The Oldest Rock of Austria - Discovered AT the University of Salzburg

It has long been known that very old rocks exist in the Bohemian Massif, which stretches into northern Austria with the Daube carving out its lower boundary. The working group, led by Professor Fritz Finger from the Department of Chemistry and Physics of Materials at the University of Salzburg, has been researching these ancient crystalline rocks for many years. They have now succeeded in identifying the oldest rock ever found in Austria in the Waldviertel. The success is a result of the master's theses by Martin Lindner (Department of Chemistry and Physics of Materials) and Daniel Reither (Department of Geography and Geology). The spectacular age of the so-called Hauergraben Gneiss - around 1.4 billion years - could be determined with the help of U-Pb dating on zircon crystals. This analysis was carried out in collaboration with Dr. Wolfgang Dörr from the Goethe University Frankfurt and Prof. Christoph Hauzenberger from the University of Graz. South American origin?.