May 3, 2021
Rusting rock may explain two of Earth's deepest mysteries
Scientists have known about two of the most enormous and mysterious regions of the earth’s lower mantle, Large Low Shear Velocity Provinces (LLSVPs), for decades, but no one knows what they are made of or where they came from. MSU experimental geologist Susannah Dorfman and a talented team of international researchers pieced together a way to make an iron-rich form of the mineral bridgmanite—a rusting rock—that may finally explain the existence of LLSVPs. Their results are published in Nature Communications.
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