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New method development in prehistoric stone tool research: evaluating use duration and data analysis protocols.

Adrian A Evans1, Danielle A Macdonald2, Claudiu L Giusca3

  • 1Department of Archaeological Sciences, School of Life Sciences, University of Bradford, United Kingdom.

Micron (Oxford, England : 1993)
|July 22, 2014
PubMed
Summary
This summary is machine-generated.

Analyzing prehistoric stone tool (lithic) use, this study found surface texture may indicate material type, regardless of use duration. Automated analysis shows promise but requires defined sampling for reliability.

Keywords:
Laser scanning confocal microscopyMicrowear quantificationStone tools

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Area of Science:

  • Archaeology
  • Materials Science
  • Geology

Background:

  • Lithic microwear analysis investigates prehistoric stone tool function.
  • Laser scanning confocal microscopy offers quantitative insights into tool use.
  • Understanding tool wear patterns is crucial for reconstructing past human behavior.

Purpose of the Study:

  • To determine if surface texture of lithic tools remains constant with varying use durations.
  • To develop rapid, objective data analysis protocols for lithic microwear.
  • To enhance understanding of flexible analytical algorithms for surface analysis.

Main Methods:

  • Investigated lithic microwear using laser scanning confocal microscopy.
  • Analyzed surface texture variations under different tool use durations.
  • Developed and tested automated data analysis protocols for surface texture.

Main Results:

  • Optimized sampling revealed surface texture correlates with contact material, independent of use duration.
  • Automated protocols show potential but depend on defined sampling location and scale.
  • Worn surface invasiveness, influenced by sampling, complicates duration-related textural characterization.

Conclusions:

  • Lithic microwear analysis can identify contact material type irrespective of use duration with optimized sampling.
  • Further research is necessary to validate findings and test diverse contact materials.
  • Reliable automated analysis of lithic microwear requires standardized sampling strategies.