Kimberlite pipes are columns of volcanic rock that formed from ancient eruptions. On their journey from deep inside the Earth's mantle, they sometimes carry diamonds up with them.

As the diamond mining industry continues to face growing challenges such as resource depletion, rising operational costs and ...

Kimberlite eruptions likely start when a carbon dioxide-rich magma forms from melting the mantle. That magma could end up with almost 20 percent carbon dioxide by weight, ...

Kimberlite eruptions start near the cratonic roots, at least 75 miles underground, and race upward at tens of feet per second — a fiery fury driven by an abundance of carbon dioxide and water.

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Kimberlite is volcanic rock which hosts diamonds and predominantly occurs in groupings averaging a minimum of 30 pipes. There is considerable evidence that there are further kimberlites within the ...