Tag Archives: jewelry

Diamond impurities indicate water flows deep in Earth’s mantle too

A scientist from the University of Nevada, Las Vegas, has discovered the first direct evidence that fluid water pockets may exist as far as 500 miles deep into the Earth’s mantle. Impurities in diamond have no value in the jewelry business but for UNLV geoscientist Oliver Tschauner and his colleagues, diamonds pushed up from the Earth’s interior had traces of ...

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