See methods section in the accompanying paper for further details.

Table S1: Details of experiments and analyses for the different groups of experiments
Table S2: Compositional data for the quenched experimental silicate and metal phase, collected by EPMA and LA-ICP-MS (silicate) and EPMA only (metal), at the Bayerisches Geoinstitut. See captions and paper for details.
Table S3: Literature sources used for additional data used in the data compilation in the paper
Table S4: Variance-covariance matrices for data fitting
Tables S5 and S6: Model outputs, see captions and paper for details.