The origin of late Cenozoic magmatism in the South China Sea and Southeast Asia

Table S1. Chemical and isotopic compositions for lavas from the South China Sea seamounts

Table S2. Major and trace element contents and He isotope compositions for South China Sea seamount glass

Table S3 Major element compositions of melt inclusion in olivine from lavas in the South China Sea seamounts

Table S4. Major and trace element compositions of olivines analyzed by EPMA (wt. %) and LA-ICP-MS (ppm)

Table S5 Chemical compositions of spinel inclusions and their host olivines analyzed and calculated Al-in-ol-sp temperatures and log(fO2) FMQ

Table S6: U-Th-Pb isotopic ratios and ages, Hf isotopes of zircons

Table S7 Compositions of International standards