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Table 3 Heat-producing elements, density and radiogenic heat production statistics of the main lithologies in Kuujjuaq

From: Thermophysical properties of surficial rocks: a tool to characterize geothermal resources of remote northern regions

 UGRSUICP-MSThGRSThICP-MSKGRSKICP-MSAGRSAICP-MSρ
(mg kg−1)(mg kg−1)(%)(× 10−6 W m−3)(kg m−3)
Paragneiss (n = 4)n = 8
 Arithmetic mean1.500.933.753.380.501.440.700.642721
 Standard deviation1.270.663.362.920.450.340.590.32118.36
 Median1.300.883.102.820.471.390.620.672711
 Min–max0.40–3.000.25–1.710.60–8.200.79–7.080.04–1.021.11–1.860.15–1.410.30–0.942464–2879
Diorite–gabbro (n = 5)n = 9
 Arithmetic mean0.380.751.946.290.471.620.270.792752
 Standard deviation0.180.501.967.180.790.980.240.64166.58
 Median0.400.751.502.210.121.630.230.632700
 Min–max0.20–0.600.21–1.360.40–5.200.61–16.70.03–1.860.15–2.820.09–0.660.16–1.672571–3108
Tonalite–granite (n = 5)n = 6
 Arithmetic mean1.301.071.826.430.883.320.511.032565
 Standard deviation1.731.021.6411.040.623.150.480.8540.03
 Median0.600.631.500.870.793.140.311.032573
 Min–max0.20–4.300.19–2.610.40–4.600.34–26.000.04–1.740.66–8.470.11–1.290.23–2.392505–2626
  1. A radiogenic heat production, ρ density