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Chungará (Arica)

versión On-line ISSN 0717-7356

Resumen

ZILIO, Leandro; HAMMOND, Heidi  y  CASTRO, Alicia S.. PLANIMETRIC SURVEYAND LICHENOMETRIC ANALYSISIN CAMPO DE CHENQUES SITE, NORTHERN COAST OF SANTA CRUZ (ARGENTINIAN PATAGONIA). Chungará (Arica) [online]. 2017, vol.49, n.1, pp.65-80.  Epub 20-Mar-2017. ISSN 0717-7356.  http://dx.doi.org/10.4067/S0717-73562017005000007.

This paper presents the results obtained from theplanimetric survey and lichenometric analyses conducted for the first time in the hunter-gatherer archaeology of Patagonia. Campo de Chenques site is a concentration of chenque-type human burial structures located on the Atlantic coast of the province of Santa Cruz, Argentina. A planimetric survey of the structures that make up the site was performed using a differential GPS. In addition, lichenometric studies were undertaken in order to obtain minimum estimated ages for the structures. To this end, lichen genus Rhizocarpon (subgenus Rhizocarpon) that grow on the rocks were measured. Based on these studies, a georeferenced map of the site was made, the number and morphology of the structures were determined, and a minimum age of approximately 770 years for the chenque construction was obtained by lichenometry, which is consistent with radiocarbon ages obtained for the site. Thus, Campo de Chenques becomes the oldest archaeological context of Patagonia in which a lichenometric technique was applied for the first time. The results are discussed in relation to the dynamics of occupation of the area by hunter-gatherer populations during the late Holocene.

Palabras clave : Planimetric survey; lichenometry; differential GPS; Chenques; Patagonia.

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