Moon - Crust - Oceans


(around some 4.200 Million years ago: the year 016 on the 100 year time-scale)

The three fundamental concepts for an earth as we know now: the moon, the crust and the oceans, appear to have come into existence very soon after the formation of the planet, but the exact time and sequence is not very clear, although they seem to have happened in a relatively short time from one another.


Plate tectonics 



Formation of the oceans