Critical Resources Limited Unveils High-Grade Lithium Drill Intercepts and Expands Resource Base at Ontario’s Mavis Lake Project
Friday, June 27, 2025
at
8:27 am
Critical Resources Limited reports robust drilling results from its Mavis Lake Lithium Project in Ontario, with expanded high-grade lithium intersections in both the Main Zone and Tot Pegmatite. Superior assay data and rigorous QA/QC highlight the project’s strong potential, positioning it well for a future lithium market upsurge.
Critical Resources Limited has provided a comprehensive update on its drilling program conducted at the Mavis Lake Lithium Project in Ontario, Canada. The announcement details an extensive exploration campaign that has employed NQ2 diamond double-tube core drilling, with all core carefully oriented, logged, and half-cut using diamond saws. The results are fully compliant with the JORC 2012 Code, with 100% of key intersections being logged and systematically recorded. Assay samples were prepared and analyzed at an accredited laboratory, with regular insertion of standards and blanks to ensure quality control.
The technical report documents drill hole data from several series—designated MF24 and TL24—which record downhole lengths ranging from about 119 meters to over 400 meters. The assay results reveal consistent intersections of lithium-bearing spodumene pegmatite, with several intervals reporting high lithium oxide percentages. Although many grades are provided as downhole lengths, true width determinations remain under investigation pending further drilling. Detailed documentation of sampling techniques, core recovery measurements, and drill collar surveys (accurate to within roughly ±3 meters via Garmin GPS) demonstrates the strict protocols the company has established to support robust resource estimation.
The update also emphasizes that all exploration licences and mining claims underpinning the Mavis Lake Project are secure and in good standing, with active tenements and surface leases protecting a significant project footprint. Historical exploration by several other parties also supports the region’s potential, and the current data aggregation methods and sample compositing procedures confirm that the technical foundation is sound.
Looking ahead, the company is positioning the Mavis Lake asset for potential resource expansion. Future drilling programs are planned to refine geological continuity and true width assessments, with additional step-out drilling and geophysical surveys aimed at outlining further mineralisation. Environmental baseline work and community engagement initiatives are also underway, which will support permitting as the project moves closer to development in a rising lithium market.
Bullish sentiment arises from the strong drilling results, rigorous QA/QC measures, and robust sampling protocols—all of which suggest scalable high-grade lithium mineralisation that could underpin substantial resource growth. Furthermore, secure tenure and a history of exploration success in the area add confidence that the asset is well positioned for a future upswing in lithium demand.
Bearish sentiment may be noted in the inherent uncertainties typical of early-stage exploration. Further work is required to define true widths and delineate the extent of the mineralised zones, and market conditions or delays in permitting could postpone development. Some investors might be cautious until additional drilling confirms the continuity and scalability of the high-grade intersections.
Overall, the detailed technical reporting and systematic approach underscore Critical Resources Limited’s commitment to developing a strategically significant lithium asset to support a sustainable future.