Obsidianas y puntas de proyectil: sustancia y forma de las relaciones sociales en Las Pailas, Catamarca, Argentina

摘要: This paper analyzes the role of lithic technology in Las Pailas site, located province Catamarca (Argentina) for Regional Development period thirteenth century A. D. Having as theoretical premise indivisibility between raw material and design analysis qualities artifacts, we will describe morphological aspects assemblage observe strong association obsidian projectile points. Finally, offer an interpretation how concept biography allows us to approach context social political organization agropastoral communities northwestern Argentina mentioned period.