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Few details available. A tailings pond at a tin mine operated by Yunnan Tin Group collapsed. 368M m 3 surged. One source reports 171 killed and another 92 injured; another has the date as 26 September. [23] [24] Mina Plakalnitsa 1 May 1966 Vratsa, Bulgaria 480+ A tailings dam at Plakalnitsa copper mine near the city of Vratsa failed.
Number 4A in the Harmony Gold Mine tailings complex failed. The dam was designed in the early 1970s by the mine's metallurgical manager and a representative from the tailings dam contractor. [1] The town of Merriespruit, a 250-house suburb of the Goldfields town of Virginia, was already established when the No. 4 dam was started in 1978. The ...
Mine tailings are usually produced from the mill in slurry form, which is a mixture of fine mineral particles and water. [2] Tailings are likely to be dangerous sources of toxic chemicals such as heavy metals, sulfides, and radioactive content. These chemicals are especially dangerous when stored in water in ponds behind tailings dams.
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Gold mine tailings near Krugersdorp, South Africa. Tailings stratification is the layering of tailings due to the distribution in particle size as well as the difference in specific density . The compactness of the sandy to silty tailings [ 13 ] influences the permeability, which will influence the drainage ability of the tailings and thus the ...
Drift mining is either the mining of an ore deposit by underground methods, or the working of coal seams accessed by adits driven into the surface outcrop of the coal bed. [1] A drift mine is an underground mine in which the entry or access is above water level and generally on the slope of a hill, driven horizontally into the ore seam. [2]
The Brushy Fork Coal Impoundment, also known as the Brushy Fork Coal Sludge Dam, is a large tailings dam on the Brushy Fork near Marfork in western Raleigh County of West Virginia, United States. It is located 18 mi (29 km) northwest of Beckley, the seat of Raleigh County.
Colorado authorities have identified the person that died in a former gold mine that is now a tourist attraction.. Patrick Weier, a Mollie Kathleen Gold Mine tour guide, died after being trapped ...