Seabridge Gold Inc. March 8 reported an updated resource estimate for the Deep Kerr deposit at its KSM Project in northwestern British Columbia that includes an inferred resource of 1.01 billion metric tons grading 0.53 percent (11.8 billion pounds) copper and 0.35 grams per metric ton (11.3 million ounces) gold, an increase of 3.2 million oz. of gold and 2.1 billion lbs. of copper over last ye...