Abstract
Lithic use-wear analysis, despite being a well-accepted research tool, is still undermined by its qualitative nature. An effort has been made to quantify use-wear analysis, but only with limited success. This paper will present a new method of analysis based on a non-destructive measurement technique, laser profilometry. This optical technique, when coupled with appropriate software, allows for easy measurement of roughness parameters at several length scales. This accounts for the length-scale dependence of surface topography and allows for its quantitative description. Further, the information from this type of measurement can, in some cases, be described by fractal geometry leading to new interpretive possibilities. Initial results showed that measurements could be made on several different chert and obsidian samples and that these could be distinguished based on their wear histories.
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