首页> 外文期刊>Archaeometry >ENHANCING UNDERSTANDING OF THE EMERGENCE OF GLOBAL TRADE: ANALYSIS OF 17TH- TO 19TH-CENTURY SPANISH COINS RECOVERED FROM WESTERN AUSTRALIAN SHIPWRECKS USING LASER ABLATION - INDUCTIVELY COUPLED PLASMA - MASS SPECTROMETRY (LA-ICP-MS)
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ENHANCING UNDERSTANDING OF THE EMERGENCE OF GLOBAL TRADE: ANALYSIS OF 17TH- TO 19TH-CENTURY SPANISH COINS RECOVERED FROM WESTERN AUSTRALIAN SHIPWRECKS USING LASER ABLATION - INDUCTIVELY COUPLED PLASMA - MASS SPECTROMETRY (LA-ICP-MS)

机译:加强对全球贸易出现的理解:使用激光消融 - 电感耦合等离子体 - 质谱(La-ICP-MS)从西澳大利亚海难中恢复的17至19世纪西班牙硬币分析

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This research uses legacy data from shipwrecks to further our understanding of global silver movement in the 17th to 19th centuries by analysing a collection of silver coins held by the Western Australian Museum. Three hundred and eighty-nine silver coins were analysed for their trace element fingerprint in order to identify provenance. The coins are a selection from the ships Batavia, Vergulde Draeck, Zuytdorp, Rapid and Correio da Azia, all wrecked off the coast of Western Australia between 1629 and 1816. Analysis was undertaken using laser ablation - inductively coupled plasma - mass spectrometry (LA-ICP-MS), a relatively non-destructive technique with a sensitivity of parts per million to parts per billion. Data were interpreted using linear discriminant analysis (LDA), which allowed the coins of known provenance to be sorted into identifiable subgroups on the basis of their trace and minor elemental fingerprints, while 27 unidentified coins were compared with this database and their mint of origin predicted. These results have implications for the provenance determination of archaeological artefacts of many materials.
机译:本研究采用来自沉船的传统数据通过分析西澳大利亚博物馆持有的银币集合,进一步了解了第17世纪至19世纪的全球白银运动。分析了三百八十九个银币,以识别出原子源。该硬币是来自船只Batavia,Vergulde Draeck,Zuytdorp,Rapid和Correio da Azia的选择,所有这些都在西澳大利亚海岸的1629年和1816年之间遭到了困厄。使用激光烧蚀 - 电感耦合等离子体质谱法进行分析(La- ICP-MS),一种相对非破坏性的技术,百万分之一的敏感性至每十亿份。使用线性判别分析(LDA)解释数据,该分析允许根据其痕量和次要元素指纹将已知物质的硬币分类为可识别的子组,而27个未识别的硬币与该数据库进行比较,并预测其造林的原产地。这些结果对许多材料的考古文物的来源确定有影响。

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