Prospect Resources (ASX:PSC): What Do New Copper Intercepts Add to Nyungu Central?

Aditi Sarkar

11 November 2026 08:26 PM AEDT

Prospect Resources (ASX:PSC): What Do New Copper Intercepts Add to Nyungu Central?

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Highlights

Nyungu Central step-out hole NCDD052 returned two copper intervals beyond the currently defined mineral resource.
The reported intersections include 24 metres at 0.78% copper and 20 metres at 0.91% copper.
Prospect reported completion of 45 Phase 3 diamond holes totalling 14,128 metres.
Resource updates and a Mumbezhi scoping study are planned, with the latter targeted for Q1 2027.

Prospect Resources Limited (ASX:PSC) explores and develops mineral projects in southern Africa, with its 90%-owned Mumbezhi Copper Project in north-western Zambia central to its current work. Its November 2026 Nyungu Central drilling update describes copper intersections outside the existing resource boundary. The results add geological information ahead of resource estimation and a planned scoping study, but do not themselves establish additional mineral resources.

Step-Out Results on the Eastern Flank

At Nyungu Central, hole NCDD052 intersected 24 metres at 0.78% copper from 276 metres and 20 metres at 0.91% copper from 375 metres. Both intervals were reported beyond the defined mineral resource. An earlier part of the same hole also returned 32.8 metres at 0.54% copper from 28 metres. Prospect Resources (ASX:PSC) considers the deeper results relevant to an emerging eastern zone, but continuity and dimensions remain to be defined by further drilling. The distances reported are downhole positions and intervals; they should not be interpreted as a defined mineable thickness. The result does not change the currently reported contained-metal inventory.

Infill Drilling and Resource Context

Other Phase 3 results include 37 metres at 0.52% copper from 228 metres in NCDD042 and approximately 38.7 metres at 0.64% copper from 127 metres in NCDD046. A re-entry of NCDD003 returned 12.7 metres at 0.67% copper from 511 metres. These holes serve different purposes: infill drilling tests the distribution of known mineralisation, while step-out holes test areas beyond the existing estimate. Mumbezhi was reported in May 2026 to host 208.1 million tonnes at 0.42% copper, containing approximately 877,000 tonnes of copper, across Indicated and Inferred classifications. Prospect Resources (ASX:PSC) cannot assume that grades in selected step-out intervals will apply throughout the deposit. Any change to tonnage or grade requires formal estimation.

Drilling Programme and Studies

The company reported 45 Phase 3 diamond holes completed at Nyungu Central, totalling 14,128 metres. Four diamond rigs were working across the broader project, with two at Nyungu Central and two undertaking regional work at Kamafamba and Chipimpa. Assays remained outstanding for infill and extension holes at the time of the update. Prospect Resources (ASX:PSC) expects to incorporate additional geological evidence into resource updates for Nyungu Central and Kabikupa before issuing a Mumbezhi scoping study targeted for the first quarter of 2027. A scoping study is an early economic assessment, not an approval to construct or a demonstration of a profitable Mining operation. Its conclusions will depend on mining, processing and infrastructure assumptions.

Technical and Execution Considerations

The latest intercepts provide targets for further interpretation, yet mineralisation remains open and the geometry of the new zone is not fully constrained. Orebody continuity, metallurgical recovery and the scale of a potentially economic mining operation must still be assessed. For Prospect Resources (ASX:PSC), near-term evidence will come from the remaining assay results and any revised mineral resource statement. Those steps should clarify whether the eastern intersections materially affect project design, rather than merely adding isolated high-grade results. The company has not announced an ore reserve or a final Investment decision for Mumbezhi.

Key Insights

Prospect Resources (ASX:PSC) has identified additional copper intersections beyond its existing Nyungu Central resource while continuing infill and regional drilling. Pending assays, resource revisions and the proposed Q1 2027 scoping study will determine how these observations influence the larger Mumbezhi development assessment.

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