Guelb er Richat (arabisch قلب الريشات, DMG Qalb ar-Rīšāt), deutsch auch Richat-Struktur, umschrieben mit Auge Afrikas oder Bull's eye, ist ein ringförmiges, kraterähnliches geologisches Gebilde in der Sahara, in Mauretanien. Guelb bedeutet in der flachen Sahara „Inselberg“. This prominent circular feature in the Sahara desert of Mauritania has since the earliest space missions because it forms a conspicuous bull's-eye in the. The Richat Structure in Mauritania is a strange circular feature found in the desert. Though it is barely.
Resistant beds of Paleozoic quartzites mark the rings as high ridges with less resistive beds eroding into valleys. False coloring as follows: And new questions arise. An isolated Cretaceous alkaline—hydrothermal complex Journal of African Earth Sciences. Northwest of the eye is with Kediet ej Jill Mountain, Mauritania's highest peak nearly meters. Impact craters are geologically important because they tell us about the history of Earth. Scientists are still mystified by the 'Eye of the Sahara' Meghan Bartels.
Eye of sahara Video
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