1. Department of Geology, Salzburg University, Hellbrunnerstrasse 34, A-5020 Salzburg, Austria
2. Department of Mineralogy, Universalmuseum Joanneum, Weinzöttlstrasse 16, A-8045 Graz, Austria
3. Mass Spectrometry Laboratory, Institute of Physics, Maria Curie-Skłodowska University, Plac Marii Curie-Skłodowskiej 1, 20-031 Lublin, Poland
4. Laboratoire de Géologie de Lyon, CNRS UMR 5276, Université Claude Bernard Lyon 1, France
5. Institut Universitaire de France, 103 Boulevard Saint-Michel, 75005 Paris, France