Mariana Minerals Raises $310M Series B for Autonomous Mineral Production

oyhsu · x · 2026-08-03

Mariana Minerals announced a $310 million Series B financing led by Khosla Ventures, with participation from a16z, Breakthrough Energy Ventures, and others. The company focuses on autonomous mineral production, operating two sites in the US with more projects in the pipeline.

Related event: AI Mining Firm Mariana Minerals Raises $310M in Series B(2 posts)→

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