Critical Resources Limited showcased its diversified critical metals portfolio and advanced battery tech at its 2026 AGM, spotlighting growth prospects in lithium, gold, and base metals across Australia, Canada, and New Zealand.
- Mavis Lake lithium resource with 8Mt @ 1.07% Li2O
- Cap Burn gold project mirrors Rise & Shine discovery
- Halls Peak base metals resource includes high-grade silver
- Solid-state battery tech advances with US patent option
- Exploration and drilling plans underway for multiple targets
Lithium Resource Expansion Anchors North American Strategy
Critical Resources (ASX:CRR) reaffirmed its foothold in the North American lithium market with its Mavis Lake Project in Ontario, Canada. The maiden mineral resource estimate stands at 8 million tonnes grading 1.07% Li2O, underpinning the project's potential as a strategic lithium supplier. The company is actively developing an updated resource model following over 57,000 metres of drilling and has outlined an exploration target ranging between 18 and 29 million tonnes at 0.8–1.2% Li2O, indicating substantial upside beyond the current resource.
Complementing this, Critical Resources is leveraging its proximity to world-class infrastructure including highways, rail, clean hydropower, and an international port, which collectively offer a low-cost development pathway. The company has engaged SLR Consulting and Pathway Group to accelerate permitting and government advocacy efforts, aiming to streamline project advancement.
These developments build on the company’s recent multi-deposit lithium potential exploration program, which targets underexplored lithium corridors within the Mavis Lake district.
Gold and Tungsten Exploration Gains Momentum in New Zealand
In New Zealand, Critical Resources is advancing a diverse portfolio targeting gold, tungsten, and antimony across the Otago and Reefton regions. The Cap Burn Gold Project, situated just 11 kilometres from OceanaGold’s prolific Macraes operation, has confirmed an orogenic gold system through its first-pass RC drilling program. The project’s structural model draws heavily from Santana Minerals’ Rise & Shine discovery, suggesting significant untapped potential along a major shear corridor.
Follow-up drilling is scheduled for Q3 2026 to test down-plunge targets analogous to the Rise & Shine deposit, which was discovered after persistent exploration through barren cover. This strategy reflects the company’s confidence in replicating high-grade discoveries within a Tier-1 jurisdiction ranked 12th globally for investment attractiveness.
Meanwhile, the Croesus Project in the Reefton Goldfields is shaping up as a high-impact target with rock chip samples grading up to 28.9 g/t gold and tungsten assays reaching 42.6% WO3. This comes amid a resurgence of mining activity in the region, supported by established infrastructure and community backing. The company expects assay results from ongoing fieldwork by late Q2 2026, following its recent high-grade tungsten target expansion application.
Adding to the New Zealand momentum, early-stage exploration at the Lammerlaw Gold Project has confirmed 5.42 g/t gold at Devils Creek and uncovered a new 600-metre arsenic soil anomaly, setting the stage for targeted drilling campaigns. These findings complement Critical Resources’ broader portfolio work across multiple gold and antimony targets in the region.
Base Metals and High-Grade Silver at Halls Peak
Back in Australia, the Halls Peak Base Metals Project in New South Wales features a robust inferred resource of 0.84 million tonnes grading 3.7% zinc, 1.5% lead, 0.44% copper, 30 g/t silver, and 0.1 g/t gold. The project includes exceptional high-grade silver lodes, highlighted by intercepts such as 1.15 metres at 3,780 g/t Ag and 1.6 metres at 1,900 g/t Ag, underscoring its significant precious metal upside.
Strategically located within the New England Fold Belt, Halls Peak benefits from proximity to advanced projects like Larvotto Resources’ Hillgrove operations and Koonenberry Gold’s Enmore Project, aligning with regional structural trends. The company is progressing land access and soil geochemistry surveys, particularly at the Mayview prospect, which has returned antimony values up to 52.3% Sb.
Advancing Solid-State Battery Technology in the United States
Beyond mining, Critical Resources is pushing the frontier of battery technology with an exclusive U.S. option over granted patents for solid-state lithium-ion batteries. The company’s R&D model leverages world-class researchers and advanced infrastructure to validate early prototypes, focusing on safer, high-performance electrolytes that eliminate toxic solvents through Dry Supersonic Deposition manufacturing.
Recent results from the solid-state lithium-ion electrolyte program have demonstrated interface stability exceeding 1,200 hours, ionic conductivity of 3.2 mS cm⁻¹, and an activation energy of 0.27 eV, rivalling sulphide-class electrolytes without the associated risks of hydrogen sulphide gas. This technology targets high-temperature applications such as data centres, industrial storage, and defence sectors, enhancing safety and energy density.
The solid-state battery progress aligns with the company’s strategy to enhance optionality across partnerships, intellectual property generation, and commercial pathways, building on its sulphur-free electrolyte breakthrough announced just days prior.
Bottom Line?
Critical Resources is staking its claim across critical metals and battery tech, but the leap from exploration and prototypes to commercial success remains a horizon to watch closely.
Questions in the middle?
- Will upcoming drilling at Cap Burn validate the Rise & Shine structural model analogy?
- How will lithium market dynamics influence the development pace of Mavis Lake?
- Can the solid-state battery technology transition from promising lab results to scalable production?