Mariana Minerals
Volta MemberVFSan Francisco, California, United States
About
Mariana Minerals is a software-first, vertically integrated minerals company that develops and operates mining and refining projects for minerals used in energy, AI and defense technologies.
It builds its own software to run those projects.
Its first project, Mariana Lithium One in Texas, produces lithium from oil and gas produced water, and the company calls it the first GWh-scale facility of its kind. Copper One is an idled Utah copper mine and refinery the company is restarting with autonomy at its core. Mariana is headquartered in San Francisco, with an engineering office in Houston. In August 2026 it announced a Series B round led by Khosla Ventures.
From the Battery Report
Battery Report 2025 · chapterSupply Chain: Upstream and MidstreamVolta Foundation's annual report on this part of the battery industry.Supply Chain Segments
Location Info
- HQ
- San Francisco, California, United States
North America (3)
- R&D
- Houston, Texas, United States
- Manufacturing
- Joaquin, Texas, United States
- Manufacturing
- Moab, Utah, United States
Quick Facts
- Last Updated
- Oct 14, 2026
