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Cosa Resources Corp. (OTCQB: COSAF) provides investors with comprehensive updates on uranium exploration activities in Saskatchewan's Athabasca Basin. This page serves as the definitive source for corporate developments, technical reports, and strategic partnership announcements from one of Canada's most active uranium explorers.
Access real-time information on project milestones across Cosa's 237,000-hectare portfolio, including the Ursa Project and Denison Mines joint ventures. Our news coverage focuses on substantive exploration updates, geophysical survey results, and operational developments that impact long-term value creation in underexplored uranium corridors.
Key updates include drilling results from high-priority targets, partnership expansions with industry leaders, and technological advancements in uranium detection methods. Investors receive critical information about resource definition efforts and basin-scale exploration strategies without speculative commentary.
Bookmark this page for verified updates on Athabasca Basin exploration activities. Combine our news feed with Cosa's technical disclosures for complete analysis of their position in the global uranium supply chain.
Cosa Resources (OTCQB: COSAF) has initiated a 3,000-metre summer drilling program at the Murphy Lake North Uranium Project in Saskatchewan's eastern Athabasca Basin. The project is a joint venture with Denison Mines, where Cosa holds a 70% interest and operates the project, while Denison maintains a 30% stake.
The drilling program, the largest to date for the project, will include up to eight drill holes targeting the Hurricane and Cyclone trends. The program follows up on significant sandstone alteration discovered during winter drilling at the Hurricane trend. The project is strategically located 2.7 kilometers east of the Hurricane deposit, which is notably the world's highest-grade Indicated Uranium Resource.
Cosa Resources (OTCQB: COSAF) has reported results from ambient noise tomography (ANT) surveys at its Ursa and Orion uranium projects in Saskatchewan's Athabasca Basin. The surveys identified significant target areas characterized by kilometer-scale ANT velocity anomalies. At Ursa, two high-priority targets (U1 and U2) were identified along the 27-kilometer Kodiak trend, with initial drilling at U1 intersecting over 100 meters of continuous sandstone alteration and weak uranium mineralization. At Orion, three priority targets (O1, O2, and O3) were identified, each showing promising structural characteristics and measuring approximately 1.6-1.8 kilometers in length.
The company plans to conduct ground EM surveying at Ursa and reinterpret historical electromagnetic surveys at Orion before finalizing drill targets. Cosa's immediate focus will be on an expanded summer drill program at the Murphy Lake North Joint Venture, following encouraging results from winter 2025.
Cosa Resources has initiated airborne geophysical surveying at its Astro uranium project in Saskatchewan's Athabasca Basin. The survey, conducted by Geotech using their exclusive ZTEM system, is fully funded by partner Global Uranium under an agreement that allows Global to earn up to 80% interest in the project.
The comprehensive survey will cover over 1,460 line-kilometres of the 45,000-hectare property, which is strategically located within 30km of Cameco's McArthur River uranium Mine and 10km of CanAlaska's Pike Zone discovery. The ZTEM system will map conductive trends, potential hydrothermal alteration zones, and regional structures potentially related to nearby uranium deposits.
Following the survey, Condor Consulting will perform detailed interpretation of results, guiding future exploration work including Ambient Noise Tomography and ground-based electromagnetic surveys through 2025-2026. The most promising areas identified will be prioritized for drill testing in a phased exploration program.
Cosa Resources (COSAF) has entered into an option agreement with Global Uranium, allowing the latter to earn up to an 80% interest in Cosa's Astro uranium project. The agreement, effective April 8, 2025, involves total consideration and expenditure commitments exceeding C$10 million, with Cosa serving as the initial Project operator.
The Astro Project spans over 45,000 hectares in the eastern Athabasca basin, strategically located within 30 kilometers of Cameco's McArthur River uranium Mine and 10 kilometers from CanAlaska's Pike Zone discovery. The property features over 40 kilometers of unexplored magnetic low strike and multiple conductive trends, which have never been explored for extensions of structures related to the McArthur River and Fox Lake uranium deposits.
Cosa Resources Corp. (COSAF) has announced successful results from its inaugural drilling program at the Murphy Lake North Uranium Project in Saskatchewan's eastern Athabasca Basin. The program confirmed a 2-kilometer extension of the Hurricane deposit's geology. The project is a joint venture with Cosa holding 70% interest and Denison Mines holding 30%.
The final drill hole, MLN25-004, intersected a significant sandstone-hosted alteration zone, though overshooting the optimal target by 25 meters. The zone remains open along strike in both directions. The winter program completed four holes totaling 1,739 metres, successfully locating graphitic basement rocks and structures interpreted as the Hurricane deposit extension.
The company, having recently closed a C$6 million oversubscribed private placement, is fully funded for future exploration. Plans are being developed for a summer drill program, with drilling equipment remaining on-site to ensure cost-efficient follow-up operations.
Cosa Resources Corp (TSXV: COSA) (OTCQB: COSAF) has announced its participation in Red Cloud's 13th Annual Pre-PDAC Mining Showcase, taking place in-person at The Omni King Edward Hotel in Toronto on February 27 & 28, 2025.
Keith Bodnarchuk, President and CEO of Cosa Resources, will be presenting on February 28th at 11:40 AM Eastern Standard time. The conference will feature presentations from over 80 companies and facilitate more than 600 one-on-one meetings, along with exclusive keynote speeches from influential leaders in mining and finance.
This event offers networking opportunities and industry insights for shareholders and interested parties. Registration information is available on Red Cloud's website.
Cosa Resources Corp. (COSAF) has initiated core drilling at the Murphy Lake North (MLN) Uranium Project in Saskatchewan's eastern Athabasca Basin. The project is a joint venture with Denison Mines, where Cosa holds a 70% interest and serves as the operator. This marks the first drilling campaign at MLN since 2005, targeting areas near the Hurricane deposit.
The drilling program focuses on two main objectives: exploring the interpreted extension of the Hurricane deposit basement geology and evaluating a parallel trend with historical uranium mineralization intersections. The project's location is strategic, being just 2.7 kilometers east of the Hurricane deposit, which is recognized as the world's highest-grade Indicated Uranium Resource.
MLN features approximately six kilometers of conductive strike length, with unconformity depths ranging from 170 to 250 metres. Cosa is solely funding this drill program as part of its commitment to fund $1.5 million in exploration expenditures by December 31st, 2027.