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Intersecciones en antropología

versión On-line ISSN 1850-373X

Resumen

PALAMARCZUK, Valeria. Cocción experimental de cerámica con estiércol de llama. Intersecciones antropol. [online]. 2004, n.5, pp.119-127. ISSN 1850-373X.

In the city of Santa María, Catamarca Province, Argentina, a series of experiments in ceramic firing were carried out in several different combustion structures (pits with and without covers, and an adobe brick oven) using dry llama dung as a combustible. The main objective of the experiments was the determination of the caloric yield (temperatures reached and total time of combustion) of this material, the employment of which as fuel for ceramic firing is reported in ethnographic data throughout the Andean area. A further goal was to observe the appearance of pottery fired with llama dung in the different structures. The experimentation was carried out within the framework of general studies of pottery production in the Yocavil Valley, although this information could be useful beyond the geographical and chronological context of this particular project. In all the experiments the temperatures reached were relatively low (no more than 500 °C), the ceramic was only fully fired in the cases in which the highest temperatures were reached. Combustion was very slow and homogeneous. The ceramic either took on an intense black coloration, both on the surface and in the sherd™s nucleus, or the surfaces were stained in an irregular pattern. These results draw attention to the problem of uncritically accepting the potential of llama dung as fuel, and invite discussion and the design of new experiments.

Palabras clave : Use experimentation; Action ways; Independent and dependent variables; Functionality.

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