Affiliation: | 1.Institute of Geosciences - University of S?o Paulo (IGc-USP), Rua do Lago, 562 Cidade Universitária, S?o Paulo, SP, 05508-080, Brazil ;2.School of Sciences and Engineering - S?o Paulo State University (FCE-UNESP), Rua Domingos da Costa Lopes, 780 Jd. Itaipu, Tup?, SP, 17602-496, Brazil ; |