Business
Excelsior Mining Announces Johnson Camp Stage 1 Drilling with Nuton, a Rio Tinto Venture
Phoenix, Arizona--(Newsfile Corp. - August 16, 2023) - Excelsior Mining Corp. (TSX: MIN) (FSE: 3...
About this update from Gunnison Copper Corp.
[{"type":"text","content":"Excelsior Mining Announces Johnson Camp Stage 1 Drilling with Nuton, a Rio Tinto VenturePhoenix, Arizona--(Newsfile Corp. - August 16, 2023) - Excelsior Mining Corp. (TSX: MIN) (FSE: 3XS) (OTCQB: EXMGF) (\"Excelsior\" or the \"Company\") is pleased to announce that it has commenced drilling at Johnson Camp with Nuton LLC (\"Nuton\"), a Rio Tinto venture, to further evaluate the use of its Nuton™ copper heap leaching technologies at Excelsior's Johnson Camp mine in Cochise County, Arizona. The program consists of drilling 6,000 feet of PQ core for the purposes of further metallurgical evaluation. Once completed the samples will be processed for mineralogy and tested using the Nuton™ process. Results are expected late Q3, 2023. The program is being funded by Nuton and carried out in connection with the previously announced Option Agreement.\"Excelsior is now aggressively moving the Johnson Camp mine forward with the next stages of the work program with Nuton. The sulfide potential at JCM is significant and we are pleased to be working with Nuton to realize that potential. In parallel we continue to progress Gunnison towards well stimulation trials later this year,\" comments Robert Winton, Senior Vice President & General Manager of Operations of Excelsior.Rio Tinto has developed the Nuton™ Technologies, an extensive portfolio of advanced copper heap leaching technologies targeted at primary sulfide minerals (including lower grade mineral deposits), which could not otherwise be processed using traditional leaching or sulfide processing technologies. These technologies offer the potential to produce additional copper in a cost-effective manner that has significant environmental benefits and reduces waste from new and ongoing operations.ABOUT NUTONNuton is an innovative new venture that aims to help grow Rio Tinto's copper business. At the core of Nuton is a portfolio of proprietary copper leach related technologies and capability – a product of almost 30 years of research and development. The Nuton technologies offer the potential to economically unlock known low-grade copper sulfide resources, copper bearing waste and tailings, and achieve higher copper recoveries on oxide and transitional material, allowing for a significantly increased copper production outcome. One of the key differentiators of Nu...