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Fig. 5 | Geothermal Energy

Fig. 5

From: On the geothermal potential of crustal fault zones: a case study from the Pontgibaud area (French Massif Central, France)

Fig. 5

Permeability imposed in the numerical models of the parametric study. The alpha angle corresponds to the dip of the fault zone (here α = 90°). The permeability of the basement and fault will decrease with depth according to Eq. 6 (Garibaldi et al. 2010). Within the fault zone, permeability will also vary laterally (Eq. 7) to match field observations

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