radiogenic

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

这里有37讲，主要是质年代学、放射性同球学和稳定同球学。

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

明，穆家庄铜矿矿石铅和近矿围岩岩石铅具有极高的放射性成因铅特点。