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首页> 外文期刊>Geografia Fisica e Dinamica Quaternaria >The Conhal Of Arneiro (nisa, Nordeste Alentejano, Portugal).a Geoarchaeological View On Ancient Gold Exploitation In A Late Quaternary Tagus Riverine Landscape
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The Conhal Of Arneiro (nisa, Nordeste Alentejano, Portugal).a Geoarchaeological View On Ancient Gold Exploitation In A Late Quaternary Tagus Riverine Landscape

机译：Conne of Arneiro（尼萨，Nordeste Alentejano，葡萄牙）。晚期第四纪塔霍河景观中古代金矿开采的地质考古学观点

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This paper presents the results of geoarchaeological research in the Portuguese Tagus Valley. Until recently, the Late Quaternary evolution of the Conhal of Arneiro (Nisa, Northeastern Alentejo, Portugal) was poorly examined and understood. Especially the large-scale exploitation for placer gold in historical times complicated the landscape reconstruction, as it systematically obliterated large parts of the archaeological and palaeoenvironmental record. The Pleistocene T2 Tagus River terrace was exploited over an area of 0.6 km~2, resulting in the removal of ca. 8.4×10 m~2 of auriferous sediments. The sterile waste products that were evacuated towards the Tagus and its tributaries, choked parts of the valleys and covered the Late Glacial Holocene T1 terrace. A geoarchaeological approach was vital to assess the different natural and anthropogenic processes and their interactions during the Late Quaternary. Firstly, the anthropogenic landforms were identified and interpreted as to their function in the exploitation process. Within this framework, the preserved fluvial landforms could be analysed and the Late Quaternary riverine evolution be reconstructed. It is important to stress the patrimonial value of the Conhal since the unique cultural landscape created by the mining activities has been well preserved. The importance of such old industrial sites is however often disregarded. Of all the placer gold exploitations along the Tagus, only the Conhal area has been declared historical mining patrimony. The research presented in this paper can serve as a guideline for the analysis of comparable areas and can be a stimulus towards protection and preservation of this unique heritage.
机译：本文介绍了葡萄牙塔霍河谷的地质考古研究成果。直到最近，对Arneiro康纳尔（Nisa，东北阿连特茹，葡萄牙）的第四纪晚期演化的研究还很少。特别是在历史时期对砂金的大规模开采使景观重建变得复杂，因为它有系统地抹去了考古和古环境记录的大部分内容。更新世的T2塔霍河阶地在0.6 km〜2的范围内被开采，从而去除了约20平方公里的钙。 8.4×10 m〜2的含金沉积物。无菌废物被排到塔霍河及其支流，山谷的一部分，并覆盖了晚冰川全新世T1阶地。地质考古方法对于评估第四纪晚期的不同自然和人为过程及其相互作用至关重要。首先，确定并解释了人为地貌在开发过程中的作用。在此框架内，可以分析保留的河流地貌，并重建第四纪晚期河流演化。强调康纳尔族的遗产价值很重要，因为采矿活动创造的独特文化景观得到了很好的保护。但是，经常会忽略这些旧工业用地的重要性。在塔霍河沿岸的所有砂金开采中，只有康哈尔地区被宣布为历史采矿遗产。本文中提出的研究可以作为分析可比地区的指南，并且可以促进保护和保存这一独特遗产。

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