Table 1

Thermophysical data for metal and silicate

QuantityValueScale and units
M (silicate)4.028×1024 kga
M (metal)1.947×1024 kga
r (mantle)6371kma
r (core)3480kma
Silicate EoS
Tref1723K
P03330kg/m3
K80GPa
K3.38
α03.59×10−5 K−1
α′3.851×10−1
δ05
κ4.4
CP880J/(kg·K)
Metal EoS
Tref1812K
P06190kg/m3
K130GPa
K3.20
α05.04×10−5 K−1
α′4.005×10−1
δ06.5
κ1.4
CP800J/(kg·K)
Tm (silicate)b,d
T01803K
a2.19
b22.56GPa
Tm (silicate)c,e
T02000K
b26.316K/GPa
  • a Source: Stacey (1992)

  • b Source: Fiquet et al. (2010).

  • c Source: Wade and Wood (2005).

  • d Simon equation parameters Tm(P,T0,a,b) = T0 × (1 + P/b)(1/a).

  • e Linear equation parameters Tm(P,T0,b) = T0 + b × P.