A new method for interpreting lead isotope ratios of artefacts is presented: a numerical and graphical ‘match–no match‘ with possible raw materials. By calculating the definite integral under the kernel density estimate plot of different mining districts, using open‐access software and legacy data, the relative probability that an object is made of an ore is indicated. A match with the reference data set may indicate the true origin, while no match indicates an unknown origin, that is, not present in the data set of mineral resources. Likewise, the composite or recycled nature of artefacts can be investigated in a probabilistic manner.

中文翻译：

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“不匹配”数字和图形核密度方法用于解释古代文物的铅同位素特征

提出了一种解释伪影的铅同位素比的新方法：与可能的原料进行数字和图形“匹配-不匹配”。通过使用开放访问软件和遗留数据，在不同采矿区的核密度估算图下计算定积分，可以表明某物体由矿石制成的相对概率。与参考数据集的匹配可能表示真实来源，而没有匹配项则表明未知来源，即矿产资源数据集中不存在该来源。同样，可以以概率方式研究人工制品的复合或回收性质。