The pre-Variscan sequence of the Carnic Alps (Italy-Austria)

The pre-Variscan sequence of the Carnic Alps is exposed across the state border between north-east Italy and Austria. It includes Middle Ordovician to Lower Pennsylvanian rocks that, although affected by both Variscan and Alpine orogeny, preserve continuous and non-metamorphosed successions. Depositional settings vary from shallow water to open marine environments. Remarkable is the presence of the largest Devonian reefs of Europe, and related...