Abstrakt
High-grade rocks in the eastern margin of the Bohemian massif are exposed along the contact between the Moldanubian and Brunovistulian or Moravo-Silesian domains (Fig. 2a). The Brunovistulian domain consists mostly of undeformed Late Proterozoic granitoids that are overlain by Cambrian to Carboniferous sediments with volcanic rocks (e.g., Dudek, 1960; Hartley and Otava, 2001; Kalvoda et al,. 2003).
Variscan deformation caused northeastward thrusting of Moldanubian high-grade rocks over the Brunovistulian domain (Fritz and Neubauer, 1993; Schulmann et al., 1994), which are exposed in three tectonic windows in a 300-km-long and 30- to 50-km-wide belt along the eastern margin of the Bohemian Massif. Metamorphism of the Moravian Zone is tectonically inverted within imbricated orthogneiss-metasedimentary nappes from the kyanite zone in the west to the chlorite zone in the east (Štípská and Schulmann, 1995; Fritz et al., 1996; Štípská et al., 2000).