This week in mining, Sandfire Resources updated its consolidated resource and reserve estimate for the Motheo Copper Project in Botswana, incorporating the T3, A4 and A1 deposits.

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Sibanye-Stillwater welcomed Dr Lindiwe Mthimunye as an independent non-executive director.

In Zambia, Gemfields revealed “Imboo”, an 11,685 ct emerald — the largest exceptional stone ever recovered from its Kagem mine — now headlining the company’s August–September emerald auction.

Global major Rio Tinto also unveiled a new operating model and executive team to steer its next chapter.

Also Watch: This week in mining: Key developments in 60 seconds

For more insights on the African mining landscape, go to: Mining Review Africa