Pb isotopic composition的意思|示意

The Pb isotopic composition of the ore is similar to that of Mesozoic_Cenozoic sedimentary rocks in this basin.

矿石与盆地的中新生界沉积岩系的铅同位素组成相似。

The Pb isotopic composition of ore sulfides is stable and the ore lead is ordinary common lead. Ore lead derived from magma, which came from partial melting of the upper crust in Early Cretaceous.

矿石铅同位素组成稳定，为正常普通铅，矿石铅来源于早白垩世上地壳物质部分熔融形成的岩浆。

The paper deals with the ore-forming material sources on basis of study on S, Pb, H, O, C and rare gas isotopic composition, fluid inclusion and comparative analysis.

通过对峪耳崖金矿硫、铅、氢、氧、碳、 稀有气体同位素、 包裹体研究以及与区域对比分析，对金、银成矿物质来源进行探讨。