Rio Tinto stock advances $144 million Resolution Copper phase
Published on 11/06/2026 at 17:57 | Editorial responsibility: Rafael Müller, Editor-in-Chief AD HOC NEWSArizona copper project moves forward
- Rio Tinto approved a 144 million US-dollar investment for the next Resolution Copper development phase.
- The company will fund feasibility studies, engineering, drilling, equipment purchases and water-treatment facilities.
- Resolution Copper is operated by a joint venture in which Rio Tinto holds 55 percent and BHP 45 percent.
Rio Tinto approved a 144 million US-dollar investment on Thursday, November 5, to advance the next development phase of its Resolution Copper project in Arizona. The company said the program will support feasibility studies, final design engineering, exploration drilling and the purchase of underground and electrical equipment.
The announcement adds a new Arizona growth project to the recent focus on operational risks at Oyu Tolgoi. Rio Tinto's share of the Resolution Copper investment is 79 million US dollars, while the project is operated through a joint venture with BHP.
What has changed since our last report
The new commitment follows the completion of a land exchange in March 2026 and comes on top of approximately 500 million US dollars of preliminary spending announced at that time. The latest program covers material-handling equipment for both shafts, new water-treatment facilities, ongoing exploration drilling and long-lead electrical equipment.
Rio Tinto said the project is expected to create approximately 50 additional roles across mining, geotechnical and geological disciplines, engineering and project services. The deposit lies between 5,000 and 7,000 feet underground near Superior, Arizona. Rio Tinto says Resolution Copper could supply up to 25 percent of US copper demand for decades, but the investment is a development step rather than a final mine-construction decision.
Rio Tinto stock traded at 75.43 euros on Lang & Schwarz at 17:47:46 CET on Friday, November 6, 2026.
Real-time quote of Rio Tinto stock is available for investors tracking the London-listed miner.
Rio Tinto company facts
- Company: Rio Tinto plc
- ISIN: GB0007188757
- Lang & Schwarz quote: 75.43 euros at 17:47:46 CET on November 6, 2026
- Resolution Copper ownership: Rio Tinto 55 percent, BHP 45 percent
- New investment: 144 million US dollars, including Rio Tinto's 79 million US-dollar share
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