Fig. 1From: On the geothermal potential of crustal fault zones: a case study from the Pontgibaud area (French Massif Central, France)Simplified geological map showing the “La Sioule” licence area (black contour) and a brief overview of the major stratigraphic units in the study area. French Massif Central (FMC). Coordinate system: WGS84 Pseudo-Mercator EPSG:3857 (After the 1/50,000th geological map published by BRGM)Back to article page