Earth recycles ocean floor into diamonds

Most diamonds are made of cooked seabed. The diamond on your finger is most likely made of recycled seabed cooked deep in the Earth. Traces of salt trapped in many diamonds show the stones are formed from ancient seabeds that became buried deep beneath the Earth's crust, according to new research.

from All Top News -- ScienceDaily http://bit.ly/2EKz8iV

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