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jan 1, 1962 - Harry Hess

Description:

His sea floor spreading theory evidence in 1962. This led to his discovery of submerged and curiously flat-topped mountains that he named “guyots”. It also produced thousands of miles of echo-sounding surveys of the ocean floor.

Added to timeline:

12 Nov 2017
0
0
348
Theory

Date:

jan 1, 1962
Now
~ 61 years ago

Images:

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