Rocks | Concentration, in ppb | References | |||||
Pt | Pd | Rh | Ru | Ir | Os | ||
Primary mantle Bulk crust Upper mantle peridotite Basaltic andesite Tholeiitic basalt Komatiitic lavas MORB Alkali basalt Peridotite xenoliths, S. Africa* Xenoliths, Karelian Craton* | 7.1 1.5 6.5 18 14 5 0.89 0.23 4.3 4.84 | 3.9 1.5 5.7 11 11 18 2.05 0.37 1.84 2.28 | 0.9 1.1 0.6 <0.5 - - - - 0.93 0.79 | 5 0.6 5.8 2 1.5 7 0.11 0.11 6.54 6.58 | 3.2 0.037 3.5 0.32 0.18 0.7 0.03 0.04 3.67 3.75 | 3.4 0.041 3.5 0.5 <0.5 4 - - - - | [31] [32] [33] [34] [34] [35] [36] [36] [37] [37] |