Human occupation in South America by 20,000 BC: the Toca da Tira Peia site,Piauí, Brazil |
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| Authors: | Christelle Lahaye Marion Hernandez Eric Boëda Gisele D Felice Niède Guidon Sirlei Hoeltz Antoine Lourdeau Marina Pagli Anne-Marie Pessis Michel Rasse Sibeli Viana |
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| Institution: | 1. Université Michel de Montaigne Bordeaux 3, UMR 5060 CNRS – IRAMAT-CRP2A, Institut de Recherche sur les Archéomatériaux, Maison de l''Archéologie, 33607 Pessac, France;2. Université Paris X – Nanterre UMR 7041 CNRS ArScAn Anthropologie des Techniques, des Espaces et des Territoires au Pliocène et Pléistocène (AnTET), Maison de l''Archéologie et de l''Ethnologie, 21 allée de l’Université, 92023 Nanterre Cedex, France;3. Fundação Museu do Homem Americano (FUMDHAM), Brazil;4. Universidade Federal do Vale do São Francisco, Brazil;5. Archaeo – Pesquisas Arqueológicas, Brazil;6. Universidade Federal de Pernambuco – Departamento de Arqueologia, Recife, PE, Brazil;g Université de Rouen France, France;h Pontificia Universidade Católica de Goiás/Instituto Goiano de Pré-História e Antropologia, Goiânia, Brazil |
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| Abstract: | When and how did the first human beings settle in the American continent? Numerous data, from archaeological researches as well as from palaeogenetics, anthropological and environmental studies, have led to partially contradictory interpretations in recent years, often because of the lack of a reliable chronological framework. The present study contributes to the establishment of such a framework using luminescence techniques to date a Brazilian archaeological site, the Toca da Tira Peia. It constitutes an exemplary case study: all our observations and measurements tend to prove the good integrity of the site and the anthropological nature of the artifacts and we are confident in the accuracy of the luminescence dating results. All these points underline the importance of the Toca da Tira Peia. The results bring new pieces of evidence of a human presence in the north-east of Brazil as early as 20,000 BC. The Toca da Tira Peia thus contributes to the rewriting of the history of the peopling of the American continent. |
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| Keywords: | Optically stimulated luminescence dating Toca da Tira Peia Brazil First peopling in America Luminescence |
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