# Revolutionizing Mining for AI: Mariana Minerals' Software Approach

Khosla and a16z bet on software-driven mining to meet the metal demands of the AI era.

- **Source:** [Fortune](https://fortune.com)
- **Published:** 2026-08-03
- **Topic:** [Business](https://brifing.si/c/business)
- **Original article:** <https://fortune.com/2026/08/03/power-ai-khosla-a16z-bet-startup-reinvent-mining-mariana-minerals/>
- **On Brifing:** https://brifing.si/s/c360fb48-829d-4c6e-9d8a-1edd60164178

## The Rising Economy of Metals

Mariana Minerals CEO Turner Caldwell argues that the modern economy will be driven by metals rather than oil and gas. The company focuses on lithium and copper, as well as aluminum, magnesium, nickel, and rare earth elements critical for the electric economy. Their software infrastructure is designed to enable efficient extraction of all these metals, with a modular approach adaptable to various mineral types.

## The Critical Minerals Chokepoint

China controls 90% of global mining and 92% of rare earth processing, creating a supply chain monopoly. Decades of industrial decline have left the US vulnerable in this strategic sector. Mariana aims to break this dependency through autonomous software solutions that reactivate domestic resources, offering a technological edge in mineral extraction efficiency.

## $310 Million Series B Funding

Mariana Minerals secured $310 million in Series B funding led by Khosla Ventures, reaching a $1.5 billion valuation. Strategic investors including Andreessen Horowitz, Breakthrough Energy Ventures, and Mitsubishi participated in the round. With $400 million total funding, the company has revived the Copper One mine in Utah and Lithium One in Texas using its proprietary autonomous systems.

## Autonomous Mining Breakthrough

Mariana's autonomous software brought the Copper One mine back to production in just four months—a process that traditionally takes years. The site aims to produce 50,000 metric tons of refined copper annually. Their Lithium One facility, breaking ground in 2025, is scheduled for commercial production by 2027, showcasing how software can dramatically accelerate mining timelines.

## AI's Physical Infrastructure Needs

Uber founder Travis Kalanick emphasizes that the AI revolution physically depends on massive mineral extraction. Data centers, chips, power grids, and defense systems all require copper and critical minerals as foundational components. Kalanick states that leadership in the AI century is impossible without securing domestic supply chains for these essential materials.

## Copper Crisis and Electrification

Volatile copper prices threaten America's industrial future as AI infrastructure strains the outdated power grid. Mariana's CEO Caldwell warns that rising copper costs could slow global economic modernization. The company's efficient extraction methods aim to stabilize input prices for downstream industries dependent on these materials.

## Disrupting Traditional Mining

Mariana competes with giants like BHP Group by leveraging software to redefine mining efficiency. The startup believes the AI-driven surge in metal demand makes tech-enabled mining essential. Their approach combines Tesla-inspired industrial automation with mineral-specific algorithms, challenging century-old extraction methodologies.

## Pivotal Moment for Global Supply Chains

Mariana's innovation could reshape not just mining but multiple industries dependent on critical minerals. From AI to renewables and defense, access to these materials will define technological leadership. The company's success may determine whether the US can reduce its mineral reliance on China—a strategic imperative with far-reaching economic and geopolitical implications.

## Sources covering this story

- https://fortune.com/2026/08/03/power-ai-khosla-a16z-bet-startup-reinvent-mining-mariana-minerals/ — 

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_Summary written by Brifing from the original reporting. Copyright in the original article belongs to its publisher; read the full piece at the link above._
