Characterization of Soil Contamination in Miduk Mining District, SW Iran

In this study, 30 soil samples were collected from 0-5 cm and 15-20 cm depths in the vicinity of the Miduk Porphyry Copper Mine in Kerman Province, southeast Iran. The samples were analyzed for total concentrations of eight potentially toxic elements. The bioavailability of trace elements is determi...

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Bibliographic Details
Published in:Soil & sediment contamination 2014-01, Vol.23 (6), p.614-627
Main Authors: Moore, Farid, Dehghani, Sharareh, Keshavarzi, Behnam
Format: Article
Language:English
Subjects:
Chromium
Copper
Environmental testing
Lead (metal)
Miduk mine
Mining
Mining industry
Molybdenum
Nickel
sequential extraction
soil
Soil (material)
Soil contamination
Trace elements
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Summary:In this study, 30 soil samples were collected from 0-5 cm and 15-20 cm depths in the vicinity of the Miduk Porphyry Copper Mine in Kerman Province, southeast Iran. The samples were analyzed for total concentrations of eight potentially toxic elements. The bioavailability of trace elements is determined using sequential extraction analysis. Average concentrations of As, Cd, Cr, Cu, Mo, Ni, Pb, and Zn in soil samples are 26.9, 0.49, 56.31, 201.18, 1.77, 45.6, 83.87, and 191.94 mg kg −1 , respectively. Also, to assess the bioaccumulation of the analyzed elements, the roots and the leaves of three plant species were sampled and analyzed. The mobility of the analyzed trace elements shows the following decreasing order: Cd > Mo > Ni > Zn > Cu > Cr >Pb> As. The distribution pattern of elements indicates that elemental concentration in Miduk soils is highly influenced by bedrock composition, while soil pollution is mostly affected by ancient mining.
ISSN:1532-0383
1549-7887
DOI:10.1080/15320383.2014.856856