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

Geothermal Energy

Science – Society – Technology

Table 1 Whole-rock geochemistry of the samples collected in Kuujjuaq

ID	Major elements (%)								Trace elements (mg kg⁻¹)
ID	SiO₂	TiO₂	Al₂O₃	Fe₂O₃	MgO	CaO	Na₂O	K₂O	U	Th
Metamorphic/metasedimentary
P1	69.4	0.41	15.1	4.27	1.75	2.93	4.07	1.46	1.71	4.34
P2	63.7	0.64	17.0	4.65	1.68	3.57	5.15	1.90	0.25	0.79
P3	58.9	0.57	14.1	6.71	7.50	6.56	1.94	2.24	0.55	1.30
P4	61.6	0.62	13.4	5.12	1.99	1.91	3.14	3.51	1.83	18.04
P5	42.8	1.62	13.0	17.50	11.70	0.95	0.17	7.65	1.56	1.71
P6	79.6	0.26	10.3	5.16	1.46	1.59	2.21	1.34	1.20	7.08
P7	67.3	0.95	13.7	7.57	2.40	1.69	2.28	3.07	1.82	15.10
P8	63.5	0.93	14.8	8.59	3.37	3.17	2.70	2.34	2.55	5.34
Igneous
Mafic
D1	64.8	0.94	14.3	9.30	2.37	2.67	2.91	2.50	1.13	16.70
D2	57.6	0.44	16.0	6.88	4.96	5.83	3.76	1.96	0.21	0.61
D3	71.3	0.77	12.3	5.80	1.50	2.43	2.54	1.71	1.36	10.90
D4	47.4	0.43	6.5	12.80	19.50	7.84	0.90	0.12	0.33	1.06
D5	60.2	1.15	16.5	10.40	1.53	4.70	4.35	2.17	0.71	1.22
G1	48.5	1.44	15.4	14.40	7.40	8.58	1.71	1.42	0.35	0.27
G2	94.0	0.04	2.2	0.91	0.69	0.82	0.44	0.18	0.32	1.01
G3	47.1	1.04	12.5	11.80	10.00	11.30	1.31	0.11	0.06	0.24
G4	73.0	0.03	14.0	0.51	0.12	1.35	3.76	3.40	0.75	2.21
Felsic
T1	63.6	0.31	14.2	1.87	0.69	2.94	4.71	1.03	0.33	0.83
T2	73.9	0.11	14.7	0.71	0.44	1.46	4.08	3.78	0.19	0.34
T3	74.9	0.02	15.0	0.59	0.07	1.51	5.47	2.15	2.04	1.72
T4	75.0	0.03	12.9	0.43	0.08	1.14	3.78	4.21	1.57	4.09
Gr1	73.2	0.02	14.8	0.20	0.02	0.09	2.20	10.2	0.63	0.87
Gr2	78.8	0.01	13.5	0.72	0.04	1.33	5.76	0.80	2.61	26.0
Gr3	70.0	0.02	12.6	0.18	0.03	0.96	3.32	5.07	14.80	25.0