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 22

Composition diagrams of the granite porphyry and granodiorite. The area between the high-pressure (12-15 kbar) and low-pressure (≤5 kbar) curves encompasses the range of depths at which mantle-crust interaction takes place (After Douce, 1999 [82]).