Fig. 10From: Assessment of deep geothermal research and development in the Upper Rhine GrabenMap of the Variscan basement outcrops around the URG (adapted from BGR 2016) including the location of deep boreholes that intersect the top basement. BBF  Baden-Baden Zone, BLZ  Badenweiler-Lenzkirch Zone, LLF  Lalaye-Lubine Fault Zone, MGCH  Mid-German Crystalline High, MNZ  Moldanubian Zone, NPZ  Northern Phyllite Zone, RHZ  Rhenohercynian Zone, STZ  Saxothuringian ZoneBack to article page