Easter Island's volcanic history suggests Earth's mantle behaves quite differently than previously assumed
Oct 16, 2024
Geography textbooks describe the Earth's mantle beneath its plates as a well-mixed viscous rock that moves along with those plates like a conveyor belt. But that idea, first set out some 100 years ago, is surprisingly difficult to prove. A mysterious find on Easter Island, investigated by Cuban, Colombian and Utrecht geologists among others, suggests that the Earth's mantle seems to behave quite differently.
