1986年10月19—25日,中国矿物岩石地球化学学会同位素地球化学委员会在湖北宜昌召开了第三届全国同位素地球化学学术讨论会。有300人出席了会议,就391篇论文进行了学术交流。从会议情况看,在上一届大会以来的四年间,我国的同位素地质地球化学研究又获得了长足的进步。首先,在同位素实验室建 On October 19-25, 1986, the China National Geochemistry Society for Mineralogy and Geochemistry held the Third National Symposium on Isotope Geochemistry in Yichang, Hubei Province. 300 people attended the meeting and conducted academic exchanges on 391 papers. From the conference situation, in the four years since the last congress, great progress has been made in isotope geo-geochemistry research in our country. First, built in an isotope laboratory