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An X-Ray Fluorescence and Principal Component Analysis study of pottery from Orraon

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Published: Dec 5, 2019
DOI: https://doi.org/10.12681/hnps.2257
C. Papachristodoulou
Nuclear Physics Laboratory, Department of Physics, The University of Ioannina
A. Oikonomou
Composite Materials' Laboratory, Department of Materials1 Science and Engineering, The University of Ioannina
K. Ioannides
Nuclear Physics Laboratory, Department of Physics, The University of Ioannina
K. Gravani
Archaeology Section, Department of History-Archaeology, The University of Ioannina
Abstract

Radioisotope-induced X-ray fluorescence XRF was used to determine the composition of 64 pottery sherds recovered from the settlement of ancient Orraon, northwestern Greece. The XRF data were submitted to Principal components analysis PCA and distinct sample clusters were identified, originating from differences in major and trace elements concentrations. The statistical classification, combined with archaeological criteria, allows conclusions related to the raw materials and paste recipes used in pottery manufacturing. Distinction between local production and imported pottery may also be inferred.

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