Zircon U–Pb Ages and Geochemistry of Granite Porphyries in the Yangla Cu Deposit, SW China: Constraints on Petrogenesis and Tectonic Evolution of the Jinshajiang Suture Belt

Figure 12

Major element diagrams of the granite porphyries and granodiorite in Yangla copper deposit, Yunnan, China. (a) TAS diagrams after Middlemost, 1994 [73]. (b) SiO₂-K₂O diagrams after Morrison, 1980, Rickwood, 1989, and Rollinson, 1993 [74–76]. (c) SiO₂-AR diagrams after Wright, 1969 [77]. (d) A/NK-A/CNK diagrams after Maniar and Piccoli, 1989 [78].

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