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Kingfisher Mining has commenced a 3500m drilling campaign at its Copper Blow copper-gold project near Broken Hill in New South Wales, targeting extensions to known mineralisation ahead of a maiden mineral resource estimate (MRE).
The program will combine reverse circulation (RC) and diamond drilling to define the scale and continuity of the mineralised system, which remains open at depth and along strike.
An RC drill rig has commenced operations, with a diamond rig expected to follow within three to four weeks to accelerate the resource-definition campaign.
The latest drilling will build on previous exploration success at Copper Blow, where high-grade copper-gold intersections have strengthened the company’s confidence in the project’s development potential.
Standout results reported in July 2026 included 26m at 2.57 per cent copper and 0.75 grams per tonne (g/t) gold from 73m, including 13m at 4.07 per cent copper and 1.2g/t gold.
Further drilling returned 43m at 1.32 per cent copper and 0.32g/t gold from surface, including 17m at 2.46 per cent copper and 0.6g/t gold.
Other significant intersections included 13m at 1.2 per cent copper and 0.26g/t gold from 23m, and 58m at 0.67 per cent copper and 0.15g/t gold from 165m.
The latest campaign will investigate deeper extensions within the North Zone, while also testing targets identified through recent geophysical reviews.
Several of these targets lie outside Copper Blow’s currently defined mineralised zones, presenting opportunities to identify additional copper-gold mineralisation across the broader project area.
Kingfisher holds a 75 per cent interest in Copper Blow, with the remaining 25 per cent held by Broken Hill Mines (BHM).
Both Kingfisher and Broken Hill Mines entered into a mining and processing cooperation agreement in March, establishing a potential pathway for Kingfisher to access BHM’s existing Rasp Mine processing infrastructure.
The agreement covers Kingfisher’s broader Broken Hill tenement portfolio and provides a framework for negotiating future mining and processing arrangements, potentially reducing the need for standalone processing infrastructure.
Access to existing facilities could support a more capital-efficient development model, subject to further technical studies and commercial agreements.
Meanwhile, Kingfisher is continuing geological modelling and preliminary metallurgical testwork to better understand Copper Blow’s mineralisation and potential processing requirements.
The company said it will incorporate results from the current drilling campaign into its resource evaluation, alongside further assessment of the surrounding geophysical targets.
With drilling underway and additional exploration opportunities identified, Kingfisher is working towards establishing Copper Blow’s maiden MRE and evaluating its potential as a future copper-gold operation in the Broken Hill region.
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