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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.

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Tectonic Plates Timeline: Kyle Klodnick

ByKyle Klodnick

11 janv. 2018

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7 janv. 1962

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~ Il y a 63 ans

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