1. Institute of Earth Sciences, Pole of University of Minho, 4710-057 Braga, Portugal
2. Civil Engineering Department, Universidade Federal de Viçosa, Viçosa 36570-900, MG, Brazil
3. Geosciences Institute, Universidade Federal de Minas Gerais, Belo Horizonte 31270-901, MG, Brazil
4. Lithium Ionic Corp., Nova Lima 34006-065, MG, Brazil