There are 37 lectures, major headings are geochronology, radiogenic isotope geochemistry and stable isotope geochemistry.

这里有37讲，主要是地质年、射性同位素地球化稳定同位素地球化。

The lead isotope study shows that ores of the Mujiazhuang copper deposit and the host rocks contain very high radiogenic lead.

明，穆家庄铜矿矿石铅近矿围岩岩石铅具有极高的射性成因铅特点。