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Vale’s Gongo Soco mine dam has up to 15% chance of bursting - Official

Mining News - Published on Wed, 22 May 2019

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Reuters cited, the state’s environment secretary Mr Germano Vieira, as saying that Brazilian miner Vale’s tailings dam in the town of Barao de Cocais in Minas Gerais has up to a 15% chance of breaking. Mr Vieira said that “A dam burst could be triggered by slippage in the embankment at the Gongo Soco mine. The breach of the embankment is going to happen. What we don’t know is whether that breach will affect the dam.”

He then cited an estimate from an independent auditing firm that the chance of a dam burst was “one in ten, or one in eight, leading to a 10-15% probability” of collapse.

Vale said that the dam was at risk of rupturing. The warnings about another possible dam collapse have underlined concern about the stability of Vale’s tailings dams in general after the world’s largest iron ore miner suffered two deadly accidents in a little over three years.

The dam at Vale’s Gongo Soco mine is about 40 miles (64 km)from Brumadinho, where a tailings dam collapse unleashed a torrent of toxic mud in late January, killing more than 240 people.

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Posted By : Rabi Wangkhem on Wed, 22 May 2019
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