Research Article

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 4

The underground tunnel 3,250 m section map of the Yangla copper deposit, Yunnan, China. 1: Devonian (Linong Formation); 2: Devonian (Jiangbian Formation); 3: granitic porphyry; 4: copper ore body; 5: fault and corresponding number; 6: fracture zone; 7: geological boundary line; and 8: tunnel and corresponding number.