DUVAL Et Al. (2009) - ESR Datin of FN3, BL y Venta Micena

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  • 8/7/2019 DUVAL Et Al. (2009) - ESR Datin of FN3, BL y Venta Micena

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    2009 SEQS CONFERENCE, ORCE AND LUCENA, SPAIN

    ESR DATING OF THE LOWER PLEISTOCENE SITES OF ORCE (GUADIX-BAZABASIN, ANDALUSIA, SPAIN): FUENTE NUEVA III, BARRANCO LEN ANDVENTA MICENA

    M. DUVAL, National Research Centre on Human Evolution, Avda. de la Paz 28,09004-Burgos, Spain. Email: [email protected]. FALGURES, Musum National d Histoire Naturelle, Dpartement de Prhistoire,UM R5198, 1 rue R. Panhard 75013 Paris, France.J.J. BA HA I N, Musum National d Histoire Naturelle, Dpartement de Prhistoire,UM R5198, 1 rue R. Panhard 75013 Paris, France.P. VOI NCHET, Musum National d Histoire Naturelle, Dpartement de Prhistoire,UM R5198, 1 rue R. Panhard 75013 Paris, France.R. GRN, Research School of Earth Science, The Australian National University,Canberra, ACT0200, Australia.M. A U B ERT, Research School of Earth Science, The A ustral i an N ational U niversity,Canberra, ACT0200, AustraliaJ. AGUST, ICREA-Institute of Human Paleoecology and s. Evolution, Pl. ImperialTarraco 1. 43005-Tarragona. Spain. Email: [email protected]. MARTNEZ NAVARRO, Grup d Autoecologia Humana, Un. Ass. CSIC, Area dePrehistri a, U niversitat Rovi ra i V i rgi l i. Pl aa Imperial Tarraco 1, 43005-Tarragona,Spain. E-m ai l :[email protected]. TORO MOYANO, Museo arqueolgico y Etnolgico de Granada, Carrera delDarro41-43, 18010 Granada, Spain. Email : isidro.toro@j untadeandal uci a.es

    The Guadix-Baza basi n (A ndal usi a, Spai n) is one of the foremost places i n Europe with

    evidence of early human settlements. The basi n has accumul ated a massive sequence ofNeogen-Quaternary sedi ments which contains a detailed archive of thepalaeoenvi ronmental and pal aeocl i matic changes si nce the Miocene. The numerous

    palaeontological remains discovered from more than a hundred sites, together with a

    well-defi ned magnetostratigraphical framework, have establ ished the basi n as a

    reference sequence for the European Pliocene-Quaternary period.The most famous Plio-Pleistocene localities are located i n the eastern part of the basi n,near the vi ll age of Orce. The sites of Fuente Nueva III and Barranco Len have

    delivered an archaic lithic industry associated with Early Pleistocene fauna, indicating

    one of the oldest occupations of Western Europe. A thi rd site, Venta Micena, whichcontai ned l arge and detailed pal aeontological assembl ages (several thousands of

    remains), has become a reference locality for the Early Pleistocene biochronology.The chronostratigraphical framework of these sites was establ ished mai nly by the

    combination of several methods: biochronology (small and large-mammals) andpalaeomagnetism. In order to complement this framework and to test the rel i abi l ity of

    the Electron Spin Resonance (ESR) dating method, fossil teeth and sedimentary quartzrecovered from these three localities were analysed. Our results unambiguously

    demonstrate the antiquity of the sites and thei r Early Pleistocene ages, but show also

    some methodological l i mits of the ESR method for such ancient periods in fl uvio-lacustri ne sedi mentary environments.

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