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Geothermal Energy

Science – Society – Technology

Fig. 1 | Geothermal Energy

Fig. 1

From: Microstructural and petrophysical properties of the Permo-Triassic sandstones (Buntsandstein) from the Soultz-sous-Forêts geothermal site (France)

Fig. 1

a Map of France showing the location of the Bas-Rhin (Lower Rhine) department of Alsace (in red). b Stratigraphic column showing the units within the Buntsandstein from exploration well EPS-1 at Soultz-sous-Forêts (Alsace, France). The granite basement is encountered at a depth of 1417 m. Depths are measured depths. c Map of the Bas-Rhin (Lower Rhine) department of Alsace (shown in red in a) showing the location of the major cities/towns (green circles), the geothermal sites of Soultz-sous-Forêts and Rittershoffen (green circles), the wells EPS-1, GPK-1-4, and GRT-1-2 (blue circles), and the locations and names of the quarries (red circles)

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