Mexican President pressures Canadian miner over union dispute

The main union at Chile's Caserones mine has rejected operator Lumina Copper's final contract offer and workers have approved strike action.

The Canadian precious metals miner logged a $10.6-million net loss for the first half of the year following a $49-million investment in its Gold Bar, Black Fox and Los Azules projects during the period.

Silverstream valuation had an adverse effect on profit before income tax, which came down 16.6% to $323 million.

The unexplored areas that have significant potential output of copper, gold, phosphate and other minerals.

Union members have until Wednesday to finish voting on the company's proposal.

The alternate route approved last year by Nebraska regulators is expected to have minor to moderate effects on three of the eight environmental categories the U.S. State Department assessed.

Workers have downed tools and blocked access to the mine in protest of the "unjustified layoff" of two colleagues.

The vote began on Saturday and will continue through the middle of next week.

They are demanding hazard pay for subcontractors.