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.

中文翻译：

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通过pXRF分析来自意大利Ustica多个地点的史前黑曜石文物：新石器时代和青铜时代来自多个岛源的远距离开放水域分布

乌斯蒂卡小岛尽管位于西西里岛以西50公里以内，却是地中海中部黑曜石分布网络的常规组成部分。使用无损便携式X射线荧光光谱仪分析了从新石器时代到青铜器时代的多个不同地点的1000多个黑曜石文物。Lipari-Gabellotto的黑曜石在测试的所有地点都占主导地位，而Balata dei Turchi和Lago di Venere的Pantelleria黑曜石数量很多。黑曜石不太可能是通过开阔水域运输到这个看似遥远的地方的主要物质，而我们的数据支持这样的假设，即从风神群岛到乌斯蒂卡发生了一些直接旅行。