https://www.mining-technology.com/news/sandfire-first-concentrate-motheo-copper/
May 26, 2023 - Sandfire Resources has produced the first copper concentrate at the Motheo copper mine in Botswana's Kalahari Copper Belt.
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https://www.argusmedia.com/de/news-and-insights/market-insight-papers/copper-concentrate-index-china-market-2025
Argus launches copper concentrate index as China copper smelting outpaces mine supply, reshaping copper pricing and refining dynamics in 2025.
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