Daily Mining Update (July 12, 2026) — A quick look at notable exploration and company updates published over the past ~48 hours across the mining and natural-resources space.
1) Copper One Resources: high-grade copper-silver sample reported from Majuba Hill (Nevada)
Copper One Resources reported results from underground breccia mapping and sampling at the historic Middle Adit on its Majuba Hill Copper-Silver-Gold Project in Nevada, including sample MHR-793 grading 10.5% Cu and 188 ppm Ag. (6ix / TheNewswire release)
The company said drilling is underway on an initial AI-designed core hole and highlighted that underground mapping confirmed breccia styles consistent with surface mapping and identified an additional breccia corridor. (6ix / TheNewswire release)
2) Arizona Metals: final 2025 Sugarloaf Peak drill results (Arizona)
Arizona Metals published its third and final round of results from its 2025 reverse-circulation drill program at the Sugarloaf Peak Gold Project in Arizona, reporting highlights including 91.4 m @ 0.69 g/t Au (including 1.5 m @ 25.5 g/t Au) in hole SP-25-28 and 123.4 m @ 0.31 g/t Au in hole SP-25-29. (Arizona Metals press release)
The company said all six of the final drill holes intersected mineralization and noted total drilling to date on the project (2025–2026) of 5,186 m in 25 RC holes. (Arizona Metals press release)
3) Mining.com: additional releases to watch
Mining.com’s releases feed continues to list a range of issuer updates across financings, corporate actions, and exploration results; if you follow daily flows, it can be a helpful starting point for discovering new company announcements. (MINING.COM)
This article is for informational purposes only and is not financial advice.
Notes: The items above summarize publicly available issuer statements; readers should consult the original news releases and associated technical disclosures for full context.