S3 Olivine Fo used in parent paper Figure 1 CALC FORSTERITE E1 Individual olivine analyses for pallasites EMP MgO, TOTAL, CaO, Cr2O3, MnO, FeO, SiO2, P2O5 E2 Average olivine compositions and standard deviations (when n ≥ 3) for different pallasite samples EMP SiO2, CaO, MgO, TOTAL, MnO, Cr2O3, FeO E4 Average olivine compositions and standard deviations for pallasites EMP Cr2O3, SiO2, CaO, TOTAL, FeO, MgO, MnO E6 Average chromite compositions and standard deviations for PCA 91004 EMP MgO, CaO, Cr2O3, FeOT, V2O3, SiO2, Al2O3, MnO, TiO2, ZnO, TOTAL I2 Compositions of olivine and chromite weighted averages by meteorite, determined by INAA for n analyses INAA Zn, Cr, Ni, Co, Fe, Sc, Lu L1 Individual laser ablation ICP-MS analyses of pallasite olivines LA-ICPMS Cr, Sc, Zn, Ga, Co, Ni, V, Al, P, Ti, Ca L2 Weighted-mean in-situ trace element compositions of pallasite olivine samples LA-ICPMS Zn, Ga, Ti, P, Sc, Ni, Ca, Al, Cr, Co, V L3 Weighted-mean in-situ trace element olivine compositions of pallasites LA-ICPMS Ca, P, Ti, V, Cr, Al, Ga, Ni, Co, Sc, Zn I1 Compositions of olivine and chromite samples determined by INAA INAA Ni, Cr, Sc, Fe, Zn, Co, La, Lu, Sm, Yb, Au, Ca, As, Sb 
