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- A shrinking pipeline of major gold discoveries is placing greater emphasis on established deposits, resource expansion and projects with clearer development pathways.
- S&P Global reports that just nine major gold deposits have reached the 2-million-ounce discovery threshold since 2020, highlighting the growing challenge of replacing future gold supply.
- Lahontan Gold Corp. is advancing its past-producing Santa Fe Mine in Nevada, with an updated preliminary economic assessment outlining an 11-year active mine life and US$820 million post-tax NPV.
The global mining industry faces an increasingly complex challenge: finding and developing enough new deposits to sustain future production. Despite significant investment in exploration and favorable conditions for gold producers, discovering large, economically attractive deposits has become more difficult. As a result, mining companies are looking beyond unexplored territory and toward established assets that offer opportunities for resource expansion, mine-life extensions and renewed production.
A September 2026 analysis from S&P Global Market Intelligence highlighted the growing imbalance between the industry’s appetite for gold and its ability to identify major new deposits. According to the research, only nine deposits discovered since 2020 have reached the 2-million-ounce threshold, containing a combined 38 million ounces of gold. By comparison, major discoveries made between 1990 and 1995 contained approximately 1.3 billion ounces.
The challenge extends beyond discovery itself. S&P Global estimates that the average timeline from discovery to production has grown to approximately 16 years, underscoring the considerable time and investment required to bring new mining projects online. Consequently, exploration and development strategies are increasingly emphasizing known deposits, resource expansion and projects with established geological information.
This shift is also reflected in the strategies of major gold producers. On November 5, AngloGold Ashanti announced plans to invest approximately US$900 million to increase annual production by at least 400,000 ounces by the end of the decade, with much of that growth expected to come from expanding existing operations and leveraging established infrastructure.
Together, these developments highlight an important opportunity within the mining sector: previously productive deposits with additional resource potential can offer another pathway toward strengthening future gold supply.
One company pursuing this opportunity is Lahontan Gold Corp. (TSX.V: LG) (OTCQB: LGCXF), a Dual-listed, Nevada-focused mine development and exploration company advancing its flagship Santa Fe Mine toward a potential return to production.
Located in Nevada’s prolific Walker Lane region, Santa Fe is a past-producing open-pit, heap-leach gold-silver operation that produced approximately 359,202 ounces of gold and 702,067 ounces of silver between 1988 and 1995. The property’s historical production, existing mine infrastructure and substantial mineral resource provide a foundation for Lahontan’s redevelopment strategy.
The company’s progress received a significant boost in October when it announced an updated Preliminary Economic Assessment (“PEA”) for Santa Fe. The study outlined an 11-year active mine life, average annual production of approximately 91,900 gold-equivalent ounces and a projected post-tax net present value of US$820 million at a 5% discount rate, based on assumed gold and silver prices of US$3,600 and US$49 per ounce, respectively.
The assessment also outlined a projected internal rate of return of 40.1% and estimated pre-production capital requirements of US$172 million. These results represent a substantial improvement over the project’s 2024 preliminary economic assessment, reflecting the continued advancement of the asset.
Importantly, the updated study provides a framework for the company’s next development milestones. Lahontan has completed environmental baseline studies and is advancing permitting activities, with the objective of obtaining the necessary federal and state permits to commence construction in 2027.
Beyond the existing resource, the company continues to investigate opportunities to expand the project’s potential. Its exploration activities include evaluating historical heap-leach pads for residual gold and silver mineralization, testing additional mineralized zones and advancing the nearby West Santa Fe satellite project.
In an October 27 corporate update, Lahontan reported completing more than 13,300 meters of drilling across its Santa Fe and West Santa Fe projects during 2026, with additional assay results expected as the programs progress.
As the gold industry works to address the long-term challenge of replacing mineral resources and developing new production, established mining assets with historical production and additional exploration potential are attracting renewed attention. Lahontan’s efforts to advance the Santa Fe Mine reflect this industry opportunity, combining an existing mining operation with an expanded resource base, updated economic assessment and ongoing development work in one of Nevada’s established mining regions.
With its flagship project advancing toward a targeted 2027 construction start, Lahontan Gold is working to position Santa Fe for a new chapter of gold and silver production.
For more information, visit the company’s website at www.LahontanGoldCorp.com.
NOTE TO INVESTORS: The latest news and updates relating to LGCXF are available in the company’s newsroom at ibn.fm/LGCXF
