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As part of ongoing environmental investigations of U mining impacts, forty-two sediment samples of a nearly-half-meter-long sediment core retrieved from a natural reservoir near an active uranium (U) mining site, South China were analyzed to quantify the extent of U release and identify U release mechanism within the riverine catchment. Enrichment levels of U was dispersed not only in the surface...
Thallium is a trace metal with a toxicity greater than that of Pb, Cd and Hg. This study complements the authors’ previous research, with main focus on contamination by Tl and accompanying metals (Pb, Zn, Cd, and Cu) in sediments from an area historically affected by Pb-Zn smelting in Shaoguan city (northern Guangdong Province, South China). In order to provide complex data on the geochemistry of...
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