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Table 1 Densities, magnetic susceptibilities and thermal properties (specific heat capacity, thermal conductivity and radiogenic heat production) of the layers within the Moss area used during the 2D density, magnetic and thermal modelling (k r is the thermal conductivity at room temperature)
Layer of the 2D structural model | Density ρ (kg/m3) | Magnetic susceptibility χm(SI) | Thermal conductivity scale value kr(W/mK) | Specific heat capacity Cp(J/kgK) | Radiogenic heat production S (μW/m3) |
|---|---|---|---|---|---|
Gabbro | 2950 | 0.03-0.09 | 2.90 | 780 | 0.4 |
Pyroxenite | 3100 | 0.07 | 4.00 | 780 | 0.4 |
Amphibolite and metagabbro | 2850-3050 | 0.001-0.06 | 2.90 | 790 | 1.2 |
Granitic to quartzdioritic gneiss | 2654-2683 | 0.00003-0.0095 | 3.00 | 800 | 4.4 |
Granitic augen gneiss | 2640-2695 | 0.0001-0.01 | 3.05 | 800 | 2.7 |
Mica gneiss | 2645-2670 | 0.0007-0.008 | 3.05 | 800 | 2.1 |
Upper/middle crystalline crust | 2740 | 0.001 | 3.10 | 930 | 1.6 |
Lower/middle crystalline crust | 2830 | 0.001 | 3.20 | 1050 | 0.7 |
High-density crust | 2940 | 0.003 | 3.10 | 1050 | 0.3 |
High-density lower crustal layer | 3056 | 0.006 | 2.85 | 1100 | 0.25 |
Lithospheric upper mantle | 3222 | - | 4.79 | 1200 | 0.03 |