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7 janv. 1962 - Harry H. Hess

Description:

Harry Hess created the theory of sea floor spreading. He discovered that the ocean was shallow in the middle and called it Mid Ocean Ridges.

Ajouté au bande de temps:

Tectonic Plates Timeline: Kyle Klodnick

ByKyle Klodnick
11 janv. 2018
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Date:

7 janv. 1962
Maintenaint
~ Il y a 63 ans
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