Environmental Geochemistry of Soils and Waters of Susaki Area, Korinthos, Greece |
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Authors: | A Kelepertsis D Alexakis I Kita |
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Institution: | (1) Department of Geology, Section of Economic Geology and Geochemistry, University of AthensAthensGreece, Panepistimiopolis Ano Ilisia, 157 84, Greece;(2) Research Institute of Materials, Akita University, Japan |
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Abstract: | Soil and water samples were collected from the Susaki area of Korinthos and analysed for heavy metals in order to evaluate their environmental impact. The geology of the studied area includes ultrabasic rocks and Neogene and Quaternary deposits whereas magnesite veins are found within the ultrabasic rocks. In the north part of the studied area post volcanic emissions of H2S, CO2 and H2O vapor continue to the present day. All the samples were analysed for heavy metals by the ICP method. The element ranges (in g g–1) for soil samples are: Cu 11–63, Pb 5–256, Zn 21–604, Ni 183–2665, Co 12–124, Mn 456–1434, As 5–104, Sr 44–730, V 21–84, Cr 163–2346, Ba 48–218, Zr 3–41, Y 3–13. The metals Pb, Zn, Ni, Co, Cr, Fe, Cu, Mn, As and Sr are enriched in the Susaki soils. The element ranges for water samples are: Cu 65–103ppb, Pb<10ppb, Zn<5ppb, Ni 21–163ppb, Co 2–12ppb, As<30ppb, Cr<20ppb, Ba 36–785ppb, Sb<10ppb, W<10ppb, Bi<30ppb, Mn 0.0–0.9 g g–1, Fe 0.01–0.22 g g–1, Na 843–3076 g g–1, K 98–278 g g–1, Si 39–65 g g–1, P 0.1–0.2 g g–1. There is a natural pollution of soils with elevated concentrations of Ni, Co, Mn, Fe and Cr due to the presence of ultrabasic rocks. Another natural case of As pollution of soils is due to the volcanic activity and the geothermal field in the area. The geochemical data of ground waters and also the 18, D data showed a mixing in different proportions between sea water and meteoric water. |
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Keywords: | environmental geochemistry factor analysis groundwater greece isotopic analysis soil susaki |
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