NexGen Energy Ltd. (TSE: NXE) (NYSE: NXE) (ASX: NXG) drilled its best hole to date, intersecting high grade uranium, and expanding its shallow inner high-grade subdomain at its Patterson Corridor East (PCE) in Saskatchewan.
Announced on Monday, drillhole RK-25-232 discovered 3.9 meters of >61,000 counts per second (cps) within a larger 13.8-meter mineralized interval starting at 452.2 meters, confirming a rich uranium concentration.
Furthermore, experts use counts per second as a unit in radiometric measurements to quantify radioactivity. This represents one of the shallowest high-grade intersections at PCE. Further, it remains open in all directions, including 300 meters up dip, within competent basement rock.
Four additional winter drillholes, each at least 50 meters from RK-25-232, also encountered high-grade intercepts containing >61,000 cps. This expanded the high-grade subdomain to 210 meters along strike and 335 meters vertically.
This marks a doubling in size since November 2024. At that time, the subdomain measured 100 meters along strike and 170 meters in vertical extent.
The intercept is geological exceptional, according to Leigh Curyer, NexGen’s CEO. It also represents a transformational moment taking PE into a category that rivals the Arrow deposit in the Athabasca basin.
“Discovering mineralization of this intensity so early in our 2025 program outpaces the success pattern experienced at the Arrow Deposit,” said Curyer.
“Incredible, considering Arrow’s status on the world stage. To put this into context, the width of high-grade intense mineralization in RK-25-232 at PCE was first encountered at Arrow well into the delineation phase of resource definition.”
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Drilling has delivered best-ever intersection
PCE has advanced rapidly over the past year. It’s evolved from the initial discovery of new vein-type basement-hosted uranium in February 2024 to a rapidly expanding mineralized footprint and growing high-grade zones.
Meanwhile, drilling in RK-25-232 has now delivered the best-ever high-grade intersection. An interpreted 3D model visually represents the scale and setting of the mineralization.
“Another exciting evaluation milestone has been achieved by intersecting the surge of mineralization intensity in RK-25-232,” said Jason Craven, vice president of exploration.
The company’s focus now shifts to expanding the high grade subdomain while investigating for natural repetition in the mineralized footprint.
This information comes on the heels of the company’s announcement earlier this month that the Canadian Nuclear Safety Commission (CNSC) had scheduled commission hearings for the Rook I project.
NexGen began the regulatory Environmental Assessment process in April 2019. It received Provincial EA approval in 2023. Also, it completed the Federal technical review and final acceptance of the Federal Environmental Impact Statement.
All local communities in the project area have endorsed the project through Impact Benefit Agreements. NexGen and its Indigenous Nation partners are evaluating the timing of the hearings in relation to the project’s development.
