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Spatial and orientation patterns of experimental stone tool refits

MPG-Autoren
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Vanwezer,  Nils
Archaeology, Max Planck Institute for the Science of Human History, Max Planck Society;

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de la Torre, I., Vanwezer, N., Benito-Calvo, A., Proffitt, T., & Mora, R. (2018). Spatial and orientation patterns of experimental stone tool refits. Archaeological and Anthropological Sciences, 1-16. doi:10.1007/s12520-018-0701-z.


Zitierlink: https://hdl.handle.net/21.11116/0000-0002-5030-D
Zusammenfassung
Freehand and bipolar experimental knapping of quartzite from Olduvai Gorge in Tanzania is used to conduct spatial analysis of artefact distributions using GIS techniques, and to investigate the orientation of refit lines using circular histograms. The aim of our study is to discern patterns that can be applied to the archaeological record in two domains, namely the identification of knapping episodes and the utility of refitting line orientations in addressing post-depositional disturbance. Our spatial analysis shows that distinctive clustering patterns can be discerned according to knapping stance, handedness and flaking technique. The circular dispersion of refit lines in the horizontal distribution of bipolar assemblages is strongly patterned, indicating that anisotropy of conjoining sets is inherent to pristine hammer-and-anvil knapping episodes.