The company is mired in disputes with the governments of Tanzania and the Democratic Republic of Congo over law changes that raise taxes in the countries.
Mugabe to face legislators over his previous pronouncements that the state had been deprived of at least $15 billion in diamond revenue by mining companies.
Once the deal closes, Shell's only involvement in Canada's oil sands will be through its 10% stake in the Athabasca Oil Sands Project, majority owned by CNR and Chevron.
Nevsun, who declined the offer for the fourth time, said the proposal undervalued its Timok copper-gold project in Serbia and that junior Euro Sun was “not an attractive partner”.
Congo's state miner Gecamines is seeking to dissolve Kamoto Copper Company (KCC), blaming Glencore for high debts that have weighed on the mine for more than 10 years.