Chert sourcing using LIBS: The case of Cova del Parco, Spain

Author:

Le Guirriec Julien1,Sánchez de la Torre Marta23ORCID,Bousquet Bruno4,Lefrais Yannick1,Mangado Xavier23,González Cynthia Belén23,Le Bourdonnec François‐Xavier1ORCID

Affiliation:

1. Archéosciences Bordeaux, Université Bordeaux Montaigne, CNRS, Université de Bordeaux, EPHE—PSL, UMR 6034 Pessac France

2. Seminari d'Estudis i Recerques Prehistòriques (SERP) Universitat de Barcelona Barcelona Spain

3. Institut d'Arqueologia de la Universitat de Barcelona (IAUB) Barcelona Spain

4. Université de Bordeaux, CNRS, Bordeaux INP, ICMCB, UMR 5026 Pessac France

Abstract

AbstractCherts originating from carbonate lacustrine environments have been widely exploited by Upper Palaeolithic hunter‐gatherers in the south of the Pyrenees. Archaeo‐petrographic sourcing studies have identified different potential sources but were unable to distinguish them. This study conducted geochemical characterisation of geological and archaeological lacustrine chert samples using laser‐induced breakdown spectroscopy (LIBS), and applied the supervised classification model partial least squares–discriminant analysis to LIBS spectra. The model was able to discriminate geological sources and provide predictions for the origin of a selection of chert artefacts recovered at the Middle Magdalenian level from Cova del Parco (Lleida, Spain).

Publisher

Wiley

Reference36 articles.

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