E3S Web of Conferences
Volume 1, 2013Proceedings of the 16th International Conference on Heavy Metals in the Environment
|Number of page(s)||3|
|Section||Heavy Metals in Sediments II: Hg in Sediments|
|Published online||23 April 2013|
Mercury in Some Lakes of Gold Mining Area of the Southern Ural
Vernadsky Institute of Geochemistry and Analytical Chemistry of the Russian Academy of Science, 19 Kosygin St., Moscow 119991, RUSSIA
The mercury content in bottom sediments of Kalkan Lake, of the Uchala district, the Southern Ural. It was assumed that high concentrations of mercury in fish due to pollution of bottom sediments as a result of amalgamation at developing of gold placers. Detailed study of distribution of different elements in sediments show close association Hg with the chalcophylic elements, whose anomalies do not have technogenic nature. Association of mercury with the elements-companions of gold placers is evidence of basic contribution of natural mercury to its anomalous accumulation in sediments and fish. This is result of steady long-term natural mercury pollution.
Key words: mercury pollution / gold mining / fish / bottom sediment
© Owned by the authors, published by EDP Sciences, 2013
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