Kimberlites are volcanic eruptions that bring material from the depths where diamonds can form. ... Aerial photos give important clues about what damage the “bunker-buster” bombs may have caused.

Getty Images Diamonds might not be the rarest of geologic materials, but they can be some of the most valuable. ... Kimberlites are volcanic eruptions that bring material from the depths where ...

Image 3. Kimberlite occurrence outlined in green. Image 4: The yellow shading defines a zone of fractured material detected by Pipe Stalker™ and texture differential surrounding the mapped ...

Kimberlite magmas also reputedly have higher ascent rates6,7,8,9 than other xenolith-bearing magmas10,11. ... Transmitted-light optical microscope images of thin sections of kimberlite, ...

The last such eruption is said to have occurred over 100 million years ago and this is an image of kimberlite rock. Wikimedia Commons Source: Discovery. Geologists sometime use termites ...

Interestingly, the kimberlite eruptions seemed to start at the edges of the rifts — the places where tectonic plates rip apart — and marched steadily towards the centre of the land masses.

Furthermore, kimberlites contain large numbers of glass spherules that typically form from airborne droplets of molten rock. Locked within kimberlites, however, the spherules apparently never make ...

But kimberlites “have no whiff of plume in their chemistry,” Dr. Gernon said. Image. A diamond in South African kimberlite ore ...

Botswana Diamonds has secured a prospecting permit for five diamond-bearing kimberlites in the Marsfontein area of South Africa. This permit spans 900.67ha and encompasses the historic Marsfontein ...

Botswana Diamonds PLC John Teeling, Chairman. James Campbell, Managing Director. Jim Finn, Director +353 1 833 2833 +27 83 457 3724 +353 1 833 2833. Nominated & Financial Adviser ...