Figure 1. Geological sketch map of the Kaczawa Mountains (a) showing major lithological subdivisions, tectonic units and location of the study area and sampling sites (c). Inset map (b) shows the location of the area in the Bohemian Massif; EFZ – Elbe Fault Zone; ISF–Intra-Sudetic Fault; MGH – Mid-German Crystalline High; MO – Moldanubian Zone; MS – Moravo-Silesian Zone; NP – Northern Phyllite Zone; OFZ – Odra Fault Zone; RH – Rhenohercynian Zone; SX – Saxothuringian Zone. The Radzimowice Slates outcrop (c) based on Zimmermann (1932) and Baranowski (1988).