The Canadian junior recently started a six-week drilling program at its Macmillan Pass Project located 200 kilometres northeast of the town of Ross River in Yukon
Rodrigo Duterte said ban should remain in place given the environmental damage it causes, but noted he would give companies time to find alternative mining methods.
“The decision was driven by unsustainable cash outflows at the mine due to the concentrate ban and the operating environment,” company officials said in a statement.