Fox_G3_CuIsotopesSI

Two Supporting Information Files are provided as a supplement to the Methods section of the attached manuscript. Both files are.xlsx data files. Supporting Information File 1 (Data Set S1) is an extended method for the column chromatography process undertaken for copper separation prior to isotopic analysis. Support Information File 2 (Data Set S2) provide long-term values for the in-house copper ore mineral standards used within and developed as part of this study.