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Studying post depositional damage on Acheulian bifaces using 3-D scanning.

Leore Grosman1, Gonen Sharon, Talia Goldman-Neuman

  • 1Department of Physics of Complex Systems, The Weizmann Institute of Science, Rehovot 76100, Israel. lgrosman@mscc.huji.ac.il

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|March 23, 2010
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Summary
This summary is machine-generated.

Researchers developed a method to distinguish post-depositional damage from tool-making on Acheulian bifacial tools. This technique quantifies damage patterns, aiding archaeological analysis of ancient stone tools.

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Area of Science:

  • Archaeological Science
  • Experimental Archaeology
  • Geomorphology

Background:

  • Acheulian bifacial tools often exhibit post-depositional damage, complicating their analysis.
  • Distinguishing natural damage from intentional human modification is crucial for understanding tool function and behavior.

Purpose of the Study:

  • To develop a quantitative method for assessing and comparing post-depositional damage on Acheulian bifacial tools.
  • To differentiate damage caused by natural processes (e.g., water transport) from intentional knapping.

Main Methods:

  • Comparison of an archaeological assemblage of handaxes with an experimental assemblage subjected to controlled rolling and battering.
  • Precise 3-D optical scanning of both tool assemblages.
  • Application of mathematical analysis to measured surfaces for quantitative damage assessment.

Main Results:

  • Identified distinct morphological patterns of battering damage, differing from controlled knapping.
  • Observed significant damage, including 'notch-like' scars, primarily on the lateral edges and tips of tools.
  • Noted minimal damage to the butt ends of the tools.

Conclusions:

  • A quantitative method has been established to measure post-depositional damage on archaeological tools.
  • This method allows for the objective assessment of damage characteristics and their location.
  • The findings aid in the accurate interpretation of archaeological tool assemblages.