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Ref : T00040
Theme :
Earth in Space - Partial (172 images)
Title : Richat Structure
Caption :
The so-called Richat Structure is a geological formation in the Maur Adrar Desert in the African country of Mauritania. Although it resembles an impact crater, the Richat Structure formed when a volcanic dome hardened and gradually eroded, exposing the onion-like layers of rock.
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