Analysis suggests Earth’s mantle is peeling from the crust in the eastern Atlantic, a possible sign of the ocean’s eventual closure



Summary

A new study indicates that the Earth’s mantle beneath the eastern Atlantic Ocean is separating from the crust, a process referred to as “mantle peeling.” This phenomenon, observed through seismic data analysis, is believed to be driven by remnants of a subducted slab pulling the mantle downward. The peeling is occurring where the African and European plates meet and could lead to the formation of a new subduction zone. This suggests the Atlantic Ocean, currently expanding, may eventually begin to close as Africa moves northward and eastward. This geological activity has significant implications for the long-term evolution of the Atlantic.

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