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- Title
Scale of human mobility in northwestern Patagonia: An approach based on regional geology and strontium isotopes in human remains.
- Authors
Fernández, M. Victoria; Gordón, Florencia; le Roux, Petrus J.; Winocur, Diego; Lucero, Gustavo; Benítez, Anahí; Rindel, Diego; Della Negra, Claudia; Bernal, Valeria; Barberena, Ramiro
- Abstract
Strontium isotopes facilitate the study of human paleogeography and have widened the scope of archaeological enquiries on mobility. We present an approach based on strontium isotopes (87Sr/86Sr) to study the mobility of hunter–gatherer societies from northwestern Patagonia (Neuquén, Argentina). The analysis is developed on the basis of a macro‐regional geological framework that guides the sampling and interpretation of results. We also present results for fauna to begin building a landscape of bioavailable strontium to be utilized in the interpretation of results from human samples. These first results conform to general expectations and show the most radiogenic 87Sr/86Sr values for the oldest geological provinces, while low values are recorded for recent substrates. Additionally, we provide results for human samples from archaeological sites spanning the last 4000 years, a period during which a number of important socio‐demographic changes occurred. The results in human samples indicate overall isotopic fidelity to the values recorded in the local geology, suggesting a relatively restricted spatial scale of mobility during the late Holocene. This discussion is situated in a biogeographic research framework assessing topographic variation and landscape seasonality, and contributes toward understanding the movements of people, flow of material objects, and circulation of information in the Patagonian Andes.
- Subjects
PATAGONIA (Argentina &; Chile); ANDES; NEUQUEN (Argentina : Province); STRONTIUM isotopes; ARCHAEOLOGICAL human remains; ISOTOPE geology; PHYSIOGRAPHIC provinces; HUNTER-gatherer societies
- Publication
Geoarchaeology, 2022, Vol 37, Issue 1, p227
- ISSN
0883-6353
- Publication type
Article
- DOI
10.1002/gea.21881