Artigo de periodico

Hidden in plain sight: a microanalytical study of a Middle Stone Age ochre piece trapped inside a micromorphological block sample (2020)

• Authors:
  • Haaland, Magnus M
  • Strauss, André Menezes
  • Velliky, Elizabeth C
  • Mentzer, Susan M
  • Miller, Christopher E
  • Niekerk, Karen L. van
  • Henshilwood, Christopher S
• Autor USP: STRAUSS, ANDRE MENEZES - MAE
• Unidade: MAE
• DOI: 10.1002/gea.21830
• Subjects: GEOARQUEOLOGIA; ARTEFATOS (ARQUEOLOGIA)
• Agências de fomento:
  • FAPESP
  • FP7 Ideas: European Research Council
  • Norges Forskningsråd
  • Deutsche Forschungsgemeinschaft
• Language: Inglês
• Abstract: A complete Middle Stone Age ochre piece was unintentionally collected and fully preserved within a micromorphological block sample intended to characterise a 74 ± 3 ka occupation horizon at Blombos Cave, South Africa. Previously recovered ochre pieces from the same stratigraphic context (Still Bay) have displayed intricate modification patterns with significant behavioural implications. Yet, in the case of the trapped ochre, a direct visual assessment of its surfaces was impossible due to its impregnated state. In this study, we demonstrate how we successfully reconstructed three-dimensionally and characterised the block-sampled ochre piece using high-resolution microcomputed tomography scanning coupled with a range of microanalytical techniques, including optical petrography, micro-Fourier transform infra-red spectroscopy, micro-X-ray fluorescence and micro-Raman spectroscopy. Through a morphometric analysis of the score marks present on the trapped ochre's reconstructed surface, we were able to assess the types of modifications and the nature of the actions that created them. Our results show that a block sample-based study of archaeological artefacts allows for a comprehensive assessment of their depositional and microcontextual setting, their external morphology and microtopography, as well as their internal texture and geochemical properties. We suggest that this type of context-sensitive, multiscalar and multidisciplinary investigation may also prove beneficial in the study of conventionally recovered archaeological artefacts
• Imprenta:
  • Publisher place: Hoboken
  • Date published: 2020
• Source:
  • Título: Geoarchaeology. An International Journal
  • Volume/Número/Paginação/Ano: v. 36, n. 2, p. 283-313, mar./abril 2021

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• ABNT

  HAALAND, Magnus M et al. Hidden in plain sight: a microanalytical study of a Middle Stone Age ochre piece trapped inside a micromorphological block sample. Geoarchaeology. An International Journal, v. 36, n. 2, p. 283-313, 2020Tradução . . Disponível em: https://doi.org/10.1002/gea.21830. Acesso em: 13 mar. 2026.

• APA

  Haaland, M. M., Strauss, A. M., Velliky, E. C., Mentzer, S. M., Miller, C. E., Niekerk, K. L. van, & Henshilwood, C. S. (2020). Hidden in plain sight: a microanalytical study of a Middle Stone Age ochre piece trapped inside a micromorphological block sample. Geoarchaeology. An International Journal, 36( 2), 283-313. doi:10.1002/gea.21830

• NLM

  Haaland MM, Strauss AM, Velliky EC, Mentzer SM, Miller CE, Niekerk KL van, Henshilwood CS. Hidden in plain sight: a microanalytical study of a Middle Stone Age ochre piece trapped inside a micromorphological block sample [Internet]. Geoarchaeology. An International Journal. 2020 ; 36( 2): 283-313.[citado 2026 mar. 13 ] Available from: https://doi.org/10.1002/gea.21830

• Vancouver

  Haaland MM, Strauss AM, Velliky EC, Mentzer SM, Miller CE, Niekerk KL van, Henshilwood CS. Hidden in plain sight: a microanalytical study of a Middle Stone Age ochre piece trapped inside a micromorphological block sample [Internet]. Geoarchaeology. An International Journal. 2020 ; 36( 2): 283-313.[citado 2026 mar. 13 ] Available from: https://doi.org/10.1002/gea.21830

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