Aris Mining Announces Significant Expansion of Segovia's Gold Reserves and Resources

Aris Mining Boosts High-Grade Segovia Mine Reserves



On January 8, 2026, Aris Mining Corporation revealed promising updates regarding the Segovia mineral reserve and resource estimates, effective from November 28, 2025. This update marks a significant achievement in their ongoing efforts to enhance the mining operations located in Colombia.

The announcement detailed that measured and indicated mineral resources have risen by 7%, now totaling 3.6 million ounces of gold (Moz), compared to the 2024 assessment's 3.4 Moz. Furthermore, inferred resources have progressed impressively, increasing by 12% to reach 2.9 Moz. This trajectory underscores the success of Aris Mining’s exploration initiatives and ongoing resource development at Segovia.

Additionally, proven and probable mineral reserves have seen a 12% increase, now amounting to 1.5 Moz, up from 1.3 Moz in 2024. This rise illustrates the successful conversion of resources into reserves amidst the continuous development of the Segovia mines. The quality of Segovia's mineral inventory remains exceptionally high grade, with the average for measured and indicated resources resting at 15.3 grams per tonne (g/t) of gold and the proven and probable reserves averaging 10.7 g/t.

Neil Woodyer, CEO of Aris Mining, emphasized the importance of these updates, stating, "The updated Segovia reserve and resource estimates underscore the strength and durability of this exceptional high-grade asset." He elaborated that total measured and indicated resources increased by 7%, with net gains reinforcing the mine's long life while supporting escalated production rates stemming from a recent mill expansion.

The mining sector experiences volatility and fluctuations, particularly regarding gold pricing. Aris Mining adopted a gold price of $3,200 per ounce for the mineral resources and $2,800 for the reserves. This calculation faced scrutiny, prompting the company to provide a sensitivity analysis that shows the resource's resilience against price changes, illustrating a stable gold estimate ranging from 3.4 to 3.6 Moz based on varied price points.

Prominent tables shared in the release summarize the metrics relating to the mineral resource estimates and their sensitivity towards gold pricing in a comprehensive manner, shedding light on how resource numbers respond throughout different pricing scenarios.

To contextualize the gains, the company also compared the 2025 estimates against the 2024 figures, demonstrating notable improvements in both reserves and resources. For instance, the total measured and indicated resources underlined a range of mathematics at varying gold prices, evidencing the strong economic backbone supporting Segovia’s operations, characterized by high-grade deposits.

The Segovia operation’s overall development illustrates a balanced approach toward mining advancements, establishing itself as a prolific entity within Aris Mining’s portfolio. The company operates two underground mines in Colombia, aiming for expanded production volumes through ongoing development projects and sustained efforts in exploration.

In terms of operational ambitions, the expansion aims at increasing annual gold production rates beyond 500,000 ounces, driven by the commissioning of a recently expanded mill completed in June 2025. Additionally, ongoing projects such as the Bulk Mining Zone at the Marmato Complex are expected to contribute to this target with first gold anticipated in the latter half of 2026.

In tandem with these advances, Aris Mining maintains a diversified approach towards growth, targeting influential international projects, including the Toroparu and Soto Norte gold projects in Guyana, that showcase financial and environmental viability while adhering to best practices in corporate governance.

This strategic growth plan exhibits Aris Mining’s ambition to lead in the South American gold mining industry through effective management and dedication to exploring high-quality resources, ensuring long-term commercial success and sustainability.

As they forge ahead, continued positive results from ongoing exploration and operational efficiency are vital for bolstering shareholder confidence while capturing value within the shifting landscape of the gold mining sector.

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