The Escondida mine in Chile, operated by the Anglo-Austrian multinational mining company BHP, has the worlds largest proven and probable reserves of copper as of 2020, with over ** million metric tons. Escondida is also the world's largest copper mine based on annual production output.
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Mining.com. (May 14, 2021). Leading copper mines worldwide in 2020, by reserve volume (in 1,000 metric tons) [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 21, 2026, from /statistics/1255564/leading-copper-mines-based-on-reserve-volume/
Mining.com. "Leading copper mines worldwide in 2020, by reserve volume (in 1,000 metric tons) ." Chart. May 14, 2021. ÌÇÐÄÆƽâ°æ. Accessed July 21, 2026. /statistics/1255564/leading-copper-mines-based-on-reserve-volume/
Mining.com. (2021). Leading copper mines worldwide in 2020, by reserve volume (in 1,000 metric tons) . ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 21, 2026. /statistics/1255564/leading-copper-mines-based-on-reserve-volume/
Mining.com. "Leading Copper Mines Worldwide in 2020, by Reserve Volume (in 1,000 Metric Tons) ." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 14 May 2021, /statistics/1255564/leading-copper-mines-based-on-reserve-volume/
Mining.com, Leading copper mines worldwide in 2020, by reserve volume (in 1,000 metric tons) ÌÇÐÄÆƽâ°æ, /statistics/1255564/leading-copper-mines-based-on-reserve-volume/ (last visited July 21, 2026)
Leading copper mines worldwide in 2020, by reserve volume (in 1,000 metric tons) [Graph], Mining.com, May 14, 2021. [Online]. Available: /statistics/1255564/leading-copper-mines-based-on-reserve-volume/
