Critical Resources identifies 14 pegmatite targets at Mavis Lake lithium project

• Multiple pegmatites confirmed across under-explored northern corridor
• Assay results pending to advance mine-to-market lithium strategy
• Field exploration program successfully completed at Corona pegmatite field
• Potential new follow-up target identified

Critical Resources (ASX:CRR) has confirmed 14 pegmatite targets following the successful completion of a surface exploration program at the Corona prospect at the Mavis Lake lithium project in Ontario, Canada.

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The company is now planning to integrate the new information from the program with existing geological, geochemical and geophysical datasets to identify and rank the highest-priority drill targets across the northern Mavis Lake corridor.

MD, Tim Wither, said this will help advance the company’s multi-deposit lithium district strategy.

“The northern corridor at Mavis Lake is significantly under-explored relative to the scale of the Mavis Lake LCT pegmatite system. This program has confirmed that — 14 pegmatite bodies identified, six of them new, across ground that had not been systematically prospected. That’s exactly the kind of result that sharpens our targeting and builds confidence ahead of drilling,” he said.

“With assay results due in three to four weeks, we will have the geochemical data to rank these targets and confirm our highest-priority drill locations. The 2026 Northern Prospects campaign is designed to advance Gullwing toward resource definition while generating the dataset we need to evaluate the broader district — and this program has materially strengthened that foundation.

“What we’re building at Mavis Lake is not just a resource — it’s the upstream anchor of a fully integrated lithium strategy. The northern expansion work connects directly to our objective of growing Mavis Lake into a multi-deposit district and that district sits at the base of a value chain that extends through to our solid- state lithium-ion battery technology development underway in the United States. That end-to-end positioning is what distinguishes CRR from a conventional explorer, and it is what we are systematically building toward.”

The recently completed 10-day program covered the Corona pegmatite field and adjacent northern target areas, located approximately four km north of CRR’s existing 8.0 million tonnes (Mt) at 1.07% lithium oxide mineral resource.

The team completed systematic prospecting, geological mapping, and structural data collection, returning 106 rock samples, 161 outcrop maps and 74 structural measurements.

CRR is down 12.5% to 0.7¢. Mkt cap $25.55M.

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