Myriad Uranium Reports Encouraging HPSA Test Results at Copper Mountain

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Summary · why it matters

Myriad Uranium Corp. announced that an initial 2026 testing campaign by DISA Uranium Corporation on samples from its Copper Mountain Uranium Project in Wyoming showed that high-pressure slurry ablation technology can reduce rock mass by about 70% while producing a three-fold increase in uranium grade. Myriad provided approximately 50 kg of sample material from its 2024 drilling campaign at Canning for the HPSA testing, which collides two slurry streams at high pressures to liberate minerals from gangue material. ICP-MS results showed the total percent reduction of uranium concentration in the clean coarse material ranged from 74.5% to 87.9%, while total percent recovery to the fines concentrate ranged from 83.9% to 90.6%. At the first time interval, 83.9% of the uranium was recovered in 29.3% of the mass, and at the second time interval recovery rose to 90.6% of the uranium in 37.5% of the mass. Radionuclide analysis showed a 78.8% reduction in Ra-226 activity and an 83.5% reduction in Th-230 activity in the clean coarse material. CEO Thomas Lamb called the results highly encouraging but said more testing will be required at scale, and the company noted that early leach testing by Hazen Research in 1976 for Union Pacific found greater than 92% uranium recovery using a dilute sulphuric acid leach, which combined with a preconcentration method such as HPSA could significantly reduce overall beneficiation costs.

Impact on assets 3

Critical Materials & Supply Chain▲ · 1 stocks
Industrials▲ · 1 stocks
Others▲ · 1 stocks

Theme Impact 2

Off-coverage companies 3

Myriad Uranium CorpPrivate▲ Positive
Technologyrelevance

HPSA test results showed ~70% rock mass reduction and three-fold uranium grade increase, an encouraging R&D/processing breakthrough for Myriad's Copper Mountain project.

DISA Uranium CorporationPrivate± Mixed
relevance

Hazen ResearchPrivate± Mixed
relevance

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