Influencia del material geológico y detección de anomalías en el contenido de metales pesados en horizontes superficiales de suelos de la Provincia de A Coruña
- Macias, F. 1
- Veiga Vila, A. 1
- Calvo de Anta, R. 1
- 1 Universidad de Santiago
ISSN: 0213-4497
Ano de publicación: 1993
Número: 18
Páxinas: 317-323
Tipo: Artigo
Outras publicacións en: Cadernos do Laboratorio Xeolóxico de Laxe: Revista de xeoloxía galega e do hercínico peninsular
Resumo
The total contents of Cr, Ni, Cu, Zn, Pb, Co and Mn in superficial horizons of soils that are developed on different geological materials of La Coruña region (Spain), reveal the importance of the lithologic factor with respect to the contribution of anthropic origin. The soils on ultramafic and mafic rocks show contents of Cr, Ni and Cu that are many times higher than threshold considered phytotoxic by different authors. These are followed by the schists, rich in biotite, while the lowest average values are obtained on granites and slates. The obtained results allow a first approach about the "attitude" of the cultivable soils as receptore of waste sludge.