Sample | Phase | x Fe | x Al | x Mg | x Si | Fe3+/ΣFe precursor | Fe3+/ΣFe bridgmanite | 57Fe enrichment | Ref |
---|---|---|---|---|---|---|---|---|---|
U1219 | Majorite | 0.18(1) | 0 | 0.82(1) | 1.00(1) | 0.09(2) | 0.15–0.20 | 0.9 | a, b |
SL16 | Bridgmanite | 0.14(2) | 0.02(1) | 0.86(3) | 0.98(4) | – | 0.30(5) | 0.6 | c |
SL18 | Pyroxene | 0.12(1) | 0 | 0.88(2) | 1.00(1) | n.a. | 0.15(4) | 0.6 | d, e |
S4850 | Bridgmanite | 0.40(3) | 0.37(2) | 0.60(3) | 0.63(3) | – | 0.80(5) | 0.9 | f |
S4883 | Bridgmanite | 0.15(2) | 0.04(1) | 0.83(2) | 0.98(1) | – | 0.27(7) | 0.6 | g |