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Kirkland Lake's Macassa gold mine in Canada is the richest gold mine in the world (based on most recent estimation of gold grade in reserves) The grade or concentration of a mineral or metal in ore directly affects costs associated with mining as well as its subsequent beneficiation and extraction of precious components.
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Gold mining is a global business, with hundreds of mining companies digging for the precious metal in dozens of countries. But where exactly are the largest gold mines in the world? The 10 world largest gold mines are located across nine different countries in North America, Oceania, Africa, and Asia.
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North American countries Canada, the U.S., and Mexico round out the top six gold producers, collectively making up 16% of the global total. The state of Nevada alone accounted for 72% of U.S. production, hosting the world's largest gold mining complex (including six mines) owned by Nevada Gold Mines.. Meanwhile, South Africa …
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