The results of experimental measurements of the temperature dependence of the
effective thermal conductivity of various granite samples obtained by the
absolute stationary method in the temperature and pressure ranges of 273-
523 K and 0.1-400 MPa, respectively, are analyzed. The power-law character
of the temperature dependence of the effective thermal conductivity for all
measured granite samples at atmospheric pressure is established. We have
shown that pressure significantly affects the power law of the temperature
dependence of the effective thermal conductivity of granite samples. A
low-parameter description of the temperature-pressure behavior of thermal
conductivity is proposed. A correlation is established between its
components.
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