Debitage Analysis
Debitage analysis is the study of flaking debris — the flakes, fragments, and shatter struck off during stone-tool manufacture — to infer how stone was reduced, by what techniques, and to what stage. Because debitage typically outnumbers finished tools many times over at a site, it is the richest and most representative evidence of production, and quantifying it lets archaeologists reconstruct knapping behavior even where the tools themselves were carried away. Sullivan and Rozen's landmark 1985 paper argued that earlier debitage typologies smuggled interpretation into their categories, and proposed an interpretation-free classification based on a few objective morphological observations, separating description from inference. Alongside this typological approach sit aggregate methods such as mass analysis and size grading, which Andrefsky systematizes, that characterize whole assemblages by weight and size-class distributions rather than piece by piece. Together these techniques turn waste flakes into a quantitative record of the reduction process.
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- Sullivan, A. P., & Rozen, K. C. (1985). Debitage Analysis and Archaeological Interpretation. American Antiquity, 50(4), 755-779. · DOI 10.2307/280165
- Andrefsky, W. (2005). Lithics: Macroscopic Approaches to Analysis (2nd ed.). Cambridge University Press. · ISBN 9780521615006
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