LE OSSIDIANE DI PALMAROLA I MARKER DI PROVENIENZA

Abstract

<p>Le tracce di ossidiane e la caratterizzazione delle componenti chimiche presenti nei luoghi oggetto di indagini archeologiche, permettono l'individuazione delle antiche rotte commerciali. In Italia le aree individuate sono Monte Arci in Sardegna, Lipari e Pantelleria in Sicilia e Palmarola nel Lazio.</p><p> </p><p><strong>Obsidian from Palmarola: source markers </strong></p><p>A chemical characterization of the main components and traces of obsidian allows identifi cation of commercial routes in antiquity. Obsidian sources in Prehistoric Italy were mainly four: Monte Arci in Sardinia, the islands of Lipari and Pantelleria in Sicily and the island of Palmarola in Lazio. A survey methodology on samples of obsidian from several Neolithic sites in Lazio has been developed, comparing three different analytical techniques: SEM-EDS, XRF and LA-ICP-MS, in order to obtain a wider range of data to be compared with literature records and processed by Principal Component Analysis (PCA), to defi ne relationships between samples and to assign each finding its origin.</p>

Keywords

• Ossidiana
• Lazio
• SEM-EDS
• XRF
• LA-ICP-MS