Dataset of lead isotope ratios of lead ores.

This database was compiled from the literature. All samples analysed prior to 1980 are excluded, due to poorer precision before that date. The ores have been placed in groups corresponding to countries or important regions. In most papers the ratios 208Pb/206Pb, 207Pb/206Pb and 206Pb/204Pb were given. The ratios 208Pb/204Pb and 207Pb/204Pb shown have been calculated from the other values. All samples which were published with only two isotope ratios are excluded.本数据库由公开文献汇编构建。鉴于1980年前的分析精度较差，所有该时间节点前分析的样品均已被剔除。矿石样品已按所属国家或重要地理区域进行分组。绝大多数已发表文献均给出了208Pb/206Pb、207Pb/206Pb及206Pb/204Pb同位素比值，本数据集所展示的208Pb/204Pb与207Pb/204Pb比值，均由前述其他比值计算得到。仅报道两项同位素比值的样品均已被剔除。