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Revista argentina de antropología biológica

versión On-line ISSN 1514-7991


FLORENCIA, Rizzo; CARDOZO, Darío  y  TAPIA, Alicia. Múltiples líneas de evidencias aplicadas al estudio de un individuo prehispánico: Sitio Rancho José (Buenos Aires). Rev Arg Antrop Biol [online]. 2016, vol.18, n.1. ISSN 1514-7991.

We present osteological, chronological, isotopie, and ancient DNA (aDNA) information obtained from the analysis of the fragmented human remains of a prehispanic individual recovered at Rancho José site. The site is situated on the right bank of the Baradero River, where water action exposed and removed various types of archaeological materials. The excavation carried out on six profiles located on the edge of the rift made it possible to determine that the finds were deposited during a single occupation event. In profile 5 the skeletal remains representing the upper portion of the skeleton of an adult individual dated in 1900±20 years BP were recovered. The taphonomic agents that could have altered the finding conditions and its associated materials were considered first. Bones sex determination and age estimation was performed and various bone and dental pathologies were examined. This information was supplemented with data from ancient mitochondrial DNA (mtDNA), stable isotopes (813C and 815N), and the identification of plant microremains in dental tartar. Although these are highly fragmented remains, the individual has retained its whole masticatory system and its analysis from different research perspectives is of interest for comparison with other individuals, both from contemporaneous sites in the surrounding area of discovery and from post-hispanic times. To that end, isotopic data from two individuals from the Cementerio Indigena site are also presented.

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