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Materias Primas Líticas y Manufactura de Instrumentos en Tres Localidades de la Costa Oeste del Golfo San Matías (Provincia de Río Negro, Argentina)

机译：圣马蒂亚斯湾西海岸三个地点的岩性原材料和仪器制造（阿根廷里约内格罗省）

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摘要

The western coast of San Matías Gulf (Río Negro province, Argentina) has certain characteristics that make it environmentally and geologically different from the northern coast of the same Gulf. The archaeological project that has been initiated in the area aims to explore the dynamics of the human occupation in the area during Middle and Late Holocene, and to assess what role it played in relation to mobility and subsistence system of human populations that inhabited the region, including the study of the exploitation of lithic raw materials. This paper presents the results of the analysis of the tool assemblages from three archaeological localities on the West coast of the Gulf, in order to delineate the trends regarding the exploitation of lithic raw materials in the area. Index of reduction proposed by different authors are used together in order to detect general trends. The results show differences with respect to the lithic assemblages of the northern coast of the Gulf, mainly related to the use of dark fine-grained rocks, abundant in the North and almost absent in the West. Finally, no clear patterns were detected in regard to the intensity of reduction of different types of rocks, which is a wake-up call in regard to the usefulness of the use of different reduction index all together.
机译：SanMatías海湾（阿根廷里奥内格罗省）的西海岸具有某些特征，使其在环境和地质上不同于同一海湾的北海岸。在该地区发起的考古项目旨在探索新世中期和晚期人类在该地区的占领动态，并评估其在该地区人口流动和生计系统中所起的作用，包括对石料原料开采的研究。本文介绍了来自墨西哥湾西海岸三个考古地区的工具组合的分析结果，以描绘出该地区的岩性原材料开发趋势。由不同作者提出的降低指标一起使用，以检测总体趋势。结果表明，在海湾北部海岸的石器组合方面存在差异，主要与使用深色细颗粒岩石有关，该岩石在北部丰富，而在西部几乎不存在。最后，关于不同类型岩石的还原强度，没有发现清晰的模式，这对于使用不同的还原指数的有效性是一个警钟。

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    Alberti Jimena;

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  • 年度 2013
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