CRML Reports Highest-Ever TREO Drill Results at Tanbreez, Signaling Resource Upside and Project Strength
New Assay Results Confirm Strength and Consistency at Tanbreez Heavy REE Project
Critical Metals Corp. (NASDAQ: CRML) has released its most promising assays to date from resampling 33 drill holes at the Hill Deposit within the Tanbreez Heavy REE Project. With total rare earth oxide plus yttrium (TREO+Y) grades reaching up to 0.94% across multiple intercepts and a weighted average of 0.44%, the results not only reinforce Tanbreez's potential as a world-class heavy rare earth asset but also reduce uncertainty ahead of the next phase of development.
The consistency of high-quality heavy rare earth elements (HREE), reflected in a strong average HREO proportion of 24.1% within TREO+Y, positions CRML favorably to support growing demand from strategic sectors such as electric vehicles, defense, and advanced technology.
Grades Consistently Strong Across Assays—Exceptional HREO Content
Across 33 resampled holes (1,014 individual samples), TREO+Y grades ranged from 0.31% to 0.94%, with several intervals exceeding the 0.9% mark. Gallium oxide (Ga2O3) values ranged 87–117 ppm, while zirconium oxide (ZrO2) reached as high as 3.81%, underscoring the multi-element value of the deposit.
Importantly, CRML’s rigorous QA/QC confirmation of the 2010 dataset showed excellent repeatability: assay grades fell within a tight 2–5% precision window, demonstrating both the historical robustness of results and a solid footing for further studies and development.
| Hole ID | Interval (m) | TREO+Y (%) | HREO Ratio (%) | Ga2O3 (ppm) | ZrO2 (%) |
|---|---|---|---|---|---|
| 10-D05 | 7 | 0.74 | 26.8 | 93 | 2.59 |
| 10-D14 | 5 | 0.81 | 28.7 | 95 | 3.37 |
| 10-D18 | 11 | 0.76 | 27.2 | 101 | 2.71 |
| 10-D22 | 5.6 | 0.94 | 29 | 95 | 3.81 |
| Weighted Avg | – | 0.44 | 24.1 | 101 | 1.41 |
Resampling Program Bolsters Confidence: Foundation for Growth and Strategic Supply
CRML’s resampling campaign verified the accuracy and auditability of historical results, crucially validating its resource base for investors and potential offtake partners. According to CEO Tony Sage, the integrity of the new and historical datasets, confirmed by stringent QA/QC, delivers a 'solid foundation' as technical studies and infill drilling gear up for 2026. This de-risks both development strategy and future project economics.
The current weighted average HREO content—key for supply chain competitiveness—offers tangible value uplift for the Tanbreez project, supporting not only resource expansion but also ongoing conversations with offtake and capital market partners.
Forward Plans: Infill Drilling and Resource Upgrade Targeted for 2026
CRML plans to launch priority infill drilling at Tanbreez’s Hill Deposit as part of its 2026 field program, aiming to upgrade current inferred and indicated resources to Measured status. This will be complemented by extension drilling to connect the Hill Zone, Upper Fjord, and Area B, along with continued metallurgical and permitting efforts.
The company’s ongoing technical work—grounded in the robust results reported today—is expected to further define the scale and quality of the deposit, underpin feasibility and fast-track project timelines.
Takeaway: Consistent High-Grade Mineralization and Robust Methodology Strengthen CRML's Strategic Position
With its latest drill results confirming both consistency and high concentrations of valuable heavy rare earths, CRML is strengthening its role as a reliable and strategic supplier to the clean energy, EV, and high-tech sectors. As infill drilling, feasibility, and environmental efforts continue, these results provide added confidence not only for stakeholders but also for CRML’s broader ambitions in the global rare earths industry.
For additional detail—including full drill tables and technical methodology—see the company’s press release and supporting visuals on their investor relations site.
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