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Global Uranium Corp. develops a uranium exploration portfolio focused on projects in Wyoming and Saskatchewan. Company news centers on fieldwork at the Airline Project in Wyoming, including geological mapping, ground radiometric surveys, surface sampling, stratigraphic interpretation and drill-target development tied to the Wind River Basin and Copper Mountain District.
Updates also cover Global Uranium's earn-in interest in the Astro Project in the eastern Athabasca Basin, material agreements, capital-structure disclosures, operating and financial results, and technical reporting under Canadian mineral-exploration standards.
Global Uranium (OTC:GURFF) has started an Ambient Noise Tomography (ANT) survey at the Astro uranium project in the eastern Athabasca Basin, Saskatchewan. The company holds an option to acquire up to an 80% interest from Cosa Resources, having completed Phase 1 earn-in requirements.
The ANT work, focused on the AS-1 target area along a 25 km conductive corridor, will use 300 seismic sensors over about two months. It aims to produce high-resolution shear wave velocity models to refine geological interpretation, support drill targeting, and guide future ground EM surveys and diamond drilling.
Global Uranium (OTC: GURFF) has completed Phase 1 of its option agreement with Cosa and earned an initial 20% interest in the Astro Project in the eastern Athabasca Basin on April 20, 2026. Astro hosts a large land package; a 2025 ZTEM survey identified a 25-kilometre conductive corridor and priority targets.
The company may earn up to 80% over five phases by sole-funding exploration, cash payments and share issuances; further Ambient Noise Tomography and follow-up work are planned.
Global Uranium (OTC:GURFF) reported final results from a high-resolution 2025 ground radiometric survey at the Airline Project, Wind River Basin, Wyoming. The program collected ~56 kilometers of coverage with 25m line spacing and ~10m sampling intervals, refining 2024 anomalies and identifying new subtle anomalous zones for drill targeting.
RC-103 instruments and RS-125 scintillometer checks were used for QC; anomalies appear associated with stratigraphic contacts near a Tertiary–Archean unconformity considered favourable for uranium mineralization.
Global Uranium (OTC: GURFF) completed detailed geological mapping at the Airline Project, Wind River Basin, Wyoming, in late October 2025. Mapping validated key units including the Tertiary Wagon Bed Formation, Archean basement, Flathead Sandstone outcrops and arkosic sandstones.
Two priority targets emerged: the Wagon Bed–Archean unconformity and an arkosic "Scorpion Unit" with radiometric highs. Hand samples showed clay alteration, hematite after pyrite, and uranium-bearing minerals (autunite and possible metatorbernite). Results will integrate with radiometric, geochemical, and mineralogical data to refine 2026 drill-target development.
Global Uranium (CSE: GURN | OTC: GURFF) will complete an Ambient Noise Tomography (ANT) survey at the Astro Project in the eastern Athabasca Basin to refine high-priority structural targets and advance drill planning.
The ANT, run by CAUR Technologies as selected by project operator Cosa, follows a 2025 ZTEM survey that identified a 25-kilometre conductive corridor, seven target zones and three high-priority areas. The survey is expected to start in early June, finish in July, with final results due in August to support drill targeting and follow-up ground programs.
Global Uranium (OTC: GURFF) completed detailed geological mapping at the Airline Project, Wind River Basin, Wyoming, in late October 2025.
Mapping validated multiple units including the Wagon Bed Formation, Archean granite/monzogranite basement, Flathead Sandstone outcrops, and arkosic sandstones. Two priority targets were identified: the Wagon Bed–Archean unconformity with anomalous radioactivity and alteration, and an arkosic horizon called the “Scorpion Unit” with coincident radiometric highs. Hand samples show clay alteration and uranium-bearing minerals pending thin-section confirmation. Results will be integrated with radiometric, geochemical, and mineralogical data to refine 2026 drill targets.
Global Uranium (OTC: GURFF) completed its 2025 technical field program at the Airline project, Wyoming, in a nine-day fall campaign conducted by Big Rock Exploration. The program collected 56.27 line-kilometres of high-resolution ground radiometric data with RadiaCode RC-102 detectors and RS-125 scintillometer checks on north-south lines spaced 25 metres apart, plus detailed geological mapping and 16 rock samples sent to ALS Reno for assay.
Data will be cleaned, normalized, gridded and integrated into the regional exploration model, with lab results expected later this season and a finalized 2026 plan thereafter.
Global Uranium (OTC: GURFF) announced an expansion of its Airline Project land position in the Copper Mountain uranium district, Wyoming on November 26, 2025. The company said Big Rock Exploration staked three new BLM claim additions — 7 ha north, 205 ha west, and 134 ha east — increasing the Airline Project to approximately 664 hectares when combined with the original 60-hectare BLM claim block and a separate 258-hectare Wyoming State Mineral Lease located about 4–4.2 km from the original block. The newly staked parcels remain subject to standard BLM processing and final approval. The company said the larger, continuous footprint supports its long-term exploration strategy across favourable geological trends.
Global Uranium (OTC: GURFF) finalized work plans and selected Big Rock Exploration as contractor for an October 2025 field program at the Airline Project in Wyoming's Copper Mountain District.
A three-person crew (project manager + two geotechnicians) will spend ~one week on detailed radiometric surveying, geological mapping, and surface sampling to refine previously identified radiometric anomalies and to validate favorable stratigraphy and structural controls ahead of defining drill targets.
Qualified Person Jared Suchan, Ph.D., P.Geo., VP Exploration, reviewed and approved the release; QA/QC procedures are referenced in the company's NI 43-101 technical report available on SEDAR+.
Global Uranium Corp. (OTC: GURFF) has announced plans to commence fieldwork at its Airline Project in Wyoming's Copper Mountain District. The program aims to assess surface radiometric signatures and identify potential uranium targets near past-producing roll-front deposits.
The company's second round of fieldwork will focus on evaluating radiometric trends across priority claims and establishing a framework for identifying extensions of known mineralization. This phase will help refine survey design and prepare for future drill targeting programs.