Why B2Gold’s underground push at Fekola could change West Africa’s gold map

B2Gold gets Mali approval to begin underground mining at Fekola—find out how this expands gold production and strengthens long-term output.

B2Gold Corp. (TSX: BTO; NYSE American: BTG) has received formal approval from the Government of Mali to begin underground mining operations at the Fekola Mine, marking a pivotal inflection point in the Canadian gold producer’s long-term West African growth strategy. The announcement follows a series of high-level discussions between B2Gold’s senior executives and top Malian officials, including the Prime Minister, the Minister of Finance, and the Minister of Mines.

The regulatory greenlight enables B2Gold to immediately commence stope ore production at the Fekola underground zone. In parallel, the company also confirmed progress on the regulatory pathway for the exploitation permit covering Fekola Regional—a key development expected to shape B2Gold’s mine life and production trajectory well into the 2030s.

How will the newly approved underground mining operations at Fekola impact B2Gold’s short- and long-term production profile?

B2Gold has already completed over 9,300 meters of underground development work at the Fekola Mine, including installation of key infrastructure and ore stockpiling in anticipation of this approval. Following the permit issued on July 30, 2025, the company commenced stope ore extraction, with processing underway at the existing Fekola mill. For the calendar year, underground operations are expected to contribute between 25,000 and 35,000 ounces of gold production.

The Fekola Complex, which includes the main open pits (Fekola and Cardinal), underground zones, and the adjacent Fekola Regional area, remains the cornerstone of B2Gold’s asset base in Africa. The current development underscores the company’s intent to transition into a diversified underground and open-pit operator, improving production flexibility while reducing open-pit dependency.

Analysts view the underground activation as a de-risking measure that smoothens the mine’s output curve and eases operational bottlenecks linked to waste stripping in open pits. The move is also seen as essential to offset declining head grades and to protect cash flow into 2026.

What is the strategic importance of the Fekola Regional development for B2Gold and the Malian government?

Beyond the underground start, B2Gold and the State of Mali are working jointly to finalize the exploitation permit for Fekola Regional. This area includes the Anaconda (Menankoto), Dandoko, Bantako North, and Bakolobi zones located approximately 20 kilometers from the main Fekola Mine. Once approved, Fekola Regional is expected to produce approximately 180,000 ounces annually between 2026 and 2029.

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Mining pre-stripping at Fekola Regional will begin immediately upon receipt of the permit, which is anticipated before the end of Q3 2025. Initial gold production from the Regional zones is projected to start by late 2025, further enhancing B2Gold’s output profile. Key infrastructure—including haul roads, offices, workshops, fuel depots, and warehouses—was completed in 2023, enabling a rapid production ramp-up once the final regulatory step is cleared.

The State of Mali holds a 35% interest in Fekola Regional and 20% in the original Fekola Mine. Both parties reaffirmed their commitment to the 2024 governance and operations agreement, signaling improved regulatory cooperation amid a broader recalibration of foreign mining investments in the country.

What do production guidance and historical output data indicate about B2Gold’s operational resilience in Mali?

B2Gold reiterated its 2025 guidance for the Fekola Complex at 515,000 to 550,000 ounces of gold. Combined with other assets, company-wide gold production is expected to total between 970,000 and 1,075,000 ounces for the year.

Historical performance metrics further highlight the operational significance of the Fekola Mine. In the fourth quarter of 2024, B2Gold reported gold production of 84,015 ounces at an average realized price of USD 2,658 per ounce. For the full year, the company processed approximately 9.9 million tonnes of ore across the Fekola Complex. The average recovery rate during this period held steady around 92%, demonstrating consistent metallurgical performance. However, cost pressures were evident, with the all-in sustaining cost (AISC) for Q4 2024 reaching USD 2,237 per ounce, reflecting the ongoing inflationary and logistical challenges in West African operations.

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These figures reflect both the scale and cost challenges faced by B2Gold as the mine matures. Underground operations are expected to optimize ore blending and stabilize margins over time.

The Fekola Mine remains one of Africa’s largest low-cost producers, having poured its first gold in October 2017. By April 2023, it had produced over three million ounces—an operational milestone achieved just 67 months post-construction.

What does institutional sentiment indicate about Mali’s policy environment and B2Gold’s license to operate?

B2Gold’s ability to secure approval for underground operations and maintain open engagement with the Malian state sets it apart from several other operators in the region. Since Mali’s 2020 coup, foreign mining companies—including Barrick Gold and Resolute Mining—have faced rising fiscal pressure, government audits, and community demands.

Analysts interpret B2Gold’s progress as evidence of relatively stable relations with the current administration, particularly when compared to competitors that have experienced delays or contractual disputes. Institutional investors have responded positively, with the company’s share price rising modestly post-announcement.

The alignment between B2Gold and the State of Mali around the Fekola Regional timeline further reinforces expectations of political and regulatory continuity—at least within this project corridor.

What is the updated mineral reserve and resource picture across the Fekola Complex?

The Fekola Complex hosts significant remaining reserves and exploration upside, which continue to underpin B2Gold’s long-term growth narrative in West Africa. On a 100% project basis, the complex contains probable mineral reserves of approximately 3.39 million ounces of gold, with about 1.96 million ounces in the Fekola open pit, 0.28 million ounces in the Cardinal Zone, and 0.88 million ounces across Fekola Regional—including the Anaconda and Dandoko areas. Attributable reserves to B2Gold are estimated at around 2.8 million ounces.

The indicated mineral resource base stands at 6.39 million ounces, with 4.02 million ounces located within the Fekola Mine and 2.37 million ounces across Fekola Regional. Of this total, approximately 5.35 million ounces are attributable to B2Gold. In addition, the complex holds 2.73 million ounces in inferred resources, with roughly 2.38 million ounces attributable. These figures illustrate the scale and potential for further mine life extension and production growth, especially as exploration and infill drilling programs continue across the broader permit area.

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The Anaconda and Dandoko zones in particular represent high-grade targets, with B2Gold allocating USD 9 million toward Mali exploration in 2025. A total of 16,000 meters of drilling is planned to further define sulphide mineralization and expand the feed base for the Fekola mill.

How does Fekola’s power infrastructure support B2Gold’s sustainability goals in the region?

Fekola’s power supply includes a hybrid combination of heavy fuel oil, diesel, and solar capacity. A 30 MWac solar plant commissioned in 2021 already offsets approximately 38,000 tonnes of GHG emissions annually. An expansion announced in 2023 is projected to further reduce emissions by an additional 24,000 tonnes per year.

This renewable energy investment underscores B2Gold’s broader ESG positioning, particularly as institutional shareholders increase scrutiny on emissions intensity per ounce of gold produced.

What is the broader outlook for B2Gold in West Africa, and what could drive further investor upside?

Looking ahead, the success of the underground ramp-up and the timely approval of the Fekola Regional exploitation license will serve as catalysts for re-rating the asset base. Additional drilling success in the Anaconda, Dandoko, and FNE zones—located just north of the main pit—could unlock near-mill sulphide inventory and defer major expansion capex.

With its updated Mali strategy, B2Gold appears well-positioned to not only extend the Fekola Complex mine life into the 2030s but also secure a stronger foothold in a geopolitically sensitive but resource-rich region.


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