3.3-million-year-old stone tools from Lomekwi 3, West Turkana, Kenya - Archive ouverte HAL Access content directly
Journal Articles Nature Year : 2015

3.3-million-year-old stone tools from Lomekwi 3, West Turkana, Kenya

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Jason E. Lewis
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Craig S. Feibel
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Rhonda L. Quinn
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Adrian Arroyo
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Nicholas Taylor
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  • PersonId : 966832
Sophie Clément
Guillaume Daver
  • Function : Author
Louise Laekey
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Richard A. Mortlock
  • Function : Author
Sammy Lokorodi
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Christopher Kirwa
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Dennis V. Kent
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Hélène Roche
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  • PersonId : 830253

Abstract

Human evolutionary scholars have long supposed that the earliest stone tools were made by the genus Homo and that this technological development was directly linked to climate change and the spread of savannah grasslands. New fieldwork in West Turkana, Kenya, has identified evidence of much earlier hominin technological behaviour. We report the discovery of Lomekwi 3, a 3.3-million-year-old archaeological site where in situ stone artefacts occur in spatiotemporal association with Pliocene hominin fossils in a wooded palaeoenvironment. The Lomekwi 3 knappers, with a developing understanding of stone’s fracture properties, combined core reduction with battering activities. Given the implications of the Lomekwi 3 assemblage for models aiming to converge environmental change, hominin evolution and technological origins, we propose for it the name ‘Lomekwian’, which predates the Oldowan by 700,000 years and marks a new beginning to the known archaeological record.

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hal-01159189 , version 1 (02-06-2015)

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Sonia Harmand, Jason E. Lewis, Craig S. Feibel, Christopher J. Lepre, Sandrine Prat, et al.. 3.3-million-year-old stone tools from Lomekwi 3, West Turkana, Kenya. Nature, 2015, pp.310-315. ⟨10.1038/nature14464⟩. ⟨hal-01159189⟩
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