187Re/188Os versus 187Os/188Os diagrams for (a) IA, IID, IB, IIIC, IAB, IIIAB, (b) IVB, (c) IVA, (d) IIAB and (e) IIIAB iron meteorites and 190Pt/188Os versus 186Os/188Os diagram for (f) IIAB and IIIAB iron meteorites. Data and iso-/error-chrons are from Shen et al. (1996), Horan et al. (1998), Chen et al. (2002), Cook et al. (2004), Walker et al. (2008) and McCoy et al. (2011).