Xu, Cheng; Campbell, Ian; Allen, Charlotte M; Chen, Yanjing; Huang, Zhilong; Qi , Liang; Zhang, Guishan; Yan, Zaifei
The Qinling is an important orogenic belt, which formed by the joining of the North China and South China blocks. The Shaxiongdong carbonatite-syenite complexes were emplaced at the southern margin of South Qinling and border the South China block. LA-ICPMS (Laser Ablation Inductively Coupled Plasma Mass Spectrometry) zircon U-Pb geochronology constrains the syenite emplacement age to be 441.8 ± 2.2 Ma, which is significantly earlier than the collision of the South China block and South Qinling...[Show more]
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