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The small island of Ustica was a regular part of the obsidian distribution network in the central Mediterranean, despite its location more than 50 km north of western Sicily. More than 1000 obsidian artifacts from several different sites, ranging in age from the Neolithic through Bronze Age, were analyzed using a non-destructive, portable X-ray fluorescence spectrometer. Obsidian from Lipari-Gabellotto dominates the assemblages at all sites tested, yet Pantelleria obsidian from both Balata dei Turchi and Lago di Venere are of notable quantities. Obsidian was not likely a major part of the material transported across open waters to this seemingly remote location, while our data support the hypothesis that some direct travel occurred from the Aeolian Islands to Ustica.

open archaeology

Analysis by pXRF of Prehistoric Obsidian Artifacts From Several Sites on Ustica (Italy): Long-Distance Open-Water Distribution From Multiple Island Sources During the Neolithic and Bronze Ages