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Sailor Pioneered the Theory of Plate Tectonics
December 27, 2024
WASHINGTON, Dec. 27 -- The U.S. Department of Defense issued the following news:

In 1967, W. Jason Morgan proposed that Earth's surface consists of rigid plates that move relative to each other, floating on the mantle, which is the layer below the crust. It was a radical idea at the time that later became known as the theory of plate tectonics. His theory was later bolstered by GPS, which can precisely measure plate movements.

Plate tectonics helps explain how moun . . .

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