6.2. Obsidian variability in the study area

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The organization of prehispanic obsidian procurement at the Chivay source is clearest when the data is explored geographically, expanding out from the source area in Block 1. In order to become oriented to the Chivay source and vicinity, this section will begin by exploring summaries of obsidian artifact distributions in contrast with non-obsidian lithic materials in the vicinity of the source.