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Table 4

Thermal conductivity at ambient conditions, thermal expansion coefficients, and Anderson-Grüneisen parameter for two mantle species.

Mineral k0 α1 α2 δT
[W K-1 m-1] [10-5 K-1] [10-8 K-2]

MgSiO3a 4.7c 2.6 1.0 6.5
Mg2SiO4b 5.2d 2.69 2.12 8.4

Notes. The temperature dependence of the thermal expansivity is expressed in linear form as α(T) = α1 + α2T.


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