Randgold and AngloGold Combining to Revive Obuasi

Randgold Resources and AngloGold Ashanti have concluded an investment agreement aimed at the formation of a joint venture to redevelop and operate AngloGold Ashanti’s underground Obuasi gold mine in Ghana. AngloGold Ashanti converted Obuasi to limited operations at the end of 2014, ceasing underground production and retrenching the workforce, but continuing to process tailings and starting a feasibility study on the redevelopment of the mine.

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African Potash Finds Buyers for Lac Dinga Potash Fertilizers

African Potash, which is developing the Lac Dinga potash project in the Republic of Congo, signed three potash fertilizer supply agreements in late August and early September. On August 24 and September 1, respectively, the company reported signing of agreements to supply 50,000 mt/y of fertilizer each to a Zambian fertilizer supply company and a Malawian fertilizer supply company. On September 3, the company reported signing an agreement to supply 150,000 mt/y of fertilizer to a Zimbabwean fertilizer supply company.

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Gryphon Adds CIL Operation to Banfora Heap-leach Planning

Gryphon Minerals has completed an optimization and scoping study that adds a 1-million-mt/y carbon-in-leach (CIL) plant to its previously planned 2-million-mt/y Banfora heap leach project in southwest Burkina Faso. The study’s base case calls for initial development of the heap-leach project for a capital cost of $85 million, followed two years later by a CIL plant at a cost of $45 million, which could be funded with early cash flow from the initial heap leach operation.

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Debottlenecking Will Expand Tiger’s Kipoi Copper Production

Tiger Resources has reported positive results from an engineering and costing study of a planned debottlenecking project at its Kipoi copper SX/EW plant in the Democratic Republic of the Congo. The project is expected to increase the plant’s production of copper cathodes from 25,000 mt/y to 32,500 mt/y and is backed by mine reserves to support the increased operating rate over a period of more than 16 years.

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