Impact Minerals (ASX:IPT) restarts exploration at Broken Hill amid renewed regional interest

Impact Minerals has moved to resume exploration across its extensive Broken Hill landholding in New South Wales, following a period of elevated commodity prices and an upswing in corporate and geological interest in the district.

The project, which covers 1,770 square kilometres of ground surrounding the historic Broken Hill mine, has been largely on care and maintenance in recent years while the company prioritised its High Purity Alumina work.

With metals such as copper, palladium, platinum, and silver all experiencing price strength, the company has now returned its focus to a region that has supported mining operations for more than a century.

Highlights

• Exploration to recommence across Impact’s 100% owned Broken Hill project.
• The project is prospective for large sedimentary or magmatic copper, nickel-copper-PGE sulphides, and Broken Hill-style silver-lead-zinc mineralisation.
• Previous work at Platinum Springs identified high-grade platinum group elements and Kambalda-style channel structures.
• A proprietary geochemical ratio developed in 2020 has improved vectoring toward high-grade zones.
• Follow-up programs to include targeted ground EM surveys and drilling.

Impact’s landholding is one of the largest tenement packages in the southern Broken Hill region.

The renewed exploration push follows corporate developments nearby, including Broken Hill Mines Limited acquiring the Rasp Mine and Pinnacles deposit, and South32 entering a joint venture over ground north of the Line of Lode.

These transactions have helped revive interest in the district after several quieter years, during which Impact continued to assess its ground position, where three distinct mineralisation styles have now been identified.

Earlier participation in the BHP Xplor program led to new concepts for targeting large copper systems that may sit at depth or be displaced relative to the traditional silver-lead-zinc lodes.

In parallel, ongoing review work has reaffirmed high-grade nickel-copper-PGE sulphide potential at Platinum Springs, Red Hill, and Rockwell-Little Broken Hill, where late-stage ultramafic to mafic intrusions are host to extensive mineralised zones.

At Platinum Springs, drill hole PSD02 intersected massive sulphide grading 7.6% copper and 7.4% nickel, alongside significant platinum group element values, over 0.6 metres from 57.4 metres depth.

Subsequent work identified structural channel features within the host intrusion, where higher-grade material occurs in ribbon-like geometries reminiscent of formation processes seen in Western Australia’s Kambalda district.

These channels remain open along strike and at depth, presenting multiple untested targets across the nine kilometre Moorkai Trend.

Further, the identification of a multi-metal geochemical ratio measurable via handheld XRF has provided a means of vectoring mineralisation in real time.

This technique allowed Impact Minerals to define coherent higher-grade trends during drilling, addressing one of the long-standing challenges of tracking mineralisation continuity in the district.

Managing Director Dr Mike Jones said,

“Given the recent sharp rises in precious metal and copper prices, and the area’s revitalisation following the recent acquisition of the famous Rasp Mine, some of our recently raised funds will be allocated to revamping our exploration efforts there.”

Near-term work will include detailed ground electromagnetic surveying to refine drill targeting, alongside broader reinterpretation of regional data to prioritise copper-focused opportunities.

The resumption of field activity at Broken Hill places Impact back among a cluster of explorers reassessing the district through modern geophysics, geochemistry, and reinterpretation of historical datasets.

While the region’s long production history is well known, its geological complexity means potential remains for discoveries that differ materially from those mined in past decades.

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