Citation: | Yong Wang, Yong-hong Shi, Bai-lin Chen, Ren-wen Tan, Yun Gao, Jing-hui Shen, 2019. Zircon U-Pb age of Fengxian acid pyroclastic rocks and its enlightenment to the existence of Pan-African orogeny in the West Qinling Orogenic Belt, China, China Geology, 2, 557-559. doi: 10.31035/cg2018130 |
[1] | Chen Q. 2007. Chemical ages for the multi-stage metamorphism of the Qinling group at Taibai, Shaanxi Province. China University of Geosciences (Wuhan), 1–43 (in Chinese with English abstract). |
[2] | Gao JM, Pei XZ, Li ZC, Li RB, Pei L, Wei FH, Wu SK, Liu CJ, Wang YC, Chen YX. 2012. LA-ICP-MS zircon U-Pb dating and geochemical characteristics of the Liushuigou igneous complex, Tianshui area, West Qinling Mountains. Geological Bulletin of China, 31(9), 1482–1495. |
[3] | Liu YS, Hu ZC, Gao S, Günther D, Xu J, Gao CG, Chen HH. 2008. In situ analysis of major and trace elements of anhydrous minerals by LA-ICP-MS without applying an internal standard. Chemical Geology, 257(1), 34–43. |
[4] | Liu YS, Hu ZC, Zong KQ, Gao CG, Gao S, Xu J. 2010. Reappraisement and refinement of zircon U-Pb isotope and trace element analyses by LA-ICP-MS. Chinese Science Bulletin, 55(15), 1535–1546. doi: 10.1007/s11434-010-3052-4 |
[5] | Kroner A. 1993. The Pan-African belt of northeastern and eastern Africa, Madagascar, southern India, Sri Lanka and East Antarctic: Terrane amalgamation during formation of the Gondwana supercontinent. Geoscientific Research in Northeast Africa, Balkema, Rotterdam, 3–9. |
Geotectonic position (a) and regional geological map of Fengxian area on the West Qinling (b); Cathodoluminescence images (c) and concordia diagram of some acid pyroclastic rocks (d).