Plot of μ97Mo versus μ100Ru using data from Table 4 and group averages reported by Bermingham et al. (2018), Worsham et al. (2019) and Hilton et al. (2019). NC type meteorites include group averages of IC, IIAB, IIIAB, IIIE, IVA and one ungrouped iron, Gebel Kamil. CC type meteorites include group averages of IID, IIF, IIIF, IVB, SBT, IIC and four ungrouped irons Wiley, Chinga, Dronino, and Tishomingo. The black line is a linear regressions calculated using ISOPLOT.