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feb 27, 1962 - How seafloor spreading works.

Description:

Harry Hess was the first person to figure out how seafloor spreading works. Seafloor spreading is when convection currents in the mantle create a mid-ocean ridge where magma rises and forms new oceanic crust.

Added to timeline:

11 Jan 2018
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272
History of Plate Tectonics

Date:

feb 27, 1962
Now
~ 62 years ago

Images:

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