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首页> 美国政府科技报告 >Analytical Results for Bullion Mine and Crystal Mine Waste Samples and BedSediments from a Small Tributary to Jack Creek and from Uncle Sam Gulch, Boulder River Watershed, Montana
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Analytical Results for Bullion Mine and Crystal Mine Waste Samples and BedSediments from a Small Tributary to Jack Creek and from Uncle Sam Gulch, Boulder River Watershed, Montana

机译：从小支流到杰克克里克和来自蒙大拿州博尔德河流域的山姆大峡谷的金矿和水晶矿废物样品和床沉积物的分析结果

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摘要

Metal-mining related wastes in the Boulder River basin study area in northernJefferson County, Montana affect water quality as a result of acid-generation and toxic-metal solubilization. Mine waste and tailings in the unnamed tributary to Jack Creek draining the Bullion mine area and in Uncle Sam Gulch below the Crystal mine are contributors to water quality degradation of Basin Creek and Cataract Creek, Montana. Basin Creek and Cataract Creek are two of three tributaries to the Boulder River in the study area. The bed sediment geochemistry in these two creeks has also been affected by the acidic drainage from these two mines. Geochemical analysis of 42 tailings cores and eleven bed-sediment samples was undertaken to determine the concentrations of Ag, As, Cd, Cu, Pb, and Zn present in these materials. These elements are environmentally significant, in that they can be toxic to fish and/or the invertebrate organisms in the aquatic food chain.

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