Cauldron’s Refined Uranium Targets Face Test as Drilling Set to Begin November

Surveying the Subsurface

Cauldron Energy Limited has announced promising preliminary results from a passive seismic survey conducted over its Yanrey Uranium Project in Western Australia. The survey, carried out by Southern Geoscience, targeted multiple tenements around the Manyingee South Uranium Deposit and adjacent areas, aiming to better define the palaeochannel systems that host uranium mineralisation.

Passive seismic surveying, a geophysical technique that detects natural seismic waves to map subsurface structures, has helped Cauldron delineate the margins and extensions of key palaeochannels. These ancient river systems, filled with sedimentary deposits, are critical hosts for uranium mineralisation in the region.

Key Findings and Drill Targets

The survey results correlate well with Cauldron’s 2024 drilling data, reinforcing the geological model of the Manyingee South deposit. Notably, the seismic data identified a cross-cutting structure at the base of the palaeochannel that appears to have trapped high-grade uranium mineralisation, preventing its northward migration. This structural insight has opened up new high-priority drill targets to the south and southeast of the deposit.

Beyond Manyingee South, the survey confirmed the northward continuation of the Manyingee palaeochannel onto Cauldron’s tenements, where historical drilling has yet to close out mineralisation. This area, known as Manyingee North, now ranks as a high-priority target for discovery drilling.

Further east, at the Koodarie tenement, the survey revealed that the palaeochannel extends across the Ashburton River into largely unexplored ground. The channel here is deeply incised and well-developed, presenting an attractive target for upcoming drilling campaigns. Intriguingly, the data also suggests a previously unknown palaeochannel bifurcating northwards, potentially mirroring the geological setting of Manyingee South and offering another prospective zone.

Strategic and Market Context

Cauldron’s CEO Jonathan Fisher emphasised the importance of the seismic survey in refining drill targets, which will reduce unnecessary drilling and associated costs. He noted the company’s commitment to advancing exploration despite the junior uranium sector’s inherent volatility, buoyed by the global nuclear renaissance and increasing investor interest.

Fisher also highlighted Cauldron’s active role in industry advocacy, supporting the Western Australian Government’s parliamentary inquiry into uranium mining. The company aims to raise awareness of uranium’s critical role in decarbonisation and the economic benefits uranium mining can bring to the state.

Next Steps

With site preparations underway, including heritage surveys, Cauldron plans to commence drilling in November 2025. The upcoming drill program will test the newly defined targets, potentially expanding the known uranium resources and advancing the Yanrey Project’s development.

As the company moves forward, the integration of geophysical data with drilling results will be key to unlocking the full potential of this strategically located uranium province.