of the solar system (4.6 billion years ago) until accretion, impact, and local melting led to stable Earth-Moon orbits and the oldest Earth rocks (3.8 billion years ago). Also called Hadean Eon. See table at geologic time.

  [AfterHades (from the intense heat during part of this period).]

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