Federal government, two states sue iron ore giants over devastation from dam burst that washed mud 600km down Brazil's second largest river system.
Company confirms that the Institute for Water Management in Minas Gerais (IGAM) found levels of arsenic, lead and other toxic elements many times higher than the legal maximums along the river.
The UN’s human rights agency also said the companies did not take enough measures to prevent the disaster.
The miner is likely to cut its iron ore output target for the year from 376 million tonnes to 355 mt, says independent investment bank BTG Pactual.
The news came as the price of iron ore continues its month-long retreat, diving to a fresh 10-year low Tuesday to $43.69, according to The Metal Bulletin index.
The ongoing slump in copper prices spells trouble for Chile's mining industry, where most medium-sized producers are already unable to make a profit.
Until early November, the failure at the Canadian Mount Polley copper mine had been the worst such breach in recent years.
Mine waste has oozed 440 kilometres downstream and now covers two states.
The last thing two of the world’s biggest mining companies, BHP Billiton and Vale , need today is speculation that after the disaster at their jointly owned Samarco iron ore mine in Brazil they might also have to close big nickel-mining operations to stem a tide of heavy losses.
The miner has also been extremely hard-hit in recent months by a double whammy of falling prices and China fears.
State prosecutor for the region says the companies were negligent and he has opened an investigation.
Analysts estimate the accident is likely to keep the the Samarco iron ore mine shut until financial 2019, with clean-up costs exceeding US$1 billion.
Images of widespread damage.
BHP Billiton has signed a new native title agreement with the Banjima People in Western Australia.
The country's government is in the midst of reviewing its mining legislation, particularly mandatory divestment rules and contract extensions.
Vale's scorched earth strategy pays off: production on its way to 450 million tonnes at an astonishing cost of just $12.70 a tonne.
Copper output at the world's largest copper mine slips 14% due to declining grades and despite record material mined.
The $3.15 billion project will tap into the world’s largest and highest grade deposit of polyhalite, used as a fertilizer, inside the North York Moors National Park.
The world’s largest producer of iron ore continues to flood the market with the addition of 88.2 million metric tons in the third quarter of the year.
A study commissioned by the Minerals Council of Australia shows the economic benefit from the sector could increase tenfold to $9.5 billion.
The world's No.1 copper miner will keep output targets and won't make major changes to its $25 billion investment plan.
The decline in coal share prices has affected the pensions of millions of bus drivers, librarians, park attendants, school workers, housing officers and care workers, a new study from Platform London shows.
Morgan Stanley sees a "sharp reversal" in commodities with prices rising nearly 20% by 2017 making mining stocks "historically attractive".
Biggest drop in Chinese industrial profits on record spills red ink on mining stock boards – Freeport down 10% in massive volumes.
This year capital and exploration spending at BHP will be $13 billion less than in 2013, leaving the world's largest miner with a single greenfield project.
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