1. Faculty of Sciences of Gabes, Research Unit of Geosystems. Georessources and Geo Environments, Gabes, Tunisia
2. Laboratory of Geosciences. Mineral Resources. Energy and the Environment. Department of Geology. Faculty of Sciences of Tunis, University of Tunis El Manar, Tunis, Tunisia
3. Higher Institute of Fine Arts, University of Sousse, Station Square, 4000 Sousse, Tunisia
4. Department of chemistry, Technical University of Munich, Munich, Germany