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1 janv. 1962 - Sea floor spread.

Description:

Harry Hess invents the theory of sea floor spread by observing that the crust in the newest in the middle and the oldest at continental margins. This suggests that molten basalt erupts from the center of the ocean and pushes the plat outwards.

Ajouté au bande de temps:

Tectonic plates

ByCharley
il y a 16 h
0
0
18

Date:

1 janv. 1962
Maintenaint
~ Il y a 63 ans
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