Browsing by UP Author "Tiley-Nel, Sian Lisa"

Browsing by UP Author "Tiley-Nel, Sian Lisa"

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  • Conservation of the Mapungubwe gold collection 
    Tiley-Nel, Sian Lisa; Botha, Hazel (Routledge, 2013-03)
    The basic objective of this article is to elucidate the conservation of the African Iron Age Mapungubwe gold collection from South Africa which is curated by the University of Pretoria. This nationally significant ...
  • The Dating of the gold graves from Mapungubwe Hill 
    Tiley-Nel, Sian Lisa; Woodbourne, S.; Pienaar, M. (Journal of African Archaeology, 2009)
    This paper presents direct dating evidence for the manufacture of some of the gold artefacts from the Iron Age archaeological site of Mapungubwe Hill (South Africa). The results confirm that the artefacts are contemporaneous ...
  • Electrochemical dating of archaeological gold based on refined peak current determinations and Tafel analysis 
    Domenech-Carbo, Antonio; Scholz, Fritz; Brauns, Michael; Tiley-Nel, Sian Lisa; Oliver, Arturo; Aguilella, Gustavo; Montoya, Noemi; Domenech-Carbo, María Teresa (Elsevier, 2020-03)
    This report proposes a refined method to date archaeological gold samples based on the Tafel analysis of the ascending part of voltammetric curves corresponding to the oxidation of surface flakes of gold in contact with ...
  • Electrochemical dating of archaeological gold based on repetitive voltammetry monitoring of silver/copper in depth concentration gradients 
    Domenech-Carbo, Antonio; Scholz, Fritz; Brauns, Michael; Tiley-Nel, Sian; Van Bennekom, Joosje; Van Bork, Ellen; Barrio, Joaquin; Martinez-Caballero, Santiago; Oliver, Arturo; Aguilella, Gustavo; Martinez, Betlem; Domenech-Carbo, María Teresa (Elsevier, 2023-07)
    The use of repetitive voltammetry for dating archaeological gold objects is described. The method involves the record of the gold- silver-, and copper-related voltammetric responses obtained for metal nanosamples attached ...
  • The lottering connection : revisiting the ‘discovery’ of Mapungubwe 
    Wintjies, Justine; Tiley-Nel, Sian Lisa (South African Archaeological Society, 2019-09)
    The iconic 13th-century hilltop site of Mapungubwe (Limpopo Province, South Africa) has been investigated archaeologically for almost nine decades, yet little is known about its living context prior to its ‘discovery’ ...
  • Sermons in Stones, Poetry in Potsherd s: the history of the Mapungubwe collection at the University of Pretoria 
    Tiley-Nel, Sian Lisa (Chris Van Rensburg Publishing PTY (Ltd), 2011)
    The history of the Mapungubwe archaeological collection is fragmentary and complicated, beginning with the unpublished archival sources, where valuable information is hidden in the depths of hundreds of historical documents. ...