Exploitation of lithic raw materials and occupation of space along the middle and late holocene in the west coast of San Matías gulf (Río negro, Argentina)

The archaeological occupation of the San Matías Gulf coast (Río Negro province, Argentina) began at 6000 to 450 years BP. In particular, the oldest occupations in the west coast of the gulf are dated around 3000 years BP. From this moment on, the hunter-gatherers who inhabited the area exploited sev...

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Autor principal: Alberti, Jimena
Formato: Artículo revista
Lenguaje:Español
Publicado: Centro de Estudios Históricos. UA CONICET 2017
Materias:
lithic technology
North Patagonia
rock use
reduction intensity
tecnología lítica
Norpatagonia
uso de rocas
intensidad de reducción
Acceso en línea:https://revistas.unc.edu.ar/index.php/comechingonia/article/view/18051
Aporte de:
Comechingonia. Revista de Arqueología de Universidad Nacional de Córdoba
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spelling I10-R319-article-180512020-02-16T13:49:45Z Exploitation of lithic raw materials and occupation of space along the middle and late holocene in the west coast of San Matías gulf (Río negro, Argentina) Explotación de materias primas líticas y ocupación del espacio a lo largo del Holoceno medio y tardío en la costa oeste del golfo San Matías (Río Negro, Argentina). Alberti, Jimena lithic technology North Patagonia rock use reduction intensity tecnología lítica Norpatagonia uso de rocas intensidad de reducción The archaeological occupation of the San Matías Gulf coast (Río Negro province, Argentina) began at 6000 to 450 years BP. In particular, the oldest occupations in the west coast of the gulf are dated around 3000 years BP. From this moment on, the hunter-gatherers who inhabited the area exploited several types of lithic raw materials, in order to manufacture artifacts for different purposes. In this paper we present the techno-morphological characteristics of the lithic assemblages recovered in the study area, the lithic raw material analysis of the sample and the results of the reduction intensity for different types of rocks. To establish if the rocks use changed over time, we split the artifact sample into two chronological blocks defined for the area. The results indicate that a large variability of rocks, mainly of local origin, was used in this portion of the Rio Negro coast, and that some particular raw materials, like obsidian, were transported from distant sources. The rocks that would have been more used were chalcedony, flint and acid volcanics rocks, along with jasper in the earlier moments of the occupation, and chert in the later ones. La costa del golfo San Matías (provincia de Río Negro, Argentina) presenta ocupaciones humanas desde los 6000 hasta los 450 años AP. En particular, los fechados más antiguos de la Costa Oeste del golfo se sitúan en torno a los 3000 años AP. A partir de estos momentos, los grupos cazadores-recolectores que habitaron el área explotaron diversas materias primas líticas para la manufactura de artefactos con distintos fines. En este trabajo se presentan las características de los conjuntos líticos recuperados en el área de estudio, a partir del análisis tecno-morfológico y de las materias primas, y se determina la intensidad de reducción para los diferentes tipos de rocas utilizados. Para establecer si el empleo de las rocas cambió a lo largo del tiempo, se estudió su uso en dos bloques cronológicos definidos para el área. Los resultados indican que en esta porción de la costa rionegrina se utilizó una gran variabilidad de rocas, principalmente de origen local, y que materias primas particulares como la obsidiana fueron transportadas desde fuentes distantes. Las rocas más utilizadas habrían sido la calcedonia, el sílex y las volcanitas ácidas, sumadas al jaspe en el bloque temprano y al chert en el tardío. Centro de Estudios Históricos. UA CONICET 2017-09-30 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Cultura material application/pdf https://revistas.unc.edu.ar/index.php/comechingonia/article/view/18051 10.37603/2250.7728.v20.n2.18051 Comechingonia. Revista de Arqueología; Vol. 20 No. 2 (2016): Comechingonia Revista de Arqueología. ; 243-264 Comechingonia. Revista de Arqueología; Vol. 20 Núm. 2 (2016): Comechingonia Revista de Arqueología. ; 243-264 Comechingonia. Revista de Arqueología; v. 20 n. 2 (2016): Comechingonia Revista de Arqueología. ; 243-264 2250-7728 0326-7911 10.37603/2250.7728.v20.n2 spa https://revistas.unc.edu.ar/index.php/comechingonia/article/view/18051/17982 Derechos de autor 2017 Comechingonia. Revista de Arqueología
institution Universidad Nacional de Córdoba
institution_str I-10
repository_str R-319
container_title_str Comechingonia. Revista de Arqueología
language Español
format Artículo revista
topic lithic technology
North Patagonia
rock use
reduction intensity
tecnología lítica
Norpatagonia
uso de rocas
intensidad de reducción
spellingShingle lithic technology
North Patagonia
rock use
reduction intensity
tecnología lítica
Norpatagonia
uso de rocas
intensidad de reducción
Alberti, Jimena
Exploitation of lithic raw materials and occupation of space along the middle and late holocene in the west coast of San Matías gulf (Río negro, Argentina)
topic_facet lithic technology
North Patagonia
rock use
reduction intensity
tecnología lítica
Norpatagonia
uso de rocas
intensidad de reducción
author Alberti, Jimena
author_facet Alberti, Jimena
author_sort Alberti, Jimena
title Exploitation of lithic raw materials and occupation of space along the middle and late holocene in the west coast of San Matías gulf (Río negro, Argentina)
title_short Exploitation of lithic raw materials and occupation of space along the middle and late holocene in the west coast of San Matías gulf (Río negro, Argentina)
title_full Exploitation of lithic raw materials and occupation of space along the middle and late holocene in the west coast of San Matías gulf (Río negro, Argentina)
title_fullStr Exploitation of lithic raw materials and occupation of space along the middle and late holocene in the west coast of San Matías gulf (Río negro, Argentina)
title_full_unstemmed Exploitation of lithic raw materials and occupation of space along the middle and late holocene in the west coast of San Matías gulf (Río negro, Argentina)
title_sort exploitation of lithic raw materials and occupation of space along the middle and late holocene in the west coast of san matías gulf (río negro, argentina)
description The archaeological occupation of the San Matías Gulf coast (Río Negro province, Argentina) began at 6000 to 450 years BP. In particular, the oldest occupations in the west coast of the gulf are dated around 3000 years BP. From this moment on, the hunter-gatherers who inhabited the area exploited several types of lithic raw materials, in order to manufacture artifacts for different purposes. In this paper we present the techno-morphological characteristics of the lithic assemblages recovered in the study area, the lithic raw material analysis of the sample and the results of the reduction intensity for different types of rocks. To establish if the rocks use changed over time, we split the artifact sample into two chronological blocks defined for the area. The results indicate that a large variability of rocks, mainly of local origin, was used in this portion of the Rio Negro coast, and that some particular raw materials, like obsidian, were transported from distant sources. The rocks that would have been more used were chalcedony, flint and acid volcanics rocks, along with jasper in the earlier moments of the occupation, and chert in the later ones.
publisher Centro de Estudios Históricos. UA CONICET
publishDate 2017
url https://revistas.unc.edu.ar/index.php/comechingonia/article/view/18051
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first_indexed 2024-09-03T20:43:24Z
last_indexed 2024-09-03T20:43:24Z
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