Geochemistry, risk assessment, and Pb isotopic evidence for sources of heavy metals in stream sediments around the Ulukisla Basin, Nigde, southern Turkey

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dc.authoridSunkari, Emmanuel Daanoba/0000-0002-0898-2286
dc.authoridLERMI, ABDURRAHMAN/0000-0003-4117-689X
dc.contributor.authorLermi, Abdurrahman
dc.contributor.authorSunkari, Emmanuel Daanoba
dc.date.accessioned2024-11-07T13:24:24Z
dc.date.available2024-11-07T13:24:24Z
dc.date.issued2020
dc.departmentNiğde Ömer Halisdemir Üniversitesi
dc.description.abstractConcentrations of selected elements (Al, Fe, Mn, Mo, As, Cd, Cu, Cr, Ni, Co, Pb, Sb, and Zn) and Pb isotope ratios were determined in 53 sediments from Alihoca, Gumus, Horoz, and calut streams around the south-central Taurides (Ululusla Basin), Nigde, which is a known mining province in Turkey. Several pollution and risk assessment indices were used to assess possible heavy metal pollution in the stream sediments and the associated potential ecological risks. Concentrations of As, Cd, Cu, Cr, Ni, Co, Pb, Sb, and Zn were elevated in the streams located near ancient mines, active mines, and slag piles in the area, suggesting an influence from mining activities. The pollution assessment indices indicated that the sediments were significantly polluted by As, Cd, Sb, Zn, and Pb and moderately polluted by Cu, Ni, Cr, and Co. The sediments show very high potential ecological risk with As, Cd, Sb, and Pb as the principal contributors. Ni, Cr, As, Pb, Zn, and Cd exceeded the probable effect concentrations in most of the samples implying that their concentrations may frequently affect sediment-dwelling organisms. Multivariate statistical analyses indicate that the accumulation of heavy metals in the stream sediments is due to an interplay of anthropogenic activities (mining and agrochemical application) and geogenic processes (weathering of bedrocks and supergene alteration of base metal-rich mineralization). Pb isotopic tracing indicates that total Pb in the sediments (Pb-206/Pb-207 = 1.09-1.29) is primarily from weathering and dissolution of ultrapotassic rocks (Pb-206/Pb-207 up to 1.20) and galena (Pb-206/Pb-207 up to 1.21) from the Pb-Zn-Au deposits in the area with some anthropogenic input from mine slag piles (Pb-206/Pb-207 = 1.10).
dc.description.sponsorshipScientific Research Projects office of Nigde Omer Halisdemir University; Scientific and Technological Research Council of Turkey (TUBITAK)
dc.description.sponsorshipThis research was financially supported in part by the Scientific Research Projects office of Nigde Omer Halisdemir University (Project no. FEB 2011/10). Emmanuel Daanoba Sunkari acknowledges the continuous support from the Scientific and Technological Research Council of Turkey (TUBITAK) as a doctoral fellow of BIDED 2215 Graduate Scholarship Program for International Students. The editor and the 3 anonymous reviewers are also greatly appreciated for the good reviews that improved the quality of this paper.
dc.identifier.doi10.3906/yer-2001-9
dc.identifier.endpage1188
dc.identifier.issn1300-0985
dc.identifier.issue7
dc.identifier.scopus2-s2.0-85091691247
dc.identifier.scopusqualityQ2
dc.identifier.startpage1167
dc.identifier.urihttps://doi.org/10.3906/yer-2001-9
dc.identifier.urihttps://hdl.handle.net/11480/14092
dc.identifier.volume29
dc.identifier.wosWOS:000591723600007
dc.identifier.wosqualityQ4
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherTubitak Scientific & Technological Research Council Turkey
dc.relation.ispartofTurkish Journal of Earth Sciences
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/openAccess
dc.snmzKA_20241106
dc.subjectHeavy metals
dc.subjectstream sediments
dc.subjectrisk assessment
dc.subjectPb isotopic tracing
dc.subjectUlukisla Basin
dc.subjectsouthern Turkey
dc.titleGeochemistry, risk assessment, and Pb isotopic evidence for sources of heavy metals in stream sediments around the Ulukisla Basin, Nigde, southern Turkey
dc.typeArticle

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