en.Wedoany.com Reported - F3 Uranium Corp (TSXV: FUU, OTCQB: FUUFF) has initiated a DIAS32 IP and resistivity geophysical survey on its 100%-owned Broach Lake property, aiming to generate a 3D image of the high-grade uranium mineralization discovery at the Tetra zone and systematically generate drill targets. The survey comprises three lines designed to image chargeability and resistivity distributions associated with the Tetra structure. F3 Uranium announced this high-grade uranium mineralization discovery in a news release dated July 7, 2025.
The Tetra zone is located within the Clearwater geological domain, characterized by a very high magnetic susceptibility profile and historically weak conductive responses, with very limited previous exploration. F3 Uranium pioneered a new deposit model and achieved this discovery in its first exploration drilling program. The survey is expected to take approximately 30 days to complete. Core physical property studies at the University of Saskatchewan have identified measurable resistivity contrasts within the structure hosting the Tetra zone, which exhibits lower resistivity than the surrounding host rocks. This IP survey aims to identify this contrast from surface, which will then be integrated with conductive responses obtained from previous ground electromagnetic surveys in the area.
The Tetra zone lacks the conductive minerals (graphite and sulfides) typically associated with uranium-bearing structures and is overlain by highly conductive Cretaceous mudstone, introducing significant noise, constituting its unusual geophysical signature. Upon successful completion and interpretation of the survey, F3 plans to extend the survey coverage in both directions along strike. Sam Hartmann, Vice President of Exploration, commented that the discovery at the Tetra zone is transformative, marking the first uranium discovery within the Clearwater domain. Many uranium discoveries in the basin are considered "blind" discoveries and rely heavily on geophysical surveys due to the general lack of outcrop and thick Quaternary cover within the Athabasca Basin, particularly on the western side and in the Patterson Lake area. Exploration at the Tetra zone is more challenging due to the very subtle geophysical property contrasts of the mineralized structure. Historical drill hole PAT-16-002, located 1.2 km southeast of Tetra, returned a grade of 423 ppm U over a 0.5-meter interval, the highest uranium value recorded in any single exploration core sample outside the JR and Tetra zones in the PLN project (see news release dated July 21, 2025).
F3 Uranium's 100%-owned Patterson Lake North Project (PLN) covers approximately 42,961 hectares and is located on the southwestern edge of the Athabasca Basin. The project is proximal to Paladin's Triple R and NexGen Energy's Arrow high-grade uranium deposits, an area poised to become the next major development hub for uranium operations in northern Saskatchewan. The PLN project comprises three claim blocks: the Patterson Lake North claim block (4,074 hectares) hosting the JR zone uranium discovery, the Minto claim block (19,864 hectares), and the Broach claim block (19,022 hectares) hosting the Tetra zone. All three claim blocks are accessible via Highway 955.
Technical information in this news release has been prepared in accordance with National Instrument 43-101 and approved on behalf of F3 Uranium Corp by Raymond Ashley, P.Geo., President and Chief Operating Officer, a Qualified Person. Mr. Ashley has reviewed and approved the disclosed data. This news release also references adjacent properties in which F3 Uranium Corp does not hold an interest; the Qualified Person is unable to verify this information, and mineralization on adjacent properties does not necessarily indicate mineralization on the PLN project.
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