Earth’s Largest Diamonds Form in Metal-bearing Part of Earth’s Mantle

Super-deep diamonds, which form more than 380 km deep in Earth’s mantle, are invaluable tools for deep carbon scientists. Not only do they harbor clues about how they formed and therefore the reactions taking place inside Earth, they also trap small samples of mantle minerals, so-called inclusions, within their carbon crystal structure as they grow. These tiny samples of Earth’s deep interior from the region where the diamond forms are preserved under high pressure within a super-strong, unreactive diamond shell.

Read more here ->

DMGCRobin Dienel