Memorias de investigación
Ponencias en congresos:
Dispersion of metals and arsenic from the tailings of an abandoned mine in Sierra of Madrid
Año:2016
Áreas de investigación
  • Calidad de medio ambiente,
  • Contaminación
Datos
Descripción
The extraction and processing of minerals produce significant environmental impacts that last long after mining operations have ended. Abandoned mines provide obvious sources of contamination by metals and arsenic in surrounding areas. These areas typically support sparse vegetation, so weather events, typical of Mediterranean environments such as heavy rains, can drag metals and metalloids, in a more or less available form for vegetation, as in solution and suspension to accumulate in lower lands. In this study, the area affected by a copper mine, abandoned early last century in the Sierra de Madrid, was sampled. Soil properties such as pH, EC, total OM and texture were analyzed. Furthermore, the BCR (Bureau Community of Reference) fractionation of metals was carried out in order to evaluate the weathering of the starting materials and the selective movement of different fractions along the slope . Metals and arsenic were detected beyond the mine limits, in areas where water flows in a preferential way. Results showed high concentrations and readily extractable Cu and As, which may suggest potential bioavailability for organisms and may create an environmental risk and potential human exposure what results in a health risk for the population.
Internacional
Si
Nombre congreso
VII Congresso Ibérico das Ciências do Solo (CICS 2016)
Tipo de participación
970
Lugar del congreso
Beja (Portugal)
Revisores
No
ISBN o ISSN
978-989-99665-0-5
DOI
Fecha inicio congreso
13/09/2016
Fecha fin congreso
15/09/2016
Desde la página
415
Hasta la página
418
Título de las actas
Livro de Atas: Solo e Água: Fontes de vida e desenvolvimento
Esta actividad pertenece a memorias de investigación
Participantes
Grupos de investigación, Departamentos, Centros e Institutos de I+D+i relacionados
  • Creador: Departamento: Producción Agraria