Vale Verde completes Serrote copper mine build

The 36-month contract was approved by 75 per cent of the union.

"I think direct impact on steel is quite marginal because the United States is not such a big steel producer," said Arnoud Balhuizen.

A lack of returns to governments is drawing a backlash from Mali in the Sahara to Tanzania on the Indian Ocean.

The German luxury vehicle maker said mass production of EVs is not viable until 2020 when its proprietary electric drive technology is expected to be profitable enough.

Anti-government sentiment is set to further escalate in the run-up to the legislative election in September, and mining firms are likely to experience even more disruption as many blame them for the state’s failure to contribute to their wellbeing.

The company's Dumont cobalt and nickel project in Quebec is the world’s largest undeveloped reserve of both metals, with over 1 billion tonnes of reserves and a 33-year mine life.

The Toronto-based company, which operates the Lumwana mine, hasn’t received any notifications from the tax authority.

Harvard researchers combined cyanide and copper in an airtight quartz container and their findings are impressive.

While Nelson Pizarro could well stay on as Codelco's chief executive officer, the government is putting together a shortlist of candidates.