The peninsula is about 4 km wide and 10 km in length and lies in a NNW-SSE direction in the Quaternary period rift zone of the southern Afar Region.
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It is part of the Afar Depression that has created other rich human fossil sites such as Gona and Hadar.
formation | Command (military formation) | Elliot Formation | Lance Formation | Crato Formation | Chinle Formation | Two Medicine Formation | Tamayama Formation | Missing Man Formation (band) | Missing Man Formation | Marcellus Formation | Kirkwood Formation | Gettysburg Formation | Clarens Formation | Whitby Mudstone Formation | Tunbridge Wells Sand Formation | Santana Formation | Phalanx formation | phalanx formation | Mahantango Formation | Leduc Formation | Identity formation | Hanson Formation | Formation (stratigraphy) | formation (stratigraphy) | Formation | Centre International de Formation Européenne | Bakken formation | Yixian Formation | Vectis Formation |