Cosa Announces Commencement of Summer Drilling Program at the Darby Uranium Joint Venture with Denison Mines
Cosa Resources Corp. (TSXV: COSA) (OTCQB: COSAF) (FSE: SSKU) has started a summer drilling program at its Darby uranium project, a joint venture with Denison Mines Corp. (TSX: DML) (NYSE American: DNN). The program will drill up to 2,500 metres, targeting the Gamma and Bravo trends. Darby is located near Cameco’s Cigar Lake Mine. Cosa holds a 70% interest, with Denison holding 30%.
How this was made

The 30-second read
Why it matters
The announcement provides fresh operational data for a junior uranium explorer, potentially influencing its share price and sector sentiment.
Market read
First‑report of a funded drilling program; modest but material for investors tracking uranium exploration activity.
What to watch
The partnership with Denison and proximity to Cigar Lake could attract strategic investors if early results are positive.
Background
Cosa Resources announced the start of a fully funded 2,500‑metre summer drilling program at its Darby joint‑venture with Denison Mines in the Athabasca Basin.
Market effects
Uranium exploration sector may see increased interest as Cosa initiates funded summer drilling at Darby JV.
Potential positive impact on Canadian junior mining stocks, especially those with Athabasca projects.
Limited; primarily affects niche uranium investors and regional mining equities.
Counterpoint
Drilling results may be disappointing, leading to short-term price weakness despite funding.
Key entities
- companyCosa Resources Corp.
Canadian uranium explorer, operator of the Darby project.
- companyDenison Mines Corp.
Partner and 30% owner of the Darby joint‑venture.




