Abstract
Rock art research carried out in the Strobel Plateau (Santa Cruz province, Patagonia, Argentina - 700 to 1200 masl) has shown that during Late Holocene population convergence took place in this area, where information was concentrated and distributed on a supra-regional scale (Belardi & Goñi 2006; Goñi 2010; Re 2010; Goñi et al. 2007, 2014). The central position of this plateau in the province's steppe would also be a crucial factor regarding this process (Belardi & Goñi 2006). In this context, the aim of this work is to study this idea of population dynamics given the evidence from lithic technology. In order to do this, we first consider the analysis of variability and provenance of lithic raw materials used for the manufacture of artefacts. It is important to highlight that after 15 years of research carried out in the Strobel Plateau we have not found any lithic source. However, previous works suggest that lithic resources used in the Strobel Plateau are located in nearby areas. Therefore, when analysing the variability, provenance and distance of sources, this work seeks to discuss the access to the plateau and the regional circulation axes. The obtained results support the idea of population convergence occurring in Late Holocene.
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