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Deep mantle chemistry surprise: Carbon content not uniform 
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Joined: Mon Aug 30, 2010 9:56 am
Posts: 20756
Post Deep mantle chemistry surprise: Carbon content not uniform
Science Daily Geology

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. Analysis of crystals containing completely enclosed mantle magma with its original carbon content preserved has doubled the world's known finds of mantle carbon.

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Mon Jan 16, 2017 9:22 am
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