McEwen Files Technical Reports for Ontario and Nevada Gold Projects, Highlighting Strong Economics
July 23rd, 2026 1:12 PM
By: Newsworthy Staff
McEwen Inc. filed NI 43-101 technical reports for its Grey Fox, Lookout Mountain, and Windfall gold projects, confirming robust mine life and resource estimates that support future development.

McEwen Inc. (NYSE: MUX) (TSX: MUX) has taken a significant step in advancing its gold projects by filing NI 43-101 technical reports on SEDAR+ for its Grey Fox Project in Ontario and the Lookout Mountain and Windfall deposits in Nevada. These filings, announced via press release, provide detailed support for previously released prefeasibility and mineral resource estimates, underscoring the company's commitment to transparency and regulatory compliance.
The technical report for the Grey Fox Project outlines a 15-year mine life with probable mineral reserves totaling 980,300 contained gold ounces. The project's post-tax net present value is estimated at $282 million using a gold price of $3,000 per ounce, increasing to $841 million at $4,500 per ounce. These figures highlight the project's sensitivity to gold prices and its potential to generate substantial value in a favorable commodity environment. The report is available through the company's SEDAR+ filings.
For the Lookout Mountain and Windfall deposits in Nevada, the technical report confirms combined indicated mineral resources of 629,800 gold ounces and inferred resources of 262,000 gold ounces. Notably, most of these contained ounces occur in oxide mineralization, which is considered potentially amenable to heap-leach processing—a cost-effective extraction method. This characteristic could enhance the economic viability of these deposits and accelerate development timelines.
The filing of these reports is crucial for McEwen as it provides investors and stakeholders with verified data to assess the company's asset base. The Grey Fox Project alone, with its long mine life and strong economics, could become a cornerstone asset for McEwen's gold production portfolio. Meanwhile, the Nevada deposits add near-term growth potential, especially if heap-leach processing proves feasible.
McEwen's broader strategy includes a diversified mix of gold, silver, and copper assets across the Americas. The company holds a 46.3% interest in McEwen Copper, which owns the advanced-stage Los Azules copper project in Argentina. That project is designed to be carbon neutral by 2038 and has an implied value of $456 million based on recent financing. Additionally, McEwen recently acquired a 27.3% stake in Paragon Advanced Labs Inc., a company deploying PhotonAssay technology, which could revolutionize precious metals assaying.
Chairman Rob McEwen, who has invested over $250 million personally and takes a $1 annual salary, aligns his interests with shareholders. His track record includes building Goldcorp Inc. and implementing a dividend policy, which he aims to replicate at McEwen. The technical reports filed for the Ontario and Nevada projects represent tangible progress toward that goal, providing a clearer picture of the company's growth trajectory.
The full press release detailing these filings can be accessed at https://ibn.fm/cmmP2. For more information about McEwen, visit the company's newsroom at https://ibn.fm/MUX.
Source Statement
This news article relied primarily on a press release disributed by InvestorBrandNetwork (IBN). You can read the source press release here,
