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Volume 13
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10.3390/min13121513
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Article

Search for the Substantiation of Reasonable Native Elemental Background Values and Reference Variables in Topsoil on Glaciogenic and Postglacial Deposits in a Vilnius Peri-Urban Area

by
Žilvinas Stankevičius
1,*,
Rimantė Zinkutė
2,*,
Sergej Suzdalev
3,
Laura Gedminienė
2,
Ieva Baužienė
2 and
Ričardas Taraškevičius
2
1
Department of Geology and Mineralogy, Faculty of Chemistry and Geosciences, Vilnius University, M. K. Čiurlionio 21/27, 03101 Vilnius, Lithuania
2
Nature Research Centre, Akademijos 2, 08412 Vilnius, Lithuania
3
Marine Research Institute, Klaipėda University, Universiteto 17, 92294 Klaipėda, Lithuania
*
Authors to whom correspondence should be addressed.
Minerals 2023, 13(12), 1513; https://doi.org/10.3390/min13121513
Submission received: 15 September 2023 / Revised: 20 November 2023 / Accepted: 25 November 2023 / Published: 1 December 2023
(This article belongs to the Special Issue Distribution and Detection of Toxic Elements in Soil and Sediments)
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Abstract

Geochemical indices used to identify the emerging anomalies of potentially harmful elements in topsoil depend on background values (BVs). For urban sites, it is reasonable to estimate native BVs through the targeted selection of peri-urban sampling sites or by distinguishing a useful background subset (BS) within the peri-urban dataset. Here, the goals were to examine the influence of Quaternary deposits on various types of topsoil variables, identify the variables most helpful for cluster analysis intended for the choice of background subset (BS), and compare background values (BVs) based on different background subsets. Composite topsoil samples from a peri-urban area were used for the determination of the following variables: contents of 26 elements and components of the bulk mineralogical composition, as well as the sand, silt, and clay fractions and loss-on-ignition (LOI) at 550 °C and at 950 °C. Although Quaternary lithology influences topsoil elemental contents or granulometric fractions, percentages of illite, kaolinite, orthoclase, quartz, albite, dolomite, and LOI at 550 °C, the choice of BS, according to it, is not recommended, as BVs based on topsoil texture are superior. However, cluster analysis using topsoil fractions < 2, <63, and >63 μm or the contents of Al, Fe, K, Ti, Ga, Nb, Rb, and Si are preferable. It is recommended to use these reference variables for the selection of BS.
Keywords: potentially harmful elements; reference variables; peri-urban topsoil; background subset potentially harmful elements; reference variables; peri-urban topsoil; background subset

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MDPI and ACS Style

Stankevičius, Ž.; Zinkutė, R.; Suzdalev, S.; Gedminienė, L.; Baužienė, I.; Taraškevičius, R. Search for the Substantiation of Reasonable Native Elemental Background Values and Reference Variables in Topsoil on Glaciogenic and Postglacial Deposits in a Vilnius Peri-Urban Area. Minerals 2023, 13, 1513. https://doi.org/10.3390/min13121513

AMA Style

Stankevičius Ž, Zinkutė R, Suzdalev S, Gedminienė L, Baužienė I, Taraškevičius R. Search for the Substantiation of Reasonable Native Elemental Background Values and Reference Variables in Topsoil on Glaciogenic and Postglacial Deposits in a Vilnius Peri-Urban Area. Minerals. 2023; 13(12):1513. https://doi.org/10.3390/min13121513

Chicago/Turabian Style

Stankevičius, Žilvinas, Rimantė Zinkutė, Sergej Suzdalev, Laura Gedminienė, Ieva Baužienė, and Ričardas Taraškevičius. 2023. "Search for the Substantiation of Reasonable Native Elemental Background Values and Reference Variables in Topsoil on Glaciogenic and Postglacial Deposits in a Vilnius Peri-Urban Area" Minerals 13, no. 12: 1513. https://doi.org/10.3390/min13121513

APA Style

Stankevičius, Ž., Zinkutė, R., Suzdalev, S., Gedminienė, L., Baužienė, I., & Taraškevičius, R. (2023). Search for the Substantiation of Reasonable Native Elemental Background Values and Reference Variables in Topsoil on Glaciogenic and Postglacial Deposits in a Vilnius Peri-Urban Area. Minerals, 13(12), 1513. https://doi.org/10.3390/min13121513

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