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Geothermal Energy

Science – Society – Technology

Fig. 7 | Geothermal Energy

Fig. 7

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

Fig. 7

Typical BIB-SEM pore size and porosity distributions of quantitatively investigated samples. a Cumulative porosity versus equivalent circular pore diameter for sample C9-1H. The dashed lines are below the practical pore resolution (PPR) and the color legend corresponds to the pixel sizes related to the 2500×, 5000×, 10,000×, 20,000×, and 40,000× magnifications used. b Porosity vs equivalent circular pore diameter for the example of sample C9-1H at different magnifications distinguished by color

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