Mercury pollution from artisanal mercury mining in Tongren, Guizhou, China
作者： Ping Li , Xinbin Feng , Lihai Shang , Guangle Qiu , Bo Meng
DOI: 10.1016/J.APGEOCHEM.2008.04.020
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摘要: Abstract Concentrations of total Hg (T-Hg) were measured in mine waste, stream water, soil and moss samples collected from the Tongren area, Guizhou, China to identify potential contamination local environments, which has resulted artisanal mining. Mine waste contained high T-Hg concentrations, ranging 1.8 900 mg/kg. High concentrations also found leachates confirming that contains significant water-soluble compounds. Total distribution patterns profiles showed top is contaminated with Hg, been derived atmospheric deposition. Data suggest organic matter plays an important role binding transport soil. Elevated (5.9–44 mg/kg) deposition dominant source terrestrial ecosystems. highly elevated water samples, varying 92 2300 ng/L. Particulate constituted a large proportion played major transport. Methyl–Hg (Me–Hg) was as 7.9 ng/L. indicate dominantly mining study but extent dependent on history scale
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