Catalina Resources (ASX:CTN) confirms extension of gold mineralisation at Halo Project

Catalina Resources Limited (ASX:CTN) has confirmed an extension of gold mineralisation at its Halo Project in Laverton following the receipt of final assay results from the September 2025 reverse-circulation (RC) drilling program.

The results strengthen the company’s geological understanding of the project and highlight the potential for continued growth within one of Australia’s most productive gold regions.

Executive Director Ross Cotton provides further insight into the results, how they shape the company’s exploration strategy, and the significance of Halo’s location within the Laverton Gold Project area.

What are the key outcomes from the recent RC drilling program at the Halo Project?

The September 2025 RC drilling program has delivered a complete set of results confirming that gold mineralisation extends across multiple sections and depths within the Halo Project area.

The program comprised 11 holes, totalling 2,040 metres, designed to test both infill and step-out targets along the Barnicoat Shear Zone.

Among the notable intersections were 1 metre at 11.5 grams per tonne gold from 114 metres in hole LVRC10, 2 metres at 3.1 grams per tonne from 48 metres in LVRC12, and 1 metre at 3.2 grams per tonne from 149 metres in LVRC15.

These results complement earlier intersections including 17 metres at 0.9 grams per tonne from 44 metres in LVRC06 and 5 metres at 2.6 grams per tonne from 217 metres in LVRC07.

“The completion of this program and receipt of all assay results mark an important step forward for the Halo Project. The results demonstrate that gold mineralisation extends across multiple sections and depths, highlighting continuity within a highly prospective part of the Laverton district.”

All samples were collected and assayed at one-metre intervals, providing high-resolution data and enabling a more detailed understanding of the mineralised zones.

Together, the results confirm the continuity of a robust gold-bearing structure that remains open along strike and down plunge.

How do these results impact Catalina’s understanding of the Halo Project’s mineralisation potential?

The full dataset has provided Catalina with valuable insight into the geological framework of the Halo Project, refining its understanding of structure, grade distribution, and mineralisation style.

The drilling intersected a deeply weathered dolerite sequence characterised by pervasive carbonate and localised sericite alteration, both strong indicators of hydrothermal fluid activity linked to gold deposition.

“Several zones of intense sericite and carbonate alteration were identified within the altered dolerite, suggesting structurally controlled fluid flow, potentially along shear zones or faults.”

Gold mineralisation was encountered in both saprolitic material and fresh rock, with higher-grade zones typically occurring adjacent to carbonate–sericite altered dolerite.

This correlation between alteration intensity and gold content supports the interpretation that mineralisation at Halo is structurally controlled and related to hydrothermal processes common within the Barnicoat Shear Zone.

The consistency of these geological characteristics provides confidence in the continuity of mineralisation and confirms Halo as part of a broader mineralised system comparable to other known deposits along this prolific structural corridor.

Why is the location of the Halo Project considered strategic?

The Halo Project is situated along the Barnicoat Shear Zone, a regionally significant structure that also hosts several established gold resources including Lily Pond Well, Mon Ami, and Ida H.

This corridor forms part of the Laverton Tectonic Zone, recognised as one of Australia’s most highly endowed gold provinces.

Within a 50-kilometre radius of the Halo Project are major gold operations such as AngloGold Ashanti’s Sunrise Dam and Granny Smith mines, and Gold Fields’ Wallaby operation.

This proven geological setting reinforces the project’s potential and validates Catalina’s systematic exploration approach.

“The combination of solid assay results, proven district-scale endowment, and strong infrastructure connectivity reinforces the strategic significance and development potential of the Halo Gold Project within the Laverton district.”

In addition to its geological advantages, the project’s proximity to established haul roads, transport routes, and regional processing facilities provides important logistical flexibility for potential future development.

What are the next steps following receipt of the final assay results?

With the final assays now received and validated, Catalina is consolidating the complete dataset to refine its geological interpretation and assess the continuity and scale of mineralisation.

This process includes detailed evaluation of cross-sections, alteration patterns, and structural controls to guide future targeting.

The company plans to define new priority areas for follow-up drilling, which will likely include a combination of infill drilling to confirm grade continuity and step-out drilling to test extensions along strike and at depth.

These activities will form part of a structured approach to determining the full potential of the Halo Project within the broader Laverton Gold Project area.

How does this program fit within Catalina’s broader exploration and development strategy?

Catalina’s exploration strategy focuses on advancing a diversified portfolio of mineral assets that includes gold, base metals, lithium, and iron ore, with a disciplined emphasis on projects that demonstrate scale and continuity.

The Halo Project fits well within this framework, providing consistent and meaningful results within a proven mineralised belt.

The September 2025 drilling program has added value by confirming a continuous mineralised structure and expanding the understanding of key geological controls.

This strengthens Halo’s position as a core exploration asset for Catalina and supports its objective of creating shareholder value through targeted, data-driven exploration.

“With the dataset now complete, we are seeing clear indicators of scale and potential that enhance Halo’s position as a valuable asset within Catalina’s broader portfolio.”

Looking ahead

The completion of the September 2025 RC drilling program represents a significant milestone in the ongoing advancement of the Halo Project.

The results confirm the presence of an extensive mineralised system that remains open for further testing and provide the technical foundation for future exploration planning.

As Catalina Resources continues to refine its geological model, the company remains focused on systematically progressing its Laverton Gold Project through methodical exploration, sound technical assessment, and disciplined project development

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