Archaeological Occurrences of Early Pleistocene Age from the Shungura Formation, Lower Omo Valley, Ethiopia

@article{MERRICK1973ArchaeologicalOO,
  title={Archaeological Occurrences of Early Pleistocene Age from the Shungura Formation, Lower Omo Valley, Ethiopia},
  author={H. V. MERRICK and J. DE HEINZELIN and P. HAESAERTS and FergusW. Howell},
  journal={Nature},
  year={1973},
  volume={242},
  pages={572-575}
}
Stone artefacts have been excavated from stratified contexts in the upper members of the Shungura Formation. One occupation site and several secondarily-derived concentrations of artefacts were found. Potassium-argon age determinations for these occurrences indicate an age of approximately 2.0 million years. The artefacts recovered offer a contrast to those known from Lower Pleistocene deposits at Olduvai Gorge, Tanzania, and from still older deposits east of Lake Rudolf in Kenya. 

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