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Annus Mirabilis

Donald Prothero The Skeptic
. . . the publication of Alfred Wegener’s Die Entstehung der Kontinente und Ozeane (The Origin of Continents and Oceans) . . . was the beginning of a true scientific revolution that transformed geology right down to its core, although the final stage of the revolution was not completed until the 1950s and 1960s.

Textbook Theory Behind Volcanoes May Be Wrong

Marcus Woo Caltech
In the proposed new picture, the engine behind Earth's interior processes is not heat from the core but cooling at the planet's surface. This cooling and plate tectonics drives mantle convection, the cooling of the core, and Earth's magnetic field. Volcanoes and cracks in the plate are simply side effects.
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