radiogenic

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

里有37讲，主要是地质年代学、放射性同位素地球学和稳定同位素地球学。

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

研究表明，穆家庄铜矿矿石和近矿围岩岩石具有极高的放射性特点。