PolyMet appeals air permit decision on controversial Minnesota mine

The mine is expected to produce 120,000 tons of copper a year during its 20 years of mine life.

“This is a serious incident that should not have happened."

Another mining company has run up against the Tsilhqot’in First Nation, whose aboriginal title to land in its traditional territory were recognized by the Supreme Court of Canada.

"The cause of the breach is unknown at this time. The dam is an independently engineered structure that operated within design limits and specifications. Monitoring instruments and onsite personnel had no indication of an impending breach."

A mess.

Water ban.

Exports for the year could reach 756,000 tonnes after US company agrees to build smelter and sell a stake in subsidiary to locals.

Karl Simich, Managing Director, Sandfire Resources, says the copper space comprises of large mines that are difficult to take over whereas the gold mining sector has smaller assets that are ripe for picking.

The European Investment Bank will not make public the findings of a 2-year tax-avoidance investigation into the Swiss giant's Zambian copper operation.