Shallow gold and structural scale: Great Boulder strengthens Side Well strategy
June 13, 2025Great Boulder Resources is continuing to build momentum at its Side Well Gold Project near Meekatharra, with a series of recent drill campaigns confirming shallow, high grade gold mineralisation across multiple targets.
The latest results from Side Well South, along with updates from Ironbark, Saltbush and the broader Central Corridor, are all feeding into the company’s strategy to grow its resource base and prepare for development studies.
Managing Director Andrew Paterson said the most recent round of reverse circulation drilling at Side Well South confirmed multiple lodes, including one with over 200 metres of strike.
The mineralisation is shallow, high grade, and remains open to the north, south and at depth.
“The latest RC drill results from Side Well South are a big step forward for us. What we’re seeing is the confirmation of multiple gold lodes, including one that we now know extends over 200 metres of strike.”
A standout intercept of 4 metres at 11.70 grams per tonne gold from 116 metres in hole 25SWRC008 could represent an entirely new lode that has not been tested before.
According to Paterson, the fact that the gold zones are close to surface offers valuable flexibility for potential mine development, with these areas potentially integrated into early stage production scenarios.
He explained that shallow gold discoveries like these could play an important role in delivering early mill feed and cashflow during the pre strip of a larger open pit development at Mulga Bill.
In that context, smaller deposits such as Side Well South may help support and optimise the early mining schedule.
The new discoveries are also aligned with Great Boulder’s broader goal of building optionality and scale across Side Well.
Paterson said each successful drill program adds new pieces to the puzzle and supports the company’s long term plans.
He noted that the central lode at Side Well South appears to be a structural continuation of the historic Golden Bracelet mine, which enhances confidence in the potential to grow the system.
“These results feed directly into our broader strategy to build scale and optionality across Side Well. Every successful drill program like this helps us add more pieces to the puzzle.”
Great Boulder Resources already holds a Mineral Resource Estimate of 668 thousand ounces at 2.8 grams per tonne, and the company believes the new results from Side Well South provide a foundation for further growth.
The mineralisation style is consistent with Ironbark and Mulga Bill, which are already central to the company’s vision for a future open pit operation.
Elsewhere at Ironbark, Great Boulder has completed a short RC drilling program following up on a previous intercept of 8 metres at 9.07 grams per tonne gold from 113 metres.
That result came from drilling about 60 metres south of earlier work and pointed to a potential southern extension of the high grade zone.
The latest program is testing whether the mineralisation continues further south and whether a plunging shoot might exist.
Paterson said the focus now is on defining the geometry of the gold system to understand its full extent. Assays from this round of drilling are pending.
With multiple programs now in progress, the company expects strong news flow over the coming weeks.
Paterson confirmed that assays are pending from aircore programs at Saltbush and Side Well South, along with the RC drilling results from Ironbark.
“We’ve got a lot coming up. Assay results are pending from two aircore programs, one at Saltbush and another in the broader Side Well South area.”
Drilling is also underway at Mulga Bill and Eaglehawk, where Great Boulder has started wide spaced fences to test the northern extent of the Central Corridor, which spans more than six kilometres of strike.
The Ironbark scoping study is progressing and expected for release in early July, while at Saltbush, Great Boulder has completed ten shallow aircore holes totalling just over 600 metres to close gaps in existing drill coverage and refine the geological model ahead of a maiden Mineral Resource Estimate, with results expected shortly.
Paterson said Saltbush is following the company’s systematic exploration process: initial definition, infill drilling, then resource modelling.
The infill holes will help fine tune the mineralised wireframes and provide greater confidence in the interpretation.
“It’s a methodical process, and Saltbush is shaping up as another piece of the broader Side Well story.”
Taken together, the activity across Side Well reflects a deliberate and structured strategy to grow Great Boulder’s resource base and prepare for long term production.
Shallow, high grade discoveries such as Side Well South and Ironbark are adding valuable options, both for future mine scheduling and early cashflow opportunities.
With more assays on the way, an upcoming scoping study, and continued drilling across the Central Corridor, the company is positioned for a strong period of news flow and further resource advancement.
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