· Mining in the Mapungubwe area Africa Wild. Jun 03, 2012Poplap wrote23 August 2010 Vele mine rehab to take place concurrently with mining CoAL Coking coal has got fantastic value and very often hard coking coal goes at double the price of thermal coal, and that's the kind of extra value this brings, CoAL's CEO John Wallington tells Mining Weekly Online in a video interview.