John Seach, Volcano Live

 Kimberlite - John Seach

Kimberlite is a rock formed by explosive eruptions in volcanic pipes.
It is formed at depths of 100-200 km and pressures of 40,000 to 50,000 atm.
Kimberlite is the main source of diamonds.
 

Kimberlite
www.volcanolive.com
Copyright John Seach