November 5, 2025

Rio Tinto surprises with the acquisition of Arcadium Lithium for USD 6.7 billion: What does it mean for Argentina?

Rio Tinto, the Anglo-Australian mining company, has acquired Arcadium Lithium for a multimillion-dollar amount, securing its leadership in the sector. What implications does this operation have for Argentina and how will it affect the future of the mining industry? Keep reading to discover all the details about this significant move.

## A Strategic Move in the Lithium Market

Last Wednesday, Rio Tinto announced the purchase of Arcadium Lithium for USD 6.7 billion. This acquisition positions the mining company at the forefront of the global supply of lithium, a crucial mineral for the energy transition. Jakob Stausholm, CEO of Rio Tinto, emphasized that this operation will strengthen the company’s ability to meet the growing demand for electric batteries and clean technologies.

Arcadium Lithium operates in key regions of Argentina, including Jujuy and Catamarca, where some of the most promising lithium extraction projects are located. The acquisition also signifies an expansion of Rio Tinto’s influence, with new assets in countries like Australia, Canada, and the United States.

## Key Projects in Argentina

Argentina ranks as the fourth country with the largest reserves of lithium carbonate globally, and with the acquisition of Arcadium, Rio Tinto ensures its participation in this strategic market. The Anglo-Australian company had already started working on the construction of a plant in the province of Salta, as part of the Rincón project, with an investment of USD 2 billion. This plant, expected to have a capacity of 50,000 tons, will establish Rio Tinto as one of the largest lithium producers in the country.

Moreover, Arcadium operates two other important lithium production projects: Olaroz in Jujuy and Fénix in Catamarca, which represent a significant portion of Argentina’s production capacity. These projects have been instrumental in the growth of the lithium industry in Argentina, which has tripled its production in recent years.

### Global and Local Impact

The acquisition of Arcadium Lithium not only consolidates Rio Tinto’s position in the Argentine market but also allows the company to expand its presence in the global lithium supply chain. It is estimated that by 2030, Rio Tinto could control around 10% of the global lithium chemical products market, giving it a competitive advantage in a sector where demand is rapidly increasing.

At a local level, the operation could also boost Argentine lithium exports, which accounted for 15% of the country’s mining exports in 2023. With a dozen new projects planned for the coming years, the outlook for the Argentine mining industry is more than optimistic.

### The Future of Lithium in Argentina

The acquisition of Arcadium Lithium reinforces Argentina’s role as a key player in the global energy transition. Rio Tinto, with its projects in Jujuy, Catamarca, and Salta, is positioned to lead the growth of the lithium industry in the country. The expansion of production will be essential to meet the increasing demand for batteries, while foreign investment promises to drive the economic development of the northwestern provinces of Argentina.

In conclusion, Rio Tinto’s acquisition of Arcadium marks a milestone for the mining industry in Argentina and positions the country strategically in global lithium production.

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