Table 1 Chemical compositions of starting materials
From: Melting phase relations in the MgSiO3–CaSiO3 system at 24 GPa
Name | Phasea | MgO | CaO | SiO2 | Total (wt.%) | Mg | Ca | Si | ∑Cationb | Mg/(Mg + Ca) |
|---|---|---|---|---|---|---|---|---|---|---|
Mg90 | Mixture | 35.63(22) | 5.30(45) | 58.87(54) | 99.79(33) | 0.903(1) | 0.097(9) | 1.001(4) | 2.000(4) | 0.904(8) |
Mg75 | Glass (29) | 28.99(22) | 13.67(10) | 57.12(42) | 99.78(50) | 0.753(5) | 0.255(2) | 1.004(2) | 2.004(3) | 0.747(2) |
Mg50 | Glass (26) | 18.53(16) | 25.65(15) | 54.89(36) | 99.07(59) | 0.503(3) | 0.500(2) | 0.999(2) | 2.001(2) | 0.501(2) |