7Da Silva E F,Zhang C S,Pinto L S,et al. Hazard assessment on arsenic and lead in soils of Castromil gold mining area, Portugal[J]. Applied Geochemistry, 2004,19(6) : 887-898.
8Ansari A A , Singh I B , Tobschall H J . Importance of gemorpho]ogy and sedimentation processes for metal dispersion in sediments and soils of the Ganga Plain Identification of geochemical domains[J]. Chemical Geology, 2000,162 (3-4) : 245-266.
9Fanfani L , Zuddas P , Chessa A. Heavy metals speciation analysis as a tool for studying mine tailing weathering[J]. Journal of Geochemical Exploration, 2004,58 (2-3) 241-248.
10Panov B S, Dudik A M, Shevchenko O A, et al. On pollution of the biosphere in industrial areas. The example of the donets coal basin[J]. International Journal of Coal Geology, 1999, 40(2-3) : 199-210.
