Key highlights

• Kingfisher Mining has started a drilling campaign of about 3,500 metres at its Copper Blow Copper-Gold Project near Broken Hill.

• Reverse Circulation Drilling has begun, with a diamond rig expected to follow, as announced to the ASX on 3 November.

• The North Zone extensions are the main test, with the campaign aimed at a maiden copper-gold resource.

Kingfisher Mining (ASX:KFM) has started a drilling campaign of about 3,500 metres at the Copper Blow Copper-Gold Project near Broken Hill in New South Wales. The company told the ASX on 3 November that reverse circulation (RC) drilling had begun, with a diamond rig expected to arrive within three to four weeks.

The stated goal is to test the scale and continuity of the known copper-gold system and to move Copper Blow towards a maiden Mineral Resource Estimate. That is an important distinction. Kingfisher does not yet report a JORC resource at Copper Blow, so this programme is about building the geological confidence needed before any estimate can be made.

The results behind the campaign

The new work follows some of the strongest intersections recorded at the project. Kingfisher has reported 26 metres at 2.57% copper and 0.75 g/t gold from 73 metres, including 13 metres at 4.07% copper and 1.20 g/t gold. Another hole returned 43 metres at 1.32% copper and 0.32 g/t gold from surface, including 17 metres at 2.46% copper and 0.60 g/t gold from 16 metres.

Further results included 13 metres at 1.2% copper and 0.26 g/t gold from 23 metres, and 58 metres at 0.67% copper and 0.15 g/t gold from 165 metres. These are downhole intervals as reported; the source material reviewed did not state true widths, so readers should not assume the full intervals represent the actual thickness of mineralisation.

North Zone extensions are the main test

Much of the campaign will focus on the North Zone, where planned holes are designed to test interpreted extensions beneath and along strike from existing drilling. Company cross-sections show mineralisation within a broad quartz-biotite-magnetite-chalcopyrite shear zone, with several deeper sections still open.

Kingfisher will also drill newly identified geophysical targets, several of which sit outside the currently defined mineralised zones. The company's target map highlights multiple anomalies along a magnetic trend of roughly three kilometres. Geophysical targets carry higher uncertainty than drilled zones because a magnetic response does not necessarily indicate economic copper.

Ownership and infrastructure

Kingfisher holds a 75% interest in Copper Blow, with Broken Hill Mines holding the remaining 25%. The two companies also have a strategic mining and processing co-operation agreement, which could give the project access to existing regional infrastructure. Kingfisher believes this may offer a more capital-efficient route to development if the project advances, although no development decision or study has yet been completed.

A wider New South Wales portfolio

Copper Blow sits within a broader Kingfisher portfolio of around 700 square kilometres across established mining districts in New South Wales. The tenure includes copper-gold and silver-lead-zinc projects, giving the company scope for further exploration beyond the current programme.

Why this matters

Broken Hill is better known for silver, lead and zinc, so a coherent copper-gold system nearby would add diversity to the district's story. For Kingfisher, a small explorer, a maiden resource would be a meaningful step because it converts drill results into a defined, if preliminary, inventory that can be assessed by potential partners and funders.

Copper has drawn attention from investors because of its role in electrification and grids. That backdrop can help explorers raise funds, but it does not change the hurdles: Copper Blow needs enough recoverable metal to justify a resource and mining studies.

Next steps and limitations

Kingfisher will complete the RC and diamond drilling, receive and report assays, integrate the data into its geological model and continue preliminary metallurgical test work. Assay turnaround times, drilling conditions and funding will influence the pace. The company also released a notice of general meeting on 3 November, which shareholders may wish to review.