UMD-led study finds ancient Earth’s fingerprints in young volcanic rocks|Health Consumer

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 led by University of Maryland geologists has found…
Source: UMD-led study finds ancient Earth’s fingerprints in young volcanic rocks

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