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Jan 21, 2021 · Jan 21, 2021 · A precious and base metal-rich VMS deposit, the Eskay mineralization has been the focus of considerable exploration activity dating back to the 1930s. When in production, this historic mine was the highest-grade gold mine in the world, having produced 3.3 million ounces of gold and 160 million ounces of silver at average grades of 45 g/t Au and