Daily Mining Update (June 6, 2026) — Selected mining and natural-resource company updates from the last 24–48 hours, focusing on exploration, financing, and development milestones.
Uranium: enCore Energy completes first-phase construction at Upper Spring Creek ISR satellite plant
- enCore Energy said it completed the first phase of construction on the Upper Spring Creek ISR Uranium Project’s Satellite Remote Ion Exchange (IX) Plant. (Newswire.ca)
- The company said the currently constructed portion can process 1,600 gallons per minute (gpm), with flow capacity in the process of being doubled to 3,200 gpm total capacity. (Newswire.ca)
- enCore stated it expects 75% of flow capacity to be completed before the end of June, and 100% by the end of July, and that uranium extraction is expected to begin once final permits are received. (Newswire.ca)
Uranium (Athabasca): Cosa announces C$5.0M bought deal private placement
- Cosa Resources announced a bought deal private placement for gross proceeds of approximately C$5,017,550. (Newsfile)
- The offering includes Non-FT shares at C$0.60, Charity FT shares at C$0.99, and FT shares at C$0.70, with an over-allotment option of up to an additional C$750,000. (Newsfile)
- Cosa said its primary focus for the remainder of 2026 is drilling at the Murphy Lake North and Darby projects in the eastern Athabasca Basin (Saskatchewan). (Newsfile)
Gold (Ontario): Graycliff signs agreement to acquire 13 mineral claims in Sudbury district
- Graycliff Exploration reported it signed an asset purchase agreement (dated June 5, 2026) to acquire a 100% interest in 13 mineral claims located in Shakespeare Township within the Sudbury Mining District of Ontario. (MINING.COM (press release page))
- Deal consideration disclosed by the company includes C$10,000 cash and 300,000 common shares (with 150,000 shares in escrow until December 31, 2026), subject to customary closing conditions including CSE acceptance. (MINING.COM (press release page))
Lithium & Tin (UK): Cornish Tin & Lithium reports extension of lithium-bearing system and new tin discovery at Tregonning
- Cornish Tin & Lithium said Phase 3 drilling at its Tregonning project in Cornwall (UK) identified a larger lithium-bearing system and a newly identified lithium-bearing rock formation (the Newall Formation). (MINING.COM)
- The company stated the lithium-bearing system extends about 3.27 km from Tregonning North to Tregonning South, and cited earlier drilling at Tregonning North that included 0.3 m grading 1.33% Li2O (peak 1.42% Li2O). (MINING.COM)
- The company also reported a new tin mineralization system at Tregonning South, with tin grades cited up to 2.69% Sn (Norcross No.1 Lode), 1.26% Sn (Rib North), and 1.68% Sn (Rib South). (MINING.COM)
Copper-Nickel (Labrador): Viridian Metals highlights copper-rich zones at Kraken ahead of 2026 program
- Viridian Metals highlighted localized copper-rich zones at its Kraken magmatic sulphide system in Labrador, noting prior drilling (2024) intersected copper grades up to 4.15% Cu. (Business Insider (GlobeNewswire release))
- The company said it has announced a 50-hole drill program to systematically follow up on multiple copper-rich zones and expand the overall footprint of the system. (Business Insider (GlobeNewswire release))
This article is for informational purposes only and is not financial advice.
Sources: Company news releases and reputable mining/financial news outlets linked above.
