Arqueología en el valle inferior-medio del río Chubut. Resultados de los trabajos exploratorios en la localidad Las Chapas, dto. Alsina
; Massaferro, Gabriela Isabel 
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Fecha
08/2020
Editorial
Universidad Católica de Temuco
Revista
CUHSO
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ISSN
0716-1557
eISSN
2452-610X
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Español
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Resumen
Desde el año 2014 se vienen desarrollando tareas de relevamiento y prospecciones arqueológicas en un área que carecía de investigaciones sistemáticas previas sobre ambas márgenes del río Chubut en el paraje denominado Las Chapas. Estas tareas han permitido registrar hasta el momento ocho sitios, la mayoría de ellos se encuentran emplazados en aleros y cuevas labradas en la Formación Marifil y, presentan arte rupestre (generalmente pinturas monocromas rojas con motivos geométricos). No obstante, se identificaron también materiales de manera aislada, un sitio de superficie -todos ellos con presencia exclusivamente lítica- y un enterratorio del tipo chenque.El conjunto lítico estudiado a la fecha proviene de recolecciones de superficie y de sondeos y se caracteriza por un alto predominio de materias primas silíceas locales de buena calidad, y en menor frecuencia, por materiales alóctonos como cuarcita y obsidiana. Se aprecia además una baja cantidad de instrumentos terminados (principalmente raspadores) mientras que son preponderantes los productos de talla y los núcleos agotados.En este trabajo se presentan los resultados preliminares obtenidos y se exponen las similitudes y diferencias del registro estudiado con el de los sitios arqueológicos de la cuenca inferior y superior del río Chubut.
Since 2014, archaeological surveys have been carried out in an area that lacked of previous systematic research. The area covers both margins of the Chubut river at the locality of Las Chapas. These works have registered eight sites so far, most of them are rock shelters and caves carved in the Marifil Formation with rock art (usually red monochrome paintings with geometric motifs). However, isolated materials were also identified, a surface site -all of them with an exclusively lithic presence- and a chenque type burial. The lithic assemblage studied to date comes from surface and testpits collections and is characterized by a high preeminence of local siliceous raw materials of good quality for reduction, and less frequently, by allochthonous materials such as quartzite and obsidian. There is also a low quantity of finished instruments (mainly scrapers) while the reduction products and the exhausted cores are preponderant. In this paper we present the preliminary results obtained. We also show the similarities and differences of the record studied with that of the archaeological sites of the lower and upper basin of the Chubut river.
Since 2014, archaeological surveys have been carried out in an area that lacked of previous systematic research. The area covers both margins of the Chubut river at the locality of Las Chapas. These works have registered eight sites so far, most of them are rock shelters and caves carved in the Marifil Formation with rock art (usually red monochrome paintings with geometric motifs). However, isolated materials were also identified, a surface site -all of them with an exclusively lithic presence- and a chenque type burial. The lithic assemblage studied to date comes from surface and testpits collections and is characterized by a high preeminence of local siliceous raw materials of good quality for reduction, and less frequently, by allochthonous materials such as quartzite and obsidian. There is also a low quantity of finished instruments (mainly scrapers) while the reduction products and the exhausted cores are preponderant. In this paper we present the preliminary results obtained. We also show the similarities and differences of the record studied with that of the archaeological sites of the lower and upper basin of the Chubut river.
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