Deep Mantle Chemistry Surprise: Carbon Content not Uniform

Even though carbon is one of the most abundant elements on Earth, it is actually very difficult to determine how much of it exists below the surface in Earth’s interior. Research by Deep Carbon Observatory scientists Marion Le Voyer, Erik Hauri (Carnegie Institution for Science, USA), Katherine Kelley (University of Rhode Island, USA) and Elizabeth Cottrell (Smithsonian Institution, USA) has doubled the world’s known finds of mantle carbon. Their findings, based on analyses of crystals containing mantle magma samples, are published in Nature Communications.

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