Sentences with phrase «called kimberlites»

Almost all diamonds come from volcanic deposits called kimberlites.

Those eruptions leave behind tubular deposits, called kimberlites, which are the ultimate source of most of Earth's diamonds.

Not exact matches

At Ekati, the company expects to start extracting from a high - grade kimberlite pipe called Misery in 2016 and has others in the works.

In 2013, near an area called Camp Alpha, he discovered a new kimberlite pipe 500 meters long and 50 meters wide.