Using laboratory techniques to mimic the conditions (900,000 times normal atmospheric pressure and 3200F) found deep inside the Earth, scientists have identified a form of iron oxide that they believe could explain seismic and geothermal signatures in the deep mantle

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Using laboratory techniques to mimic the conditions (900,000 times normal atmospheric pressure and 3200F) found deep inside the Earth, scientists have identified a form of iron oxide that they believe could explain seismic and geothermal signatures in the deep mantle