On Friday that US Environmental Protection Agency blocked the issuance of a key permit, for the time being.
Aurora Williams, Chile’s new mining minister, takes office on Tuesday.
"We are not happy," said CEO Mark Cutifani.
Exploration and evaluation expenditure for Q4 2013 totalled $166 million, a decrease of 19%.
Mine proponents have called the EPA's review an attempted 'pre-emptive veto.'
It’d be the first time Chile’s copper output exceeds the 6 million tonnes.
Through a subsidiary, Rio owns 19% of Northern Dynasty, making it the largest single investor.
Northern Dynasty share price gains 12%.
Cutifani said the firm has identified three "buckets" from which it plans to extract about $3.9 billion of extra earnings.
Amplats' main union obtained permission for a legal strike two weeks ago, after exhausting mediation procedures.
Bachelet, who won almost twice as many votes as her closest rival in yesterday's election, is the most certain candidate to win on Dec. 15.
Impala Platinum Holdings Ltd. (Implats) and Anglo American Platinum (Amplats) operations to be affected.
FARC rebels target Colombia's largest coal producer.
Anglo's Collahuasi copper mine more than doubled output to 63,600 tonnes, way above analysts’ expectations.
Strike cost Anglo American Platinum more than 40,000 ounces in lost production, or $100 million in lost revenue.
Says it won't back down until company abandons plans to fire 3,300 workers.
Less than 20% of the company's miners showed up for work today.
Miners' lawyer says his side is 'very happy' with the deal.
After the world's largest platinum producer announced massive lay-offs and plans to scale back annual production by 350,000 ounces.
Northern Dynasty’s share price is cheap, too, according to Thiessen.
It risks fines that range from US$970,000 to $4.9 million, or even the revocation of its environmental permit.
It seems unlikely that Canada's Northern Dynasty could go it alone on the massive copper-gold mine.
Partner in the open-pit gold and copper project, Northern Dynasty Minerals, was quick to clarify it will still go ahead with it.
Agency officials took part last month in an "armed inspection" to several gold mines near the remote town of Chicken, Alaska.
It will dismiss around 3,300 workers and redeploy another 1,600.
Nearly 7,000 South African employees will soon be out of work.
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