Fig. 1

Tectonic map of the Eastern Alps and Tauern Window with the Western Tauern Dome (WTD) and Eastern Tauern Dome (ETD). Map modified from Schmid et al., (2004, 2013); inset map of the Alps modified from Handy et al. (2015). Black rectangle outlines the study area and location of the tectonic map in Fig. 2. Pink star denotes the location of the metagabbro sample dated by Gleißner et al. (2021). AD Adamello Pluton, EW Engadine Window, BF Brenner Fault, KF Katschberg Fault