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Fig. 1 | Geothermal Energy

Fig. 1

From: Heat flow density estimates in the Upper Rhine Graben using laboratory measurements of thermal conductivity on sedimentary rocks

Fig. 1

(modified after Aichholzer et al. (2016))

Map of the Upper Rhine Graben showing the sampling sites and the existing and prospective geothermal projects. Numbered stars refer to sampling locations, given in Figs. 2 and 3. The color of the stars indicates the lithostratigraphic unit. More than one lithostratigraphic unit was sampled in locations 17, 21 and 26

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