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

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          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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          Luminescence dating of quartz using an improved single-aliquot regenerative-dose protocol

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            OPTICAL DATING OF SINGLE AND MULTIPLE GRAINS OF QUARTZ FROM JINMIUM ROCK SHELTER, NORTHERN AUSTRALIA: PART I, EXPERIMENTAL DESIGN AND STATISTICAL MODELS

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              A Pliocene-Pleistocene stack of 57 globally distributed benthic δ18O records

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                Author and article information

                Contributors
                Role: ConceptualizationRole: Data curationRole: Formal analysisRole: Funding acquisitionRole: InvestigationRole: MethodologyRole: Project administrationRole: ResourcesRole: SoftwareRole: SupervisionRole: ValidationRole: VisualizationRole: Writing – original draftRole: Writing – review & editing
                Role: ConceptualizationRole: Data curationRole: Formal analysisRole: InvestigationRole: Methodology
                Role: ConceptualizationRole: Data curationRole: Formal analysisRole: InvestigationRole: MethodologyRole: Writing – original draftRole: Writing – review & editing
                Role: Data curationRole: Formal analysisRole: InvestigationRole: MethodologyRole: SoftwareRole: Writing – original draftRole: Writing – review & editing
                Role: Data curationRole: Formal analysisRole: Funding acquisitionRole: InvestigationRole: MethodologyRole: Project administrationRole: ResourcesRole: SupervisionRole: ValidationRole: Writing – original draftRole: Writing – review & editing
                Role: Formal analysisRole: MethodologyRole: Writing – original draftRole: Writing – review & editing
                Role: Data curationRole: Formal analysisRole: Writing – original draftRole: Writing – review & editing
                Role: Data curationRole: Formal analysisRole: MethodologyRole: Writing – original draftRole: Writing – review & editing
                Role: Formal analysisRole: InvestigationRole: MethodologyRole: Writing – original draftRole: Writing – review & editing
                Role: Data curationRole: Formal analysisRole: MethodologyRole: Software
                Role: Data curationRole: Project administration
                Role: Formal analysis
                Role: Formal analysis
                Role: Data curationRole: Supervision
                Role: Data curation
                Role: Data curation
                Role: Data curationRole: Funding acquisitionRole: Supervision
                Role: Formal analysisRole: MethodologyRole: SupervisionRole: Validation
                Role: Data curationRole: Investigation
                Role: Formal analysisRole: InvestigationRole: MethodologyRole: Supervision
                Role: Data curationRole: Investigation
                Role: Formal analysisRole: InvestigationRole: Methodology
                Role: Data curationRole: Investigation
                Role: Data curationRole: Investigation
                Role: Data curationRole: Formal analysisRole: InvestigationRole: Methodology
                Role: Data curation
                Role: Data curation
                Role: Data curationRole: Formal analysisRole: Funding acquisitionRole: InvestigationRole: SupervisionRole: Validation
                Role: Editor
                Journal
                PLoS One
                PLoS One
                plos
                plosone
                PLoS ONE
                Public Library of Science (San Francisco, CA USA )
                1932-6203
                10 March 2021
                2021
                : 16
                : 3
                Affiliations
                [1 ] ArScAn-Équipe AnTET, UMR 7041, CNRS, Université Paris Nanterre (UPN), Nanterre, France
                [2 ] Department of Anthropology, UFR SSA, Université Paris Nanterre (UPN), Nanterre, France
                [3 ] PPGArq-Museu Nacional, Universidade Federal do Rio de Janeiro (UFRJ), Rio de Janeiro, Brazil
                [4 ] Institut français d’études andines (IFEA), Lima, Peru
                [5 ] LSCE/LAMPEA, UMR 8212, CNRS, CEA UVSQ, Université Paris-Saclay, Gif-sur-Yvette, France
                [6 ] IRAMAT-CRP2A, UMR 5060, CNRS, Bordeaux Montaigne University, Pessac, France
                [7 ] Instituto de Ciencias de la Tierra and TAQUACH, Universidad Austral de Chile, Valdivia, Chile
                [8 ] Archaeology of Social Dynamics (2017SGR995), CSIC-IMF, Barcelona, Spain
                [9 ] MAE–Museu de Arqueologia e Etnologia, Universidade de São Paulo (USP), São Paulo, Brazil
                [10 ] Universidade Federal do Vale do São Francisco (UNIVASF), Petrolina, Brazil
                [11 ] Universidade Federal do Piauí (UFPI), Teresina, Brazil
                [12 ] Instituto do Patrimonio Histórico e Artístico Nacional (IPHAN), Piauí, Brazil
                [13 ] Archaeo: Pesquisas Arqueológicas, Cuiabá/MT, Brazil
                [14 ] Fundação Museu do Homem Americano (FUMDHAM), São Raimundo Nonato, Piauí, Brazil
                [15 ] Universidade Federal do Rio Grande (FURG), Rio Grande, Brazil
                [16 ] EDYTEM UMR 5204 CNRS, Université Savoie Mont Blanc, Le Bourget-du-Lac, France
                [17 ] Universidade Federal de Sergipe (UFS), , Sergipe, Brazil
                [18 ] Pontificia Universidade Católica de Goiás (PUC-GO), Instituto Goiano de Pré-História e Antropologia (IGPA), Goiânia, Brazil
                Universita degli Studi di Ferrara, ITALY
                Author notes

                Competing Interests: The authors have declared that no competing interests exist.

                Article
                PONE-D-20-30569
                10.1371/journal.pone.0247965
                7946292
                33690652
                © 2021 Boëda et al

                This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

                Page count
                Figures: 13, Tables: 0, Pages: 27
                Product
                Funding
                Funded by: French Ministry of Europe and Foreign Affairs
                Award Recipient :
                Funding was provided by the French Ministry of Europe and Foreign Affairs. The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.
                Categories
                Research Article
                Social Sciences
                Archaeology
                Biology and Life Sciences
                Paleontology
                Paleoanthropology
                Earth Sciences
                Paleontology
                Paleoanthropology
                Social Sciences
                Anthropology
                Physical Anthropology
                Paleoanthropology
                Biology and Life Sciences
                Physical Anthropology
                Paleoanthropology
                Social Sciences
                Archaeology
                Archaeological Dating
                Earth Sciences
                Geology
                Stratigraphy
                Earth Sciences
                Geology
                Petrology
                Sediment
                Earth Sciences
                Geology
                Sedimentary Geology
                Sediment
                Social Sciences
                Archaeology
                Archaeological Dating
                Radioactive Carbon Dating
                Research and Analysis Methods
                Chemical Characterization
                Isotope Analysis
                Radioactive Carbon Dating
                Earth Sciences
                Geology
                Geologic Time
                Cenozoic Era
                Quaternary Period
                Pleistocene Epoch
                Social Sciences
                Sociology
                Culture
                Custom metadata
                All relevant data are within the paper and its Supporting Information files.

                Uncategorized

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