Great Boulder Resources (ASX:GBR) sharpens drill focus as Side Well accelerates towards 1Moz-plus ambition

While many gold juniors talk a big game, few are advancing as systematically and aggressively as Great Boulder Resources (ASX:GBR), which has just mobilised a second rig at its flagship Side Well Gold Project in Western Australia.

Located next to Meekatharra and in the shadow of Westgold’s prolific Paddy’s Flat operation, Side Well is rapidly evolving into a high-grade gold system of serious scale.

The current mineral resource stands at 668,000 ounces at 2.8g/t, but recent drilling success and a well-funded exploration program suggest that figure may soon be due for an upgrade.

With approximately $15 million in the bank and a third diamond rig due to arrive in Q4, Great Boulder is executing a multi-pronged strategy across five key deposits: Mulga Bill, Eaglehawk, Ironbark, Saltbush and Side Well South.

At the same time, it is pursuing step-change discoveries across new IP-defined targets to the north.

“We’ll have at least five deposits in the next resource… Looking beyond that, the new gold targets are the focus of exploration for the next discovery step-change beyond our current million-ounce exploration target,” said Managing Director Andrew Paterson.

The latest round of RC drilling at Ironbark has extended a high-grade zone south of the existing 100koz resource, returning standout results such as:

• 5m at 14.61g/t from 95m

• 8m at 9.07g/t from 113m

• 6m at 8.53g/t from 111m

Meanwhile, at Eaglehawk, hole 25EHRC003 intersected multiple zones of high-grade gold including 8m at 29.18g/t from 128m, with the hole ending in mineralisation a tantalising sign of continuity at depth.

Diamond drilling beneath Mulga Bill and Eaglehawk is also on the cards, with the goal of testing the scale of the stacked high-grade vein systems believed to underpin the project.

This deeper work reflects the company’s growing conviction in the project’s intrusive-related gold architecture, which has now been traced across a 22km strike corridor.

Having completed over 197,000 metres of drilling at Side Well since acquiring the ground in 2020, Great Boulder Resources approach has been one of methodical build-up rather than headline-chasing hype.

With discovery drilling, resource definition, and deeper structural testing all underway and several undrilled chargeability anomalies in the pipeline the company is well-positioned to move closer to its 1.5Moz ambition.

As momentum builds, Side Well is shaping up as a rare combination of scale, grade and near-term development potential in a proven gold region.

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