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Resolution Minerals (ASX:RML) may well have saved the best until last, with the final assay data from the explorer’s sweeping CY25 drilling confirming broad intervals of near-surface gold mineralisation as well as a “significant” tungsten intercept at the Golden Gate Fault Zone at Horse Heaven in Idaho.
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Every hole at the Golden Gate prospect intercepted significant intervals of gold, and several holes ended in mineralisation, too, Resolution reported today, after collecting the last data from its trial RC and diamond core drilling.
The program met several objectives the Australian company had been chasing, including the validation of near-surface mineralisation and the quick gathering of hydrogeological data. All RC holes were stopped upon reaching the water table below, which happened between 50.3 and 99.1 metres.
(That deep groundwater, Resolution said today, will help with future drill planning as well as any potential mine development at Horse Heaven soon.)
Top RC results included a 99.1 metre intercept at 0.23 grams per tonne gold from surface, including 9.1m at 0.65g/t and 20m at 0.35g/t. That hole also boasts tungsten mineralisation. For the diamond drilling run, the final core hole reported results of 103.5 metres at 0.27 grams per tonne gold.
The expansive hits across Horse Heaven have been “sometimes difficult to comprehend,” Resolution’s director Aharon Zaetz said, but the Australian explorer is walking away “immensely pleased” with the results.
“It’s easy to conclude that 2025 drilling has resulted in a major gold discovery. It is a gold discovery in keeping with the intrusive-related, shear-hosted gold exploration model we have for the original Golden Gate Fault Zone. It’s a credit to our tech team for recognising such potential,” Mr Zaetz said.
There are already future-facing plans rumbling on for Resolution, too, the company boss told shareholders: “The fast-approaching 2026 drilling campaign will seek to define a maiden resource at Golden Gate,” he confirmed.
Alongside the impending resource definition, Resolution is also now hoping to file a new plan of operation to expand the drill footprint across the Golden Gate Fault Zone. Metallurgical testing is also underway.
Before any of those plans Resolution is working on, Golden Gate already stands as a “district-scale discovery” that remains open in all directions along strike to the northeast and southwest, across strike, and at depth. The mineralisation covers a strike length of 1,500 metres and a width of 300 metres.
RML opened +4.4% higher on Tuesday, selling at 4.7cps.
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