The largest copper mine in the United States as of 2023 was the Morenci Mine, located in Greenlee, Arizona. The Morenci Mine, owned by Freeport-McMoRan, produced an estimated ** metric tons of copper that year. The Kennecott Copper Project in Utah, owned by Rio Tinto, came in a distant second, having produced an estimated ** metric tons of copper in 2023.
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Mining Technology. (June 18, 2024). Leading copper mines in the United States in 2023, based on production (in 1,000 metric tons) [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 27, 2026, from /statistics/254905/copper-production-of-the-us/
Mining Technology. "Leading copper mines in the United States in 2023, based on production (in 1,000 metric tons)." Chart. June 18, 2024. ÌÇÐÄÆƽâ°æ. Accessed July 27, 2026. /statistics/254905/copper-production-of-the-us/
Mining Technology. (2024). Leading copper mines in the United States in 2023, based on production (in 1,000 metric tons). ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 27, 2026. /statistics/254905/copper-production-of-the-us/
Mining Technology. "Leading Copper Mines in The United States in 2023, Based on Production (in 1,000 Metric Tons)." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 18 Jun 2024, /statistics/254905/copper-production-of-the-us/
Mining Technology, Leading copper mines in the United States in 2023, based on production (in 1,000 metric tons) ÌÇÐÄÆƽâ°æ, /statistics/254905/copper-production-of-the-us/ (last visited July 27, 2026)
Leading copper mines in the United States in 2023, based on production (in 1,000 metric tons) [Graph], Mining Technology, June 18, 2024. [Online]. Available: /statistics/254905/copper-production-of-the-us/
