Superplume Beneath Hawaii May Have Shaped the Earth

I love the word… Superplume!

The two superplumes, one beneath Hawaii and the other beneath Africa, have likely existed for at least 200 million years, explained Wendy Panero, assistant professor of earth sciences at Ohio State University.

The giant plumes — or “superpiles” as Panero calls them — rise from the bottom of Earth’s mantle, just above our planet’s core. Each is larger than the continental United States. And each is surrounded by a wall of plates from Earth’s crust that have sunk into the mantle…

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