Weaving people and places: Landscapes of obsidian circulation in NW Argentina. A long-term view (ca. CE 100–1436)

Ancient exchange practices have long been at the centre of comparative studies of social complexity. While finding valuable information, this approach has paid less attention to the multi-layered cultural understandings underpinning past transactions, ultimately diluting the power of archaeology to understand specific historical trajectories. This article examines the circulation and uses of obsidian in two sectors of the Calchaquí Valleys area...