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New insights into a late-Pleistocene human occupation in America: The Vale da Pedra Furada complete chronological study
Institution:1. IRAMAT-CRP2A UMR 5060 CNRS – University of Bordeaux-Montaigne, Pessac, France;2. ArScAn – AnTET UMR 7041 CNRS – University of Paris Ouest – Nanterre, Nanterre, France;3. Laboratoire des Sciences du Climat et de l''Environnement UMR 8212 CNRS-CEA-UVSQ, Gif sur Yvette, France;4. CSIC- Institución Milá y Fontanals (IMF), Departamento de Arqueología y Antropología + grupo AGREST, Barcelona, Spain;5. Instituto de Ciencias Ambientales y Evolutivas, Universidad Austral de Chile, Chile;6. Fundação Museu do Homem Americano (FUMDHAM), São Raimundo Nonato, Brazil;7. Département de Préhistoire du Muséum National d''Histoire Naturelle, UMR7194, Paris, France;8. Archaeology department, Universidade Federal de Pernambuco, Recife/PE, Brazil;1. Département de Préhistoire du Muséum national d’Histoire naturelle, UMR 7194, 1 rue René-Panhard, 75013 Paris, France;2. Institut de Chimie et des Matériaux Paris-Est, UMR7182 du CNRS, 2 à 8 rue Henri Dunant, 94320 Thiais, France;3. CEA, I²BM, Orsay Cedex 91401, France;4. College of Geography Science, Nanjing Normal University, Nanjing 210023, China;5. UMR 8198 Evo-Eco-Paléo, Université Lille 1, Villeneuve d''Ascq Cedex, F- 59655, France;6. Halma-Ipel, UMR 8164 CNRS, Université de Lille 1, Villeneuve d''Ascq, F-59655, France;1. Leibniz Institute for Applied Geophysics (LIAG), Stilleweg 2, 30655 Hannover, Germany;2. Department of Geography, RWTH Aachen University, Templergraben 55, 52056 Aachen, Germany;1. University of Greifswald, Institute of Geography and Geology, F.-L. Jahn Str. 17a, 17487 Greifswald, Germany;2. Leibniz Institute for Applied Geophysics (LIAG), Geochronology and Isotope Hydrology, Stilleweg 2, 30655 Hannover, Germany;1. Department of Earth and Planetary Science, The University of Tokyo, Hongo, Tokyo, Japan;2. Nordic Laboratory for Luminescence Dating, Department of Geoscience, Aarhus University, Risø Campus, Roskilde, Denmark;3. Center for Nuclear Technologies, Technical University of Denmark, DTU Risø Campus, Roskilde, Denmark;4. College of Geographic Science, Nanjing Normal University, Nanjing, China;5. Graduate School of Environmental Science, Hokkaido University, Sapporo, Hokkaido, Japan;6. School of Earth Science and Engineering, Nanjing University, Nanjing, China;7. Faculty of Environmental Earth Science, Hokkaido University, Sapporo, Hokkaido, Japan;1. IRAMAT-CRP2A, “Institut de Recherche sur les ArchéoMATériaux – Centre de Recherche en Physique Appliquée à l''Archéologie”, UMR5060 CNRS-Université de Bordeaux-Montaigne, Maison de l''Archéologie, Esplanade des Antilles, 33607 Pessac cedex, France;2. AUSONIUS, “Institut de Recherche sur l''Antiquité et le Moyen Age”, UMR5607 CNRS-Université Bordeaux-Montaigne, Maison de l''Archéologie, Esplanade des Antilles, Domaine Universitaire, 33607 Pessac, France
Abstract:Within the framework of the studies focusing on the Pleistocene peopling of the Americas, our French-Brazilian team has undertaken a pluridisciplinary research on different archaeological sites, inside and in the neighborhood of the Serra da Capivara National Park, in Brazilian Nordeste. The present study regards an archaeological site, Vale da Pedra Furada, situated in the Piauí state in Brazil. The results of technological and functional studies suggest the existence of different successive human occupations during the Pleistocene in this region. Moreover, the geological and geomorphological studies shed new light on our understanding of sedimentary processes and confirm that the levels were not subject to any significant post-depositional processes. This is also confirmed by macro- and micro-analysis of quartz artefact surfaces. The chronological study has recently been completed employing both radiocarbon and luminescence techniques; radiocarbon dates were obtained on charcoal, multi-grain and single-grain OSL ages on sedimentary quartz grains. The results obtained with the different methods are consistent with each other: the most recent archaeological level is dated to around 8 ka and the oldest to 24 ka, indicating the open-air site of Vale da Pedra Furada to be a succession of human occupations beginning from OIS 2. These results are discussed in the context of some archaeological sites studied in the Serra da Capivara National Park of the last few decades.
Keywords:Luminescence dating  Radiocarbon dating  Vale da Pedra Furada  America  Pleistocene  First settlements  Quartz
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