Procesos de transporte de arsénico y metales en aguas superficiales del distrito minero de Taxco, México: Aplicación de isótopos estables
2014; Universidad Autónoma Metropolitana; Volume: 24; Issue: 3 Linguagem: Inglês
ISSN
2448-7333
AutoresAzucena Dótor Almazán, M. A. Armienta, Flor Elisa Del Rosario Arcega Cabrera, Óscar Talavera Mendoza,
Tópico(s)Water Quality and Pollution Assessment
ResumoWater isotopic ratios 18 O/ 16 O, 2 H/H and 34 S/ 32 S in dissolved sulfates were measured to determine sulfur provenance and dominant processes of transport, and, distribution of As and metals in surface waters in the mining district of Taxco. Zinc, Cd, Cu, Fe, Pb and As were analyzed in river and stream waters located nearby mine tailings. δ 18 O and δD values (dry season) showed a lower slope (δD = 3.998 * δ 18 O − 29.02) than the Global Meteoric Water Line (GMWL, δD = 8 * δ 18 O + 10) indicating an evaporation process. In the rainy season, the slope (δD = 6.109 * δ 18 O − 9.69) approximates to
Referência(s)