Cu、Sn、Ag同位素在古金属制品溯源研究中的应用
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1.成都理工大学 地球科学学院;2.成都理工大学 沉积地质研究院;3.四川西冶新材料股份有限公司

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成都理工大学三星堆多学科综合研究项目资助。


Application of non-traditional Cu, Sn and Ag isotopes in tracing the ancient metal products
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1.College of Earth Science, Chengdu University of Technology;2.Institute of Sedimentary Geology,Chengdu University of Technology;3.Sichuan Xiye new material limited by share LTD,Chengdu,Sichuan

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    摘要:

    近年来,随着同位素分析方法的不断突破和新一代多接受电感耦合等离子体质谱(MC-ICP-MS)测试技术的广泛应用,Cu、Sn、Ag等非传统同位素在古代金属制品溯源研究中显示出较好的应用前景。本文综述了近20年来Cu、Sn、Ag同位素在古代金属制品应用研究的相关进展,并展望了其应用前景:(1)由于不同矿床之间Cu、Sn、Ag同位素存较大重叠,这些同位素均难以作为独立的证据追溯金属制品的地质来源;(2)Cu同位素在原生矿石与表生矿石之间存在较大的分馏,是示踪铜矿石类型的可靠方法,Ag同位素也具推断银矿石类型的潜力;(3)将Cu、Sn、Ag同位素与Pb同位素、微量元素相结合,并采用合理的统计方法,开展综合溯源研究将是今后应用非传统同位素进行古代金属制品溯源研究的发展方向。

    Abstract:

    In recent years, the isotope analysis method has been continuously improved. Furthermore, the new generation of multi collector inductively coupled plasma mass spectrometry (MC-ICP-MS) testing technology has been widely applied. Therefore, non-traditional isotopes (e.g., Cu, Sn, Ag isotopes) have shown good application prospects in tracing ancient metal products. The relevant progresses of these isotopes in the application research of ancient metal products in the past 20 years have been reviewed in this study and listed below, as well as their application prospects. (1) Due to the extensive and significant overlap of Cu, Sn and Ag isotopes between different deposits, these isotopes are difficult to trace the geological source of metal products as independent evidence. (2) Cu isotopes exhibit significant fractionation between primary and supergene ores and are considered to be reliable to trace the copper ore types. In addition, Ag isotopes also have the potential to constrain the silver ore types. (3) The combination of Cu-Sn-Ag isotopes with Pb isotopes and trace elements can be appilied to conduct comprehensive traceability research, using reasonable statistical methods. This method will be the development direction to trace the ancient metals products using non-traditional isotopes in the future.

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  • 收稿日期:2023-05-28
  • 最后修改日期:2023-09-28
  • 录用日期:2023-10-06
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