Subduction within the Proto-Tethys Ocean revealed by recognition of the earliest Phanerozoic intra-oceanic arc, northern Tibetan Plateau

Analytical methods Table S1. Whole-rock major (wt.%) and trace element (ppm) data for volcanic rocks in the Tuomoerrite area, North Qaidam belt. Table S2. LA-ICP-MS zircon U-Pb data for dacites and gabbro in the Tuomoerrite area, North Qaidam belt. Table S3. Zircon Lu-Hf isotopic data for Cambrian dacites and gabbro in the Tuomoerrite area, North Qaidam belt. Table S4. Whole-rock Rb-Sr and Sm-Nd isotopic compositions for the volcanic rocks in the Tuomoerrite area, North Qaidam belt.