
Initial hole from Quebec pegmatite confirms heavy rare earths and niobium. CEO calls results modest yet sees potential for higher-grade intercepts. TIMA study will clarify mineralogy.
North American Niobium and Critical Minerals Corp. (CSE: NIOB) reported its first drill results from the Seigneurie project in Quebec's Grenville Province. The initial assays returned 76.7 parts per million dysprosium oxide over 10.00 metres and 528 ppm heavy rare earth oxide over 32.20 metres. The company described the results as "modest."
Dysprosium is a heavy rare earth used in permanent magnets and defense applications. Its price has stayed elevated since China tightened export controls in 2023. At 76.7 ppm, these grades sit well below what would rank as economic for a stand-alone deposit.
"This is a good result from Seigneurie: we've shown that the pegmatite carries niobium and rare earth mineralization that includes dysprosium," said Murray Nye, Chief Executive Officer. "Although modest, this discovery paired with a higher grade intercept in the vicinity could change the perspective of the whole property. We're going to continue with the planned, systematic exploration of our Québec portfolio before determining our next steps at this strategic asset."
The assays came from hole SGN-2026-007, which intersected a 105.45-metre pegmatite zone of pink-to-red K-feldspar with smoky quartz and Ti-magnetite. Handheld radiometric readings reached 1,400 counts per second. True widths have not been determined and will require an updated geological model.
Assay composites were calculated as length-weighted averages at cutoff grades of 40 ppm Dy₂O₃ and 200 ppm HREO. Interval boundaries sit at or above those cutoffs, with a maximum of 4 metres of internal dilution. Samples were NQ-size half-core, split along the core axis and sampled over intervals of roughly 0.5 to 1.0 metre. SGS Canada Inc. performed the analysis at an ISO/IEC 17025-accredited facility using sodium-peroxide-fusion ICP-MS for rare earths and fused-bead XRF for niobium. About 13% of submitted samples were QAQC standards.
The Qualified Person, Clyde McMillan, P.Geo., reviewed the technical information and verified the assay certificates. Approximately 5% of QAQC samples are still under review.
For a junior explorer, the next question is whether higher-grade intercepts exist nearby. A second hole returning significantly higher Dy₂O₃ grades, or TIMA results showing that the rare earths concentrate in a specific mineral phase that can be upgraded by standard processing, would confirm the thesis. The risk on the other side: subsequent drilling could fail to replicate even these modest grades, or the mineralogy could reveal the rare earths are locked in refractory minerals that resist conventional recovery.
The next catalyst for the project is the TIMA (automated mineralogy) study, which will determine the deportment of niobium and rare earths inside the pegmatite. That study should provide a more informative data point than the initial assays alone. The company plans to continue systematic exploration across its Quebec portfolio before determining next steps at Seigneurie. No timeline was given for the TIMA study or additional drilling.
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