Eon Hadean Eon

Time runs left (older) → right (younger) · Hover a card for details

Earth forms, Moon-forming impact, late heavy bombardment (4600-4031 Ma).

4.60 Ga – 4.03 Ga · 569.00 Ma duration

Axis labels in Ma (millions of years ago) · Click a card for details

Hadean Eon 4

4600 Ma – 4500 Ma Formation of the Earth Accretion from solar nebula Earth forms from colliding planetesimals; Moon-forming giant impact occurs shortly after.
4500 Ma Formation of the Moon Giant impact with Theia A Mars-sized body collides with proto-Earth, ejecting material that forms the Moon.
4404 Ma Jack Hills Zircons Oldest minerals on Earth Zircon crystals dated at 4.404 Ga are the oldest known minerals on Earth.
4400 Ma First Liquid Water Oceans begin to form Zircon crystals (Jack Hills) suggest liquid water existed on Earth as early as 4.4 Ga.