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Hadean | Archean | Proterozoic | Phanerozoic
English: The Hadean is the geologic eon before the Archean. It extends back to the Earth's formation, and ended roughly 3.8 billion years ago (3800 Ma), though the date varies according to different sources. The name "Hadean" derives from Hades, Greek for "unseen" or "Hell" and suggesting the underworld or referring to the conditions on Earth at the time.
first eon of geological time, beginning with the formation of the Earth about 4.6 billion years ago
|Instance of||geological eon,|
|Start time||4,601st millennium BC|
|End time||c. 4,001st millennium BC|
Media in category "Hadean"
The following 5 files are in this category, out of 5 total.