Fig. S1. Early Andean tectonomagmatic stages in north Patagonia: insights from field and geochemical data EchaurrenAndrés OliverosVerónica FolgueraAndrés IbarraFederico CreixellChristian LucassenFriedrich 2017 Fig. S1. Petrographic thin-sections of the Lago la Plata Formation from samples (a): BG-01, (b): BG-02, (c): BG-03 and (d): CLC-01. See samples location in Table 1.