Resource Growth at Risk? Broad Drill Spacing Leaves Questions at Tanbreez Project

Overview of 2025 Drilling Results

Critical Metals Corp (Nasdaq – CRML) has announced the final assay results from its 2025 diamond drilling campaign at the Tanbreez Rare Earths Project in southern Greenland. The results reveal extensive and consistent rare earth mineralisation across two key areas – Area B and the Fjord Deposit. These findings bolster the project's status as a significant, long-life rare earth asset with strategic importance for electrification and advanced technologies.

Area B – Expanding the Known Mineral Footprint

Area B, situated immediately east-northeast of the established Hill Zone Deposit, has demonstrated broad intervals of mineralisation over a 1,750-metre corridor. Despite the relatively broad drill spacing, the assays indicate strong geological and grade continuity, with TREO+Y grades typically ranging from approximately 0.35% to 0.77%. Notably, heavy rare earth oxides make up about 25.7% of the total rare earth content, underscoring the quality of the mineralisation. These results suggest significant lateral extension potential, warranting further infill and extension drilling in 2026 to better define the resource.

Fjord Deposit – Consistent Grades and Open Mineralisation

The Fjord Deposit continues to impress with mineralisation confirmed near surface and exhibiting strong lateral and vertical continuity. Assay results from drill holes 25-D14 and 25-D15 at the northeastern end confirm that mineralisation remains open along strike. The TREO+Y grades here range from 0.38% to 0.41%, with heavy rare earth oxides comprising around 26%. The presence of strategic metals such as gallium, hafnium, cerium, and yttrium further enhances the deposit's value and strategic importance.

Strategic Implications and Next Steps

CEO Tony Sage expressed optimism about the drilling outcomes, highlighting the potential for resource growth and the expansion of the project footprint. The new assay data is expected to contribute additional mineralised tonnage to the existing Hill and Fjord Deposits, supporting a potential uplift in scale and continuity. Critical Metals is preparing for an active 2026 field season, focusing on extension and infill drilling to optimise future pit designs and advance mineral resource studies. These efforts aim to de-risk the project and position Tanbreez for critical development milestones.

Broader Context and Market Position

Tanbreez is one of the world’s largest rare earth deposits, strategically located with year-round shipping access via deep water fjords. The project’s mineralisation is hosted in a unique peralkaline igneous complex, offering exposure to multiple critical metals essential for clean energy technologies and defense applications. Critical Metals’ portfolio also includes the Wolfsberg Lithium Project in Austria, further cementing its role as a key supplier of critical minerals to European and Western markets.