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The social and economic organization of obsidian procurement has been a topic of particular interest in southwestern archaeology as a result of recent work identifying and characterizing a number of sources throughout Arizona, New Mexico, and northern Mexico. Recent studies have attempted to explain temporal and spatial variability of obsidian distribution in the larger contexts of regional exchange networks, socially bounded territories, and elite redistributive efforts. This study reviews the current state of research as reflected in three models. Patterns in obsidian source diversity and reduction stage data are assessed relative to model expectations and an analysis of obsidian acquisition and distribution. The likelihood of elite members of an increasingly formalized socioeconomic system playing a role in these processes should be considered, while at the same time noting that kin-based raw material procurement and ritual item mobilization may explain many of the obsidian patterns. The emerging perspective suggests that obsidian moved in a variety of spheres, concurrently serving a number of social and economic purposes. This study highlights the importance of modeling individual, nonlocal commodities before attempting to generate monolithic exchange models.

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