Oxidized iron deep within Earth's interior
January 24, 2018
Scientists digging deep into the Earth's mantle recently made an unexpected discovery. Five hundred and fifty kilometers below the Earth's surface, they found highly oxidized iron, similar to the rust we see on our planet's surface, within garnets found within diamonds. The result surprised geoscientists around the globe because there is little opportunity for iron to become so highly oxidized deep below the Earth's surface.
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