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Chungará (Arica)

On-line version ISSN 0717-7356

Abstract

DIAZ, Pablo; PACHECO, Aryel; RIVAS, Pilar  and  GONZALEZ, María Josefina. MORTUARY CONTEXTS IN THE RAMADILLAS RIVER BASIN (ATACAMA REGION. CHILE): RADIOCARBON DATES AND STABLE ISOTOPES ANALYSIS. Chungará (Arica) [online]. 2021, vol.53, n.3, pp.420-440. ISSN 0717-7356.  http://dx.doi.org/10.4067/S0717-73562021005001601.

This article presents the results of radiocarbon datings and stable isotopes analyses ( 13 C, 15 N, and 18 O) of seven individuals, four infants and three adults recovered from pre-Hispanic mortuary contexts in the Andean foothills of the Atacama Region (Chile). The datings obtained and contextual data suggest that the mortuary contexts correspond to archaic hunter-gatherer individuals from Las Ánimas complex, Copiapó Culture, and from Diaguita-Inca groups. Diet analysis, in turn, point to differences in vegetable consumption between hunter-gatherers and ceramic groups, since the δ 13 C values of the first group are located in an intermediate position between C and C plants, whereas the δ 13 C values of the second group show a tendency to higher consumption of C 3 and C 4 plants. The δ 15 N values show no significant differences regarding terrestrial meat intake between both groups. The δ 18 O values suggest that the mobility of the individuals analyzed was circumscribed within environments similar to the area where they were buried; however,, higher δ 18 O rates can be observed in the hunter-gatherer individuals. These results are the first of their type in this study area and add to the scattered existing data for the Atacama Region.

Keywords : Radiocarbon dating; stable isotopes analysis; bioanthropology; Atacama Region.

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