1. Geological Survey of Austria, Neulinggasse 38, 1030 Vienna, Austria
2. Department of Applied Geosciences and Geophysics, Montanuniversität Leoben, Peter-Tunnerstraße 5, 8700 Leoben, Austria
3. Department of Lithospheric Research, Geocenter, University of Vienna, Althanstraße 14, 1090 Vienna, Austria
4. Institut für Mineralogie und Kristallographie, Geocenter, University of Vienna, Althanstraße 14, 1090 Vienna, Austria