Tambourah Metals Advances Gold Targets with High-Grade Drilling and Critical Minerals Push

Beatty Park South Delivers New High-Grade Gold Anomalies

Tambourah Metals (ASX:TMB) has expanded its gold footprint at the Bryah Project’s Beatty Park South with 75 aircore holes testing the T1 gold-in-soil anomaly. The drilling, conducted on a 60m by 20m grid, revealed multiple anomalous gold intervals, including standout assays such as 1m at 22.9g/t Au from 4m in hole BPAC087 and 4m at 1.46g/t Au from 24m in BPAC123. These results extend the gold anomaly to a discontinuous 330m strike length, elevating the target’s priority for follow-up RC and diamond drilling to test depth extensions beneath the shallow mineralisation.

The T1 target aligns with a prominent north–south structural break identified through high-resolution sub-audio magnetic (SAM) geophysical data integrated with soil geochemistry, confirming the structural control on gold mineralisation. Aircore drilling is also planned to test the adjacent T2 target in the next quarter, with heritage clearances progressing for both Beatty Park South and nearby Baxter targets.

This latest drilling builds on Tambourah’s earlier identification of high-grade gold at Beatty Park South, reinforcing the project's potential to host economically significant mineralisation. The integration of SAM data and soil geochemistry continues to be a key tool in refining drill targets, as demonstrated in prior two new high-priority gold targets defined at Beatty Park South.

Tambourah King and Surrounding Prospects Show Robust Gold Grades

At the Tambourah Gold Project, diamond drilling beneath historic workings at Tambourah King delivered a highlight intersection of 1.31m at 38.4g/t Au from 82.14m, including a 0.45m interval grading 54.7g/t Au. Additional significant intercepts were recorded at Alexandria and Young Australian prospects, confirming continuity of gold mineralisation along strike. These results underpin plans for in-fill RC drilling to support an initial resource estimate, marking a critical step in advancing the project’s development.

The Tambourah King structure was further delineated with five step-out holes, although only the northernmost hole returned high-grade mineralisation, while southern extensions showed minor gold. This suggests a focused zone of high-grade mineralisation within a broader, lower-grade system. The Alexandria and Young Australian prospects, located 100m apart, also exhibited encouraging gold grades in quartz vein systems, with further RC drilling planned to map the grade distribution and lode continuity more precisely.

This drilling campaign follows earlier diamond drilling results that confirmed mineralisation continuity within the top 100 metres at Tambourah King, as reported in the company’s January update, highlighting the steady progress towards resource definition high-grade gold intersections at Tambourah King.

Critical Minerals Exploration Gains Momentum at Speewah North

Tambourah is advancing its critical minerals portfolio with a focus on antimony, silver, copper, and gold at the Speewah North project in the Kimberley region. Surface sampling has identified a 7km-long epithermal-mesothermal vein system along a granophyre-sediment contact, with rock samples returning up to 9.2% antimony, surpassing historic highs of 5% Sb. This polymetallic mineralisation is supported by historic drill intersections and geophysical data, leading to the definition of seven priority RC drill targets.

Planned RC drilling is set to commence in the coming quarter, targeting these polymetallic zones to test for extensions at depth and to better understand the mineral system. The Speewah North project complements Tambourah’s broader critical minerals ambitions, which also include lithium-tin-rare earth element exploration at the Kurrana-Coondina-Shaw River-Eleys tenements, where hyperspectral surveys and machine learning are being applied to identify pegmatite targets.

These developments follow earlier announcements confirming strong antimony and silver mineralisation at Speewah North, underpinning Tambourah’s strategic pivot towards critical minerals alongside its gold projects significant antimony silver copper mineralisation.

Financial Position Supports Aggressive Exploration Program

Tambourah Metals closed the quarter with a healthy cash balance of $5.35 million, having spent approximately $440,000 on exploration activities. The company did not incur any mining production or development costs during the period. Payments to related parties amounted to $222,000, covering director fees and consulting services.

The financial position provides a solid runway for the planned drilling campaigns across the Bryah, Tambourah, and Speewah North projects. Upcoming work includes submission of 1m split samples from Beatty Park South aircore drilling for assay, RC and diamond drilling to test depth extensions at high-grade gold targets, and commencement of RC drilling at Speewah North’s critical mineral prospects. Heritage clearances remain a key gating factor for some programs.