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Geothermal Energy

Science – Society – Technology

Fig. 5 | Geothermal Energy

Fig. 5

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

Fig. 5

Examples of typical microstructures in analyzed limestone samples with a and b showing stylolite planes (highlighted by blue dashed lines) in core plugs, c SE2 image of stylolite plane in BIB section, d stylolite plane and interparticle pores in clay, and e and f BIB-SEM images showing the fracture through the stylolite with residual fill of clays, silicates, and dolomite grains containing interparticle and intercrystalline submicron scale porosity, see text for further details

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