SUPERIOR, Ariz., Aug. 1, 2025 /PRNewswire/ -- Resolution Copper has been awarded the 2025 Safety Award for Small Underground Mine by the Rocky Mountain Mining Institute (RMMI), recognizing the ...

The MarketWatch News Department was not involved in the creation of this content. SUPERIOR, Ariz., Nov. 5, 2025 /PRNewswire/ -- Resolution Copper has reached a major milestone with the completion of ...

U.S. Sens. Jon Kyl and John McCain have introduced legislation for the third year in a row that would allow a new copper mine to be developed over a huge mineral deposit outside Superior. The mine ...

Multi-year agreement comes at a critical time when there is a record demand for food in the Copper Triangle, among Tribal Communities, and in the East Valley SUPERIOR, Ariz., Feb. 6, 2026 /PRNewswire/ ...

Apache girls have entered womanhood at Oak Flat for generations, celebrating at a site where they believe the mountain spirits reside. As Lozen Brown-Lopez prepared for her Sunrise Dance, she worried ...

TUCSON, Ariz.— A new public opinion poll released today by the Center for Biological Diversity shows that 67% of likely Arizona voters oppose the proposed Resolution Copper mine, which would destroy ...

SUPERIOR, Ariz., Nov. 5, 2025 /PRNewswire/ -- Resolution Copper has reached a major milestone with the completion of its multi-year, $200 million rehabilitation and deepening of the historic No. 9 ...