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By Harvey Wood

Failures and Minewater: sturdy perform and Prevention attracts jointly the entire significant minewater catastrophes that experience happened during the last part century. It examines incidents to discover important and optimistic details of serious worth that may hinder destiny mess ups. functional adventure presents many classes in recognize of the factors of minewater incidents the place loss of adhesion to strong perform is especially to Read more...


failures and Minewater: stable perform and Prevention attracts jointly the entire significant minewater catastrophes that experience happened over the past part century. It examines incidents to discover beneficial and Read more...

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Example text

2 tailings dam of the Padcal copper workings failed. The volume reported as being lost to the environment was 80 million cubic metres of acidic, high metals and other contaminants, mine waste. The results of this spill are unreported. 5 Sipalay 1982 This copper mine suffered a dam failure in 1982 due to the clay soil matrix of the foundation slipping: a spring developing beneath the dam due to heavy rainfall gave momentum to the base movement. 5 metres thick. Pacific 37 There were no fatalities reported but much of the land that was inundated was agricultural and was taken out of production due to the contamination levels.

The spill, much of which was made up of the dam’s materials, deposited a contaminated layer of 30,000 cubic metres of tailings waste. One person was killed by the acid flood and several kilometres of river were contaminated. The reason for the event was that an earthquake had liquefied part of the dam structure and it slumped with the volume of waste it was retaining. 2 Hokkaido 1968 The mine at Hokkaido suffered an earthquake in 1968 that liquefied the site’s tailings dam voiding 90,000 cubic metres of tailings slurry.

The most successful operations in this sphere were carried out in the old Soviet Union period. Two of these schemes still operational today are Angren in Uzbekistan and Yuzhno in Russia. In the UK a seam was set alight in Derbyshire, during the 1950s. The problem that developed was to put the conflagration out; which was eventually managed by open casting the site to physically remove the coal from around the burning seam. This project was located at El Tremedal, a remote rural location near Alcaniz.

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