If you've ever held or beheld a diamond, there's a good chance it came from a kimberlite. Over 70% of the world's diamonds are mined from these unique volcanic structures. Yet despite decades of study ...

Diamonds might not be the rarest of geologic materials, but they can be some of the most valuable. Where do we get them all? It takes extremely high pressures to reorganize carbon into ...

(PhysOrg.com) -- Kimberlite, a type of magma that is normally found deep within the Earth’s crust is known to somehow make its way to the surface at times, and when it does, it quite often has ...

Forbes contributors publish independent expert analyses and insights. David Bressan is a geologist who covers curiosities about Earth. Over 70 percent of the world’s diamonds are mined from kimberlite ...

Kimberlites are volatile-rich magmas from mantle depths of ≥150 km and are the primary source of diamonds. Kimberlite volcanism involves the formation of diverging pipes or diatremes, which are the ...

De Beers, the world’s largest diamond miner by value, and its joint venture partner in Angola, state-owned Endiama, have discovered a new kimberlite field, its first such discovery in three decades.