Altair Minerals Uncovers Thick, High-Grade Gold at Greater Oko as Exploration Scale Sharpens

Key Highlights

• Historic drilling reveals standout gold intercepts of up to 89m at 2.40g/t gold at North Peters
• New Kmung Prospect emerges as a high-grade regional target with limited historic drilling
• Three gold systems now defined across a 590 square kilometre landholding in Guyana
• Camp construction and geophysical programs position Altair for an active Q1 2026 drilling phase
   

Altair Minerals Ltd has delivered one of the more eye-catching exploration updates on the ASX this week, unveiling thick, high-grade gold intercepts from historic drilling at its Greater Oko Project in Guyana. The results, released on Thursday, January 8, add depth and scale to a project that is steadily evolving from a single prospect story into a district-wide gold opportunity.

At the heart of the update are newly compiled historic drill results from the North Peters prospect, highlighted by intercepts such as 89 metres at 2.40 grams per tonne gold and 63 metres at 2.25 grams per tonne gold. These results, sourced from a previously unavailable data room, point to continuity of mineralisation and open extensions along strike.

The market reaction was swift. Altair shares traded higher on strong volume, reflecting renewed interest in the company’s exploration trajectory and the scale of what is emerging at Greater Oko.

Re-examining the Past to Unlock the Future

The latest results stem from Altair’s review of historic drilling completed between 2006 and 2010 by previous explorers. While the data existed, much of it had not been fully consolidated or interpreted within a modern geological framework.

That changed following Altair’s acquisition of a comprehensive historic assay database, which included logs, lab certificates, and drill records for 35 diamond drill holes at North Peters. The recompiled dataset uncovered a series of previously unreported high-grade intercepts that materially enhance the prospect’s growth potential.

Among the most notable results:

• 89m at 2.40g/t gold, including 24m at 7.17g/t gold
• 63m at 2.25g/t gold, including 11m at 8.55g/t gold
• Multiple near-surface intercepts, including 11m at 7.38g/t gold from surface
  
   

These thick intersections are particularly important in gold exploration, as they point to bulk-tonnage potential rather than narrow, discontinuous veins.

Altair noted that the most north-westerly drill hole returned 23m at 2.51g/t gold, suggesting the system remains open along strike and has not yet been fully tested.

A New Regional Prospect Comes Into View

Beyond North Peters, the update introduced a new regional target known as the Kmung Prospect, located around 21 kilometres west of North Peters. While only lightly explored historically, Kmung has already delivered high-grade results from just 11 assayed drill holes.

Key intercepts include:

• 14m at 3.46g/t gold
• 9m at 3.15g/t gold
• 3m at 7.24g/t gold, ending in mineralisation grading up to 11.40g/t gold
  
   

What stands out at Kmung is not just the grade, but how little drilling has been done across a strike length of approximately one kilometre. In practical terms, this makes Kmung a blank canvas with clear upside, particularly as some historic holes ended in mineralisation and were not fully assayed to depth.

Altair’s management sees Kmung as a complementary growth lever alongside the more advanced North Peters and South Oko prospects, reinforcing the district-scale nature of the Greater Oko Project.

Three Targets, One Large Gold System

With North Peters, South Oko, and Kmung now clearly defined, Altair has outlined three separate gold systems spread across more than 50 kilometres within its 590 square kilometre landholding.

That scale matters. Guyana’s Guiana Shield is an extension of the same Birimian greenstone belts that host major gold deposits in West Africa, yet remains significantly underexplored. In recent years, the region has attracted global attention following billion-dollar discoveries and takeovers by companies such as G2 Goldfields and GMining Ventures.

Altair’s project sits within this emerging gold district, just kilometres from multi-million-ounce discoveries expected to move into production within the next 18 months.

Altair Minerals Chief Executive Officer Faheem Ahmed said the newly identified intercepts confirm both continuity and scale at Greater Oko.

Source: ALR ASX Annoucement 

From Paper to the Field

Importantly, Altair is not standing still. Camp construction at North Peters and South Oko is nearing completion, with accommodation and medical facilities in place ahead of planned drilling.

Geophysical programs, including ground magnetics, induced polarisation and pole-dipole surveys, are scheduled to commence in mid-January. Trenching and soil sampling programs are also underway, aimed at refining drill targets before diamond drilling begins in Q1 2026.

Altair has also identified and begun refurbishing a historic drill core shed, which will allow previously drilled cores to be re-logged and re-analysed using modern geological techniques.

Why This Matters

In exploration terms, thick intercepts, continuity along strike, and multiple untested targets are the ingredients that underpin district-scale discoveries. While Altair is careful to note that no JORC-compliant resource has yet been declared, the updated data materially improves confidence in the geological model.

The combination of near-surface mineralisation, high grades, and scale positions Greater Oko as a project with multiple shots on goal rather than a single binary outcome.

As Altair transitions from data compilation to active drilling, the focus will now shift from historic validation to fresh results that test the system at depth and along strike.