| Citation: |
Shou-kui Li, Xue-long Liu, Shi-tao Zhang, Jie-hu Zhou, Bo-de Lu, Yun He, 2025. Zircon U-Pb age of the mafic microgranular enclaves in the ore-forming porphyry of the Tongchanggou Mo (Cu) deposit, northwestern Yunnan, China, China Geology, 8, 628-630. doi: 10.31035/cg2024136
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Zircon U-Pb age of the mafic microgranular enclaves in the ore-forming porphyry of the Tongchanggou Mo (Cu) deposit, northwestern Yunnan, China
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References
He J, Wang BD, Wang LQ, Wang QY, Yan GC. 2018. Geochemistry and geochronology of the Late Cretaceous Tongchanggou Mo–Cu deposit, Yidun Terrane, SE Tibet: Implications for post-collisional metallogenesis. Journal of Asian Earth Sciences, 172(1), 308‒327. doi: 10.1016/j.jseaes.2018.09.015. 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(1‒2), 34‒43. doi: 10.1016/j.chemgeo.2008.08.004. Ludwig KR. 2003. ISOPLOT 3.00: A Geochronological Toolkit for Microsoft Excel. Berkeley Geochronology Center, California, Berkeley. https://www.researchgate.net/publication/284758218_ISOPLOT_30_A_Geochronological_Toolkit_for_Microsoft_Excel_Berkeley_Geochronology_Center_Special_Publication. Wang P, Dong GC, Santosh M, Liu KR, Li XF. 2016. Copper isotopes trace the evolution of skarn ores: A case study from the Hongshan-Hongniu Cu deposit, southwest China. Ore Geology Reviews, 88, 822‒831. doi: 10.1016/j.oregeorev.2016.11.023. -
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Shou-kui Li, Xue-long Liu, Shi-tao Zhang, Jie-hu Zhou, Bo-de Lu, Yun He, 2025. Zircon U-Pb age of the mafic microgranular enclaves in the ore-forming porphyry of the Tongchanggou Mo (Cu) deposit, northwestern Yunnan, China, China Geology, 8, 628-630. doi: 10.31035/cg2024136
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Figure 1.
a‒Generalized tectonic map of the Yidun Arc (modified from Wang P et al., 2016); b‒simplified geological map of the Tongchanggou deposit; c, d‒hand-specimen photo of the MME; e‒photomicrograph (crossed-polar) of the MME. Bt-biotite; Kfs – K-feldspar; Pl‒plagioclase; Qz‒quartz; Ap‒apatite
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Figure 2.
a‒Representative zircon cathodoluminescence images of the MMEs; b, c, d‒zircon LA-ICP-MS U-Pb concordia diagrams.