Extended Data Table 3. Parameter for mixing model shown in Figure 3 and resulting ε100Ru values for pre-late veneer mantle endmember composition.
| ε100Ru | ± | Ru (ng g-1) | ε100Ru in pre-LV mantle | ε100Ru in pre-LV mantle min | ε100Ru in pre-LV mantle max | |
|---|---|---|---|---|---|---|
| Chondrite groups | ||||||
| Enstatite | -0.08 | 0.04 | 81856 | 0.31 | 0.16 | 0.47 |
| Ordinary | -0.29 | 0.03 | 88256 | 1.14 | 1.02 | 1.26 |
| Carbonaceous average | -0.90 | 0.61 | 83856 | 3.56 | 1.19 | 4.74 |
| Carbonaceous average | -0.90 | 0.12 | 83856 | 3.56 | 3.08 | 4.03 |
| CI | -0.24 | 0.13 | 637.456 | 1.00 | 0.46 | 1.55 |
| CM | -0.69 | 0.38 | 81756 | 2.90 | 1.30 | 4.49 |
| Terrestrial mantle | ||||||
| Modern mantle* | 0.00 | 0.02 | 7.016 | |||
| Eoarchean SW Greenland mandle† | 0.22 | 0.04 | ||||
| Pre-late veneer mantle | 1.4 | |||||
*
The composition of the modern mantle corresponds to the mean value calculated for samples from the Bushveld complex (Extended Data Table 1).
†
The Eoarchean SW Greenland mantle composition represents the mean value calculated for samples from the Itsaq gneiss complex (Extended Data Table 1).