Hadean
geo:time:eon:hadeanHadean Eon (4,600–4,031 Ma): Earth's formation and early differentiation; no rocks preserved; Moon-forming giant impact (~4,500 Ma); late heavy bombardment.
Hadean Eon (4,600–4,031 Ma): Earth's formation and early differentiation; no rocks preserved; Moon-forming giant impact (~4,500 Ma); late heavy bombardment.