Table 3

Estimates of HSE abundances and 187Os/188Os in various chondrites and iron meteorites (in ng g−1) and range of metal–silicate and metal-sulphide D values

ReservoirRe (±1σ)Os (±1σ)Ir (±1σ)Ru (±1σ)Pt (±1σ)Rh (±1σ)Pd (±1σ)Au (±1σ)187Re/188Os (±2σ)187Os/188Os (±2σ)186Os/188Os (±2σ)
Melting Temp134533327268325832045182618251337
50% Tc218211812160315511408139213241060
Metal-Silicate D31.1 × 105 to 2.8 × 1061.5 × 104 to 1.0 × 1062.1 × 105 to 3.5 × 1071.3 × 105 to 7.4 × 1063.7 × 104 to 8.6 × 1054.5 × 104 to 1.6 × 1062.2 × 103 to 2.0 × 1041 × 103 to 5 × 103
Abundances in Photosphere-1.45 ±0.11.35±0.11.84 ±0.071.8 ±0.31.12 ±0.121.69 ±0.041.01 ±0.15
CI Chondrite438.1 ±1.9460.5 ±4.4430.6 ±15.2637.4 ±18.1873.5 ±22.6131 ±5.9570.5 ±13.6175 ±13.50.39210.1262 ±0.0002
Carbonaceous Chondrite552.6 ±23651.4 ±282573.3 ±119837.6 ±1571119.6 ±208151.1 ±19636.9 ±156156 ±300.38270.1258 ±0.0016
Ordinary Chondrite515634 ±171528.2 ±151818 ±2301124.6 ±319156.2 ±49809.5 ±285285 ±990.41790.128 ±0.0008
Enstatite Chondrite563.9 ±22720 ±245577.9 ±223881.6 ±3241199.8 ±451189.5 ±63678 ±202202 ±600.42060.1284 ±0.0020
Rumuruti Chondrite532.3 ±8524.5 ±106493 ±130876.8 ±72881.5 ±67175.8 ±18571 ±11074 ±490.29190.1258 ±0.0019
IVB Iron - Hoba62730.6 ±139217.5 ±1627570 ±100429150 ±41030780 ±90535406198 ±65640.33000.12188 ±0.00006
IIAB Iron - Coahuila6123010140160002540032170299017705200.57490.141625 ±0.000020.119842 ±0.000013
IIAB Iron - Filomena6200103336001520025340286019106100.91760.169318 ±0.000020.119966 ±0.000012
  • Notes:

  • 1 Melting point of the pure metal in K (Emsley 1991).

  • 2 Equilibrium condensation temperatures for a Solar System composition gas presented as the 50% trace element concentration (50% Tc; Lodders, 2003).

  • 3 Metal-silicate D values at a range of temperatures and pressures (Mann et al. 2012 [Ru, Rh, Pd, Re, Ir, Pt]; Yokoyama et al. 2009 [Os]; Danielson et al. 2005 [Au]).

  • 4 Data from CI-chondrite Orgueil compiled from Horan et al. (2003) and Fischer-Gödde et al. (2010). Present-day 187Os/188Os in chondrites ranges from ~0.120 to 0.132, with initial 187Os/188Os of 0.09517.

  • 5 Chondrite data from Walker et al. (2002), Horan et al. (2003), Brandon et al. (2005a), Fischer-Godde et al. (2010) and Day et al. (2015b).

  • 6 Data for magmatic irons from Cook et al. (2004), Petaev and Jacobsen (2004) and Walker et al. (2008).

  • Abundances in the Solar Photosphere are presented at log NH = 12 and are from Anders & Grevesse (1989).