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Geothermal Energy

Science – Society – Technology

Fig. 2 | Geothermal Energy

Fig. 2

From: Petrophysical properties of the Muschelkalk from the Soultz-sous-Forêts geothermal site (France), an important lithostratigraphic unit for geothermal exploitation in the Upper Rhine Graben

Fig. 2

(this study, see Table 1) or was taken from Aichholzer et al. 2019)

Chronostratigraphic and lithological columns showing the names, thicknesses, and depths (true vertical depth) of the formations within the Muschelkalk and the top of the Buntsandstein for exploration well EPS-1 (Soultz-sous-Forêts). The approximate depths of the sampled core, fifteen depths in total, are indicated by the stars. The number within the star corresponds to the box number from which the sample was taken, and the colour of the star reflects the lithology (see key at the bottom of the figure). The lithology was either determined using the mineral contents determined using X-ray powder diffraction

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