Fig. 1

Tectonic map of the eastern Central Alps (simplified from Montrasio et al. 2005, with boundaries extrapolated across unexposed areas). Star eclogite locality. A-G Adula Nappe including Gruf mass, Av Avers Bundnerschiefer, B-D Bellinzona-Dascio Zone, Ca Campo and Languard nappes, Ch Chiavenna Ophiolite, E-B Err-Bernina nappe complex, EL Engadine Line, Gr Grosina Nappe, IL Insubric Line, M-F Malenco-Forno Unit, Ma Margna Nappe, Pl Platta Nappe, Se Sella Nappe, Su Suretta Nappe, Ta Tambo Nappe, To Tonale Series