Average thermal properties of soils

From Kersten, with permission

Soil Type

Density,
1000 kg/m3

Specific heat,
kJ/kg·°C

Thermal conductivity,
W/m·°C

Northway fine sand

2.76

0.824

0.83

Northway sand

2.74

0.774

1.47

Northway silt loam

2.70

9.736

1.73

Chena river gravel

2.70

0.811

2.06

Fairbanks silt loam

2.70

0.765

1.67

Graded Ottawa sand

2.65

0.686

1.57

Lowell sand

2.67

0.786

1.78

Crushed quartz

2.65

0.795

2.25

Crushed granite

2.67

0.728

1.07