Karoo an immense volume of rocks which was formed, geologically speaking, in a short period of time. Although almost the whole of the Great Karoo is situated on Karoo Supergroup rocks, the geological Karoo rocks extend over a very much larger area, both within South Africa and Lesotho, but also beyond its borders and onto other continents that formed part of Gondwana. The Karoo Supergroup was formed in vast inland basin starting 320 million years ago, at a time when the part of Gondwana which would eventually become Africa lay over the South Pole. Icebergs that had calved off the glaciers
Monegros Desert Monegros Desert The Monegros Desert or Desierto de los Monegros is a semidesert in Aragón, northeastern Spain, spanning the provinces of Zaragoza and Huesca. It is a semi arid zone prone to frequent droughts. It is noted for its annual electronic music festival held in mid-July, the Monegros Desert Festival. The Monegros Desert spans the provinces of Zaragoza and Huesca in the region of Aragón, including the "comarca" of Monegros in Huesca. Part of the desert lies in the Ebro Valley. The desert covers about and consists of 49 villages in 31 municipalities. The highest point of the Monegros Desert