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Geothermal Energy

Science – Society – Technology

Fig. 8 | Geothermal Energy

Fig. 8

From: Petrophysical characterization, BIB-SEM imaging, and permeability models of tight carbonates from the Upper Jurassic (Malm ß), SE Germany

Fig. 8

Porosity diagrams. a Archimedes (ΦAr), BIB-SEM (ΦBIB-SEM), GD (ΦGd), and MICP porosities (ΦHg) vs. He porosities (ΦHe) derived from vertical section sampling including error bars (standard deviation) if available and method-specific contour lines in the background for better visibility. b Comparison of porosity distributions determined by different methods, including error bars (standard deviation) and number of measurements. c ΦHe, ΦAr, and ΦHg porosity evolution with varying distances from the fault (red dashed line). See Fig. 2B for sample positions in c

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