The Richat Structure, also known as the Eye of the Sahara, is a prominent circular feature in the Sahara desert of west – central Mauritania. Initially interpreted as a asteroid impact structure because of its high degree of circularity, it is now argued to be a highly symmetrical and deeply eroded geologic dome. These are incredible satellite images of the area with enhanced colouring so that all the various rock layers are exposed to their fullest....
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