Supporting information: Detailed methods, and Figure S1-S2.Table S1: U-Pb Age of captured zircons from Tengchong Cenozoic volcanics.Table S2: Lu-Hf isotope of captured zircons from Tengchong Cenozoic volcanics.Table S3: Lhasa-Tengchong magmatic database.Table S4: Compiled magmatic zircon Hf isotopic values and ages from the Lhasa-Tengchong terrane.</p