Title
The so-called 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. 2001
Date
2001
Credit line
Photo12/Ann Ronan Picture Library
Reference
ARP15A02_098
License type
Rights managed
Available size
50.5Mb (3.2Mb) / 14.0in x 14.0in / 4200 x 4200 (300dpi)