Nestled deep in Para in northern Brazil, the Carajas Mine is the world’s largest open-pit iron ore mine.
Located within the Carajas National Forest, the vast mining complex is a major supplier to the global steel industry, producing millions of tonnes of high-grade iron ore each year, much of it destined for markets such as China.
The Carajas mineral province was discovered in the late 1960s, and mining operations began in the early 1980s under Brazil’s military government as part of the ambitious Grand Carajás Project.
Today, the complex is operated by Brazilian mining giant Vale and has expanded to incorporate advanced technologies, including automated systems and AI-driven logistics.
The mineral-rich region is estimated to contain about 7.2 billion metric tonnes of iron ore, along with significant deposits of copper, manganese, nickel and gold.
Its resources have made Carajas a vital part of Brazil’s mining industry and an important source of raw materials for global manufacturing.
But the mine’s enormous economic importance comes with significant environmental and social costs.
Mining pits, heavy machinery, railways and processing infrastructure have transformed large areas of the Amazon, affecting biodiversity, habitats and local ecosystems.
Indigenous communities and other local residents have also faced disputes over land, environmental pollution and changes to traditional ways of life.
The 890-kilometer Carajas Railway, which connects the mining region to Atlantic ports, has further reshaped communities across Para and Maranhao, linking the remote mining complex to global commodity markets.
