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UMD-led study finds ancient Earth's fingerprints in young volcanic rocks


April 6, 2017

Earth's mantle is made of solid rock that nonetheless circulates slowly over millions of years. Some geologists assume that this slow circulation would have wiped away any geochemical traces of Earth's early history long ago. But a new study by researchers at the University of Maryland (UMD) of volcanic rocks that recently erupted from volcanoes in Hawaii and Samoa reveals surprising geochemical anomalies--the "fingerprints" of conditions that existed shortly after the planet formed. Full Story

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University of Maryland

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