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|Micro-PIXE studies on prehistoric chert tools: elemental mapping to determine Palaeolithic lithic procurement
|Sánchez de la Torre, Marta
Le Bourdonnec, Francois-Xavier
Espectroscòpia de raigs X
|This paper contributes to an understanding of the distances and choices involved in raw material procurement strategies by Upper Palaeolithic communities through a Pyrenean geoarchaeological case study. Methodologically it involved using Particle Induced X-ray Emission (PIXE) with a focused proton beam to determine the concentration and distribution of elements in geological samples from three natural primary outcrops belonging to two geological formations outcropping in the French side of the Pyrenees. While it was not possible to distinguish the formation through reference to major and minor elements, some variations were revealed at the trace elemental level. With the aim to determine if these elements were associated with the Si matrix or to a specific inclusion, elemental maps were acquired and the elemental composition of the identified inclusions were also determined. These chemical signatures were then compared to those generated from archaeological artefacts from sites in northern Spain as a means of reconstructing the catchment areas used by prehistoric groups for their chert procurement. The results indicate the existence of trans-Pyrenean long distance procurement strategies during the Magdalenian (13700 to the 18800 cal BP).
|Versió postprint del document publicat a: https://doi.org/10.1007/s12520-018-0668-9
|It is part of:
|Archaeological and Anthropological Sciences, 2019, vol. 11, p. 2375-2383
|Appears in Collections:
|Articles publicats en revistes (Història i Arqueologia)
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