异常铅 meaning in English

anomalous lead
extraordinary lead

Copper deposit with high radioactive lead anomaly discovered first in qinling area
秦岭地区首次发现含放射性成因异常铅的铜矿床
The plumbum of ores have some characteristics of the plumbum of earth ' s mantle and some characteristics of the plumbum of up per earth ' s crust
阿克提什坎金矿床不同地质体铅同位素特征表明，矿床铅不是单一来源的正常铅，而是混合型多来源的异常铅。