“Turns Our Understanding Upside Down” – New Discovery Shatters Old Models of Earth’s Chemical Evolution

The chemical uniformity of Earth’s mantle is greater than previously believed. Lavas from hotspots—whether erupting in Hawaii, Samoa, or Iceland—likely originate from a worldwide, uniform reservoir in Earth’s mantle, according to an evaluation of volcanic hotspots recently published in the journal Nature Geoscience. The findings suggest that Earth’s mantle is much more chemically uniform than […]

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