The trace element determination in obsidian artefacts gives information about the provenance. In many cases the obsidian sourcing can be performed by using non-destructive techniques and limiting the analysis to few characterising trace elements. In the present work the portable BSC-XRF spectrometer of the LANDIS/INFN laboratory is used for the non-destructive determination of Rb, Sr, Y, Zr and Nb in 350 obsidians from Neolithic archaeological layers at the site of S.Marco (Paternò, CT). The quantitative analysis was performed by using a multi-parametric linear regression based on a preliminary calibration of the system with pretrological standards. The analytical results allowed to identify in the island of Lipari the provenance of the obsidian and to perform a preliminary comparison with other data obtained by the LANDIS laboratory from the analysis of obsidians of different sites in Sicily.
The obsidian of San Marco (Paternò) in the context of the sicilian archeological sites
FP Romano;
2008
Abstract
The trace element determination in obsidian artefacts gives information about the provenance. In many cases the obsidian sourcing can be performed by using non-destructive techniques and limiting the analysis to few characterising trace elements. In the present work the portable BSC-XRF spectrometer of the LANDIS/INFN laboratory is used for the non-destructive determination of Rb, Sr, Y, Zr and Nb in 350 obsidians from Neolithic archaeological layers at the site of S.Marco (Paternò, CT). The quantitative analysis was performed by using a multi-parametric linear regression based on a preliminary calibration of the system with pretrological standards. The analytical results allowed to identify in the island of Lipari the provenance of the obsidian and to perform a preliminary comparison with other data obtained by the LANDIS laboratory from the analysis of obsidians of different sites in Sicily.I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.
