Altair Minerals has defined multiple high-priority gold drill targets at its South Oko prospect in Guyana following a comprehensive ground geophysics survey. The findings reinforce the potential for a major discovery along the prolific Oko Shear Contact.
- 63km ground Induced Polarization survey delineates Oko Shear Contact extension
- Multiple chargeability and resistivity anomalies align with geochemical gold anomalies
- Priority drill targets W1-C, W3-C, W1-R, W2-C, and W4-C identified for upcoming programs
- Maiden RAB and diamond drilling scheduled to commence in April 2026
- Survey results validate Altair’s exploration model and support district-scale potential
Geophysical Breakthrough at South Oko
Altair Minerals Limited (ASX:ALR) has taken a significant step forward in its exploration campaign at the South Oko (SOKO) prospect in Guyana, unveiling results from a 63-kilometre ground Induced Polarization (IP) survey. This survey has successfully delineated the extension of the Oko Shear Contact, a key structural corridor known to host over 9 million ounces of gold in adjoining deposits.
The IP survey identified distinct chargeability and resistivity anomalies that coincide with previously reported geochemical soil anomalies, enabling Altair to define clear, high-priority drill targets. These include the W1-C and W3-C chargeability highs, the W1-R resistivity anomaly, and additional targets W2-C and W4-C, all of which present compelling geological signatures analogous to those found at the nearby world-class Oko West discovery.
Strategic Targeting and Upcoming Drilling
Altair’s CEO, Faheem Ahmed, emphasised the importance of these findings, noting that the survey results validate the company’s exploration model and reinforce the potential for a major gold discovery within the Greater Oko Project. The alignment of geophysical anomalies with soil geochemical peaks provides a robust framework for prioritising drill targets.
Looking ahead, Altair plans to commence maiden Reverse Circulation Air Blast (RAB) and diamond drilling programs in April 2026 to test these targets. Concurrently, ongoing auger drilling, soil sampling, and trenching will continue to refine the structural and geochemical understanding of the area. Complementary geophysical surveys, including ground magnetics and pole-dipole surveys, are nearing completion and are expected to further enhance the geological model.
Context Within a Premier Gold Jurisdiction
South Oko sits within the Guiana Shield, a rapidly emerging gold province that shares geological affinities with the prolific West African Birimian Greenstone belts. The region has attracted significant attention following major discoveries by peers such as G2 Goldfields and Reunion Gold, underscoring the district-scale potential of Altair’s contiguous 590km landholding.
Altair’s exploration efforts are strategically positioned near these world-class deposits, with the Oko Shear Contact acting as a proven structural host for significant gold mineralisation. The company’s systematic approach, combining geophysics, geochemistry, and drilling, aims to unlock multiple discoveries across its Greater Oko Project.
Technical Rigor and Forward Outlook
The IP survey employed industry-standard techniques with rigorous quality control, ensuring reliable data despite challenging terrain and soil conditions. The results have been independently reviewed and align with previous geochemical and geological observations, providing confidence in the defined drill targets.
While true widths of mineralisation remain to be determined and drilling results are pending, the current data set marks a pivotal milestone for Altair. The company’s aggressive exploration schedule and expanding technical dataset position it well to capitalise on the region’s untapped potential.
Bottom Line?
Altair’s upcoming drill programs at South Oko will be closely watched as the company seeks to convert geophysical promise into tangible gold resources.
Questions in the middle?
- Will the upcoming drilling confirm the continuity and grade of gold mineralisation at the defined targets?
- How will the final ground magnetics and pole-dipole survey results refine the structural model and influence drilling priorities?
- What impact will regional exploration successes by peers have on Altair’s valuation and strategic partnerships?