Table 1 Partial molar volumes at the reference temperature of 1723 K and partial thermal expansivities of each oxide component

From: Gravitational stability of iron-rich peridotite melt at Mars’ core-mantle boundary

 

This study

Ref. 11

VSiO2 (1723 K) (cm3 mol-1)

24.40 ± 0.05

26.86 ± 0.04

δVSiO2/δT (cm3 mol−1 K−1)

0.84 ± 0.14 × 10-3

-

VMgO (1723 K) (cm3 mol−1)

13.61 ± 0.05

11.75 ± 0.08

δVMgO/δT (cm3 mol-1 K-1)

0.80 ± 0.13 × 10−3

3.18 ± 0.18 × 10-3

VFeO (1723 K) (cm3 mol−1)

14.91 ± 0.02

12.82 ± 0.16

δVFeO/δT (cm3 mol−1 K−1)

2.11 ± 0.07 × 10−3

3.69 ± 0.58 × 10−3

  1. Parameters determined from the experimental density results of peridotitic melts in this study are compared with the previous density model based on the data of SiO2-rich basaltic melts11.
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