Normellur paleolake sections. A) condensed rhyolitic deposits to the North, topped by the orange, brown paleo-andosol (MIS 5c)l. B) view of the depression with the eroded formation, paleosols and rhyolites. C-D-E) main section with, at the base, the Grim tephra remolded by a jökulhlaup: (C). D and E: fluvioglacial deposits largely enriched in rhyolitic pumices of the Kvíar lower Series.