基于石榴石的变质岩年代学

程昊, 徐乃潇

Garnet Geochronology of Metamorphic Rocks

Hao Cheng, Naixiao Xu

图7 包裹体矿物对石榴石不同定年体系等时线的影响（据参考文献[21]修改） （a）包裹体矿物对石榴石Sm-Nd等时线的影响；（b）包裹体矿物对石榴石Lu-Hf等时线的影响

Fig.7 Inclusion issues in different isochron systems（modified after reference[21]） (a) Sm-Nd plot showing the effects of contamination due to high Sm/Nd inclusions on measured garnet compositions; (b) Lu-Hf plot showing the effects of old, inherited zircon included in garnet and whole rock samples