Data for: Tectonic evolution of the Alxa Block and its affinity: Evidence from Zircon U-Pb geochronology and Lu-Hf isotopes of the Longshoushan Belt

These supplementary materials provide additional information on the U-Pb LA-ICP-MS data (Table 1) and Lu–Hf isotopic data (Table 2) for metamorphosed volcanic-sedimentary rocks in the Longshoushan Belt.