Mariana Minerals Raises $310 Million as Utah Becomes Proving Ground for Autonomous Mining
EXECUTIVE SUMMARY
✅ Mariana Minerals just raised $310 million in Series B financing, pushing the company’s valuation to roughly $1.5 billion.
✅ CEO Turner Caldwell says all mining machinery is AI-powered and autonomous at Copper One, Mariana’s recently purchased and reopened copper mine / refinery in southeastern Utah, with