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Geologija / Geology

ISSN 1392-110X
ISSN 2029-056X (online)

2005 m. Nr. 1

The structure of technogenous geochemical anomalies in topsoil of Panevėžys metal processing enterprises
Rimantė ZINKUTĖ

The levels and peculiarities of topsoil pollution on the territories of 16 metal processing plants of Panevëþys are discussed using the data on trace element contents determined by DC Arc ES (B, Ga, P, Mn, Ti, V, Cr, Co, Ni, Cu, Zn, Pb, Mo, Ag, Sn, Zr, Y, Sc, Ba) or XRF (Sr, As, U) during geochemical mapping of the town. Both the pollution type and the geochemical structure of the complex pedogeochemical anomalies distinguished according to a partial contamination index of 10 metals (Cu, Zn, Pb, Ag, Sn, Mn, Cr, Ni, Co, Mo) are investigated. The pollution type is analyzed in a generalized way, by distinguishing the maximum pollutants and metal pollution codes, while geochemical structure is revealed through priority pollutants – metals that form wide and contrasting anomalies (usually Cu, Zn, Pb, sometimes Ni, Mo, Cr, Sn, Ag). The spatial pattern of the structure is partly reflected in the areas occupied by aureoles of three associations such as ACu (Cu–Zn–Sn–Ag–Mn), ANi (Ni–Mo–Cr–Co) and APb (Pb), in their arrangement in descending order and the prevailing association. This information can be useful when planning the remediation of areas where contamination exceeds the allowable level or while revealing the polluting elements that can be most hazardous.

Keywords: topsoil, metal processing enterprises, heavy metals, complex anomalies, geochemical structure

Issues:

2011 - Vol.53
No. 1, No. 2, No. 3

2010 - Vol.52
No. 1-4

2009 - Vol.51
No. 1-2, No. 3-4

2008 - Vol.50
No. 1, No. 2, No. 3, No. 4, No. Priedas

2007
No. 1, No. 2, No. 3, No. 4

2006
No. 1, No. 2, No. 3, No. 4

2005
No. 1, No. 2, No. 3, No. 4

2004
No. 1, No. 2, No. 3, No. 4

2003
No. 1, No. 2, No. 3, No. 4

2002
No. 1, No. 2, No. 3, No. 4

2001
No. 1, No. 2, No. 3, No. 4