Southern Copper









Top Ten U.S. miners

Mining in the United States has played a significant role in the country’s development. The Northern Miner presents its annual top-ten list of the largest U.S.-based mining companies ranked by market capitalization,…


Freeport -McMoRan's Morenci copper mine in Arizona in the present day. Credit: Freeport Arizona

World’s top 10 biggest copper mines

Copper, the highly conductive red metal vital to the manufacturing of products essential to the electrification of the world’s energy systems is also used in heating, cooling, electronics, power generation…




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