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Textbook Theory Behind Volcanoes May Be Wrong | Caltech

Textbook Theory Behind Volcanoes May Be Wrong | Caltech | Science, Technology, and Current Futurism | Scoop.it
The new measurements suggest that what is really happening is just the opposite: Instead of narrow jets, there are broad upwellings, which are balanced by narrow channels of sinking material called slabs. What is driving this motion is not heat from the core, but cooling at Earth's surface. In fact, Anderson says, the behavior is the regular mantle convection first proposed more than a century ago by Lord Kelvin. When material in the planet's crust cools, it sinks, displacing material deeper in the mantle and forcing it upward.
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Biggest volcano on Earth found: It's been hiding under the ocean (+video)

Biggest volcano on Earth found: It's been hiding under the ocean (+video) | Science, Technology, and Current Futurism | Scoop.it
The biggest single volcano on Earth is in the Pacific Ocean, roughly halfway between Hawaii and Japan. Dubbed 'Tamu Massif,' the humongous volcano erupted almost 150 million years ago.
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