Government ban on the export of gold and copper concentrates

Read an article today about “Golden Handcuffs” in the Economist.  Apparently this ban on exporting gold & copper concentrates went into effect back in March. It is a serious stand-off that is certain to affect the supply and demand of gold in the US.

https://www.economist.com/news/business/21723427-row-raises-concerns-mining-firms-across-africa-tanzanias-firebrand-leader-takes-its