1. Department of Crystallography, Mineralogy and Agricultural Chemistry, University of Seville, Seville, Spain
2. Department of Earth Sciences, University of Huelva, Huelva, Spain
3. Centro de Investigación en Patrimonio Histórico, Cultural y Natural (CIPHCN), Facultad de Humanidades, Universidad de Huelva, Huelva, Spain
4. Institut für Geowissenschaften, Eberhardt Karls Universität, Tübingen, Germany
5. Archaeological Service, Municipality of Valencina de la Concepción, Seville, Spain