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    Raman spectroscopy and scanning electron microscopy confirm ochre residues on 71,000-year-old bifacial tools from Sibudu, South Africa

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    Wojcieszak&Wadley(2018)_Raman spectroscopy and scanning electronic microscopy confirm ochre residues on 71,000 year old bifacial tools from Sibudu, South Africa_Archaeometry.pdf (883.9Kb)
    Authors
    Wojcieszak, Marine
    Discipline
    Physical sciences
    Audience
    Scientific
    Date
    2018
    Metadata
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    Description
    Micro-residue analysis of stone tools is generally performed with optical light microscopy and the visual observations are then compared with experimental, replicated pieces. This paper complements such archaeological research by providing physico-chemical evidence. Raman spectroscopy and scanning electron microscopy have been used to confirm the presence of hematite on red-stained medial and proximal parts of 71 000-year-old Still Bay bifacial tools from Sibudu Cave. Our results confirm the conclusion from optical light microscopy that the tools were hafted with an ochre-loaded adhesive. However, we point to some instances when hematite residues are incidental or may be inclusions in the rock used to make the stone tools.
    Citation
    Raman spectroscopy and scanning electron microscopy confirm ochre residues on 71,000-year-old bifacial tools from Sibudu, South Africa
    Identifiers
    uri: https://orfeo.belnet.be/handle/internal/11021
    doi: http://dx.doi.org/10.1111/arcm.12369
    Type
    Article
    Peer-Review
    Yes
    Language
    eng
    Links
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