%0 Journal Article %A García Lorenzo, María de la Luz %A Pérez Sirvent, Carmen %A Martínez Sánchez, María José %A Molina Ruiz, José %A Tudela Serrano, María Luz %T Spatial distribution and sources of trace elements in sediments affected by old mining activities %D 2012 %@ 0167-6369 %U https://hdl.handle.net/20.500.14352/43336 %X The distribution of trace elements throughout mining areas is an important issue because abandoned tailings could be a major source of environmental pollution. In order to analyze the spatial variation of trace elements in a zone where mining activities took place and to identify pollution sources in the study area, a three-step study was carried out at a regional, at a local, and a detailed scale. In addition, a conceptual model of trace elements dispersion was established and confirmed by a geographic information system. The results obtained allowed to establish points affected by primary, secondary, and tertiary contamination, according to their proximity to contamination sources and as a function of attenuation processes which could take place in the studied area. %~