Façonnage unifacial et débitage bipolaire sur enclume : deux classiques de la préhistoire brésilienne

Lourdeau, Antoine; Lima, Jade Paiva De; Noleto, Cleiciane Aiane

doi:10.1016/j.anthro.2023.103189

Cited by 2 publications

(1 citation statement)

References 32 publications

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“…5). Balarezo et al, 2023 ;Forestier et al, 2023b ;Gaillard., 2023) ; b) le monde végétal ou la face cachée du monde minéral en Amérique du Sud et en Asie du Sud-Est (Gonzalez-Varas, 2023 ;Eduardo-Lopez et Cano, 2023 ;Xhauflair et al, 2023 ;Forestier et al, 2023b) ; c) des comportements techniques et culturels originaux en Asie du Sud-Est, de l'Est et de l'Ouest, en Afrique de l'Ouest et en Amérique du Sud (de Saint-Aubert et al, 2023 ;Zhou et al ;Beshkani, 2023 ;Mesfin et al, 2023 ;Lourdeau et al, 2023) ; d) l'histoire évolutive et les relations complexes entre les hominines et les cultures matérielles en Afrique (Prat, 2023).…”

Section: Des Trajectoires Techniques Et Comportementales Aux Préhisto...unclassified

Pré-histoire(s) tropicale(s) et subtropicales(s)

Bonilauri,

Forestier

2023

L'Anthropologie

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Section: Des Trajectoires Techniques Et Comportementales Aux Préhisto...unclassified

Pré-histoire(s) tropicale(s) et subtropicales(s)

Bonilauri,

Forestier

2023

L'Anthropologie

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New Approaches to the Bipolar Flaking Technique: Qualitative, Quantitative, and Kinematic Perspectives

Yeşilova,

Arroyo,

Vergès

et al. 2024

J Archaeol Method Theory

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The bipolar technique is a flaking strategy that has been identified from 3.3 Ma until the twentieth century, with no geographical or chronological homogeneous distribution. It is represented by the intentional contact of an active percussive element against a core rested on an anvil. This tool composite has been described by some researchers as a sign of low-skill of hominins, unable to perform successfully free-hand flaking or for flaking low-quality raw materials. Based on this premise, our research focused on the following question: Are there any quantitative and qualitative differences in terms of both kinematic parameters and technical skills between knappers with different levels of expertise when flaking using the bipolar technique? To get an answer, we developed a systematic experimental program with 12 volunteer participants with different levels of expertise. Then, to assess potential quantifiable differences and to understand the mechanics of bipolar technology, we did a video motion analysis based on kinematic parameters (including position, velocity, acceleration, and kinetic energy of the hammerstone). In addition, we performed a technological analysis of the experimental lithic assemblages to assess the technological differences between knappers based on their levels of expertise. In kinematic parameters, both statistical analysis and observations from the experiment clearly show that there are differences between the levels of expertise in this technique. Intermediate knappers have been observed to apply more velocity and kinetic energy than experts and novices. Also, differences were observed in the flaking strategies. Expert knappers show a longer reduction sequence, while intermediates show shorter one. Moreover, some of the novice knappers did not even obtain a single flake. The results of our experiment stress the complexity of bipolar flaking and that previous assumptions about it might be reconsidered, especially in terms of reconsidering the negative connotations attributed to this flaking technique.

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Façonnage unifacial et débitage bipolaire sur enclume : deux classiques de la préhistoire brésilienne

Cited by 2 publications

References 32 publications

Pré-histoire(s) tropicale(s) et subtropicales(s)

Pré-histoire(s) tropicale(s) et subtropicales(s)

New Approaches to the Bipolar Flaking Technique: Qualitative, Quantitative, and Kinematic Perspectives

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