The Vredefort impact

The centre of South Africa is an amazing place. The long drive from Cape Town in-land is exciting for the first two hours, while the road climbs up through the mountains, past vineyards and valleys full of fynbos. Once on the high interior plateau of South Africa, the landscape becomes dry and monotonous – and…

Time for komatiite

People mellow with age. (At least, most of us do.) The emotions of youth become less all-important and less demanding of our attention. Young people feel that every perceived slight needs addressing. The heat goes to the head and mistakes are made. Older people consider more before responding. The Earth, too, went through a youthful…

Gold!

Rainbow’s end It is an amazing and powerful image. The wide lava fountain in the caldera like a wall flower in full bloom, with the cloud of volcano seeds above, the lava flowing from the bleeding flower, slowly re-filling one of the largest holes on Earth, and the distant rainbow linking the lava, the caldera,…