The reason they're not using the refineries in Ghana isn't because they're more expensive or have strict environmental laws. It's significantly cheaper to refine locally as 1 ton of ore yields 2-10 grams of gold. We're talking millions of tons of ore vs tons of bullion.
Mine where the resources are, refine where is cheaper and have the laxes environmental laws
The reason they're not using the refineries in Ghana isn't because they're more expensive or have strict environmental laws. It's significantly cheaper to refine locally as 1 ton of ore yields 2-10 grams of gold. We're talking millions of tons of ore vs tons of bullion.