Tracing Copper Migration in the Tongling Area through Copper Isotope Values in Soils and Waters
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MDPICitation
Su J, Mathur R, Brumm G, D’Amico P, Godfrey L, Ruiz J, Song S. Tracing Copper Migration in the Tongling Area through Copper Isotope Values in Soils and Waters. International Journal of Environmental Research and Public Health. 2018; 15(12):2661.Rights
© 2018 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license.Collection Information
This item from the UA Faculty Publications collection is made available by the University of Arizona with support from the University of Arizona Libraries. If you have questions, please contact us at repository@u.library.arizona.edu.Abstract
Copper mining in Tongling has occurred since the Bronze Age, and this area is known as one of the first historic places where copper has been, and is currently, extracted. Multiple studies have demonstrated, through concentrated work on soils and waters, the impact of mining in the area. Here we present copper isotope values of 13 ore samples, three tailing samples, 20 water samples (surface and groundwater), and 94 soil samples (15 different profiles ranging in depth from 0-2 m) from proximal to distal (up to 10 km) locations radiating from a tailings dam and tailings pile. Oxidation of the copper sulfide minerals results in isotopically heavier oxidized copper. Thus, copper sourced from sulfide minerals has been used to trace copper in mining and environmental applications. At Tongling, higher copper isotope values (greater than 1 per mil, which are interpreted to be derived from copper sulfide weathering) are found both in waters and the upper portions of soils (5-100 cm) within 1 km of the source tailings. At greater than 1 km, the soils do not possess heavier copper isotope values; however, the stream water samples that have low copper concentrations have heavier values up to 6.5 km from the source. The data suggest that copper derived from the mining activities remains relatively proximal in the soils but can be traced in the waters at greater distances.Note
Open access journal.ISSN
1660-4601PubMed ID
30486379Version
Final published versionSponsors
China Geological Survey Projects: 1:50,000 scale environmental geological survey of Anqing-Ma'an'shan section of Economic Belt along Yangtze River in Anhui Province [DD20160247]; National Natural Science Fund of China: Characteristics of biomarkers in Antarctic Lake sediment and Its Response to the ancient environment [41206187]Additional Links
https://www.mdpi.com/1660-4601/15/12/2661ae974a485f413a2113503eed53cd6c53
10.3390/ijerph15122661
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Except where otherwise noted, this item's license is described as © 2018 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license.
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