ESR chronology of alluvial deposits in the Arlanzón valley (Atapuerca,Spain): Contemporaneity with Atapuerca Gran Dolina site |
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| Institution: | 1. Département de Préhistoire, Muséum National d''Histoire Naturelle, UMR7194 du CNRS, 1 rue René Panhard, 75013 Paris, France;2. Area de Prehistoria, Universitat Rovira i Virgili (URV), Avinguda de Catalunya 35, 43002 Tarragona, Spain;3. IPHES, Institut Català de Paleoecologia Humana i Evolució Social, C/Escorxador, s/n, 43003 Tarragona, Spain;4. Research Center for Human Evolution (CENIEH), Paseo de Atapuerca, s/n, 09002 Burgos, Spain;5. Institute of Vertebrate Paleontology and Paleoanthropology of Beijing (IVPP), Beijing, China;6. Centro (UCM-ISCIII) de Evolución y Comportamiento Humanos. Instituto de Salud Carlos III. Monforte de Lemos 3-5, Pabellón 14, 28029 Madrid, Spain;1. Centro Nacional de Investigación sobre la Evolución Humana (CENIEH), Burgos, Spain;2. Research School of Earth Sciences, The Australian National University, Australia;1. IRAMAT-CRP2A, UMR 5060, CNRS - Université Bordeaux Montaigne, Pessac, Cedex, France;2. Australian Research Centre for Human Evolution (ARCHE), Environmental Futures Research Institute (EFRI), Nathan, QLD, 4111, Australia;3. Geochronology, Centro Nacional de Investigación sobre la Evolución Humana (CENIEH), Burgos, Spain;4. Institute of Geography, University of Cologne, Cologne, Germany;5. Inrap, Bègles, France;6. PACEA, UMR 5199, CNRS - Université de Bordeaux, Pessac, Cedex, France;7. EPOC – OASU, UMR 5805, CNRS - Université de Bordeaux, Pessac, Cedex, France;8. AUSONIUS, UMR 5607, CNRS - Université Bordeaux Montaigne, Pessac, Cedex, France;1. Geochronology, Centro Nacional de Investigación sobre la Evolución Humana (CENIEH), Burgos, Spain;2. Research School of Earth Sciences, The Australian National University, Canberra, Australia;3. Environmental Futures Research Institute, Griffith University, Brisbane, Australia;1. Programa de Geocronología, Centro Nacional de Investigación sobre la Evolución Humana, CENIEH, Spain;2. Muséum National d''histoire Naturelle, Département de Préhistoire, UMR7194 du CNRS, France;3. URV, Universitat Rovira i Virgili, Àrea de Prehistòria, Avinguda de Catalunya 35, 43002, Tarragona, Spain;4. UOC, Universitat Oberta de Catalunya (UOC), Avinguda del Tibidabo 39-43, 08035, Barcelona, Spain;5. Research School of Earth Sciences, The Australian National University, Australia;6. Nanjing Normal University, College of Geography Science, Nanjing, China;1. UMR 7194 HNHP, Muséum National d’Histoire Naturelle, Département Homme et Environnement, 1 rue René Panhard, 75013, Paris, France;2. Australian Research Centre for Human Evolution (ARCHE), Environmental futures Research Institute, Griffith University, NATHAN QLD, 4111, Australia;3. Geochronology, Centro Nacional de Investigación sobre la Evolución Humana (CENIEH), Paseo Sierra de Atapuerca, 3, 09002, Burgos, Spain;4. BRGM, DGR/GAT, 3 Avenue Claude Guillemin, BP 36009, 45060, Orléans, France;5. UMR7194 HNHP, France;6. Nanjing Normal University, College of Geography Science, Nanjing, China;7. GéoArchÉon SARL, 30, rue de la Victoire, F-55210 Viéville-sous-les-Côtes, France & Laboratoire de Géographie Physique Environnements quaternaires et actuels (UMR 8591, CNRS-Universités Paris I & Paris XII), 1 place Aristide Briand, F-92195 Meudon cedex, France;8. Université de Bordeaux, PACEA, UMR 5199, F-33615, Pessac Cedex, France;9. Service Régional de l''Archéologie, Direction régionale des Affaires culturelles de Basse-Normandie, 13bis, rue de Saint-Ouen, 14052, Caen cedex 04 & UMR CNRS 6566, Université de Rennes 1, France;1. Geochronology Group, Centro nacional de investigación sobre la evolución humana (CENIEH), Paseo de Atapuerca 3, 09002 Burgos, Spain;2. Research School of Earth Sciences, The Australian National University, Mills Rd. Building 142, Canberra ACT 2601, Australia |
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| Abstract: | The Sierra de Atapuerca (Northern Spain) is characterized by a well-developed karst system where several major archaeological sites have been discovered, attesting an almost continuous hominin occupation of the area during the whole Pleistocene period. Previous geomorphological studies showed a connection between genesis of the karst system and the evolution of the nearby Arlanzón river Valley. However, numerical dating results were missing to refine the chronostratigraphical framework of the Arlanzón valley's fluvial incision. To address this, we applied the Electron Spin Resonance (ESR) dating method to sedimentary optically bleached quartz grains from several fluvial terraces. Nine samples were collected from five of the 14 identified terraces. The ESR age results are stratigraphically coherent and in general agreement with both previous geomorphological observations and available palaeomagnetic data. Consequently, an ESR chronology of the geological evolution of the Arlanzón valley is proposed, which can be then correlated to the sedimentary sequence of the palaeoanthropological site of Atapuerca Gran Dolina. Our results provide important information about the chronology of hominid occupation in this area during Early and Middle Pleistocene. |
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