Large blobs in Earth’s mantle could also be driving a ‘diamond manufacturing unit’

The boundary zone between Earth’s molten metallic core and the mantle, its rocky center layer, is perhaps a diamond manufacturing unit.

A brand new laboratory experiment finds that, below excessive temperatures and pressures, the mix of iron, carbon and water — all potential components discovered on the core-mantle boundary — can type diamond. If this course of additionally occurs deep inside Earthit’d clarify some bizarre quirks of the mantle, together with why it has extra carbon in it than scientists anticipate.

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