Rescue efforts are continuing since the flood on April 16, but there has been no communication with the missing miners and it is not known whether any survived.
There has been no communication with the miners since they were trapped more than 1,640 ft below ground during a flood at Trevali's Perkoa zinc mine on April 16.
Increased prices for fossil fuels have shifted the conversation, potentially benefitting oil and gas projects in Africa as importers scramble to diversify supply chains away from Russia.