De Beers' joint venture in Angola has discovered a new kimberlite field, the most common source of mined diamonds, it said on ...

De Beers and Endiama plan increased drilling, surveys and lab tests to assess diamond potential in Angola soon.

This marks the first such find for De Beers in more than 30 years and signals a potential boost for the country's diamond ...

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.

De Beers' joint venture in Angola has discovered a new kimberlite field, the most common source of mined diamonds, its first ...

De Beers has discovered a new kimberlite field in Angola, marking its first such find in three decades. The venture, a ...

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.

The 1st hole [KON-20-01] tested a known kimberlite dike exposure at depth to determine the dike geometry and contact relationships with country host rocks. This hole was set at a dip of 45 degrees ...

De Beers Group and Angola’s national diamond company Endiama have discovered kimberlite, the host rock for diamonds, in ...