autores Fernández, P. Valente, T. Grande, J.A. Sanchez-Rodas, D. Cerón, J.C. Valente, Teresa Maria Fernandes Grande, J. A. Cerón, J. C. Santisteban, M. Borrego, J. De La Torre, M.L. Fernández, P. Santisteban, M. Borrego, J. Sanchez-Rodas, D.
palavras-chave Acid mine drainage Cluster analysis Enrichment factor Geochemistry Iberian pyrite belt SW Spain