Show simple item record Lawrence en_US William M. en_US Barbara A. en_US Vassil en_US Geoffrey Alastair Thomas en_US Mayank en_US Ann G. en_US 2011-04-27T14:40:13Z 2011-04-27T14:40:13Z 2011-05 en_US
dc.identifier en_US
dc.identifier.citation Barham , L , Phillips , W M , Maher , B A , Karloukovski , V , Duller , G A T , Jain , M & Wintle , A G 2011 , ' The dating and interpretation of a Mode 1 site in the Luangwa Valley, Zambia ' Journal of Human Evolution , vol 60 , no. 5 , pp. 549-570 . , 10.1016/j.jhevol.2010.12.003 en_US
dc.identifier.other PURE: 159154 en_US
dc.identifier.other dspace: 2160/6697 en_US
dc.description.abstract Flake based assemblages (Mode 1) comprise the earliest stone technologies known, with well-dated Oldowan sites occurring in eastern Africa between similar to 2.6-1.7 Ma, and in less securely dated contexts in central, southern and northern Africa. Our understanding of the spread and local development of this technology outside East Africa remains hampered by the lack of reliable numerical dating techniques applicable to non-volcanic deposits. This study applied the still relatively new technique of cosmogenic nuclide burial dating ((10)Be/(26)Al) to calculate burial ages for fluvial gravels containing Mode 1 artefacts in the Luangwa Valley, Zambia. The Manzi River, a tributary of the Luangwa River, has exposed a 4.7 m deep section of fluvial sands with discontinuous but stratified gravel layers bearing Mode 1, possibly Oldowan, artefacts in the basal layers. An unconformity divides the Manzi section, separating Mode 1 deposits from overlying gravels containing Mode 3 (Middle Stone Age) artefacts. No diagnostic Mode 2 (Acheulean) artefacts were found. Cosmogenic nuclide burial dating was attempted for the basal gravels as well as exposure ages for the upper Mode 3 gravels, but was unsuccessful. The complex depositional history of the site prevented the calculation of reliable age models. A relative chronology for the full Manzi sequence was constructed, however, from the magnetostratigraphy of the deposit (N>R>N sequence). Isothermal thermoluminescence (ITL) dating of the upper Mode 3 layers also provided consistent results (similar to 78 ka). A coarse but chronologically coherent sequence now exists for the Manzi section with the unconformity separating probable mid- or early Pleistocene deposits below from late Pleistocene deposits above. The results suggest Mode 1 technology in the Luangwa Valley may post-date the Oldowan in eastern and southern Africa. The dating programme has contributed to a clearer understanding of the geomorphological processes that have shaped the valley and structured its archaeological record. (C) 2010 Elsevier Ltd. All rights reserved. en_US
dc.format.extent 22 en_US
dc.relation.ispartof Journal of Human Evolution en_US
dc.subject Cosmogenic nuclide dating en_US
dc.subject KENYA en_US
dc.subject HOMINID en_US
dc.subject BE-10 en_US
dc.subject Palaeomagnetism en_US
dc.subject Isothermal thermoluminescence en_US
dc.subject QUARTZ en_US
dc.subject ISOTHERMAL TL en_US
dc.subject SOUTH-AFRICA en_US
dc.subject AL-26 en_US
dc.subject South-central Africa en_US
dc.title The dating and interpretation of a Mode 1 site in the Luangwa Valley, Zambia en_US
dc.contributor.pbl Institute of Geography & Earth Sciences en_US
dc.contributor.pbl Quaternary Environmental Change Group en_US

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