Crustal thickness modulates magma differentiation and masks mantle heterogeneity in subduction zones

Supplementary Table 1. Collected major and trace elements and Pb isotopes of whole rock samples from 17-22°N Mariana Trough. Supplementary Table 2. Compositions of melt inclusions and their host olivines analysised in this study. Supplementary Table 3. Parameters for the mixing calculations in Fig. 4. Supplementary Table 4. The measured and recommended trace element compositions of the reference glass analysis by LA-ICP-MS. Supplementary Table 5. Analytical Pb isotopic ratios of standard samples.