Software-driven mining startup Mariana Minerals closes $310 million Series B funding round, led by Khosla Ventures
According to Fortune, software-driven mining startup Mariana Minerals has completed a $310 million Series B funding round, led by Khosla Ventures, with participation from Andreessen Horowitz (a16z), Breakthrough Energy Ventures, Greenoaks, BHP Ventures, Mitsubishi Corporation, and other institutions. This brings the company's total funding to $400 million, with a valuation of $1.5 billion. Mariana was co-founded in 2024 by Turner Caldwell, a former member of Tesla's factory design and construction team. Headquartered in San Francisco, the company is dedicated to reshaping the traditional mining industry with software technology. The company currently operates two mines: Copper One in Utah (a copper mine targeting an annual production of 50,000 tons of refined copper) and Lithium One in Texas (a lithium mine expected to enter commercial production in 2027).
