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Great Boulder Resources has major drilling program underway at Peak Hill gold project

ASX News, Materials
ASX:GBR      MCAP $105.3M
16 July 2026 10:24 (AEST)

RC rig preparing to drill at Peak Hill.

Great Boulder Resources (ASX:GBR) has kicked off a major resource growth drilling campaign at the Peak Hill gold project north of Meekatharra in the Murchison region of Western Australia.

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The 40,000m drilling program, designed to infill and extend known gold mineralisation, will help pave the way for a resource update by the end of calendar year 2026.

The program will also include drilling on high-grade targets such as Golden Treasure, where Westgold intersected high-grade gold including 19m at 13.34 grams per tonne (g/t) gold from 104m in 2025.

“We believe there is huge scope to grow the 481,000oz resource at Peak Hill. Extensive high-grade mineralisation has already been identified outside the resource and we have some compelling new targets to test,” MD, Andrew Paterson, said.

“Achieving first drilling within a fortnight of completing the acquisition is testament to the skills of our exploration team, who have assembled a small camp with power, water and fuel facilities in record time to enable us to support a major drilling program.

“With so much activity at Peak Hill, we’re looking forward to a high volume of news flow in the months ahead. This program is designed to confirm high-grade discoveries and extend known resources as we prepare for mining studies in 2027.”

The Peak Hill drilling program has commenced with two RC rigs mobilising to site this week, to be followed by a diamond rig in August.

The program is designed to infill and extend the current resource areas at Jubilee, Durack, Enigma, Harmony and Five Ways as well as brown-fields exploration at targets such as the Golden Treasure area adjacent to Jubilee.

Great Boulder has a Mining & Heritage Agreement in place with the Jidi Jidi Aboriginal Corporation which covers the Peak Hill project.

The company’s exploration and resource growth program is continuing at Side Well, with one diamond and one AC rig operating. Another RC rig is expected to mobilise to site in August to continue testing priority targets. 20,000m of drilling is scheduled for Side Well in the current half year.

GBR was steady at 6.7¢ with a Mkt cap $105.3M before markets opened.

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