Mercury isotope evidence for Middle Ordovician photic-zone euxinia: implications for termination of the GOBE [Supporting Information 2 and 3]

This file is the Supporting Information S1 and S2 for the paper entitled Mercury isotope evidence for Middle Ordovician photic-zone euxinia: implications for termination of the GOBE. S2 contains the origianl geochemical data and model results. S3 contains the original python code of the mass balance model.