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This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License
Article
Author(s)
S. I. Shtel’makh
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DOI:10.17265/2328-2193/2018.05.003
Affiliation(s)
Institute of the Earth’s Crust, SB RAS, 128 Lermontov St., Irkutsk 664033, Russia
ABSTRACT
The article considers the some geochemical characteristic
of the loesslike and bottom sediments of the area Novo-Razvodnoy
of the Irkutsk’s reservoir.
Main objectives of this research are
to determine contents of trace elements (V, Cr, Co, Ni,
Cu, Zn, Ga, Pb, As, Rb, Sr, Y, Zr, Nb, Ba, La, Ce, Nd) and major elements (CaO,
TiO2, MnO, Fe2O3(total)) in the
investigated samples by X-ray
fluorescence analysis method (XRF), to establish the trace elements distribution dynamics on the lateral profile
of the area Novo-Razvodnoy, to reveal
the pollution degree of the studied sediments and to calculate the specific geochemical
coefficients Rb/Sr and Ca/Sr in the studied
sediments. As a result of the studies, it is established that the dried part of the coastal shallows experiences the higher
technogenic load in comparison with other considered zones of the lateral
profile. This fact was confirmed by the maximum content of As (12 mg kg-1) exceeding by 6 times
the established value of
the maximum permissible concentrations in soils (MPC) and the maximum calculated values of pollution
load index (PLI) and geoaccumulation index (Igeo) for arsenic.
KEYWORDS
Technogenesis, XRF analysis, trace elements distribution dynamics, pollution.
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