“We have high value rare elements totalling $123/t in our gypsum stacks and multiply that by 38-million tonnes and that can give you an idea of the value of these stacks,” Rainbow Rare Earths CEO George Bennett has told Flagstaff TV. The dumps – built up from half a century of hard rock phosphate mining near Phalaborwa, in Limpopo – contain rare earths needed by a fast greening world.
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