Thermal conductivity is a fundamental physical property that largely controls the range of temperatures experienced at the surface and in the shallow subsurface of a planet. In granular material, heat is transported through grain-to-grain contacts, conduction through the pore-filling gas, and radiation between individual grains. In martian soil, the first two contributions dominate the transport, and grain-to-grain contacts are particularly enhanced if grains are cemented or indurated (Piqueux & Christensen, 2009b;Presley et al., 2009). Conversely, the contribution of heat transport through the gas phase can inform us about the state of soil cementation or induration. Here, the term cementation refers to the deposition of crystalline material and the formation of bridges between grains. In contrast, cohesion is related to an increase in shear strength caused by electrostatic forces. In the following, we will refer to low cohesion granular material as unconsolidated.