Power Minerals Ltd (ASX:PNN) Completes Final High-Grade Niobium and REE Drilling at Santa Anna
14 February 2026
Price Sensitive Announcement $
Highlights:
Final results from Power Minerals’ shallow auger drilling program to a depth of 15m have been received with excellent high-grade results. Majority of latest results confirm mineralisation from surface to end of hole (EOH) which indicates potential continuation of mineralisation at depth
▪ 9.5m at 4,994ppm TREO from surface to EOH, incl. 1m at 10,980ppm (or 1.10%) TREO from 6m in drillhole MN-TM-058
▪ 11m at 3,399ppm TREO from surface to EOH in drillhole MN-TM-059
▪ 5m at 14,025pppm (or 1.40%) TREO from surface to EOH, incl. 1m at 21,381ppm (or 2.14%) TREO from 4m to EOH in drillhole MN-TM-060.
▪ 10.5m at 5,373ppm TREO from surface to EOH in drillhole MN-TM-061
▪ 8m at 9,577ppm TREO from surface to EOH, incl. 2m at 14,926ppm (or 1.49%) TREO from 5m in drillhole MN-TM-062
▪ 7m at 4,228ppm TREO from surface to EOH, incl. 2m at 8,190ppm from surface in drillhole MN-TM-063
▪ 2m at 2,705ppm Nb2O5 from 7m in drillhole MN-TM-058
▪ 8m at 3,373ppm Nb2O5 from surface to EOH, Incl 1m at 8,277ppm (or 0.83%) Nb2O5 from 1m in drillhole MN-TM-062
Our recent shallow auger drilling results, combined with a comprehensive drone aerial magnetic–digital elevation model (DEM) survey of the entire complex, have confidently validated the strong resource potential in this area.
Power has launched an exciting 10,000m deep drilling campaign aimed at exploring niobium-rich phases to the east and south-east of our initial drilling efforts. This initiative is expected to significantly extend the niobium (Nb) and rare earth elements (REE) mineralised footprint at depth. We are thrilled about the opportunities this campaign presents.
Overview:
Power Minerals Limited has reported the final high-grade results from its now completed shallow auger drilling program targeting Nb-REE in the top 15 metres of a highly weathered, clay-rich layer at the Santa Anna Project, Brazil.
The latest, and final, results from the auger drill program come from drillholes MN-TM-58 to MN-TM-62, and highlight total rare earth oxide (TREO) results include:
- 9.5m at 4,994ppm TREO from surface to EOH, incl. 1m at 10,980ppm (or 1.10%) TREO
from 6m in drillhole MN-TM-058 - 11m at 3,399ppm TREO from surface to EOH in drillhole MN-TM-059
- 5m at 14,025pppm (or 1.40%) TREO from surface to EOH, incl. 1m at 21,381ppm (or 2.14%) TREO from 4m to EOH in drillhole MN-TM-060.
- 10.5m at 5,373ppm TREO from surface to EOH in drillhole MN-TM-061
- 8m at 9,577ppm TREO from surface to EOH, incl. 2m at 14,926ppm (or 1.49%) TREO
from 5m in drillhole MN-TM-062 - 7m at 4,228ppm TREO from surface to EOH, incl. 2m at 8,190ppm from surface in drillhole MN-TM-063
Highlight niobium (Nb2O5) results from holes MN-TM-58 to MN-TM-62 include:
- 2m at 2,705ppm Nb2O5 from 7m in drillhole MN-TM-058
- 8m at 3,373ppm Nb2O5 from surface to EOH, Incl 1m at 8,277ppm (or 0.83%) Nb2O5
from 1m in drillhole MN-TM-062.This vertical auger drilling is at a nominal orthogonal grid spacing of 80 metres.
The results from the final Power auger holes are considered impressive, demonstrating robust and consistent outcomes. It’s crucial to note that mineralisation extends all the way to the end of each hole, with the standout results in auger drillholes MN-TM-056 and MN-TM-057 occurring at the bottom of the holes (refer to the cross-section for details).
The mineralisation within the shallow auger drillholes is in contrast with the example of deep results from previous RC drillhole MN-RC-028 with 114m at 3,012ppm TREO from surface and 87m at 2,124ppm Nb2O5 from 24m, including 3m at 10,117ppm (or 1.01%) Nb2O5 from 24m1. A major, third stage, drilling program has commenced to test further the deeper parts of the alkaline carbonatite complex using the shallow auger and recent geophysics as a guide2
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Auger drilling was conducted systematically, testing a large shallow volume to an average depth of 13.2 metres. This approach has successfully provided continuous concentrations of Nb and REE across 3.4 million cubic meters, using only the Power Minerals Stage 2 auger holes and utilising a 40-metre buffer. This valuable data will play a key role in our upcoming Mineral Resource Estimation (MRE) calculations.
Power has engaged SRK Consulting to develop a maiden MRE for Santa Anna. The initial MRE is to be calculated from previous and historical drilling, and aims to establish a benchmark starting Mineral Resource while creating an optimised targeting model for the planned RC drilling. Importantly, this process will ensure that all drilling and sampling adhere to the highest industry standards. A high-level review and validation of the extensive current drilling data will also be included, which will greatly benefit future upgrades to the MRE.
It’s important to note that the current auger drilling results will not be included in the initial MRE but will be part of a follow-up MRE following the completion of the substantial third-stage (up to 10,000m) drilling program. Power is excited in these developments, and we are eager to see the outcomes of our teams’ continued efforts.
Company Notes:
Power Minerals Managing Director Mena Habib commented:
“We are thrilled to share that the final results from our recently completed shallow auger drilling program have once again yielded outstanding outcomes, aligning with our previous findings. These strongresults have reinforced our commitment to proceed with the newly initiated 10,000 metre reverse circulation drilling campaign. This is an exciting time for our project, and we are eager to see what this next phase of drilling will reveal.”
Full ASX Announcement: https://hotcopper.com.au/threads/ann-final-santa-anna-high-grade-ree-nb-auger-drill-results.9020746/