Data for: Compositional changes of granitoids from the Menglian Batholith in SW China at ca. 122 Ma: Implications for the origin of decoupled Nd–Hf isotopic compositions and crust generation in collision zones

Zircon U-Pb age, major and trace elements, and whole-rock geochemical data of the Menglian Batholith, SW Yunnan滇西（SW Yunnan）孟连岩基（Menglian Batholith）的锆石U-Pb年龄（Zircon U-Pb age）、主量与微量元素（major and trace elements）及全岩地球化学数据（whole-rock geochemical data）