How Gateway Mining’s Gravity Models Reveal Hidden Gold at Yandal
Gateway Mining's latest gravity inversion modelling and geochemical analyses at the Yandal Gold Project reveal structurally complex intrusions and a rare sanukitoid intrusion, underpinning accelerated drilling plans.
- Gravity inversion modelling delineates major intrusions at Great Western, Mustang, and Dusk ‘til Dawn
- Surface gold anomalies align closely with newly modelled intrusions, highlighting untested corridors
- Discovery of a rare sanukitoid intrusion at Dusk ‘til Dawn suggests a significant orogenic gold system
- Accelerated 25,000m aircore drilling at Mustang and diamond drilling at Dusk ‘til Dawn scheduled for October
- Gateway maintains strong financial position with $12.1 million in cash and liquid securities
Exploration Breakthroughs at Yandal
Gateway Mining Limited (ASX – GML) has released a comprehensive update on its 100%-owned Yandal Gold Project in Western Australia, showcasing significant advancements in geophysical modelling and geochemical analysis. The company’s recent gravity inversion modelling has successfully delineated key intrusive bodies at its three primary target areas – Great Western, Mustang, and Dusk ‘til Dawn. These intrusions are closely associated with surface gold anomalies, suggesting promising zones for further exploration.
Structural Complexity and Untapped Potential
The Mustang area, in particular, exhibits a high degree of structural complexity with multiple intrusions; Pony, Colt, and Haflinger; intersected by major shear zones. This intricate geological setting is considered highly favourable for gold mineralisation. Historical drilling in these zones was limited and shallow, leaving substantial potential untested. Gateway has responded by advancing a 25,000-metre aircore drilling program, set to commence in early October, aimed at systematically testing these structurally complex targets.
Rare Sanukitoid Intrusion at Dusk ‘til Dawn
One of the standout findings is the identification of a sanukitoid intrusion at Dusk ‘til Dawn, confirmed through detailed petrological and lithogeochemical analysis. Sanukitoid intrusions are relatively rare within the Yilgarn Craton but are commonly associated with large orogenic gold systems, which are significant sources of gold globally. This discovery adds a compelling dimension to Gateway’s exploration narrative, suggesting the presence of a substantial gold system. Complementary induced polarisation (IP) surveys are nearing completion to refine drill targets ahead of diamond drilling scheduled for mid-October.
Validation and Forward Momentum
At Great Western, the gravity inversion model has been validated by diamond drilling, with the modelled intrusion matching the granite unit intersected at 185.1 metres depth. This alignment between geophysical modelling and drilling results enhances confidence in the targeting methodology. Gateway’s Executive Chairman, Andrew Bray, emphasised the strength of the exploration case and the strategic acceleration of drilling programs to capitalise on these insights.
Financial Strength Supports Ambitious Plans
Gateway remains well capitalised, with approximately $12.1 million in cash and liquid ASX-listed securities as of the June quarter. This financial position supports the planned exploration activities through 2025 and 2026, including extensive drilling campaigns and geophysical surveys. The company’s methodical approach, combining advanced geophysical techniques with detailed geochemical and petrological studies, positions it well to unlock the full potential of the Yandal Gold Project.
Bottom Line?
Gateway’s integration of advanced modelling and rare geological discoveries sets the stage for a pivotal drilling campaign that could redefine the Yandal Gold Project’s prospects.
Questions in the middle?
- Will the upcoming drilling confirm the extent and grade of gold mineralisation suggested by the gravity models?
- How might the rare sanukitoid intrusion influence the scale and economic viability of the gold system at Dusk ‘til Dawn?
- What challenges could the high structural complexity at Mustang pose for resource delineation and mining?
