A field-based experiment was carried out to assess the impact of heat on lithic raw materials commonly used for knapping tools along the north Patagonian coast of Argentina. Descriptive data for the experimental items were recorded both before and after exposure to fire. Through network analysis, we explore the relationship between variables to establish the co-occurring of traits resulting from the material’s exposure to heat. Statistical analysis of network topology allows us to identify clusters of variables, which were categorized into morphological, mechanical, and pseudo-technological groups. These findings indicate that alterations within the same category covary more than those across different categories. The results obtained are relevant to addressing taphonomic issues in the northern coast of Patagonia, where frequent fire seasons affect surface sites. Ultimately, we aim to characterize these traits and build a reference framework to compare the transformations observed in the lithic archaeological record caused by natural fires.

Workflow of phylogenetic analysis of the paper "Explaining the diversification of lithic projectile points from the northern Patagonian coast (Argentina) during the Holocene using phylogenetic and comparative methods"

We present the R code and the analysis conducted on the connection between penguins, the archaeological record, and the landscape on Islote la Pastosa, Río Negro

This is the first analysis of the historical and recent archaeological record related to the octopus fishermen of Golfo San Matías, Rio Negro, Argentina