Excelsior Mining announces option agreement with Rio Tinto’s Nuton leaching venture
Posted by Paul Moore on Aug 2, 2023 Excelsior Mining Corporation has entered into an option agreement with Newton LLC, a Rio Tinto venture, to further evaluate the use of Newton Leaching Technology at Excelsior’s Johnson Camp Mine in Cochise County, Arizona. Under this agreement, Excelsior will continue to be the operator and […]