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Category Archives: geochemistry
Eclogites are beautiful rocks that on Earth are associated with the process of subduction – where pieces of crust sink into the deep mantle region. A recent paper by Makoto Kimura and 5 other Japanese authors, describes the first ever evidence … Continue reading
The geology of diamonds is fascinating in itself, but they also give insights into wider geological processes and history. Up until 1725, diamonds were only known from India. That all changed when Brazilians panning river sediments for gold, instead found diamonds. Recent … Continue reading
Originally published on the Scientific American guest blog. Geoscientists can’t say if diamonds are forever, but they can say that some are already billions of years old. They form in a place we’ll never reach: the deep earth, hundreds of … Continue reading