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Upstream tailings use dried mine waste to build the structure’s walls. They are the kind of tailings that failed in 2015 and 2019.
The dry-stack method consists of submitting all waste generated after ore processing to a filtering and drying process, after which it is placed in filtered tailings stacks.
AngloGold will be the first large gold producer in the country to have eliminated all upstream tailings at its assets in Minas Gerais and Goiás states by the end of the year.
The company produces around 510,000 ounces of gold in Brazil from two mining complexes, which account for 15% of its total global production.
This article was published by: Cecilia Jamasmie
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