The Sognefjell volcanic-subvolcanic complex – A late Sveconorwegian arc imbricated in the central Norwegian Caledonides

The Sognefjell volcanic-subvolcanic complex is a composite unit underlying the Jotun Nappe Complex in the southern Norwegian Caledonides. The identity and origin of the complex have been highly debated in past decades, one interpretation considering the rocks to be highly deformed orthogneisses of the Jotun Nappe Complex and the other extreme considering them to be partly of volcanic origin and defining a Caledonian suture. In this study some...