River Valley Palladium Mine Project Moves To Next Phase Of
Apr 12, 2021 SGS Canada and D.E.N.M. Engineering will do the mineral processing and metallurgical test work, including examining recoveries of platinum, gold, copper, nickel, rhodium and cobalt. Rhodium is the rarest of all the platinum group metals. Used mostly in automobile catalytic converters, the price of the metal is in excess of US$25,000 an ounce.