differently
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Earth
Easter Island’s volcanic history suggests that Earth’s mantle behaves very differently than previously assumed
The structure of the mantle plume beneath Easter Island. Credit: Douwe van Hinsbergen Geography textbooks describe the Earth’s mantle, which lies beneath the plates, as a well-mixed, viscous rock that moves with the plates like a conveyor belt. But this idea was first broached about 100 years ago, and it’s surprisingly difficult to prove. A mysterious discovery on Easter Island,…
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