Richat Structure, Mauritania

Structure or dome Richat Richat, nicknamed “the eye of Africa” ​​or traditionally Guelb er Richat is a geological formation in the Sahara Desert in Mauritania near Ouadane. Long considered a “scientific mystery”, it is about 50 km in diameter and is fully observed from space. Largely revealed in 1965 by an American Gemini mission, it would be based on the latest scientific geological interpretations, the result of a volcanic phenomenon giant old 100 million years (Cretaceous), totally collapsed after a long differential erosion.

This is the source of an ancient watercourse called O. Saguiet el Hanura.dfsdgh sasdfg