Type
Epoch
Age range
3600–3400 Ma
Paleoarchean
Eoarchean
Late Hesperian
Early Hesperian
Late Noachian
3,6003,5903,5803,5703,5603,5503,5403,5303,5203,5103,5003,4903,4803,4703,4603,4503,4403,4303,4203,4103,400