23 Drillholes Confirm 1,400m Wide Uranium Mineralisation at Manyingee North

A New Chapter at Manyingee North

Cauldron Energy Limited has revealed further high-grade uranium mineralisation at its Manyingee North prospect, part of the expansive Yanrey Uranium Project in Western Australia. The latest drilling campaign, comprising 23 air-core holes totaling nearly 3,000 metres, has intersected uranium mineralisation above cutoff grade in every hole, underscoring the prospect’s potential as a significant new discovery.

Located just 2.5 kilometres northeast of Paladin Energy’s Manyingee Deposit and within striking distance of Cauldron’s own Manyingee South and Bennet Well deposits, Manyingee North sits within a largely unexplored palaeochannel system. The mineralisation extends over an impressive 1,400 metres east-west and 700 metres along strike, with geophysical surveys indicating the channel continues for at least another 7 kilometres northwards, leaving the resource open in all directions.

Drilling Highlights and Geological Context

Among the standout results from the recent drilling are intercepts such as 4.53 metres at 1,280.2 ppm eU3O8 from 95.4 metres depth, and multiple other zones exceeding 300 ppm eU3O8 over several metres. These grades are notable for their consistency and thickness, suggesting a robust mineralised system. The uranium mineralisation is hosted within carbonaceous coarse sands of the lower Nanutarra Formation, overlain by marine-influenced sediments, which contrasts with the oxidised sands seen at Manyingee South.

Cauldron’s CEO Jonathan Fisher expressed enthusiasm about the discovery, highlighting the potential for significant extensions based on geophysical data and the fact that Manyingee North is just one of over twenty high-ranking targets identified within the Yanrey project area. The company’s strategic focus remains on expanding its uranium resource base as it anticipates potential policy shifts in Western Australia that could favour uranium development.

Yanrey Project, A Growing Uranium Hub

The Yanrey Uranium Project covers approximately 1,340 square kilometres and hosts multiple palaeochannels prospective for sedimentary-hosted uranium deposits. Cauldron has already defined over 40 million pounds of uranium oxide across its deposits, including the flagship Bennet Well deposit with nearly 31 million pounds and the Manyingee South deposit with over 11 million pounds.

This new discovery at Manyingee North adds a promising chapter to Cauldron’s exploration narrative, potentially increasing the scale and quality of the project’s resource inventory. The company’s methodical approach, combining detailed drilling with airborne geophysical surveys and passive seismic techniques, is designed to efficiently delineate mineralisation and guide future drilling campaigns.

Looking Ahead

While the recent drilling results are compelling, Cauldron has yet to define a formal mineral resource estimate for Manyingee North. The mineralisation remains open, and further drilling is planned for the next field season to better understand the extent and grade continuity. Additionally, Cauldron is preparing for diamond drilling in 2026 to complement the air-core results and support resource definition.

As the uranium market continues to attract attention amid global energy transitions, Cauldron’s expanding footprint in the Yanrey Uranium Province positions it well to capitalize on emerging opportunities. However, the ultimate economic viability will depend on continued exploration success and evolving regulatory frameworks in Western Australia.