- 01GG South zone ~600m wide.
- 02Three southern holes yield high-grade gold.
- 03Top: 9.2m@0.53g/t; 7.2m@2.35g/t.
- 04FAST-41 coverage supports faster permitting.
Latest assays from Resolution Minerals’ (ASX: RML) ongoing drilling at the Golden Gate South target within its Horse Heaven antimony-tungsten-gold-silver project in Idaho have extended the mineralised zone to approximately 600 metres wide.
Drilling of another three holes in the southern-most section delivered the project’s highest gold grades to date while also suggesting higher-grade “feeder zones” exist across the target.
Best downhole intercepts were 9.2m at 0.53 grams per tonne gold from 18.3m, and 7.2m at 2.35g/t gold from 58.1m including 1m at 14.8g/t gold and 12g/t silver from 62.1m.
The new results follow previously reported wide zones of downhole mineralisation with intercepts of 305.7m at 0.64g/t gold from surface including 17.25m at 1.19g/t from 264.85m, as well as 32.6m at 0.49g/t gold from surface, and 87.87m at 0.52g/t gold from up to 136.84m.
Continuous Mineralisation
Chief executive officer of US operations Craig Lindsay said assays from Golden Gate South continued to show a high-grade zone that “may indicate something more”.
“All of this provides additional support to our view that mineralisation extends continuously from Golden Gate South to Golden Gate North,” he said.
“The gold story is developing well while we advance the critical minerals of tungsten and antimony in tandem.”
Horse Heaven comprises the Golden Gate and Antimony Ridge projects, adjacent to Perpetua Resources’ Stibnite gold project.
Both projects have been selected by the US Permitting Council for FAST-41 transparency coverage aimed at accelerating permitting timelines across relevant prospects.
Diamond Drilling Campaign
Resolution recently completed its 2026 diamond drilling campaign at Horse Heaven, which comprised 42 holes for a total 12,236m across Golden Gate South and Golden Gate North at an average 290m depth.
The largest exploration program ever conducted at the project followed earlier results that extended the mineralisation at least 2,000m south of Golden Gate North, supporting the company’s interpretation of a broader mineralised system at Golden Gate South.
Drilling tested a substantial tungsten-in-soil anomaly at Golden Gate South and areas around historical scheelite mine workings at Golden Gate North, where scheelite has previously been identified in drill core.
Different drill orientations were selected to evaluate the geometry and geological controls of the target, based on gold-tungsten anomalies and geophysical responses identified by past soil geochemical and controlled-source audio-frequency magnetotelluric surveys.
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