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24.0 kyr cal BP stone artefact from Vale da Pedra Furada, Piauí, Brazil: Techno-functional analysis

Eric Boëda 1 Marcos Ramos 2 Antonio Pérez 1, 3 Christine Hatté 4, 5 Christelle Lahaye 6 Mario Pino 7 David Hérisson 1 Ignacio Clemente-Conte 8 Michel Fontugne 9, 4, 5 Guillaume Guérin 6 Ximena Villagran 10 Janaina Santos 11 Lucas Costa 12 Lucie Germond 1 Nelson Eric Ahmed-Delacroix 1 Amelie da Costa 1 Carolina Borges Sirley Hoeltz Gisele Felice 11 María Gluchy Grégoire van Havre 12 Christophe Griggo 13 Livia Lucas 14 Iderlan de Souza 12 Sibeli Viana André Strauss 10 Jennifer Kerner 15 Niède Guidon
Abstract : Current archaeological paradigm proposes that the first peopling of the Americas does not exceed the Last Glacial Maximum period. In this context, the acceptance of the anthropogenic character of the earliest stone artefacts generally rests on the presence of projectile points considered no more as typocentric but as typognomonic, since it allows, by itself, to certify the human character of the other associated artefacts. In other words, without this presence, nothing is certain. Archaeological research at Piauí (Brazil) attests to a Pleistocene human presence between 41 and 14 cal kyr BP, without any record of lithic projectile points. Here, we report the discovery and interpretation of an unusual stone artefact in the Vale da Pedra Furada site, in a context dating back to 24 cal kyr BP. The knapping stigmata and macroscopic use-wear traces reveal a conception centred on the configuration of double bevels and the production in the same specimen of at least two successive artefacts with probably different functions. This piece unambiguously presents an anthropic character and reveals a technical novelty during the Pleistocene occupation of South America.
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https://hal.archives-ouvertes.fr/hal-03165878
Contributeur : Christophe Griggo <>
Soumis le : jeudi 11 mars 2021 - 10:53:28
Dernière modification le : jeudi 6 mai 2021 - 10:54:08

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Eric Boëda, Marcos Ramos, Antonio Pérez, Christine Hatté, Christelle Lahaye, et al.. 24.0 kyr cal BP stone artefact from Vale da Pedra Furada, Piauí, Brazil: Techno-functional analysis. PLoS ONE, Public Library of Science, 2021, 16 (3), pp.e0247965. ⟨10.1371/journal.pone.0247965⟩. ⟨hal-03165878⟩

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