description Turkana Basin Overview
The Turkana Basin is a geological and drainage basin centered on Lake Turkana and extending across northern Kenya and southern Ethiopia within the East African Rift system. Its exposed sedimentary deposits preserve fossils and archaeological evidence spanning major stages of primate and human evolution. Discoveries include KNM-ER 1470, a large early Homo cranium found at Koobi Fora in 1972, as well as numerous hominin, animal, and stone-tool remains used in paleoanthropological research.
insights Ranking position
Turkana Basin ranks #9 of 96 in the Badland ranking, behind Talampaya National Park, ahead of Zhangye Danxia Landform.
help Turkana Basin FAQ
Why is the Turkana Basin important to human-evolution research?
Its exposed sediments preserve hominin fossils, stone tools and environmental evidence from several major stages of human evolution. Finds associated with the basin include the Nariokotome skeleton, often called Turkana Boy.
Where was Turkana Boy discovered?
Kamoya Kimeu discovered the skeleton near Nariokotome on the western side of Lake Turkana in 1984. It is one of the most complete early human skeletons known and is generally assigned to Homo ergaster or African Homo erectus.
Which major fossil sites surround Lake Turkana?
Koobi Fora lies east of the lake, while important western localities include Nariokotome and sites in the Nachukui Formation. The broader basin also extends north into Ethiopia's lower Omo region.
Is the Turkana Basin only an archaeological site?
No, it is also an active geological and hydrological basin within the East African Rift. Lake Turkana, volcanic deposits and layered sediments allow researchers to connect fossils with dated eruptions and past environmental change.
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