Utah copper mine

A startup backed by venture capital firm Andreessen Horowitz is preparing to revive an idled copper mine in Utah as part of efforts to modernize mining operations in the United States. Mariana Minerals has acquired the dormant Centennial…

Global mining giant Rio Tinto has suspended operations at its Kennecott copper mine in Utah following the death of a contract worker in a workplace incident, prompting an investigation into the circumstances surrounding the accident. The…