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Wednesday, February 28, 2018

Modern volcanism tied to events occurring soon after Earth's birth

http://ift.tt/eA8V8J Plumes of hot magma from the volcanic hotspot that formed Réunion Island in the Indian Ocean rise from an unusually primitive source deep beneath the Earth's surface. The mantle differentiation event preserved in these hotspot plumes can both teach scientists about early Earth geochemical processes and explain the mysterious seismic signatures created by dense deep-mantle zones.

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