Lake sediments help scientists trace 7,000 years of mining, metal use in China

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Scientists used core sediments from Chinas Liangzhi Lake to track use of metals over several thousand years. Credit: Courtesy of Xiangdong Li
Scientists used core sediments from China's Liangzhi Lake to track use of metals over several thousand years. Credit: Courtesy of Xiangdong Li

A new geochemical study illuminates 7,000 years of mining and metal use in central China and links these trends to fluctuations in airborne pollution during the Bronze Age and other military and industrial periods in Chinese history. The study, which could help scientists better assess the accumulative environmental effects of human activity in the region since prehistory times, is scheduled for the July 1 issue of the ACS' Environmental Science & Technology.


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