Rio Tinto swung into a huge loss after writing down the value of its gigantic West Africa iron ore project, but that doesn't mean it's being abandoned.
The move could have driven away investors at a time of historically low commodity prices and energy shortages that are driving down output in the country.
AngloGold Ashanti asked Ghana to redeploy troops at its Obuasi mine after an employee died in an attack by hundreds of illegal miners on the facility last week.