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Fig. 8 | Geothermal Energy

Fig. 8

From: Predictability of properties of a fractured geothermal reservoir: the opportunities and limitations of an outcrop analogue study

Fig. 8

Half-circular diagrams showing the relation between fracture strike and apertures or thickness of fill, respectively. a Cleebourg, (a1–a4) fracture data from the Cleebourg outcrop with adjusted scale for improved readability and b Leistadt. Apertures from the eastern outcrops of Kammerforster and Riesenstein are not available. Rose diagrams scaled for mean aperture in 10° bins. The bold red lines show the direction of the regional maximum horizontal compressive stress (NW–SE to NNW–SSE; Heidbach et al. 2008)

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