Borealis Mining Company Limited engages in the acquisition and exploration of mineral properties in the United States. It explores for gold and silver deposits. The company holds a 100% interest in the Borealis project that includes 751 unpatented mining claims covering an area of approximately 15,020 acres and one unpatented mill site claim covering an area of 5 acres located in western Nevada. Borealis Mining Company Limited is headquartered in Toronto, Canada.