Gateway Mining reported over 53,000 metres drilled in the March quarter, unveiling three new gold discoveries at Yandal and initiating drilling at Great Western. The company also advanced exploration at Glenburgh South and reviewed historic data at Montague and Barrelmaker projects.
- Three new gold discoveries at Yandal: Haflinger, Hummer, Rubicon
- Drilling commenced on 16km strike at Great Western Splay Corridor
- Glenburgh South reveals 15km prospective gold trend analogous to Benz Mining
- Historic drill samples from Montague and Barrelmaker under analysis
- Cash reserves of $15.67 million with $5.6 million in Brightstar shares
Surge in Gold Discoveries at Yandal Project
Gateway Mining Ltd (ASX:GML) accelerated its exploration efforts in the March 2026 quarter, drilling over 53,000 metres and announcing three new gold discoveries, Haflinger, Hummer, and Rubicon, within the Mustang Shear Zone at its Yandal Gold Project. These discoveries stem from a systematic approach targeting structural-lithological contacts highlighted by recent bottom of hole sampling and a 70,000-metre aircore program. Key intercepts include Haflinger’s 64 metres at 1.2 grams per tonne (g/t) gold from 56 metres, including a 24-metre section at 2.4 g/t, underscoring the prospect’s growing significance.
The discovery of parallel shear zones hosting these prospects, further deformed by an east-trending structural corridor, suggests a complex geological setting conducive to hydrothermal gold deposition. Notably, Rubicon sits where the Mustang Shear Zone rotates, a structural feature analogous to Haflinger’s setting on the Celia Shear Zone, indicating potential for further mineralisation. Gateway’s exploration strategy has effectively identified mineralised trends previously underexplored due to cover, with infill drilling planned to delineate these trends for follow-up reverse circulation (RC) drilling. The aircore program across the Pony-Mustang region is positioning the area as an emerging gold camp with multiple growth avenues for the Yandal resource base. This builds on earlier announcements including the promising new Rubicon gold prospect and expanding mineralisation at Haflinger.
Drilling Progress at Great Western Splay Corridor
Gateway has also initiated drilling at the Great Western Splay Corridor, targeting a 16-kilometre dolerite strike identified through detailed lithological and structural mapping. The region exhibits a high degree of structural complexity with multi-phase deformation and cross-cutting features, enhancing prospectivity. Two aircore rigs are systematically testing zones of strong surface gold anomalism and visible gold nugget occurrences, with assay results expected from mid-May. This drilling campaign follows up on mapping work that highlighted the corridor’s geological potential, echoing the company’s broader strategy of targeting structurally complex gold systems within the Yandal Project. The commencement of this program aligns with the company’s prior plans to drill Great Western as a priority target.
Emerging Gold Trends at Glenburgh South Project
In Western Australia’s Gascoyne region, Gateway’s Glenburgh South Project is shaping up as a significant gold exploration play. Recent high-resolution magnetic surveys have delineated a continuous 15-kilometre folded stratigraphic trend analogous to Benz Mining’s Glenburgh Gold Deposit. Structural interpretation reveals a polyphase isoclinally folded gneiss unit with a major shear structure paralleling the mineralised corridor at Benz, suggesting the potential for similar gold mineralisation. Gateway plans to undertake extensive soil sampling and detailed mapping to refine drill targets along this trend, capitalising on prior surface geochemical anomalies and geological mapping. This exploration step follows earlier magnetic survey results that confirmed the project’s prospectivity.
Historic Data Review at Montague Range and Barrelmaker Projects
Gateway’s large landholding of approximately 1,000 square kilometres in the Sandstone region includes the Montague Range and Barrelmaker Projects. Historical exploration data indicates extensive gold anomalism, but previous drilling was considered sub-optimal. During the quarter, Gateway collected 804 historic drill hole samples for multi-element analysis from bottom of hole sample spoils. Pending assay results will be critical for defining litho-geochemical signatures and refining the geological model, ultimately guiding targeted drill programs later in the year. These projects benefit from excellent regional infrastructure, proximity to operational gold treatment facilities, and low holding costs, offering Gateway optionality for future resource growth.
Financial Position and Corporate Updates
Gateway ended the quarter with $15.67 million in cash and holds 15 million shares in Brightstar Resources Limited (ASX:BTR), valued at $5.6 million as of 31 March 2026. However, the value of this shareholding declined by approximately 30% during the quarter, reflecting Brightstar’s share price volatility, which adds an element of uncertainty to Gateway’s balance sheet. Exploration expenditure for the quarter was $4.33 million, covering activities across the Yandal, Glenburgh South, Barrelmaker, and Montague Range Projects. No mining development or production activities were conducted during the period.
Additionally, Gateway issued 24.75 million performance rights to employees and contractors under its incentive plan, with vesting tied to share price milestones ranging from $0.125 to $0.25. The company also relocated its registered office to Mt Pleasant, Western Australia, signalling a refreshed corporate footprint.
Bottom Line?
Gateway’s expanding footprint across multiple gold projects and strategic drilling programs position it well for resource growth, but upcoming assay results and share price volatility in key holdings will be pivotal in shaping near-term investor sentiment.
Questions in the middle?
- Will assay results from Great Western confirm the structural potential identified in mapping?
- How will the pending historic drill sample analyses at Montague and Barrelmaker influence Gateway’s exploration priorities?
- What impact will the volatility in Brightstar Resources shares have on Gateway’s financial flexibility going forward?