Fig. 1

Maps showing location and geology of the Totalp area. a Location of the Totalp area in the tectonic map of the Alps (from Schmid et al. 2004; modified by Mohn et al. 2010). b Location of Totalp as a part of the South Penninic units in Grisons (Manatschal et al. 2003). c Geological map of Totalp (modified from Picazo et al. 2013) showing location of the analysed samples as well as the distribution of the major lithologies and samples described in this study (for description of samples see Table 1)