IsoEnergy and Purepoint report high-grade uranium discovery at Dorado

Published 18/09/2025, 11:40
IsoEnergy and Purepoint report high-grade uranium discovery at Dorado

TORONTO - IsoEnergy Ltd. (NYSE American:ISOU) (TSX:ISO) and Purepoint Uranium Group Inc. (TSXV:PTU) (OTC:PTUUF) announced Thursday significant uranium findings from their 50/50 joint venture Dorado Project in Saskatchewan’s Athabasca Basin. IsoEnergy’s stock has shown strong momentum, gaining over 19% year-to-date and 23% over the past year, according to InvestingPro data.

Drill hole PG25-07A returned 2.1 meters grading 1.6% U₃O₈, including a high-grade section of 0.4 meters at 8.1% U₃O₈, according to partial assay results from the summer drilling program. The hole also yielded an additional 4.9 meters at 0.52% U₃O₈.

These results represent the most significant assay intervals reported to date from the Nova discovery zone. Select samples were fast-tracked for assay to confirm uranium grades, with full assays from all holes still pending.

The companies completed 5,030 meters across 11 holes before regional wildfires curtailed the planned 5,400-meter summer program. The wildfires limited helicopter access and created hazardous field conditions, forcing the deferral of drilling at the nearby Celeste project, another joint venture between the two companies.

Additional drilling at the Serin and Turaco targets within the Dorado Project provided data for calibrating the project’s geophysics. At the Serin Grid, anomalous radioactivity was detected in one of two holes drilled, with readings up to 1,200 CPS from the downhole gamma probe.

The Dorado Project encompasses more than 98,000 hectares of uranium exploration ground with shallow unconformity depths between 30 and 300 meters, allowing for efficient drilling operations.

Both companies are awaiting full geochemical assays and structural interpretations from the 2025 drill program to support planning for follow-up drilling in early 2026, which will focus on expanding the Nova discovery and testing priority corridors across the broader property. InvestingPro analysis shows IsoEnergy maintains a "GOOD" Financial Health Score of 2.62, with a favorable P/E ratio of 5.94. For deeper insights into uranium sector valuations and exclusive ProTips, upgrade to InvestingPro to access our comprehensive financial analysis tools.

The information in this article is based on a press release statement from the companies. Track IsoEnergy’s real-time performance metrics, access detailed financial analysis, and receive expert insights with an InvestingPro subscription.

In other recent news, IsoEnergy Ltd. and Purepoint Uranium Group Inc. have announced significant developments at their 50/50 Dorado joint venture in Saskatchewan’s Athabasca Basin. The companies reported that their initial drill program intersected uranium mineralization in two drill holes, with notable downhole gamma probe readings reaching up to 79,800 counts per second. Additionally, a subsequent drill hole, PG25-07A, extended high-grade uranium mineralization, with an average of 11,100 counts per second across a 14-meter interval. This drilling took place approximately 70 meters northeast of previous intercepts at the Q48 target area. Furthermore, IsoEnergy Ltd. held its annual general meeting virtually, where shareholders approved all matters presented, with participation from 63.95% of the company’s issued and outstanding shares. These developments highlight ongoing progress in their exploration efforts and corporate governance activities.

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