The Milestone project will be developed as a solution mine. This will be the “newest and most innovative, environmentally friendly and capital efficient new potash mine in Canada,” says Western.
Midas estimates Stibnite would have a mine life of 12 years with life-of-mine total cash costs of $597 per oz. and all-in sustaining costs of US$616 per oz.
The company's proposed production facility at Kwinana, near Perth in Western Australia, would manufacture battery graphite worth $72 million a year for export.