Geothermal lithium is probably the greenest lithium in the world, says Sibanye-Stillwater CEO Neal Froneman, who told this year’s DigiMine event at his University of the Witwatersrand (Wits) alma mater that his company is looking to potentially extracting geothermal lithium. “It comes from quite deep in the earth’s crust and we are seriously looking at companies that have the technologies in that space where they are running geothermal plants and they are actually putting the lithium back underground.
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