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- High-grade LCT pegmatite discoveries in surface exploration works
- High-grade discovery located 22 km west of cornerstone CV5 pegmatite deposit
- Cosma, Felix and Drakkar pegmatite clusters extend Mickel trend
PMET Resources (ASX:PMT) has made multiple new LCT pegmatite discoveries at its flagship Shaakichiuwaanaan property in James Bay, Quebec, Canada.
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The company has also had further drilling success within its broader portfolio of James Bay properties,
The drilling wins come for PMET at its key CV5 and CV13 pegmatite properties, with exploration activities continuing within the near-field core Shaakichiuwaanaan area and across the adjacent regional tenure.
The Shaakichiuwaanaan property is the company’s flagship asset and hosts one of the largest pegmatite mineral resources and mineral reserves of lithium in the world.
The company recently announced a robust lithium-only feasibility study for CV5, which positions the project as a potential North American critical mineral powerhouse.
That world class position has been boosted by the recent discoveries of several outcropping and well-mineralised lithium, caesium and tantalum (LCT) pegmatite discoveries at Shaakichiuwaanaan in recent surface exploration.
This includes the Cosma pegmatite outcrop, which returned significant grades of caesium and tantalum in initial grab sampling in 2025, Follow-up channel sampling confirmed the significance of the surface exposure.
Notably, the new high-grade caesium pegmatite discovery at Cosma is situated 22 km west of the cornerstone CV5 pegmatite deposit.
The Cosma pegmatite is expressed at surface as a 8.0m by 4.0m white outcrop and is open in multiple directions.
It is the westernmost occurrence of caesium pegmatite encountered at Shaakichiuwaanaan to date.
CEO and MD, Kenneth Brinsden, said the discovery is very encouraging, as most caesium deposits (apart from the world-class Vega caesium zone at the CV13 pegmatite held by the company) tend to be on the order of tens- to hundreds-of-thousands of tonnes.
He noted that relatively small occurrences can mark very material discoveries – especially when exposed at surface. The company intends to follow-up on this discovery during the 2026 surface program.
The company is currently planning follow-up surface work in 2026 at its Shaakichiuwaanaan, Pikwa (inaugural program) and Eastmain properties, and is evaluating options for the next stage of exploration at Pontax.
PMT is steady at 72.3¢. Mkt cap $132.8M.
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