Fig. 3From: Assessment of deep geothermal research and development in the Upper Rhine GrabenPlate tectonic evolution of the lithosphere in the Upper Rhine Graben region from the Upper Silurian until Upper Carboniferous (adapted from Franke (2000) and Zeh and Gerdes (2010)). MGCH  Mid-German Crystalline High, NPZ  Northern Phyllite Zone, RHZ Rhenohercynian Zone, STZ  Saxothuringian ZoneBack to article page