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Revista del Museo de Antropología

versión impresa ISSN 1852-060Xversión On-line ISSN 1852-4826


ALBERTI, Jimena  y  CARDILLO, Marcelo. Techno-morphological, morphometrics and raw materials analyses of lithic spheroids from San Matías Gulf (Rio Negro, Argentina). Rev. Mus. Antropol. [online]. 2016, vol.9, n.2, pp.81-92. ISSN 1852-060X.

In this paper we present an initial characterization of the sample of bolas recovered in archaeological sites located at San Matías Gulf coast (Río Negro province) dated in the Middle and Late Holocene. For this purpose different methods of metric, morphometric (shape analysis) and raw materials analyses, as well as a techno-morphological characterization of the artifacts, were applied. The results indicate the existence of two large groups of bolas: one is integrated by artifacts of medium-small size and irregular outline, which tend to a quadrangular shape with a flat side view; and other group of artifacts which are larger and with a more spherical shape. It was also possible to establish the use of mainly local raw materials for the manufacture of these instruments, which would have affected the weight differences we detected between the bolas recovered in both portions of the coast (North and West). Finally, the presence of formatization traces in most of the sample and the low presence of pieces with polish over their entire surfaces, would indicate a low investment of energy put into the final manufacture of these artifacts.

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