Resolution Minerals Reports 253m at 1.5g/t Gold from Surface at Golden Gate

Resolution Minerals has confirmed a large, open-ended gold system at its Golden Gate prospect within the Horse Heaven Project, Idaho, with drill holes returning broad mineralised intervals from surface. The discovery aligns closely with nearby major deposits and sets the stage for accelerated exploration and development.

  • Three diamond drill holes at Golden Gate all ended in gold mineralisation
  • Best intercept – 253.0m at 1.5 g/t gold from surface, including higher-grade zones
  • Mineralisation open in all directions and at depth, indicating large intrusion-related system
  • Presence of tungsten and antimony alongside gold, supporting critical minerals potential
  • Follow-up drilling underway with additional assay results expected in coming months
An image related to RESOLUTION MINERALS LTD
Image source middle. ©

Discovery Confirmation at Golden Gate

Resolution Minerals Ltd (ASX, RML) has delivered compelling evidence of a significant gold discovery at its 100% owned Horse Heaven Project in Idaho, USA. The company’s maiden diamond drilling program at the Golden Gate prospect has yielded three consecutive holes, each ending in gold mineralisation, confirming the presence of a large, open intrusion-related gold system. The standout result came from drill hole HH-GG25-003C, which intersected 253.0 metres grading 1.5 grams per tonne (g/t) gold from surface, including higher-grade intervals such as 111.9 metres at 2.31 g/t and a peak assay of 5.91 g/t over 1.5 metres.

This continuity of mineralisation from surface and the open-ended nature of the intercepts in all directions underscore the potential scale of the system. The results are particularly encouraging given the early stage of exploration, with the mineralisation style and geology closely mirroring that of the nearby Stibnite Gold Project, located just 16 kilometres away.

Geological Context and Critical Minerals

The gold mineralisation is hosted within altered granitic rocks of the Idaho Batholith, associated with pyrite and arsenopyrite sulphides, consistent with an intrusion-related gold system (IRGS) model. This style of deposit is known for forming large, district-scale gold resources, as seen in major U.S. and Australian analogues. Importantly, alongside gold, the drilling has intersected tungsten and antimony mineralisation, commodities identified as critical minerals by the U.S. government. This multi-commodity potential enhances the strategic value of the Horse Heaven Project within domestic critical mineral supply chains.

Advancing Exploration and Development

Resolution Minerals is rapidly advancing its exploration program. A reverse circulation drill rig is being mobilised to expand the footprint at Golden Gate, following up on the initial diamond core results. The company has completed a 10-hole Phase-1 diamond core program, with assay results from seven additional holes to be released progressively over the coming months. Concurrently, Resolution is pursuing a large drill permit application to enable up to 50 holes, aiming to delineate the resource potential more comprehensively.

Beyond Golden Gate, the company is also targeting the Antimony Ridge prospect, applying for drilling permits to test deep extensions of known antimony mineralisation. Metallurgical test work is planned on stibnite-silica vein samples to better understand processing characteristics.

Strategic Infrastructure Acquisition

In a move to accelerate potential production, Resolution has entered into an agreement to acquire 25 acres of private land adjoining the Horse Heaven Project. This site includes a tungsten and antimony processing mill, machinery, electrical power, and industrial water rights. The acquisition positions Resolution as one of the few U.S.-based companies with integrated processing capability for gold, antimony, and tungsten, potentially fast-tracking the pathway to production.

Outlook and Market Implications

The confirmation of a large, open-ended gold system at Golden Gate, combined with the presence of critical minerals and strategic infrastructure acquisition, places Resolution Minerals in a strong position within the U.S. critical minerals landscape. The project’s proximity to the Stibnite Gold Project and geological similarities suggest significant upside potential. Investors will be watching closely as further assay results and drilling updates unfold, which will be pivotal in defining the resource and advancing economic assessments.

Bottom Line?

Resolution Minerals’ Golden Gate discovery marks a promising start, but the true scale and economic potential will hinge on upcoming drill results and resource modelling.

Questions in the middle?

  • How will upcoming assay results from the remaining Phase-1 drill holes influence resource estimates?
  • What is the timeline and likelihood for securing the large-scale drill permit for expanded exploration?
  • How will the acquisition of processing infrastructure impact the project’s development schedule and capital requirements?