Basin Energy opens a second rare earth front at Rochedale

Rochedale drilling tests a new rare earth model

Basin Energy Limited (ASX:BSN) has begun maiden drilling at Rochedale, opening a second exploration front within its 100%-owned Sybella-Barkly Project in northwest Queensland. The prospect lies about 15 kilometres southwest of Newmans and is being tested for heavy and magnet rare earth enrichment hosted by phosphatic sediments.

The reverse circulation program is expected to include up to seven holes, with depths varying to about 150 metres. Basin says the drilling will target phosphorite units near the top of the Cambrian-aged sedimentary sequence in the southern Georgina Basin, where regionally extensive phosphatic horizons occur along the basin margin.

Government support limits the immediate funding burden

Queensland’s Collaborative Exploration Initiative is providing non-dilutive support of up to $76,413 for the program. That reduces the direct funding requirement for this first-pass test, although the announcement does not disclose the program’s total cost or indicate whether follow-up work would receive similar support.

The geological case draws on academic research showing rare earth enrichment in southern Georgina Basin phosphorites, including neodymium, praseodymium, dysprosium, terbium and yttrium. Basin says historical drilling recorded a phosphorite-rich unit between 80 and 150 metres below surface, but also makes clear that this historical information has not been verified. That leaves the current campaign testing a supported concept, rather than advancing an established mineralised body.

Newmans provides the project’s current evidence base

Rochedale is being pursued while Basin continues work at Newmans, where the company has reported a mineralised footprint extending to at least 6.7 kilometres. The latest Newmans results included 25 metres at 2,164 ppm TREO with 458 ppm MREO, including three metres at 5,253 ppm TREO with 1,147 ppm MREO. Those results came from the expanded Newmans footprint, but they do not establish that the separate Rochedale target will produce comparable grades or continuity.

The company also plans preliminary mineralogical investigations and more detailed interpretation at Newmans, alongside heritage clearances and stakeholder engagement for potential follow-up drilling. Basin holds about 5,805 square kilometres west and southwest of Mount Isa, and says it is applying remote-sensing filters based on observations at Newmans to prioritise other targets across the Sybella Batholith.

December assays will decide whether the concept travels

Assay results from Rochedale are expected in December 2026. The key questions will be whether rare earths are present at meaningful grades, how they are distributed through the phosphatic units, and whether the mineralogy supports a credible follow-up program. Until those results arrive, Rochedale is best viewed as a targeted geological test with government backing, not a new discovery.