各位老师和同学：
应徐义刚院士邀请，美国加州大学戴维斯分校尹庆柱教授访问我所，并将于下周一上午做“同位素室学术报告”2019年第21次报告。欢迎大家参加并积极参与讨论！
Topic: ID-TIMS high precision U-Pb geochronology applied to Snowball Earth, REE mineralization, and Speleothems (carbonate cave deposits)
Speaker: Prof. Qingzhu YIN (UC Davis, USA)
Time: 10:00 AM, July 15th (Monday)
Place:
Conference Room 701 of Main Building
Brief Introduction of the Speaker:
Prof. Qingzhu Yin is a world famous geochemical and planetary scientist. His research focuses on the following aspects: using extinct radioactivity and general isotopic anomalies in the early solar system recorded in primitive meteorites as a tool to study the time scales and site of nucleosynthesis, the time of formation of the solar system and planetary differentiation; isotope and trace element geochemistry with applications to crust-mantle evolution; heavy metal stable isotope fractionation in low temperature environments on planetary surfaces or in biological systems using newly emerging high precision mass spectrometry techniques; the development of associated experimental techniques involving high precision mass spectrometry and ultra-clean sample processing in Class-100 clean laboratories for isotope analyses.
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