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Prospect Resources is pleased to provide a further update on its ongoing Phase 3 drilling and regional exploration programmes at the Mumbezhi Copper Project (90% Prospect) (Mumbezhi) in north-west Zambia.
Prospect’s Managing Director and CEO, Sam Hosack, commented:
“This new extensional hole NCDD052 has dramatically opened up the prospectivity of a substantial area on the eastern margin of our flagship Nyungu Central deposit. We have responded to this new opportunity by re-allocating extensional diamond metres to the current drilling campaign at Nyungu Central. This allows us to rapidly undertake follow-up testing of this emerging new eastern zone and also incorporate any meaningful new discoveries into our Mineral Resource updates which precede and support the Mumbezhi Scoping Study in Q1 2027.”
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High-grade copper intercepts returned from eastern flank of Nyungu Central
New assays have been returned from the ongoing Phase 3 Mineral Resource estimate (MRE) infill and extensional drilling programme at Nyungu Central, outlining a new eastern zone.
Drill hole NCDD052 was initially designed to target copper mineralisation up dip from existing holes on cross section 8630150mN in the southern part of the Nyungu Central deposit and returned an exceptional shallow intersection of 32.8m @ 0.54% Cu from 28m.
This hole was subsequently extended to test defined airborne electromagnetic (AEM) anomalies interpreted at further depth and intersected two new high-grade intercepts in the vicinity of those
electrically conductive anomalies, returning 24m @ 0.78% Cu from 276m and 20m @ 0.91% Cu from 375m. These intercepts are located in positions where no copper Mineral Resources are presently defined.
This newly identified copper mineralisation appears to envelop a thick mafic intrusive unit (amphibolite) in a geometry and position that closely resembles that of the recently discovered southeastern lobe (also associated with AEM anomalies), located approximately 450m southeast of the new NCDD052 intersections.
Further drilling on the eastern flank (including a number of re-entries of historical and Prospect holes) has since been completed.
To properly ascertain the potential of this eastern flank at Nyungu Central, Prospect has elected to re-allocate extensional diamond drilling metres from the Phase 3 programme for this purpose. This work, along with pending assays from several other holes already completed along this prospective zone (NCDD056, NCDD057, NYDD055, NYDD056 and NCDD040), will test the extent and continuity of the lightly drilled area.
Results for a re-entry (hole NCDD003 – initially completed by Prospect in 2024) returned 12.7m @ 0.67% Cu (incl. 0.09g/t Au and 0.03% Co) from 511m, after transecting a mafic intrusive unit. This hole shows that the scale of the mineralisation system present at Nyungu Central is more extensive than had hitherto been interpreted and indicates that orebody continuity is open at depth to the west, and critically, up-plunge to the south towards surface.
Further strong intercepts from infill drilling of Nyungu Central Infill drilling of the Nyungu Central Mineral Resource also continues to return excellent intersections, with residual assays from the base of infill hole NCDD042 producing the following significant intersections:
- 37m @ 0.52% Cu from 228m (including 0.03% Co and 0.07 g/t Au); and
- 8.0m @ 0.50% Cu from 217m
Assays from infill hole NCDD044 also returned the following significant intersections:
- 9.2m @ 0.81% Cu from 467m; and
- 7.4m @ 0.73% Cu from 133m
New assays have also been received from MRE infill drill holes NCDD043 and NCDD046 on section 8629700mN, where no historical work had taken place. Both holes proved to be well mineralised, and hence will help refine interpretations for the Nyungu Central MRE in that area.
Significant results included:
- 38.7m @ 0.64% Cu from 127m and 14m @ 0.34% Cu from 56m (NCDD046); and
- 30m @ 0.53% Cu from 90m, 4.5m @ 0.86% Cu from 127m and 3.4m @ 0.99% Cu from 144m (NCDD043)
MRE infill hole NCDD047 was drilled on section 8629650mN, and targeted westerly extensions to the existing Indicated and Inferred Mineral Resources at Nyungu Central.
The hole produced two narrow downhole copper intercepts, including 4.4m @ 0.38% Cu from 126m and 1.9m @ 0.38% Cu from 98m, which will refine the interpretations for the transitional mineralisation intersected there.
These new results have returned a number of relatively shallow intercepts at high copper grades, along with some elevated values of by-product cobalt and gold.
Assay results for twenty-seven (25) diamond holes remain pending from Phase 3 drilling at Nyungu Central, of which 12 Mineral Resource infill holes and 15 resource extension holes have been identified as priority.
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