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Portable laser ablation sheds light on Early Bronze Age gold treasures in the old world: New insights from Troy, Poliochni, and related finds
Journal of Archaeological Science ( IF 2.6 ) Pub Date : 2022-11-29 , DOI: 10.1016/j.jas.2022.105694
Moritz Numrich , Christoph Schwall , Nicole Lockhoff , Kostas Nikolentzos , Eleni Konstantinidi-Syvridi , Massimo Cultraro , Barbara Horejs , Ernst Pernicka

The paper focuses on the archaeometric analyses of the gold objects from the famous so-called ‘treasures’ of Troy and Poliochni on the island of Lemnos. Altogether 61 Early Bronze Age (EBA) gold objects dating between 2500 and 2000 BCE were investigated in this study. They were primarily sampled with a portable laser ablation (pLA) unit in the National Archaeological Museum in Athens and analyzed with ICP-MS at the Curt-Engelhorn-Centre Archaeometry (CEZA) in Mannheim. The main advantage of this approach is the possibility to obtain samples on site without the necessity of transport. It is a minimally invasive method that leaves no visible damage on the objects. As an additional advantage there are no restrictions on the size of the objects under study. The central goal of the study was to obtain high-quality compositional analyses of gold objects from the sites Troy and Poliochni to investigate, if the typological similarity is paralleled by the elemental composition of the gold, including the trace elements. This would suggest not only similar procurement of the metal across these sites but also potential exchange of objects and/or specialist workers. In a second step, the results were compared with data from contemporary gold objects from Ur in southern Mesopotamia, from where LA-ICP-MS data have recently become available. Finally, a survey of such data for gold objects from gold-rich regions is used to narrow down the possible origin of Early Bronze Age gold in the Old World.



中文翻译:

便携式激光烧蚀揭示了旧世界早期青铜时代的黄金宝藏:来自特洛伊、波利奥奇尼和相关发现的新见解

这篇论文的重点是对 Lemnos 岛上特洛伊和 Poliochni 著名的所谓“宝藏”中的金器进行考古学分析。本研究共调查了公元前 2500 年至公元前 2000 年的 61 件早期青铜时代 (EBA) 金器。它们主要在雅典国家考古博物馆使用便携式激光烧蚀 (pLA) 装置进行采样,并在曼海姆的 Curt-Engelhorn-Centre Archaeometry (CEZA) 使用 ICP-MS 进行分析。这种方法的主要优点是无需运输就可以在现场获取样品。这是一种微创方法,不会在物体上留下可见的损伤。作为一个额外的优势,对研究对象的大小没有限制。该研究的中心目标是对 Troy 和 Poliochni 遗址的黄金物品进行高质量的成分分析,以调查类型学相似性是否与黄金的元素组成(包括微量元素)平行。这不仅表明在这些地点进行类似的金属采购,而且还表明可能交换物品和/或专业工人。在第二步中,将结果与来自美索不达米亚南部乌尔的当代黄金物品的数据进行了比较,最近从那里获得了 LA-ICP-MS 数据。最后,对来自黄金丰富地区的黄金物品的此类数据进行调查,以缩小旧世界早期青铜时代黄金的可能来源范围。如果类型相似性与黄金的元素组成相似,包括微量元素。这不仅表明在这些地点进行类似的金属采购,而且还表明可能交换物品和/或专业工人。在第二步中,将结果与来自美索不达米亚南部乌尔的当代黄金物品的数据进行了比较,最近从那里获得了 LA-ICP-MS 数据。最后,对来自黄金丰富地区的黄金物品的此类数据进行调查,以缩小旧世界早期青铜时代黄金的可能来源范围。如果类型相似性与黄金的元素组成相似,包括微量元素。这不仅表明在这些地点进行类似的金属采购,而且还表明可能交换物品和/或专业工人。在第二步中,将结果与来自美索不达米亚南部乌尔的当代黄金物品的数据进行了比较,最近从那里获得了 LA-ICP-MS 数据。最后,对来自黄金丰富地区的黄金物品的此类数据进行调查,以缩小旧世界早期青铜时代黄金的可能来源范围。将结果与来自美索不达米亚南部乌尔的当代黄金物品的数据进行了比较,最近从那里获得了 LA-ICP-MS 数据。最后,对来自黄金丰富地区的黄金物品的此类数据进行调查,以缩小旧世界早期青铜时代黄金的可能来源范围。将结果与来自美索不达米亚南部乌尔的当代黄金物品的数据进行了比较,最近从那里获得了 LA-ICP-MS 数据。最后,对来自黄金丰富地区的黄金物品的此类数据进行调查,以缩小旧世界早期青铜时代黄金的可能来源范围。

更新日期:2022-11-29
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