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      Obsidianas en sitios arqueológicos de la provincia de La Pampa, Argentina: su procedencia

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          Abstract

          Se presentan los resultados del análisis de 16 muestras de artefactos de obsidiana procedentes de tres sitios arqueológicos de La Pampa. Por un lado, se seleccionaron 12 muestras de la excavación, con fechados radiocarbónicos, del sitio "Casa de Piedra 1", Departamento Puelén, a orillas del Río Colorado, donde la obsidiana aparece siendo utilizada, al menos episódicamente, desde el nivel más antiguo a ≥8620 ± 190 años radiocarbónicos AP (o ≥9720 ± 250 años calibrados AP). Por otro lado, se seleccionaron cuatro muestras de dos sitios de superficie, del norte de la Meseta Basáltica, departamento Chicalcó. Las 16 muestras que aquí presentamos provienen de múltiples fuentes, como Laguna del Maule, ubicada al oeste de nuestros sitios arqueológicos, en territorio mendocino casi en la frontera con Chile, y también, a partir de aproximadamente 4000 años AP, de Cerro Huenul y Portada Covunco, en el norte y centro-oeste del Neuquén respectivamente. Muestras de obsidianas procedentes de otros sitios arqueológicos en La Pampa, como Tapera Moreira y Chenque i de Lihuel Calel, al este de nuestra zona, también provienen de las mismas canteras y/o de otras más distantes, como Cerro Planicies/Lago Lolog en el sudoeste de Neuquén.

          Translated abstract

          Sixteen samples of obsidian collected from three archeological sites in the west and southwest of La Pampa province have been analyzed. Twelve samples were selected from the excavation of "Casa del Piedra 1", Department of Puelén, on the banks of the Río Colorado, where the available radiocarbon dates indicate that obsidian was utilized, at least episodically, from the earliest occupational levels at ≥8620 ± 190 14C years BP (or ≥9720 ± 250 calibrated years BP). Four samples were selected from the surface of two sites north of the Meseta Basáltica, Department of Chicalcó. The 16 samples analyzed are derived from multiple different distant sources that include principally Laguna del Maule, located to the west of these sites in Mendoza province along the frontier with Chile, and also, after about 4000 years BP, from Cerro Huenul and Portada Covunco, located in the north and central-west of Neuquén province. Samples of obsidian from other archeological sites in La Pampa province, such as Tapera Moreira and Chenque i in Lihuel Calel, also come from these same distant sources as well as others even more distant such as Cerro Planicies/Lago Lolog in the southwest of Neuquén.

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          Petrochemistry and genesis of olivine basalts from small monogenetic parasitic cones of Bazman stratovolcano, Makran arc, southeastern Iran

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            Obsidian in Western Pampas, Argentina: Source Characterization and Provisioning Strategies.

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              Arqueología en las Pampas

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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Journal
                iant
                Intersecciones en antropología
                Intersecciones antropol.
                Universidad Nacional del Centro de la Provincia de Buenos Aires. Facultad de Ciencias Sociales (Olavarría )
                1850-373X
                June 2013
                : 14
                : 1
                : 263-269
                Affiliations
                [1 ] University of Colorado USA
                [2 ] Consejo Nacional de Investigaciones Científicas y Técnicas Argentina
                [3 ] Universidad de Buenos Aires Argentina
                Article
                S1850-373X2013000100017
                2532661a-a512-415e-956f-777be244652e

                http://creativecommons.org/licenses/by/4.0/

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                Product

                SciELO Argentina

                Self URI (journal page): http://www.scielo.org.ar/scielo.php?script=sci_serial&pid=1850-373X&lng=en
                Categories
                ANTHROPOLOGY
                ARCHAEOLOGY

                Archaeology,Anthropology
                Obsidian,Geochemical studies,La Pampa,Mendoza,Neuquén,Argentina,Obsidianas,Estudios geoquímicos

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