1Centro de Investigación en Materiales Avanzados (CIMAV), Ave. Miguel de Cervantes 120, Complejo Industrial Chihuahua, C.P. 31109, Chihuahua, Chih., Mexico
2Faculty of Engineering and Surveying, University of Southern Queensland, Toowoomba, Queensland 4350, Australia
3School of Geosciences, University of Sydney, Sydney, NSW 2006, Australia
4Instituto de Geoquímica (INGEOQUI) and Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), San Miguel, Provincia de Buenos Aires, Argentina
5Department of Geography, Geology and Planning, Missouri State University, Springfield, Missouri 65897, USA
6Instituto de Ecología, A.C., Centro de Investigación Sobre Sequía (INECOL-CEISS-RAS), Chihuahua, Chih., Mexico
7Department of Geology, Faculty of Science, Palacký University, 17. Listopadu 12, 771 46 Olomouc, Czech Republic
8OPV (Protection of Groundwater Ltd), Bělohorská 31, 169 00 Praha 6, Czech Republic