Recursos líticos y vectores de interacción en las pampas centrales de Argentina: un abordaje desde el uso de la obsidiana
; Salgán, María Laura
; Neme, Gustavo Adolfo
; Gil, Adolfo Fabian 
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Fecha
08/2022
Editorial
Universidad Nacional de Córdoba. Facultad de Filosofía y Humanidades
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Revista del Museo de Antropología
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ISSN
1852-060X
eISSN
1852-4826
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Español
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Resumen
En este trabajo presentamos los primeros resultados de los análisis tecno-morfológicos y geoquímicos realizados en 12 piezas de obsidiana recuperadas en el Norte de Pampa Seca (sur de Córdoba y San Luis). En esta área se propuso un aumento de la ocupación para el Holoceno tardío, junto con recurrencia en la ocupación de los sitios y la presencia de estrategias tecnológicas que calificamos como conservada en la mayoría de los contextos. En ese marco se destaca la identificación de recursos exóticos, como la ortocuarcita y la obsidiana, que no contaban con antecedentes de estudios previos. Los artefactos de obsidiana se registraron en 11 sitios superficiales distribuidos en toda el área. Por medio de la técnica de Fluorescencia de Rayos-X, se identificaron tres fuentes de obsidiana que vincula a los grupos locales con recursos procedentes de cordillera y piedemonte del oeste, distantes entre 250 y 575 km. La estrategia tecnológica aplicada para su manejo permite confirmar la presencia poco frecuente de la obsidiana en el equipamiento de los cazadores recolectores de la región pampeana, introducida como parte de vínculos de interacción social entre poblaciones.
In this paper we present the first results of the techno-morphological and geochemical analyzes carried out on 12 pieces of obsidian recovered in the North of Pampa Seca (south of Córdoba and San Luis). In this area, an increase in occupation was proposed for the late Holocene, together with recurrence in the occupation of the sites and the presence of technological strategies that we qualify as conserved in most contexts. In this framework, the identification of exotic resources, such as orthoquartzite and obsidian stands out, which had no antecedents of previous studies. Obsidian artifacts were recorded at 11 surface sites distributed throughout the area. By means of the X-ray Fluorescence technique, three sources of obsidian were identified that link local groups with resources from the western mountain range and foothills, between 250 and 575 km apart. In this sense, the technological strategy applied for its management allows confirming the infrequent presence of obsidian in the equipment of hunter-gatherers in the Pampean region, introduced as part of social interaction networks between populations.
In this paper we present the first results of the techno-morphological and geochemical analyzes carried out on 12 pieces of obsidian recovered in the North of Pampa Seca (south of Córdoba and San Luis). In this area, an increase in occupation was proposed for the late Holocene, together with recurrence in the occupation of the sites and the presence of technological strategies that we qualify as conserved in most contexts. In this framework, the identification of exotic resources, such as orthoquartzite and obsidian stands out, which had no antecedents of previous studies. Obsidian artifacts were recorded at 11 surface sites distributed throughout the area. By means of the X-ray Fluorescence technique, three sources of obsidian were identified that link local groups with resources from the western mountain range and foothills, between 250 and 575 km apart. In this sense, the technological strategy applied for its management allows confirming the infrequent presence of obsidian in the equipment of hunter-gatherers in the Pampean region, introduced as part of social interaction networks between populations.
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