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Fig. 6 | Geothermal Energy

Fig. 6

From: Structure and nature of the Palaeozoic basement based on magnetic, gravimetric and seismic investigations in the central Upper Rhinegraben

Fig. 6

a Aeromagnetic map of the geothermal project (2015): vertical derivative of the upward continuation by 100 m, reduced to the pole. The magnetic sources of the basement being about 1.7 km deeper in the graben (1b), the scale of the anomaly intensities (in nT/m) has been expanded. b Magnetic map at the ground level (Edel et al. 1982): vertical derivative of the upward continuation by 400 m, reduced to the pole. Coordinates: Lat/Long in red, Lambert II extended in blue, UTM zone 32 N in green

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