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While It Goes Unnoticed by Millions of Brazilians, a City in Pará Houses the World’s Largest Open-Pit Iron Mine, Operated by Vale and Essential for the International Market

Written by Caio Aviz
Published on 03/02/2026 at 15:23
Updated on 03/02/2026 at 15:25
Mina de Carajás no Pará, maior mina de ferro a céu aberto do mundo, cercada pela Floresta Amazônica e com operações de extração mineral em grande escala.
Vista aérea da Mina de Carajás, no sudeste do Pará, considerada a maior mina de ferro a céu aberto do planeta e operada pela Vale.
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Understand Where It Is, How It Originated, and Why the Carajás Mine Supports the Brazilian Mineral Economy and Supplies Major Global Powers

One of the most relevant structures in global mining operates far from Brazil’s major urban centers.
Still, its economic, logistical, and industrial impact extends well beyond national borders.

Credit: Shutterstock

Located in southeastern Pará, the Carajás Mine is recognized as the largest open-pit iron mine on the planet.
Moreover, the complex is operated by Vale S/A, within the Carajás National Forest.

According to institutional data released by the company over the past decades, the mine holds estimated reserves of about 18 billion tons of iron ore.
Additionally, the extracted material has a purity level that can reach 67%, one of the highest in the global market.

For this reason, Carajás occupies a central position in the Brazilian mineral industry.
Consequently, the complex supports strategic production chains linked to international steelmaking.

Accidental Discovery Led to One of the World’s Largest Mineral Projects

The story of Carajás began in 1967, at the end of the 1960s.
During that period, geologists from US Steel unexpectedly identified extensive deposits rich in iron during geological studies in the Amazon region.

Since then, the find has been regarded as one of the largest mineral discoveries of the 20th century.
With the advancement of investments, the area evolved from being an isolated mine to a globally integrated mineral complex.

In addition to iron, the region hosts deposits of manganese, copper, gold, bauxite, and nickel.
Thus, Carajás has solidified its position as one of the most diversified mineral hubs on the planet.

Integrated Logistics Ensures Scale and Global Competitiveness

To sustain large-scale operations, Vale has structured a robust and interconnected logistics system.
Currently, the complex encompasses production fronts such as North Serra, South Serra (S11D), and East Serra.

The production is transported by the Carajás Railway, which extends 892 kilometers.
This railway connects the mine directly to the Ponta da Madeira Port in Maranhão.

Thus, the ore continuously reaches the international market.
The main destinations are China, Japan, and South Korea, countries with strong demand for high-quality ore.

Sustainability Becomes Part of the Operational Model

Since the 2010s, Vale has intensified the adoption of practices with lower environmental impact.
This movement gained momentum with the S11D project, which began operations in 2016.

Among the main initiatives are dry extraction, which significantly reduces water usage.
Additionally, the operation incorporated autonomous trucks, increasing efficiency and safety.

According to Vale’s institutional information, environmental management is treated as a permanent priority.
The goal is to balance mineral production and the preservation of the Amazonian biodiversity.

Economic Importance and Brazil’s Strategic Role

Thanks to the scale, quality of the ore, and integrated logistics, Carajás remains one of the largest mining enterprises in the world.
At the same time, the complex reinforces Brazil as one of the leading global suppliers of iron ore.

This prominence supports strategic industrial chains and enhances Brazil’s relevance in international trade.
Nonetheless, the project highlights the ongoing challenge of balancing economic development and environmental responsibility.

Given this scenario, do you believe that the future of mining in Carajás should prioritize even more productive expansion or the advancement of increasingly sustainable models?

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Caio Aviz

Escrevo sobre o mercado offshore, petróleo e gás, vagas de emprego, energias renováveis, mineração, economia, inovação e curiosidades, tecnologia, geopolítica, governo, entre outros temas. Buscando sempre atualizações diárias e assuntos relevantes, exponho um conteúdo rico, considerável e significativo. Para sugestões de pauta e feedbacks, faça contato no e-mail: avizzcaio12@gmail.com.

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