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 1

(a) Geotectonic framework map of China showing the location of the Sanjiang Orogen (after [2]). (b) Regional geological map of the Sanjiang region (SW China), showing the major geological terranes, suture zones, volcanic belts, and locations of the major ore deposits (modified after [3]). (c) Geologic map of the Yangla Cu deposit showing the distribution of the major ore-related intrusion, faults, ore block, and ore bodies (modified after [23]). 1—Gajinxueshan Group, 2—Silurian, 3—Devonian, 4—Carboniferous Beiwu Formation, 5—Tertiary, 6—granodiorite, 7—granitic porphyry, 8—monzonite granite, 9—quartz-diorite, 10—Hercynian (ultrabasic rock), 11—ore body, 12—faults, 13—geological boundary, and 14—ore block.