Provenance studies of obsidians from Neolithic contexts in Southern Italy by IBA (Ion Beam Analysis) methods |
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Authors: | Gianluca Quarta Lucio Maruccio Lucio Calcagnile |
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Affiliation: | CEDAD - Department of Innovation Engineering, University of Salento, via per Monteroni, 73100 Lecce, Italy |
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Abstract: | Obsidian samples recovered in archaeological contexts in Southern Italy were analysed by PIXE (Particle Induced X-ray Emission) and PIGE (Particle Induced Gamma Ray Emission) for the quantitative determination of both major and trace elements composition. The archaeological contexts were absolutely dated to the 5th millennium BC by mean of AMS (Accelerator Mass Spectrometry) radiocarbon dating analyses carried out on associated organic materials such as charcoal and human bones. The comparison of the compositional results obtained for the analysed samples with published data available for the known obsidian sources in the Mediterranean allowed to identify the sources of the raw material, giving an important contribution to the reconstruction of the ancient trade and exchange routes in Southern Italy prehistory. |
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Keywords: | Obsidian provenance Southern Italy prehistory IBA PIXE PIGE |
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