1. Aiuppa A, Allard P, D’Alessandro W, Michel A, Parello F, Treuil M, Valenza M (2000) Mobility and fluxes of major, minor and trace metals during basalt weathering and groundwater transport at Mt. Etna volcano (Sicily). Geochim Cosmochim Acta 64:1827–1841
2. Almeida C, Romariz C, Silva MO (1984) Hidroquímica da Ilha da Madeira. Recur Hídricos 5:33–42
3. Appelo CAJ, Postma D (2007) Geochemistry, groundwater and pollution. Balkema, Rotterdam
4. Berner EK, Berner RA (1996) The global environment: water, air and geochemical cycles. Prentice-Hall, Upper Saddle River
5. Brum da Silveira A, Madeira J, Ramalho R, Fonseca P, Prada S (2010) Notícia explicativa da carta geológica da ilha da Madeira. Secretaria Regional do Ambiente e Recursos Naturais, Madeira