Standard Uranium confirms high-grade uranium at surface on the Corvo Project, Saskatchewan
Standard Uranium Ltd. [TSXV: STND; OTCQB: STTDF; FSE: 9SU0] reported final assay results from its 2025 exploration programs the Corvo Uranium Project, Saskatchewan, currently under a three-year earn-in option agreement with Aventis Energy Inc. [CSE: AVE]
From July 4 to July 16, 2025, the company completed a detailed mapping and sampling program across historical uranium showings and zones of interest on the Project. Assay results confirm uranium mineralization across the Project, including high-grade surface mineralization at the Manhattan Showing.
Highlights – High-Grade Uranium at Surface: Verification of surficial uranium mineralization across the Project, including the historical Manhattan Showing with assay results returning uranium grades ranging from 0.72% to 8.10% U3O8 in outcrop grab samples.
Discovery of New Radioactive Showings: Scintillometer prospecting uncovered previously undocumented radioactive occurrences across the Project in favorable rock types for uranium and Rare Earth Element (REE) mineralization.
Ongoing Exploration: An extensive ground gravity survey is scheduled for December 2025, designed to identify density anomalies potentially representing hydrothermal alteration systems coincident with newly refined EM conductor trends across the project. A diamond drill program is being planned for Q1 2026 to begin testing targets developed and ranked through the successful programs executed in 2025.
“Our geochemical assays returning the highest uranium grades ever reported on the project increases our confidence and excitement, as we were able to repeat historic results and identify new areas of mineralization at surface,” said Sean Hillacre, President & VP Exploration of Standard Uranium. “We will continue to bolster our targeting strategy through the December ground gravity program leading into the first drill program on the Project in more than 40 years.”
Beginning July 4 and concluding July 16, 2025, the Standard Uranium technical team completed a detailed mapping, prospecting, and sampling program to ground-truth historical uranium showings at surface on the Project. Prospecting confirmed several uraniferous outcrops and boulders across the project, including at the Manhattan showing (0.72% to 8.10% U3O8).
A total of 30 outcrop and boulder grab samples were submitted to Saskatchewan Research Council Geoanalytical Laboratories in Saskatoon, SK for whole-rock, uranium, and REE geochemical analysis. Uranium and Total Rare Earth Element Oxides including Yttrium oxide (TREO) were assayed.
Supplementary geophysical surveys across the project have been designed to further refine drill targets for an inaugural drill program in 2026. The company will complete a high-resolution ground gravity survey across the main conductive trends on the project, aiming to identify potential hydrothermal alteration halos which could be related to basement-hosted uranium mineralization.
Ongoing geophysical interpretation and modeling is being completed to integrate historical surveys with newly collected datasets, which will provide high-priority drill targets and significantly derisk the Project prior to modern drilling in 2026.
The company believes the project is prospective for the discovery of shallow, high-grade basement-hosted uranium mineralization akin to the Rabbit Lake deposit and the recently discovered Gemini Mineralized Zone. Located just outside the current margin of the Athabasca Basin, Corvo boasts shallow drill targets with bedrock under minimal cover of glacial till.
Standard Uranium holds interest in over 235,435 acres (95,277 hectares) in the Athabasca Basin in Saskatchewan, Canada.
Standard Uranium’s eastern Athabasca projects comprise over 43,185 hectares of prospective land holdings. The eastern basin projects are highly prospective for unconformity related and/or basement hosted uranium deposits based on historical uranium occurrences, recently identified geophysical anomalies, and location along trend from several high-grade uranium discoveries.
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