Hadean
The Hadean is a geologic eon o the Yird pre-datin the Archean.
| Hadean Eon 4600–4000 million years aby | |
The geological eons and eras -4500 — – -4000 — – -3500 — – -3000 — – -2500 — – -2000 — – -1500 — – -1000 — – -500 — – 0 — Scale: millions o years |
It begoud wi the formation o the Yird aboot 4.6 billion year aby an endit, as defined bi the ICS, 4 billion year aby. As o 2016[update], the ICS describes its status as "informal".
References
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