Through the analysis of 106 obsidian artifacts from eight Chalcolithic sites throughout the island of Sicily (c. 3500-2500 bc) this paper discusses the interplay between the procurement of obsidian raw materials and their consequent reduction, in turn highlighting long-term trends in lithic exploitation from the Neolithic through Chalcolithic eras. By combining obsidian sourcing with techno-typological analysis, this paper takes an initial step toward a more comprehensive understanding of the nature of obsidian exploitation in Chalcolithic Sicily and a more thorough comprehension of how obsidian was distributed from the islands of Lipari and Pantelleria. We in turn argue that when lithic data are analyzed within a chaîne opératoire approach combining analyses from multiple stages of artifact life histories, this information represents a powerful means of engaging with major social science questions, where a particular regional data set can be used to contribute to debates of broader archaeological significance.
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